Cariprazine Orodispersible Tablet: A New Formulation for Cariprazine

 

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Abstract

IntroductionCariprazine is an atypical dopamine receptor partial agonist antipsychotic available in the form of capsules. Although capsules are one of the most desirable routes of administration, there are certain situations (e. g., in an acute psychiatric setting, or when swallowing difficulties, or liquid shortages are present) when they cannot be administered. Therefore, alternative solutions like orodispersible tablets are needed. This study aimed to investigate the bioequivalence of a newly developed orodispersible tablet to the commercially available hard gelatine capsule of cariprazine 1.5 mg.

MethodsThis was a phase I, open-label, randomized, single-dose bioequivalence study. It had a 2-period, 2-sequence, cross-over design, where each subject received one test and one reference product in a randomized sequence, separated by a wash-out period of 55 days. Blood sampling was performed over 72 h after dosing. Cariprazine concentrations were analyzed by a validated HPLC-MS/MS method. Standard bioequivalence statistics was applied to PK parameters calculated by non-compartmental analysis. Safety measures were analyzed descriptively.

ResultPharmacokinetic data of 43 healthy volunteers and safety data of 54 subjects was analyzed. Cariprazine AUC_0–72h and C_max geometric mean ratios were 117.76% and 100.88%, respectively. The 90% confidence intervals were within the pre-defined bioequivalence acceptance limits of 80.00% – 125.00%. Safety data was in line with the Summary of Product Characteristics of Cariprazine.

Discussion The result of this clinical trial proved the bioequivalence of the new orodispersible tablet formulation when compared to hard gelatine capsules, enabling an alternative option for treatment of those suffering from schizophrenia.

Publikationsverlauf

Eingereicht: 17. Januar 2024
Eingereicht: 22. Februar 2024

Angenommen: 23. Februar 2024

Artikel online veröffentlicht:
06. Mai 2024

© 2024. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

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