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Lumateperone: Drug information

Lumateperone: Drug information
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For additional information see "Lumateperone: Patient drug information"

For abbreviations, symbols, and age group definitions show table
ALERT: US Boxed Warning
Increased mortality in elderly patients with dementia-related psychosis:

Elderly patients with dementia-related psychosis treated with antipsychotic drugs are at an increased risk of death. Lumateperone is not approved for the treatment of patients with dementia-related psychosis.

Suicidal thoughts and behaviors:

Antidepressants increased the risk of suicidal thoughts and behaviors in pediatric and young adults in short-term studies. Closely monitor all antidepressant-treated patients for clinical worsening, and for emergence of suicidal thoughts and behaviors. The safety and effectiveness of lumateperone have not been established in pediatric patients.

Brand Names: US
  • Caplyta
Pharmacologic Category
  • Second Generation (Atypical) Antipsychotic
Dosing: Adult

Dosage guidance:

Safety: Antipsychotics are not indicated for use in catatonia and may worsen psychosis and increase risk for neuroleptic malignant syndrome in patients with catatonia (Ref).

Clinical considerations: Consult a psychiatry specialist for all management decisions; select antipsychotic carefully based on patient preference, clinical characteristics, history, comorbidities, and adverse effect profile (Ref).

Bipolar disorder

Bipolar disorder: Bipolar major depression (monotherapy or adjunctive therapy): Oral: 42 mg once daily.

Schizophrenia

Schizophrenia:

Note: Lumateperone is only available as a 42 mg dose, and therefore may not be appropriate for a first episode of psychosis, in which setting a lower antipsychotic dose may be effective and better tolerated.

Oral: 42 mg once daily.

Discontinuation of therapy: In the treatment of chronic psychiatric disease, switching therapy rather than discontinuation is generally advised if side effects are intolerable or treatment is not effective. If patient insists on stopping treatment, gradual dose reduction (ie, over several weeks to months) is advised to detect a re-emergence of symptoms and to avoid withdrawal reactions (eg, agitation, alternating feelings of warmth and chill, anxiety, diaphoresis, dyskinesias, GI symptoms, insomnia, irritability, myalgia, paresthesia, psychosis, restlessness, rhinorrhea, tremor, vertigo) unless discontinuation is due to significant adverse effects. Monitor closely to allow for detection of prodromal symptoms of disease recurrence (Ref).

Switching antipsychotics: An optimal universal strategy for switching antipsychotic agents has not been established. Strategies include cross-titration (gradually discontinuing the first antipsychotic while gradually increasing the new antipsychotic) and abrupt change (abruptly discontinuing the first antipsychotic and either increasing the new antipsychotic gradually or starting it at a treatment dose). In patients with schizophrenia at high risk of relapse, the current medication may be maintained at full dose as the new medication is increased (ie, overlap); once the new medication is at therapeutic dose, the first medication is gradually decreased and discontinued over 1 to 2 weeks (Ref).

Dosage adjustment for concomitant therapy: Significant drug interactions exist, requiring dose/frequency adjustment or avoidance. Consult drug interactions database for more information.

Dosing: Kidney Impairment: Adult

There are no dosage adjustments provided in the manufacturer's labeling.

Dosing: Liver Impairment: Adult

Mild impairment (Child-Pugh class A): No dosage adjustment necessary.

Moderate to severe impairment (Child-Pugh class B and C): Reduce dose to 21 mg once daily.

Dosing: Older Adult

Note: Avoid for behavioral problems associated with dementia or delirium unless alternative nonpharmacologic therapies have failed and patient may harm self or others. If used, consider deprescribing attempts to assess continued need and/or lowest effective dose. Of note: use in certain indications may be appropriate (eg, schizophrenia, bipolar disorder) (Ref). Consult a psychiatry specialist for all management decisions (Ref).

All indications: Refer to adult dosing.

Adverse Reactions (Significant): Considerations
Dyslipidemia

Antipsychotics are associated with dyslipidemia, which is a component of the metabolic syndrome observed with this pharmacologic class (Ref). Increased LDL cholesterol, increased serum cholesterol, and increased serum triglycerides have been reported with lumateperone.

Mechanism: The mechanism is not entirely understood and is likely multifactorial (Ref).

Onset: Varied; metabolic alterations from antipsychotics can develop in as short as 3 months after the initiation (Ref).

Risk factors:

• Schizophrenia (regardless of medication use) is associated with a higher rate of morbidity/mortality compared to the general population, primarily due to cardiovascular disease (Ref).

• Specific antipsychotic: Overall, metabolic disturbances appear to be the greatest with clozapine and olanzapine (Ref); further data will help elucidate risk associated with lumateperone.

Extrapyramidal symptoms

Lumateperone may cause extrapyramidal reaction (extrapyramidal symptoms [EPS]), also known as drug-induced movement disorders. Antipsychotics can cause 4 main EPS: Acute dystonia, akathisia, drug-induced parkinsonism, and tardive dyskinesia (Ref). EPS presenting as dysphagia, esophageal dysmotility, or aspiration have also been reported with antipsychotics, which may not be recognized as EPS (Ref).

Mechanism: EPS: Dose-related; due to antagonism of dopaminergic D2 receptors in nigrostriatal pathways. Akathisia: Mechanism not completely understood, but possibly associated with the low activity of dopaminergic projections from the midbrain to the ventral striatum and imbalance between the dopamine and serotonin neurotransmitter system (Ref). Tardive dyskinesia: Time-related (delayed); results from chronic exposure to dopamine 2 receptor antagonists leading to up-regulation of these receptors over time (Ref). Of note, lumateperone is a novel second-generation antipsychotic that modulates serotonin, dopamine, and glutamate neurotransmission. It has a 60-fold higher affinity for 5HT2A receptors compared to D2 receptors. High D2 receptor occupancy (60% to 80%) is associated with increased risk of EPS; lumateperone (42 mg/day) is associated with a low D2 receptor occupancy (40%). In addition, lumateperone has lower affinity for nigrostriatal dopamine pathways compared to mesocortical and mesolimbic circuits (Ref).

Onset:

For antipsychotics in general:

Acute dystonia: Rapid; in the majority of cases, dystonia usually occurs within the first 5 days after initiating antipsychotic therapy (and even with the first dose, particularly in patients receiving parenteral antipsychotics) or a dosage increase (Ref).

Drug-induced parkinsonism: Varied; onset may be delayed from days to weeks, with 50% to 75% of cases occurring within 1 month and 90% within 3 months of antipsychotic initiation, a dosage increase, or a change in the medication regimen (such as adding another antipsychotic agent or discontinuing an anticholinergic medication) (Ref).

Akathisia: Varied; may begin within several days after antipsychotic initiation but usually increases with treatment duration, occurring within 1 month in up to 50% of cases, and within 3 months in 90% of cases (Ref).

