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Preclinical, Journal: Preclinical and clinical characterization of the RORγt inhibitor JNJ-61803534. (Pubmed Central) - Nov 4, 2021 The compound was well tolerated in single ascending doses (SAD) up to 200 mg, and exhibited dose-dependent increases in exposure upon oral dosing, with a plasma half-life of 164 to 170 h. In addition, dose-dependent inhibition of ex vivo stimulated IL-17A production in whole blood was observed, demonstrating in vivo target engagement. In conclusion, JNJ-61803534 is a potent and selective RORγt inhibitor that exhibited acceptable preclinical safety and efficacy, as well as an acceptable safety profile in a healthy volunteer SAD study, with clear evidence of a pharmacodynamic effect in humans.
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Enrollment change, Trial completion date, Trial termination, Trial primary completion date: A Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of JNJ-61803534 and to Evaluate the Effect of JNJ-61803534 on the Pharmacokinetics of Midazolam in Healthy Participants (clinicaltrials.gov) - Jul 20, 2018 P1, N=47, Terminated, In conclusion, JNJ-61803534 is a potent and selective RORγt inhibitor that exhibited acceptable preclinical safety and efficacy, as well as an acceptable safety profile in a healthy volunteer SAD study, with clear evidence of a pharmacodynamic effect in humans. N=124 --> 47 | Trial completion date: Jan 2019 --> Apr 2018 | Suspended --> Terminated | Trial primary completion date: Sep 2018 --> Apr 2018; Terminated due to nonclinical findings
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