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Single & Multiple Ascending Dose Study of SAR443820 in Healthy Adult Participants

CompletedPhase 1

Sponsor: Sanofi

Conditions: Amyotrophic Lateral Sclerosis (Healthy Volunteers)

Interventions: SAR443820, Placebo

Countries: United States

This is a Phase 1, single-center study conducted in 2 parts: Part 1a, single ascending dose (SAD-TDU16519): Double-blind, randomized, placebo-controlled sequential ascending single oral doses including up to 6 cohorts. Each cohort will include 8 participants (6 receiving SAR443820 and 2 placebo). Part 1b (TDU16519): - Open label, single SAR443820 dose in one or two separated cohort(s) for SAR443820 measurements in CSF and in plasma. Part 2, multiple ascending dose (MAD -TDR16520): Double-blind, randomized, placebo-controlled, sequential ascending repeated oral doses for 14 days, including up to 4 cohorts. Each cohort will include 10 participants (8 receiving SAR443820 and 2 placebo).

Eligibility overview

Sex: ALL

Age: 18 Years to 55 Years

Healthy volunteers: Yes

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria:

Male and/or female participant, between 18 and 55 years of age, inclusive. Body weight between 50.0 and 100.0 kg, inclusive, if male, and between 40.0 and 90.0 kg, inclusive, if female, body mass index between 18.0 and 30.0 kg/m2, inclusive.

Certified as healthy by a comprehensive clinical assessment (detailed medical history and complete physical examination).

Having given written informed consent prior to undertaking any study-related procedure.

Not under any administrative or legal supervision or under institutionalization due to regulatory or juridical order.

Exclusion Criteria:

Any history or presence of clinically relevant cardiovascular, pulmonary, gastrointestinal, hepatic, renal, metabolic, hematological, neurological, osteo-muscular, articular, psychiatric, systemic, ocular, gynecologic (if female), or infectious disease, or signs of acute illness.

Personal medical history of seizure.

Frequent headaches and/or migraine, recurrent nausea and/or vomiting (for vomiting only: more than twice a month).

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, with the exception of hormonal contraception or menopausal hormone replacement therapy; any vaccination within the last 28 days and any biologics (antibody or its derivatives) given within 4 months before inclusion.

Positive result for hepatitis B, C or HIV

Positive result on urine drug screen

Positive alcohol test.

Any consumption of citrus fruits or their juices within 5 days before inclusion.

Current psychiatric disorder, suicidal ideation in the previous 6 months (as assessed by the C-SSRS), or a lifetime suicide attempt.

Additional exclusion criteria applied, and specially for Part 1b, criteria related to the study procedure of lumbar puncture.

The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.

Locations (1)

Saint Paul, Minnesota, United States