Tardive dyskinesia: Delayed; symptoms usually appear after 1 to 2 years of continuous exposure to a dopamine 2 receptor antagonist, and almost never before 3 months, with an insidious onset, evolving into a full syndrome over days and weeks, followed by symptom stabilization, and then a chronic waxing and waning of symptoms (Ref).

Esophageal dysfunction (associated with EPS): Varied; ranges from weeks to months following initiation (Ref).

Risk factors:

EPS (in general):

• Prior history of EPS (Ref)

• Higher doses (Ref)

• Younger age (in general, children and adolescents are usually at higher risk for EPS compared to adults) (Ref)

• Specific antipsychotic and generation: Lumateperone, a novel second-generation antipsychotic, has been associated with a low incidence of EPS-related adverse events in post-hoc analysis of available preliminary data (Ref).

Acute dystonia:

• Males (Ref)

• Young age (Ref)

Drug-induced parkinsonism:

• Females (Ref)

• Older patients (Ref)

Akathisia:

• Higher antipsychotic dosages (Ref)

• Polypharmacy (Ref)

• Mood disorders (Ref)

• Females (Ref)

• Older patients (Ref)

Tardive dyskinesia:

• Increasing age (Ref)

• Females (Ref)

• Comorbidities such as diabetes mellitus, intellectual disability, brain damage, smoking, alcohol and/or substance use disorders, mood disorders (Ref)

• High antidopaminergic drug dose or plasma level (Ref)

• Race (White or African descent) (Ref)

• Longer illness duration (Ref)

• Higher cumulative doses (Ref)

• Higher ratings of negative symptoms and thought disorder (Ref)

Esophageal dysfunction (associated with EPS):

• Certain comorbidities such as neurologic degenerative disease, dementia, stroke, Parkinson disease, or myasthenia gravis (Ref)

• Older adults >75 years of age (may be risk factor due to age-related muscle atrophy, cognitive impairment, reduced esophageal peristalsis) (Ref)

Hematologic abnormalities

Leukopenia and neutropenia have been reported with lumateperone. Agranulocytosis has also been reported with other antipsychotics.

Onset: Varied; in general, drug-induced neutropenia usually manifests after 1 or 2 weeks of exposure and agranulocytosis usually appears 3 to 4 weeks following initiation of therapy; however, the onset may be insidious (Ref).

Risk factors:

• History of drug-induced leukopenia/neutropenia or preexisting low white blood cell count/absolute neutrophil count

• Older adults (Ref)

Hyperglycemia

Antipsychotics are associated with hyperglycemia, to varying degrees, which is a component of the metabolic syndrome observed with this pharmacologic class. Glycemic abnormalities range from mild insulin resistance to new-onset diabetes mellitus and diabetic ketoacidosis, including fatal cases (Ref).

Mechanism: The mechanism is not entirely understood and is likely multifactorial (Ref).

Onset: Varied; new-onset diabetes has been observed within the first 3 months to a median onset of 3.9 years of atypical antipsychotic use (lumateperone was not included) (Ref).

Risk factors:

Antipsychotics in general:

• African American race (Ref)

• Males (Ref)

• Age <35 years (Ref)

• Preexisting obesity, poor exercise habits, or other risk factors for diabetes, including family history of diabetes (Ref)

• Exposure to other agents that also increase the risk of hyperglycemia (Ref)

• Specific antipsychotic: Metabolic disturbances appear to be the greatest with clozapine and olanzapine (Ref); further data will help elucidate risk associated with lumateperone.

Mortality in older adults

Older adults with dementia-related psychosis treated with antipsychotics are at an increased risk of death compared to placebo. Although the causes of death were varied, most of the deaths appeared to be either cardiovascular (eg, heart failure, sudden death) or infectious (eg, pneumonia) in nature (Ref). In addition, an increased incidence of cerebrovascular effects (eg, cerebrovascular accident, transient ischemic attacks), including fatalities, have been reported in placebo-controlled trials in older adults with dementia-related psychosis (Ref). Of note, lumateperone is not approved for the treatment of dementia-related psychosis.

Mechanism: Unknown; possible mechanisms include arrhythmia, cardiac arrest, and extrapyramidal effects that may increase the risk of falls, aspirations, and pneumonia (Ref).

Risk factors:

• Higher antipsychotic dosage (Ref)

• Dementia-related psychosis (eg, Lewy body dementia, Parkinson disease dementia)

• Older adults

Neuroleptic malignant syndrome

All antipsychotics have been associated with neuroleptic malignant syndrome (NMS), although the incidence is less with second-generation (atypical) antipsychotics compared to first-generation (typical) antipsychotics (Ref).

Mechanism: Non-dose-related; idiosyncratic. Believed to be due to a reduction in CNS dopaminergic tone, along with the dysregulation of autonomic nervous system activity (Ref).

Onset: Varied; in general, most patients develop NMS within 2 weeks of initiating an antipsychotic, and in some patients, prodromal symptoms emerge within hours of initiation; once the syndrome starts, the full syndrome usually develops in 3 to 5 days (Ref). However, there are many cases of NMS occurring months after stable antipsychotic therapy (Ref).

Risk factors:

Antipsychotic in general:

• Males (twice as likely to develop NMS compared to females) (Ref)

• Dehydration (Ref)

• High-dose antipsychotic treatment (Ref)

• Concomitant lithium or benzodiazepine (potential risk factors) (Ref)

• Catatonia (Ref)

• Polypharmacy (Ref)

• Pharmacokinetic interactions (Ref)

• IM administration (Ref)

• Rapid dosage escalation (Ref)

• Psychomotor agitation (Ref)

Sedation

Sedated state (drowsiness) is common with use; may cause nonadherence and impair physical and mental abilities, resulting in subsequent falling, particularly in older adults (Ref).

Temperature dysregulation

Antipsychotics may impair the body's ability to regulate core body temperature, which may cause a potentially life-threatening heatstroke during predisposing conditions such as a heat wave or strenuous exercise. Antipsychotics have also been associated with potentially life-threatening hypothermia (Ref).

Mechanism: Non-dose-related; idiosyncratic. Exact mechanism is unknown; however, body temperature is regulated by the hypothalamus with involvement of the dopamine, serotonin, and norepinephrine neurotransmitters. D2 antagonism may cause an increase in body temperature, while 5-HT2A (serotonin) receptor antagonism may cause a decrease in body temperature (Ref).

Onset: Hypothermia: Varied; antipsychotic-induced hypothermia cases indicate a typical onset in the period shortly after initiation of therapy (first 7 days) (Ref).

