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NCT04083534 · ClinicalTrials.gov registry record · Phase 1

First In Human (FIH) Study of REGN5459 in Adult Patients With Relapsed or Refractory Multiple Myeloma (MM)

A Phase 1 study, sponsored by Regeneron Pharmaceuticals.

Completed
Registry status
Phase 1
Development phase
43
Enrollment target

NCT04083534: Completed Phase 1 study, sponsored by Regeneron Pharmaceuticals.

NCT04083534 is a Phase 1 study that has completed, run by Regeneron Pharmaceuticals. The registered enrollment target is 43 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (28% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04083534, a Phase 1 study, has completed, sponsored by Regeneron Pharmaceuticals.

COMPLETED
Registry status
Phase 1
Development phase
43 participants
Enrollment target

Study Summary

In the phase 1 portion of the study, the primary objectives are to assess the safety, tolerability, and dose-limiting toxicities (DLTs) and to determine a recommended phase 2 dose regimen (RP2DR) of REGN5459 as monotherapy in patients with relapsed or refractory multiple myeloma (MM) who have exhausted all therapeutic options that are expected to provide meaningful clinical benefit. In the phase 2 portion of the study, the primary objective is to assess the preliminary anti-tumor activity of REGN5459 as measured by objective response rate (ORR). In the phase 1 and phase 2 portion, the secondary objectives of the study are: * To assess the preliminary anti-tumor activity of REGN5459 as measured by duration of response (DOR), progression-free survival (PFS), rate of minimal residual disease (MRD) negative status, and overall survival (OS) * To evaluate the pharmacokinetic (PK) properties of REGN5459 * To characterize the immunogenicity of REGN5459 * To evaluate the effects of REGN5459 on patient-reported quality of life (QoL), symptoms, functioning and general health status In the phase 1 portion of the study only, the secondary objective of the study is to assess the preliminary anti-tumor activity of REGN5459 as measured by ORR. In the phase 2 portion of the study only, the secondary objective of the study is to evaluate the safety and tolerability of REGN5459.

Primary Outcome

Phase 1

Interventions

  • DRUG REGN5459

Trial Details

FieldValue
Enrollment Target 43 participants
Start Date 2019-09-26
Est. Completion 2025-05-01
Phase Phase 1
Regeneron Pharmaceuticals

280 total trials

What the finished NCT04083534 record still lists

NCT04083534 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 43 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (28% lower).

The record links to 0 conditions, and to 1 intervention - of which REGN5459 is the first listed.

NCT04083534 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04083534 about?

NCT04083534 is a clinical study titled "First In Human (FIH) Study of REGN5459 in Adult Patients With Relapsed or Refractory Multiple Myeloma (MM)". In the phase 1 portion of the study, the primary objectives are to assess the safety, tolerability, and dose-limiting toxicities (DLTs) and to determine a recommended phase 2 dose regimen (RP2DR) of REGN5459 as monotherapy in patients with relapsed or refractory multiple myeloma (MM) who have exhaus...

What is the current status of trial NCT04083534?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 43 participants. The study started on 2019-09-26. Estimated completion is 2025-05-01.

What interventions are being tested in trial NCT04083534?

The interventions under investigation include: REGN5459 (DRUG).

Who is sponsoring clinical trial NCT04083534?

This trial is sponsored by Regeneron Pharmaceuticals, which has 280 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04083534's enrollment target sits among peer trials

43 1100th of 2000 higher than 896 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT04083534, the US trial registry maintained by the National Library of Medicine. NCT04083534 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.