Study Description
The purpose of this study is to evaluate the effect of hepatic impairment on the systemic
pharmacokinetics (PK), safety, and tolerability of JDQ443 in participants with varying
degrees of hepatic impairment. This is a Phase 1, open-label, single-dose, multi-center, parallel group study to
evaluate the PK of oral JDQ443 in participants with mild, moderate, and/or severe hepatic
impairment compared to matched healthy control participants.
The study comprises a 28-day Screening period (Days -28 to -2), a baseline evaluation
period (Day -1), a single dose administration of 200 mg of JDQ443 (Day 1), and a
follow-up period of 4 days (Days 2 to 4) for PK sample collection. All participants
should have a post-study safety follow-up contact conducted approximately 30 days after
last administration of study treatment. The study will be considered complete once all
the participants have finished the required assessments or have dropped out or been lost
to follow-up.
A total of up to 48 participants will be enrolled in this study. Approximately 8
participants will be enrolled in each of mild (Child-Pugh A; Group 2), moderate
(Child-Pugh B; Group 3), and severe (Child-Pugh C; Group 4) hepatic impairment groups (to
have at least six evaluable participants in each group). Each participant in the healthy
control group (Group 1) will be matched to one or more evaluable participants with
hepatic impairment with respect to age, body weight and sex. All participants will
receive a single JDQ443 dose. Upon completion of mild and moderate impairment groups, as
well as matching control participants, an interim analysis will be conducted to compare
the PK exposure of the two hepatic impaired groups (Groups 2 and 3) to that of the
control participants. The interim analysis is to mitigate the potential safety risks in
participants with severe hepatic impairment. If the interim analysis results do not show
a clinically relevant increase in exposure of JDQ443 and is well tolerated from a safety
perspective, then severe hepatic impairment participants may be enrolled. Participants
with severe hepatic impairment will be enrolled only after the completion of the interim
analysis.
Interventions
JDQ443
Eligibility Criteria
Key inclusion Criteria:
- Written informed consent must be obtained before any assessment is performed.
- Participants must weigh at least 50.0 kg to participate in the study and must have a
body mass index (BMI) within the range of 18 to 40 kg/m2.
- Ability to communicate well with the investigator, to understand and comply with the
requirements of the study.
- Participant must be willing to remain in the clinical research unit as required by
the protocol.
Key exclusion Criteria:
- Use of other investigational drugs within the last 30 days or 5 half-lives prior to
dosing, whichever is longer.
- Use of drugs (prescription, non-prescription and herbal remedies such as St John's
wort) known to affect cytochrome p (CYP)3A, including both strong and moderate
inhibitors and inducers, within 2 weeks prior to dosing until completion of the EOS
Visit.
- Contradiction or hypersensitivity to the investigational compound/compound class or
its excipients being used in this study.
- Pregnant or nursing (lactating) women. Pregnancy is defined as the state of a female
after conception and until termination of gestation, confirmed by a positive human
chorionic gonadotropin (hCG) laboratory test.
- Known history of, or current clinically significant arrhythmias, history of
prolonged QT correction formula (QTcF) interval or QTcF >480 msec
Other inclusion/exclusion criteria may apply
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