Risk factors:

Heat stroke:

• Psychiatric illness (regardless of medication) (Ref)

• Strenuous exercise (Ref)

• Heat exposure (Ref)

• Dehydration (Ref)

• Concomitant medication possessing anticholinergic effects (Ref)

Hypothermia:

• In general, predisposing risk factors include: Older adults, cerebrovascular accident, preexisting brain damage, hypothyroidism, malnutrition, shock, sepsis, adrenal insufficiency, diabetes, disability, burns, exfoliative dermatitis, benzodiazepine use, alcohol intoxication, kidney or liver failure (Ref)

• Schizophrenia (regardless of antipsychotic use) (Ref)

Adverse Reactions

The following adverse drug reactions and incidences are derived from product labeling unless otherwise specified. Adverse reactions reported in adults.

>10%: Nervous system: Drowsiness (≤24%) (table 1), headache (14%), sedated state (≤24%) (table 2)

Lumateperone: Adverse Reaction: Drowsiness

Drug (Lumateperone)

Placebo

Dose

Indication

Number of Patients (Lumateperone)

Number of Patients (Placebo)

Comments

≤13%

≤3%

42 mg/day

Bipolar disorder, depressive episode

372

374

Combined incidence, drowsiness and sedated state

≤24%

≤10%

42 mg/day

Schizophrenia

406

412

Combined incidence, drowsiness and sedated state

Lumateperone: Adverse Reaction: Sedated State

Drug (Lumateperone)

Placebo

Dose

Indication

Number of Patients (Lumateperone)

Number of Patients (Placebo)

Comments

≤13%

≤3%

42 mg/day

Bipolar disorder, depressive episode

372

374

Combined incidence, drowsiness and sedated state

≤24%

≤10%

42 mg/day

Schizophrenia

406

412

Combined incidence, drowsiness and sedated state

1% to 10%:

Gastrointestinal: Abdominal pain (2%), decreased appetite (2%), diarrhea (4%), nausea (8% to 9%), vomiting (3% to 4%), xerostomia (5% to 6%)

Hepatic: Increased serum transaminases (2%)

Nervous system: Dizziness (5% to 8%), extrapyramidal reaction (1% to 7%) (table 3), fatigue (3%)

Lumateperone: Adverse Reaction: Extrapyramidal Reaction

Drug (Lumateperone)

Placebo

Indication

Number of Patients (Lumateperone)

Number of Patients (Placebo)

1%

1%

Bipolar disorder, depressive episode

N/A

N/A

7%

6%

Schizophrenia

N/A

N/A

Neuromuscular & skeletal: Increased creatine phosphokinase in blood specimen (4%)

Respiratory: Upper respiratory tract infection (2%)

<1%: Cardiovascular: Orthostatic hypotension

Frequency not defined:

Endocrine & metabolic: Elevated glycosylated hemoglobin, hyperglycemia, increased LDL cholesterol, increased serum cholesterol, increased serum triglyceride

Hematologic & oncologic: Leukopenia, neutropenia

Nervous system: Suicidal ideation, suicidal tendencies

Neuromuscular & skeletal: Dystonia

Postmarketing: Nervous system: Burning sensation (including burning sensation of skin)

Contraindications

Hypersensitivity (eg, pruritus, rash, urticaria) to lumateperone or any component of the formulation.

Warnings/Precautions

Concerns related to adverse effects:

• Anticholinergic effects: May cause anticholinergic effects (confusion, agitation, constipation, xerostomia, blurred vision, urinary retention); use with caution in patients with decreased GI motility, urinary retention, benign prostatic hyperplasia, xerostomia, or visual problems.

• Falls: May increase the risk for falls due to somnolence, orthostatic hypotension, and motor or sensory instability.

Disease-related concerns:

• Seizures: Use with caution in patients at risk of seizures or with conditions that lower the seizure threshold. Elderly patients may be at increased risk of seizures due to an increased prevalence of predisposing factors.

Other warnings/precautions:

• Discontinuation of therapy: When discontinuing antipsychotic therapy, gradually taper antipsychotics to avoid physical withdrawal symptoms and rebound symptoms (APA [Keepers 2020]; WFSBP [Hasan 2012]). Withdrawal symptoms may include agitation, alternating feelings of warmth and cold, anxiety, diaphoresis, dyskinesia, GI symptoms, insomnia, irritability, myalgia, paresthesia, psychosis, restlessness, rhinorrhea, tremor, and vertigo (Lambert 2007; Moncrieff 2020). The risk of withdrawal symptoms is highest following abrupt discontinuation of highly anticholinergic or dopaminergic antipsychotics (Cerovecki 2013). Patients with chronic symptoms, repeated relapses, and clear diagnostic features of schizophrenia are at risk for poor outcomes if medications are discontinued (APA [Keepers 2020]).

Dosage Forms: US

Excipient information presented when available (limited, particularly for generics); consult specific product labeling.

Capsule, Oral, as tosylate:

Caplyta: 10.5 mg, 21 mg

Caplyta: 42 mg [contains fd&c blue #1 (brilliant blue)]

Generic Equivalent Available: US

No

Pricing: US

Capsules (Caplyta Oral)

10.5 mg (per each): $68.40

21 mg (per each): $68.40

42 mg (per each): $68.40

Disclaimer: A representative AWP (Average Wholesale Price) price or price range is provided as reference price only. A range is provided when more than one manufacturer's AWP price is available and uses the low and high price reported by the manufacturers to determine the range. The pricing data should be used for benchmarking purposes only, and as such should not be used alone to set or adjudicate any prices for reimbursement or purchasing functions or considered to be an exact price for a single product and/or manufacturer. Medi-Span expressly disclaims all warranties of any kind or nature, whether express or implied, and assumes no liability with respect to accuracy of price or price range data published in its solutions. In no event shall Medi-Span be liable for special, indirect, incidental, or consequential damages arising from use of price or price range data. Pricing data is updated monthly.

Administration: Adult

Oral: Administer with or without food.

Medication Guide and/or Vaccine Information Statement (VIS)

An FDA-approved patient medication guide, which is available with the product information and at https://www.accessdata.fda.gov/drugsatfda_docs/label/2022/209500s009lbl.pdf#page=22, must be dispensed with this medication.

Use: Labeled Indications

Bipolar disorder: As monotherapy or as an adjunct to lithium or valproate for treatment of depressive episodes associated with bipolar disorder I or II in adults.

Schizophrenia: Treatment of schizophrenia in adults.

