Single Ascending Dose Study of SAR443820 in Healthy Adult Chinese and Japanese Female and Male Participants
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04982991 |
Recruitment Status :
Completed
First Posted : July 29, 2021
Last Update Posted : April 25, 2022
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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
Condition or disease | Intervention/treatment | Phase |
---|---|---|
Multiple Sclerosis Healthy Subjects | Drug: RIPK1 inhibitor | Phase 1 |
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.
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 14 participants |
Allocation: | N/A |
Intervention Model: | Crossover Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | 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. |
Actual Study Start Date : | August 5, 2021 |
Actual Primary Completion Date : | October 11, 2021 |
Actual Study Completion Date : | October 11, 2021 |

Arm | Intervention/treatment |
---|---|
Experimental: SAR443820
Participants will receive a single sequence of 3 different doses of SAR443820 in a total of 3 treatment periods
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Drug: RIPK1 inhibitor
Capsule Oral
Other Name: SAR443820 |
- Assessment of pharmacokinetic (PK) parameter: Cmax [ Time Frame: Up to day 3 ]Maximum plasma concentration
- Assessment of pharmacokinetic (PK) parameter: AUClast [ Time Frame: Up to day 3 ]Area under the plasma concentration versus time curve from time zero to the real time last
- Assessment of pharmacokinetic (PK) parameter: AUC [ Time Frame: Up to day 3 ]Area under the plasma concentration versus time curve
- Assessment of adverse events (AEs) [ Time Frame: Up to day 21 ]Number of participants with Adverse events

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Ages Eligible for Study: | 20 Years to 55 Years (Adult) |
Sexes Eligible for Study: | All |
Accepts 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

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04982991
United Kingdom | |
Investigational Site Number :8260001 | |
Harrow, London, City Of, United Kingdom, HA1 3UJ |
Responsible Party: | Sanofi |
ClinicalTrials.gov Identifier: | NCT04982991 |
Other Study ID Numbers: |
PKM17247 2021-001076-42 ( EudraCT Number ) U1111-1264-3008 ( Registry Identifier: ICTRP ) |
First Posted: | July 29, 2021 Key Record Dates |
Last Update Posted: | April 25, 2022 |
Last Verified: | April 8, 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Plan Description: | Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Multiple Sclerosis Demyelinating Autoimmune Diseases, CNS Autoimmune Diseases of the Nervous System Nervous System Diseases |
Demyelinating Diseases Autoimmune Diseases Immune System Diseases |