CI

At a glance

ClinicalIndex Comparison Record
Phase 1Completed· 56 enrolled
Drug / intervention
REGN9933 +1 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05102136
NCT05102136Phase 1Completed

A Phase 1, Randomized, Double-Blind, Placebo-Controlled, Single-Center Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Single Ascending Doses of REGN9933, a Monoclonal Antibody Against Factor XI, in Healthy Adult Subjects

Regeneron Pharmaceuticals·interventional·Posted Nov 1, 2021·Updated May 3, 2023

In Brief

A Phase 1 clinical trial evaluating REGN9933 and Placebo for Healthy Volunteers. Completed, enrolled 56 participants across 1 site.

Detailed Summary

The primary objective of the study is to evaluate the safety and tolerability of single doses of REGN9933 in healthy participants The secondary objectives of the study are to: * Evaluate the effects of single doses of REGN9933 on intrinsic/common pathway coagulation * Evaluate the effects of single doses of REGN9933 on extrinsic/common pathway coagulation * Characterize the drug concentration profiles and pharmacokinetic (PK) following single escalating doses of REGN9933 * Characterize the concentration profiles of total FXI following single escalating doses of REGN9933 * Assess the immunogenicity of single doses of REGN9933

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesBelgium
Collaborators--

Timeline

Phase 1CompletedFinished
20222023202420252026
First PostedNov 1, 2021
Enrollment StartOct 27, 2021
Primary CompletionApr 4, 2023
TodayJul 2, 2026
Enrollment to primary: 1.4 yearsPosted 4.7 years ago

Interventions

REGN9933drug

Administered intravenously (IV) or subcutaneous (SC) per the protocol

Placebodrug

Placebo to match REGN9933 in same form; placebo administered IV or SC per the protocol