Medication Safety Issues
Older Adult: High-Risk Medication:

Beers Criteria: Antipsychotics are identified in the Beers Criteria as a potentially inappropriate medication to be avoided in patients 65 years of age and older due to an increased risk of stroke and a greater rate of cognitive decline and mortality in patients with dementia. Evidence also suggests there may be an increased risk of mortality with use independent of dementia. Avoid antipsychotics for behavioral problems associated with dementia or delirium unless alternative nonpharmacologic therapies have failed and patient may harm self or others. In addition, antipsychotics should be used with caution in older adults due to their potential to cause or exacerbate syndrome of inappropriate antidiuretic hormone secretion or hyponatremia; monitor sodium closely with initiation or dosage adjustments in older adults. Use of antipsychotics may be appropriate for labeled indications including schizophrenia, bipolar disorder, Parkinson disease psychosis, adjunctive therapy in major depressive disorder, or for short-term use as an antiemetic (Beers Criteria [AGS 2023]).

Metabolism/Transport Effects

Substrate of CYP1A2 (Minor), CYP2C8 (Minor), CYP3A4 (Major), UGT1A1, UGT1A4, UGT2B15; Note: Assignment of Major/Minor substrate status based on clinically relevant drug interaction potential;

Drug Interactions

Note: Interacting drugs may not be individually listed below if they are part of a group interaction (eg, individual drugs within “CYP3A4 Inducers [Strong]” are NOT listed). For a complete list of drug interactions by individual drug name and detailed management recommendations, use the drug interactions program by clicking on the “Launch drug interactions program” link above.

Acrivastine: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Agents With Seizure Threshold Lowering Potential: May increase adverse/toxic effects of Lumateperone. Specifically, the risk of seizures may be increased. Risk C: Monitor

Alcohol (Ethyl): CNS Depressants may increase CNS depressant effects of Alcohol (Ethyl). Risk C: Monitor

Alizapride: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Amifampridine: Agents With Seizure Threshold Lowering Potential may increase neuroexcitatory and/or seizure-potentiating effects of Amifampridine. Risk C: Monitor

Amisulpride (Oral): Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Amisulpride (Oral). Specifically, the risk of seizures may be increased. Risk C: Monitor

Amisulpride (Oral): May increase adverse/toxic effects of Antipsychotic Agents. Specifically, the risk of neuroleptic malignant syndrome or increased QTc interval may be increased. Risk C: Monitor

Amisulpride (Oral): May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Anti-Parkinson Agents (Dopamine Agonist): Antipsychotic Agents (Second Generation [Atypical]) may decrease therapeutic effects of Anti-Parkinson Agents (Dopamine Agonist). Management: Consider avoiding atypical antipsychotic use in patients with Parkinson disease. If an atypical antipsychotic is necessary, consider using clozapine, quetiapine, or ziprasidone at lower initial doses, or a non-dopamine antagonist (eg, pimavanserin). Risk D: Consider Therapy Modification

Antidiabetic Agents: Hyperglycemia-Associated Agents may decrease therapeutic effects of Antidiabetic Agents. Risk C: Monitor

ARIPiprazole Lauroxil: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of ARIPiprazole Lauroxil. Specifically, the risk of seizures may be increased. Risk C: Monitor

ARIPiprazole: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of ARIPiprazole. Specifically, the risk of seizures may be increased. Risk C: Monitor

Armodafinil: May decrease serum concentration of Lumateperone. Risk C: Monitor

Articaine: May increase CNS depressant effects of CNS Depressants. Management: Consider reducing the dose of articaine if possible when used in patients who are also receiving CNS depressants. Monitor for excessive CNS depressant effects with any combined use. Risk D: Consider Therapy Modification

Asenapine: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Asenapine. Specifically, the risk of seizures may be increased. Risk C: Monitor

Atazanavir: May increase serum concentration of UGT1A1 Substrates. Management: Do not use UGT1A1 substrates for which small increases in exposure can cause serious adverse effects together with atazanavir, and use caution with any UGT1A1 substrate, even when small changes in exposure are less likely to cause serious adverse effects. Risk D: Consider Therapy Modification

Azelastine (Nasal): May increase CNS depressant effects of CNS Depressants. Risk X: Avoid

Belumosudil: May increase serum concentration of UGT1A1 Substrates. Management: Avoid coadministration of belumosudil with substrates of UGT1A1 for which minimal concentration increases can cause serious adverse effects. If coadministration is required, dose reductions of the UGT1A1 substrate may be required. Risk D: Consider Therapy Modification

Benperidol: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Benperidol. Specifically, the risk of seizures may be increased. Risk C: Monitor

Benperidol: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Benzgalantamine-Galantamine: May increase neurotoxic (central) effects of Antipsychotic Agents. Risk C: Monitor

Blonanserin: CNS Depressants may increase CNS depressant effects of Blonanserin. Management: Use caution if coadministering blonanserin and CNS depressants; dose reduction of the other CNS depressant may be required. Strong CNS depressants should not be coadministered with blonanserin. Risk D: Consider Therapy Modification

Blood Pressure Lowering Agents: May increase hypotensive effects of Antipsychotic Agents (Second Generation [Atypical]). Risk C: Monitor

Bornaprine: May increase adverse/toxic effects of Antipsychotic Agents. Specifically, tardive dyskinesia symptoms may be potentiated. Risk C: Monitor

Brexanolone: CNS Depressants may increase CNS depressant effects of Brexanolone. Risk C: Monitor

Brexpiprazole: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Brexpiprazole. Specifically, the risk of seizures may be increased. Risk C: Monitor

Brimonidine (Topical): May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Bromopride: May increase adverse/toxic effects of Antipsychotic Agents. Risk X: Avoid

Bromperidol: May increase CNS depressant effects of CNS Depressants. Risk X: Avoid

Buclizine: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Buprenorphine: CNS Depressants may increase CNS depressant effects of Buprenorphine. Management: Consider reduced doses of other CNS depressants, and avoiding such drugs in patients at high risk of buprenorphine overuse/self-injection. Initiate buprenorphine at lower doses in patients already receiving CNS depressants. Risk D: Consider Therapy Modification

BuPROPion: May increase neuroexcitatory and/or seizure-potentiating effects of Agents With Seizure Threshold Lowering Potential. Risk C: Monitor

BusPIRone: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Cabergoline: May decrease therapeutic effects of Antipsychotic Agents. Risk X: Avoid

Cannabinoid-Containing Products: CNS Depressants may increase CNS depressant effects of Cannabinoid-Containing Products. Risk C: Monitor

Cariprazine: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Cariprazine. Specifically, the risk of seizures may be increased. Risk C: Monitor

Cetirizine (Systemic): May increase CNS depressant effects of CNS Depressants. Management: Consider avoiding this combination if possible. If required, monitor for excessive sedation or CNS depression, limit the dose and duration of combination therapy, and consider CNS depressant dose reductions. Risk D: Consider Therapy Modification

Chloral Hydrate/Chloral Betaine: CNS Depressants may increase CNS depressant effects of Chloral Hydrate/Chloral Betaine. Management: Consider alternatives to the use of chloral hydrate or chloral betaine and additional CNS depressants. If combined, consider a dose reduction of either agent and monitor closely for enhanced CNS depressive effects. Risk D: Consider Therapy Modification

