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Single Ascending Dose Study of SAR443820 in Healthy Adult Chinese and Japanese Female and Male Participants

A Phase 1, Open-label, 3-treatment Period, 1-sequence, Cross-over Study of the Pharmacokinetics, Safety and Tolerability After Single Ascending Oral Doses of SAR443820 in Healthy Adult Chinese and Japanese Female and Male Participants.

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04982991
Enrollment
14
Registered
2021-07-29
Start date
2021-08-05
Completion date
2021-10-11
Last updated
2022-04-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Multiple Sclerosis Healthy Subjects

Brief summary

Primary Objective: To assess the pharmacokinetic parameters of SAR443820 after ascending single oral doses in healthy East Asian (Chinese and Japanese) adult participants. Secondary Objective: To assess the tolerability and safety of SAR443820 after ascending single oral doses in healthy East Asian (Chinese and Japanese) adult participants

Detailed description

The duration of the study for a participant will be up to approximately 7 weeks and include: * Screening period: up to 4 weeks (Day -28 to Day -2). * Institutionalization period at each period of treatment: 4 days (Day -1 to Day 3, single SAR443820 administration on Day 1). * Wash-out period: at least 5 days between each dosing. * End-of-study visit: Period 3/ Day 6±1 day.

Interventions

DRUGRIPK1 inhibitor

Capsule Oral

Sponsors

Sanofi
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
20 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

East Asian (Chinese and Japanese) male and/or female participant must be 20 to 55 years of age inclusive, at the time of signing the informed consent. Chinese or Japanese ethnicity, according to the following criteria: Chinese; born in China or ethnic Chinese born outside of China, and a descendent of 4 ethnic Chinese grandparents who were all born in China. Japanese; born in Japan or ethnic Japanese born outside of Japan, and a descendent of 4 ethnic Japanese grandparents who were all born in Japan. Participants who are overtly healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, and ECG. Body weight within 50.0 and 100.0 kg, inclusive, if male, and between 40.0 and 90.0 kg, inclusive, if female, and body mass index (BMI) within the range 18.0 and 30.0 kg/m2, inclusive.

Exclusion criteria

Medical history of any seizure. Any medication (including St John's Wort) within 14 days before inclusion or within 5 times the elimination half-life or pharmacodynamic half-life of the medication, any live attenuated vaccine given within 3 months or any non-live vaccine given within 2 weeks before inclusion, and any biologics (antibody or its derivatives) given within 4 months before inclusion. Positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) test. Current psychiatric disorder, suicidal ideation in the previous 6 months (as assessed by the Columbia-Suicide Severity Rating Scale \[C-SSRS\]), or a lifetime suicide attempt. A yes response to questions 4 or 5 on the Suicidal Ideation section, or a score of 4 or 5 on the Intensity of Ideation section of the baseline/screening version of the C-SSRS at screening, or on the Since Last Visit version of the C-SSRS at baseline. The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial

Design outcomes

Primary

MeasureTime frameDescription
Assessment of pharmacokinetic (PK) parameter: CmaxUp to day 3Maximum plasma concentration
Assessment of pharmacokinetic (PK) parameter: AUClastUp to day 3Area under the plasma concentration versus time curve from time zero to the real time last
Assessment of pharmacokinetic (PK) parameter: AUCUp to day 3Area under the plasma concentration versus time curve

Secondary

MeasureTime frameDescription
Assessment of adverse events (AEs)Up to day 21Number of participants with Adverse events

Countries

United Kingdom

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026