INVEGA TRINZA

Absorption and

DistributionDue to its extremely low water solubility, the 3-month formulation of paliperidone palmitate dissolves slowly after intramuscular injection before being hydrolyzed to paliperidone and absorbed into the systemic circulation. The release of the drug starts as early as day 1 and lasts for as long as 18 months. Following a single intramuscular dose of INVEGA TRINZA, the plasma concentrations of paliperidone gradually rise to reach maximum plasma concentrations at a median...

The efficacy of INVEGA TRINZA for the treatment of schizophrenia in patients who have been adequately treated for at least 4 months with INVEGA SUSTENNA (1-month paliperidone palmitate extended-release injectable suspension) was evaluated in a long-term double-blind, placebo-controlled randomized-withdrawal trial designed to evaluate time to relapse involving adult subjects who met DSM-IV-TR criteria for schizophrenia. Patients could enter the study with acute symptoms (if previously treated with oral antipsychotics) or be clinically stable (if treated with long-acting injectable antipsychotic...

The following are discussed in more detail in other sections of the labeling: Increased mortality in elderly patients with dementia-related psychosis [see Boxed Warning and Warnings and Precautions (5.1) ] Cerebrovascular adverse reactions, including stroke, in elderly patients with dementia-related psychosis [see Warnings and Precautions (5.2) ] Neuroleptic malignant syndrome [see Warnings and Precautions (5.3) ] QT prolongation [see Warnings and Precautions (5.4) ] Tardive dyskinesia [see Warn...

INVEGA TRINZA is contraindicated in patients with a known hypersensitivity to either paliperidone or risperidone, or to any of the excipients in the INVEGA TRINZA formulation. Hypersensitivity reactions, including anaphylactic reactions and angioedema, have been reported in patients treated with risperidone and in patients treated with paliperidone. Paliperidone palmitate is converted to paliperid...

Cerebrovascular Adverse Reactions, Including Stroke, in Elderly Patients with Dementia-Related Psychosis: Increased incidence of cerebrovascular adverse reactions (e.g. stroke, transient ischemic attack, including fatalities). INVEGA TRINZA is not approved for use in patients with dementia-related psychosis ( 5.2 ) Neuroleptic Malignant Syndrome: Manage with immediate discontinuation of drug and close monitoring ( 5.3 ) QT Prolongation: Avoid use with drugs that also increase QT interval and in ...

7 DRUG INTERACTIONS Strong CYP3A4/P-glycoprotein (P-gp) inducers: Avoid using a strong inducer of CYP3A4 and/or P-gp (e.g., carbamazepine, rifampin, St John's Wort) during a dosing interval for INVEGA TRINZA. If administering a strong inducer is necessary, consider managing the patient using paliperidone extended release tablets. ( 7.2 , 12.3 ) 7.1 Drugs Having Clinically Important Interactions wi...