Chlormethiazole: May increase CNS depressant effects of CNS Depressants. Management: Monitor closely for evidence of excessive CNS depression. The chlormethiazole labeling states that an appropriately reduced dose should be used if such a combination must be used. Risk D: Consider Therapy Modification

Chlorphenesin Carbamate: May increase adverse/toxic effects of CNS Depressants. Risk C: Monitor

ChlorproMAZINE: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of ChlorproMAZINE. Specifically, the risk of seizures may be increased. Risk C: Monitor

Ciprofloxacin (Systemic): May increase serum concentration of Lumateperone. Risk C: Monitor

Clofazimine: May increase serum concentration of CYP3A4 Substrates (High risk with Inhibitors). Risk C: Monitor

Clothiapine: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Clothiapine. Specifically, the risk of seizures may be increased. Risk C: Monitor

CloZAPine: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of CloZAPine. Specifically, the risk of seizures may be increased. Risk C: Monitor

CNS Depressants: May increase adverse/toxic effects of CNS Depressants. Risk C: Monitor

CycloSPORINE (Systemic): May increase serum concentration of Lumateperone. Risk C: Monitor

CYP3A4 Inducers (Moderate): May decrease serum concentration of Lumateperone. Risk X: Avoid

CYP3A4 Inducers (Strong): May decrease serum concentration of Lumateperone. Risk X: Avoid

CYP3A4 Inhibitors (Moderate): May increase serum concentration of Lumateperone. Management: Limit the lumateperone dose to 21 mg once daily when used with a moderate CYP3A4 inhibitor. Risk D: Consider Therapy Modification

CYP3A4 Inhibitors (Strong): May increase serum concentration of Lumateperone. Management: Limit the lumateperone dose to 10.5 mg once daily when used with a strong CYP3A4 inhibitor. Risk D: Consider Therapy Modification

Dantrolene: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Daridorexant: May increase CNS depressant effects of CNS Depressants. Management: Dose reduction of daridorexant and/or any other CNS depressant may be necessary. Use of daridorexant with alcohol is not recommended, and the use of daridorexant with any other drug to treat insomnia is not recommended. Risk D: Consider Therapy Modification

Deutetrabenazine: May increase adverse/toxic effects of Antipsychotic Agents. Specifically, the risk for akathisia, parkinsonism, or neuroleptic malignant syndrome may be increased. Risk C: Monitor

DexmedeTOMIDine: CNS Depressants may increase CNS depressant effects of DexmedeTOMIDine. Management: Monitor for increased CNS depression during coadministration of dexmedetomidine and CNS depressants, and consider dose reductions of either agent to avoid excessive CNS depression. Risk D: Consider Therapy Modification

Dexmethylphenidate-Methylphenidate: Antipsychotic Agents may increase adverse/toxic effects of Dexmethylphenidate-Methylphenidate. Dexmethylphenidate-Methylphenidate may increase adverse/toxic effects of Antipsychotic Agents. Specifically, the risk of extrapyramidal symptoms may be increased when these agents are combined. Risk C: Monitor

Difelikefalin: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Difenoxin: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Dihydralazine: CNS Depressants may increase hypotensive effects of Dihydralazine. Risk C: Monitor

Dimethindene (Topical): May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Donepezil: May increase neurotoxic (central) effects of Antipsychotic Agents. Risk C: Monitor

Dothiepin: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Doxylamine: CNS Depressants may increase CNS depressant effects of Doxylamine. Risk C: Monitor

DroPERidol: May increase CNS depressant effects of CNS Depressants. Management: Consider dose reductions of droperidol or of other CNS agents (eg, opioids, barbiturates) with concomitant use. Risk D: Consider Therapy Modification

Emedastine (Systemic): May increase CNS depressant effects of CNS Depressants. Management: Consider avoiding this combination if possible. If required, monitor for excessive sedation or CNS depression, limit the dose and duration of combination therapy, and consider CNS depressant dose reductions. Risk C: Monitor

Entacapone: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Esketamine (Nasal): May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Flunarizine: CNS Depressants may increase CNS depressant effects of Flunarizine. Risk X: Avoid

Flunitrazepam: CNS Depressants may increase CNS depressant effects of Flunitrazepam. Management: Reduce the dose of CNS depressants when combined with flunitrazepam and monitor patients for evidence of CNS depression (eg, sedation, respiratory depression). Use non-CNS depressant alternatives when available. Risk D: Consider Therapy Modification

Flupentixol: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Flupentixol. Specifically, the risk of seizures may be increased. Risk C: Monitor

FluPHENAZine: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of FluPHENAZine. Specifically, the risk of seizures may be increased. Risk C: Monitor

FluvoxaMINE: May increase serum concentration of Lumateperone. Risk C: Monitor

Fusidic Acid (Systemic): May increase serum concentration of CYP3A4 Substrates (High risk with Inhibitors). Management: Consider avoiding this combination if possible. If required, monitor patients closely for increased adverse effects of the CYP3A4 substrate. Risk D: Consider Therapy Modification

Grapefruit Juice: May increase serum concentration of Lumateperone. Management: Advise patients to avoid grapefruit juice consumption during treatment with lumateperone. If patients consume grapefruit juice regularly, limit the lumateperone dose to 21 mg once daily. Risk D: Consider Therapy Modification

Guanethidine: Antipsychotic Agents may decrease therapeutic effects of Guanethidine. Risk C: Monitor

Haloperidol: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Haloperidol. Specifically, the risk of seizures may be increased. Risk C: Monitor

Huperzine A: May increase neurotoxic (central) effects of Antipsychotic Agents. Risk C: Monitor

HydrOXYzine: May increase CNS depressant effects of CNS Depressants. Management: Consider a decrease in the CNS depressant dose, as appropriate, when used together with hydroxyzine. Increase monitoring of signs/symptoms of CNS depression in any patient receiving hydroxyzine together with another CNS depressant. Risk D: Consider Therapy Modification

Iloperidone: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Iloperidone. Specifically, the risk of seizures may be increased. Risk C: Monitor

Iohexol: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Iohexol. Specifically, the risk for seizures may be increased. Management: Discontinue agents that may lower the seizure threshold 48 hours prior to intrathecal use of iohexol. Wait at least 24 hours after the procedure to resume such agents. In nonelective procedures, consider use of prophylactic antiseizure drugs. Risk D: Consider Therapy Modification

Iomeprol: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Iomeprol. Specifically, the risk for seizures may be increased. Management: Discontinue agents that may lower the seizure threshold 48 hours prior to intrathecal use of iomeprol. Wait at least 24 hours after the procedure to resume such agents. In nonelective procedures, consider use of prophylactic antiseizure drugs. Risk D: Consider Therapy Modification

Iopamidol: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Iopamidol. Specifically, the risk for seizures may be increased. Management: Discontinue agents that may lower the seizure threshold 48 hours prior to intrathecal use of iopamidol. Wait at least 24 hours after the procedure to resume such agents. In nonelective procedures, consider use of prophylactic antiseizure drugs. Risk D: Consider Therapy Modification

Ixabepilone: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Kava Kava: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Ketotifen (Systemic): May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Kratom: May increase CNS depressant effects of CNS Depressants. Risk X: Avoid

Lemborexant: May increase CNS depressant effects of CNS Depressants. Management: Dosage adjustments of lemborexant and of concomitant CNS depressants may be necessary when administered together because of potentially additive CNS depressant effects. Close monitoring for CNS depressant effects is necessary. Risk D: Consider Therapy Modification

Levocetirizine: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Lithium: May increase neurotoxic effects of Antipsychotic Agents. Lithium may decrease serum concentration of Antipsychotic Agents. Specifically noted with chlorpromazine. Risk C: Monitor

Lofepramine: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Lofexidine: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Loxapine: CNS Depressants may increase CNS depressant effects of Loxapine. Management: Consider reducing the dose of CNS depressants administered concomitantly with loxapine due to an increased risk of respiratory depression, sedation, hypotension, and syncope. Risk D: Consider Therapy Modification

Lurasidone: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Lurasidone. Specifically, the risk of seizures may be increased. Risk C: Monitor

Magnesium Sulfate: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Melitracen [INT]: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Mequitazine: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Metergoline: Antipsychotic Agents may decrease therapeutic effects of Metergoline. Metergoline may decrease therapeutic effects of Antipsychotic Agents. Risk C: Monitor

Metergoline: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Methotrimeprazine: CNS Depressants may increase CNS depressant effects of Methotrimeprazine. Methotrimeprazine may increase CNS depressant effects of CNS Depressants. Management: Reduce the usual dose of CNS depressants by 50% if starting methotrimeprazine until the dose of methotrimeprazine is stable. Monitor patient closely for evidence of CNS depression. Risk D: Consider Therapy Modification

Methoxyflurane: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Metoclopramide: May increase adverse/toxic effects of Antipsychotic Agents. Risk X: Avoid

MetyroSINE: CNS Depressants may increase sedative effects of MetyroSINE. Risk C: Monitor

MetyroSINE: May increase adverse/toxic effects of Antipsychotic Agents. Specifically, the risk for extrapyramidal symptoms and excessive sedation may be increased. Risk C: Monitor

Minocycline (Systemic): May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Molindone: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Molindone. Specifically, the risk of seizures may be increased. Risk C: Monitor

Moxonidine: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Nabilone: May increase CNS depressant effects of CNS Depressants. Risk X: Avoid

Nalfurafine: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Noscapine: CNS Depressants may increase adverse/toxic effects of Noscapine. Risk X: Avoid

OLANZapine: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of OLANZapine. Specifically, the risk of seizures may be increased. Risk C: Monitor

Olopatadine (Nasal): May increase CNS depressant effects of CNS Depressants. Risk X: Avoid

Opicapone: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Opioid Agonists: CNS Depressants may increase CNS depressant effects of Opioid Agonists. Management: Avoid concomitant use of opioid agonists and benzodiazepines or other CNS depressants when possible. These agents should only be combined if alternative treatment options are inadequate. If combined, limit the dosages and duration of each drug. Risk D: Consider Therapy Modification

Opipramol: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Orphenadrine: CNS Depressants may increase CNS depressant effects of Orphenadrine. Risk X: Avoid

Oxomemazine: May increase CNS depressant effects of CNS Depressants. Risk X: Avoid

Oxybate Salt Products: CNS Depressants may increase CNS depressant effects of Oxybate Salt Products. Management: Consider alternatives to this combination when possible. If combined, dose reduction or discontinuation of one or more CNS depressants (including the oxybate salt product) should be considered. Interrupt oxybate salt treatment during short-term opioid use Risk D: Consider Therapy Modification

OxyCODONE: CNS Depressants may increase CNS depressant effects of OxyCODONE. Management: Avoid concomitant use of oxycodone and benzodiazepines or other CNS depressants when possible. These agents should only be combined if alternative treatment options are inadequate. If combined, limit the dosages and duration of each drug. Risk D: Consider Therapy Modification

Paliperidone: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Paliperidone. Specifically, the risk of seizures may be increased. Risk C: Monitor

Paliperidone: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Paraldehyde: CNS Depressants may increase CNS depressant effects of Paraldehyde. Risk X: Avoid

Perampanel: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Periciazine: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Periciazine. Specifically, the risk of seizures may be increased. Risk C: Monitor

Periciazine: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Perphenazine: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Perphenazine. Specifically, the risk of seizures may be increased. Risk C: Monitor

Pimozide: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Pimozide. Specifically, the risk of seizures may be increased. Risk C: Monitor

Pioglitazone: Lumateperone may decrease therapeutic effects of Pioglitazone. Pioglitazone may decrease serum concentration of Lumateperone. Risk C: Monitor

Pipamperone: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Pipamperone. Specifically, the risk of seizures may be increased. Risk X: Avoid

Piribedil: Antipsychotic Agents may decrease therapeutic effects of Piribedil. Piribedil may decrease therapeutic effects of Antipsychotic Agents. Management: Use of piribedil with antiemetic neuroleptics is contraindicated, and use with antipsychotic neuroleptics, except for clozapine, is not recommended. Risk X: Avoid

Pizotifen: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Polyethylene Glycol-Electrolyte Solution: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Polyethylene Glycol-Electrolyte Solution. Specifically, the risk of seizure may be increased. Risk C: Monitor

Procarbazine: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Prochlorperazine: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Prochlorperazine. Specifically, the risk of seizures may be increased. Risk C: Monitor

Promazine: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Promazine. Specifically, the risk of seizures may be increased. Risk C: Monitor

QUEtiapine: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of QUEtiapine. Specifically, the risk of seizures may be increased. Risk C: Monitor

Quinagolide: Antipsychotic Agents may decrease therapeutic effects of Quinagolide. Risk C: Monitor

Rilmenidine: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

RisperiDONE: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of RisperiDONE. Specifically, the risk of seizures may be increased. Risk C: Monitor

Rivastigmine: May increase neurotoxic (central) effects of Antipsychotic Agents. Risk C: Monitor

Ropeginterferon Alfa-2b: CNS Depressants may increase adverse/toxic effects of Ropeginterferon Alfa-2b. Specifically, the risk of neuropsychiatric adverse effects may be increased. Management: Avoid coadministration of ropeginterferon alfa-2b and other CNS depressants. If this combination cannot be avoided, monitor patients for neuropsychiatric adverse effects (eg, depression, suicidal ideation, aggression, mania). Risk D: Consider Therapy Modification

Serotonergic Agents (High Risk): May increase adverse/toxic effects of Antipsychotic Agents. Specifically, serotonergic agents may enhance dopamine blockade, possibly increasing the risk for neuroleptic malignant syndrome. Antipsychotic Agents may increase serotonergic effects of Serotonergic Agents (High Risk). This could result in serotonin syndrome. Risk C: Monitor

Sertindole: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Sertindole. Specifically, the risk of seizures may be increased. Risk C: Monitor

Sodium Phosphates: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Sodium Phosphates. Specifically, the risk of seizure or loss of consciousness may be increased in patients with significant sodium phosphate-induced fluid or electrolyte abnormalities. Risk C: Monitor

Sulpiride: Antipsychotic Agents may increase adverse/toxic effects of Sulpiride. Risk X: Avoid

Suvorexant: CNS Depressants may increase CNS depressant effects of Suvorexant. Management: Dose reduction of suvorexant and/or any other CNS depressant may be necessary. Use of suvorexant with alcohol is not recommended, and the use of suvorexant with any other drug to treat insomnia is not recommended. Risk D: Consider Therapy Modification

Tetrabenazine: May increase adverse/toxic effects of Antipsychotic Agents. Specifically, the risk for NMS and extrapyramidal symptoms may be increased. Risk C: Monitor

Thalidomide: CNS Depressants may increase CNS depressant effects of Thalidomide. Risk X: Avoid

Thioridazine: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Thioridazine. Specifically, the risk of seizures may be increased. Risk C: Monitor

Thiothixene: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Thiothixene. Specifically, the risk of seizures may be increased. Risk C: Monitor

Trifluoperazine: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Trifluoperazine. Specifically, the risk of seizures may be increased. Risk C: Monitor

Trimeprazine: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Valerian: May increase CNS depressant effects of CNS Depressants. Risk C: Monitor

Ziprasidone: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Ziprasidone. Specifically, the risk of seizures may be increased. Risk C: Monitor

Zolpidem: CNS Depressants may increase CNS depressant effects of Zolpidem. Management: Reduce the Intermezzo brand sublingual zolpidem adult dose to 1.75 mg for men who are also receiving other CNS depressants. No such dose change is recommended for women. Avoid use with other CNS depressants at bedtime; avoid use with alcohol. Risk D: Consider Therapy Modification

Zuclopenthixol: Agents With Seizure Threshold Lowering Potential may increase adverse/toxic effects of Zuclopenthixol. Specifically, the risk of seizures may be increased. Risk C: Monitor

Zuranolone: May increase CNS depressant effects of CNS Depressants. Management: Consider alternatives to the use of zuranolone with other CNS depressants or alcohol. If combined, consider a zuranolone dose reduction and monitor patients closely for increased CNS depressant effects. Risk D: Consider Therapy Modification

Food Interactions

Grapefruit juice may increase lumateperone serum concentrations. Management: Avoid grapefruit juice.

Reproductive Considerations

Evaluate pregnancy status and provide preconception counseling prior to initiating treatment in patients who could become pregnant (APA [Keepers 2020]; BAP [McAllister-Williams 2017]; CANMAT [Yatham 2018]). Patients effectively treated may continue their current antipsychotic medication when planning a pregnancy unless contraindications exist (ACOG 2023; BAP [McAllister-Williams 2017]); the lowest effective dose and avoidance of polytherapy is recommended (BAP [Barnes 2020]; BAP [McAllister-Williams 2017]; CANMAT [Yatham 2018]). Management of mental health conditions in patients who could become pregnant should be based on a shared decision-making process that considers the possibility of pregnancy during treatment and the risks of discontinuing antipsychotic therapy (ACOG 2023; BAP [McAllister-Williams 2017]; CANMAT [Yatham 2018]).

Antipsychotic agents may be associated with sexual dysfunction. Some second generation (atypical) antipsychotics (SGAs) may cause hyperprolactinemia, resulting in menstrual disorders or impaired spermatogenesis. Consider changing to a medication that is prolactin-sparing in patients with clinical symptoms. Contraception should be provided if pregnancy is not desired as unintended pregnancies may occur when changing to a prolactin-sparing medication (APA [Keepers 2020]; BAP [McAllister-Williams 2017]).

Pregnancy Considerations

Outcome data following exposure to second generation (atypical) antipsychotics (SGAs) as a class do not show a significant increased risk of major congenital malformations (BAP [Barnes 2020]); however, specific outcomes vary due to differences in study design and data are not specific for lumateperone (BAP [McAllister-Williams 2017]; Viguera 2021; Wang 2021). Additional studies are needed for individual agents and specific outcomes (BAP [Barnes 2020]). Data related to the long-term effects of in utero antipsychotic exposure on infant neurodevelopment and behavior are limited (BAP [McAllister-Williams 2017]; Straub 2022; Swetlik 2024).

Antipsychotic use during the third trimester of pregnancy increases the risk for extrapyramidal symptoms and/or withdrawal symptoms in newborns following delivery (Viguera 2023). Symptoms in the newborn may include agitation, feeding disorder, hypertonia, hypotonia, respiratory distress, somnolence, and tremor. These effects may require prolonged hospitalization or resolve within hour or days without specific treatment. Tapering the dose late in pregnancy to reduce the risk of symptoms is not recommended (APA [Keepers 2020]).

Atypical antipsychotics are associated with metabolic changes and the risk varies by specific agent. Available studies that evaluated the risk of developing gestational diabetes mellitus (GDM) during antipsychotic therapy have conflicting results, possibly due to differences in study design (ACOG 2023, Uguz 2019). Pregnant patients with diabetes mellitus or GDM may continue antipsychotic treatment (ACOG 2023). Consider the metabolic risks of the specific antipsychotic if treatment is initiated for the first-time during pregnancy (Heinonen 2022). Screening for GDM should continue as part of standard prenatal care; early screening is not needed due to psychiatric medication exposure (ACOG 2023, BAP [McAllister-Williams 2017]).

Untreated and undertreated mental health conditions are associated with adverse pregnancy outcomes. Untreated bipolar disorder is associated with fetal growth restriction, preterm birth, adverse neurodevelopment, and may increase the risk of postpartum psychosis, worsening mood, and postpartum hospitalization (ACOG 2023). Adverse obstetric and neonatal outcomes are associated with schizophrenia, however, comparisons between treated and untreated pregnancies are limited (BAP [McAllister-Williams 2017]). Discontinuing effective medications during pregnancy increases the risk of symptom relapse (ACOG 2023).

Patients effectively treated for schizophrenia or bipolar disorder pre-pregnancy may use the same medication during pregnancy unless contraindications exist (ACOG 2023; APA [Keeper2020]). SGAs are better tolerated and have fewer extrapyramidal adverse effects than first-generation (typical) antipsychotics (ACOG 2023).

Management of mental health conditions should be made as part of a shared decision-making process (ACOG 2023; BAP [McAllister-Williams 2017]). Treatment should not be withheld or discontinued based only on pregnancy status. When medications are used, the lowest effective dose of a single agent is recommended. Optimize dosing prior to changing a medication or adding additional agents whenever possible. Close monitoring for symptom improvement with a validated screening tool during pregnancy is recommended. Manage side effects as needed (ACOG 2023).

Data collection to monitor pregnancy and infant outcomes following exposure to psychiatric medications is ongoing. Encourage pregnant patients 45 years of age and younger with a history of psychiatric illness to enroll in the National Pregnancy Registry for Psychiatric Mediations (1-866-961-2388 or https://womensmentalhealth.org/research/pregnancyregistry/).

Breastfeeding Considerations

Lumateperone is present in breast milk.

Data related to the presence of lumateperone in breast milk are reported by the manufacturer following administration of a single 42 mg dose to 17 lactating patients. The estimated exposure to the breastfeeding infant was calculated to be 0.0004 mg/kg/day (relative infant dose [RID] 0.06% based on the weight adjusted maternal dose). Major metabolites were also present in breast milk, providing an estimated dose via breast milk of 0.0004 mg/kg/day.

In general, breastfeeding is considered acceptable when the RID of a medication is <10% (Anderson 2016; Ito 2000). However, some sources note breastfeeding should only be considered if the RID is <5% for psychotropic agents (Anderson 2021).

According to the manufacturer, the decision to breastfeed during therapy should consider the risk of infant exposure, the benefits of breastfeeding to the infant, and the benefits of treatment to the mother. Drowsiness, irritability, motor abnormalities, poor feeding, sedation, and slowed development have been reported in infants exposed to antipsychotics via breast milk. Monitor breastfed infants, especially those who are premature or of low birth weight, or when other sedative drugs are also prescribed (BAP [Barnes 2020]; BAP [McAllister-Williams 2017]). Consider sedative properties when initiating an antipsychotic medication for the first time postpartum. When medications are used, the lowest effective dose and avoiding use of multiple medications is recommended (BAP [Barnes 2020]).

Dietary Considerations

Avoid grapefruit juice.

Monitoring Parameters

Frequency of Antipsychotic Monitoring for Lumateperonea,b

Monitoring parameter

Frequency of monitoring

Comments

Adherence

Every visit

Blood chemistries (electrolytes, renal function, liver function, TSH)

Annually

CBC

As clinically indicated

Check frequently during the first few months of therapy in patients with preexisting low WBC or history of drug-induced leukopenia/neutropenia

Extrapyramidal symptoms

Every visit; 4 weeks after initiation and dose change; annually. Use a formalized rating scale at least annually or every 6 months if high risk.c

Fall risk

Every visit

Fasting plasma glucose/HbA1c

4 months after initiation; annually

Check more frequently than annually if abnormal. Follow diabetes guidelines.

Lipid panel

4 months after initiation; annually

Check more frequently than annually if abnormal. Follow lipid guidelines.

Mental status and alertness

Every visit

Metabolic syndrome history

Annually

Evaluate for personal and family history of obesity, diabetes, dyslipidemia, hypertension, or cardiovascular disease

Prolactin

Ask about symptoms at every visit until dose is stable. Check prolactin level if symptoms are reported.

Hyperprolactinemia symptoms: Changes in menstruation, libido, gynecomastia, development of galactorrhea, and erectile and ejaculatory function

Tardive dyskinesia

Every visit; annually. Use a formalized rating scale at least annually or every 6 months if high risk.d

Vital signs (BP, orthostatics, temperature, pulse, signs of infection)

Every visit (at least weekly during first 3 to 4 weeks of treatment); 4 weeks after dose change.

Weight/Height/BMI

8 and 12 weeks after initiation and dose change; quarterly

Consider monitoring waist circumference at baseline and annually, especially in patients with or at risk for metabolic syndrome.

Consider changing antipsychotic if BMI increases by ≥1 unit.

Some experts recommend checking weight and height at every visit.

a For all monitoring parameters, it is appropriate for check at baseline and when clinically relevant (based on symptoms or suspected ADRs) in addition to the timeline.

b ADA 2004; APA [Keepers 2020]; De Hert 2011; Gugger 2011; manufacturer's labeling.

c Risk factors for extrapyramidal symptoms (EPS) include prior history of EPS, high doses of antipsychotics, young age (children and adolescents at higher risk than adults), and dopaminergic affinity of individual antipsychotic.

d Risk factors for tardive dyskinesia include age >55 years; females; White or African ethnicity; presence of a mood disorder, intellectual disability, or central nervous system injury; and past or current EPS.

Mechanism of Action

Lumateperone is a second-generation antipsychotic with antagonist activity at central serotonin 5-HT2A receptors and postsynaptic antagonist activity at central dopamine D2 receptors. Lumateperone has high binding affinity for serotonin 5-HT2A receptors and moderate binding affinity for dopamine D2 receptors. Lumateperone also has moderate binding affinity for dopamine D1 and D4 and adrenergic alpha1A and alpha1B receptors but has low binding affinity for muscarinic and histaminergic receptors.

Pharmacokinetics (Adult Data Unless Noted)

Onset of action: Schizophrenia: Initial effects may be observed within 1 to 2 weeks of treatment with continued improvements through 4 to 6 weeks (Agid 2003; Levine 2010).

Absorption: Ingestion of a high-fat meal lowers the mean Cmax by 33% and increases mean AUC by 9%. In the presence of food, the median Tmax is delayed ~1 hour (from 1 hour at fasted state to 2 hours with food).

Distribution: Vd: 4.1 L/kg.

Protein binding: Plasma: 97.4%.

Metabolism: Extensive metabolism to >20 metabolites by multiple enzymes, including but not limited to uridine 5'-diphospho-glucuronosyltransferases (UDP-glucuronosyltransferase, UGT) 1A1, 1A4, and 2B15, aldoketoreductase (AKR)1C1, 1B10, and 1C4, and cytochrome P450 (CYP) 3A4, 2C8, and 1A2.

Bioavailability: 4.4%.

Half-life elimination: ~18 hours after IV administration; following oral administration, steady state is reached in ~5 days.

Time to peak: 1 to 2 hours.

Excretion: Urine: 58% (<1% as unchanged drug); feces: 29%.

Brand Names: International
International Brand Names by Country
For country code abbreviations (show table)

  • (PR) Puerto Rico: Caplyta
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