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NCT04053803 · ClinicalTrials.gov registry record · Phase 2

An Extension Study of IMR-687 in Adult Patients With Sickle Cell Anemia

A Phase 2 study of Sickle Cell Disease, sponsored by Imara.

Active
Registry status
Phase 2
Development phase
30
Enrollment target
7
Study locations

NCT04053803: Active Phase 2 study of Sickle Cell Disease, sponsored by Imara.

NCT04053803 is a Phase 2 study of Sickle Cell Disease that is active but no longer recruiting, run by Imara. The registered enrollment target is 30 participants, below the 293-participant average among 213 other Sickle Cell Disease trials with a reported enrollment target (90% lower). The trial reports 7 study locations across 4 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04053803, a Phase 2 study of Sickle Cell Disease, is active but no longer recruiting, sponsored by Imara.

ACTIVE NOT RECRUITING
Registry status
Phase 2
Development phase
30 participants
Enrollment target
7
Study locations

Study Summary

This is an open-label extension study of IMR-687 in adult patients who completed Imara's blinded Phase 2a study (IMR-SCD-102). The open-label extension study will evaluate long-term safety and tolerability.

Primary Outcome

1. Incidence of Adverse Events 2. Incidence of Serious Adverse Events

Conditions Studied

Interventions

  • DRUG IMR-687

Study Locations (7)

Other

  • Bristol Haematology and Oncology Centre - Bristol
  • University College London Hospital NHS Foundation Trust - London
  • Guy's and St Thomas Hospital CRF - London
  • Royal London Hospital - London

Connecticut

  • University of Connecticut Health Center - Farmington

Florida

  • Foundation for Sickle Cell Disease Research - Hollywood

Texas

  • Baylor Scott & White Medical Center - Temple - Temple

Trial Details

FieldValue
Enrollment Target 30 participants
Start Date 2019-05-22
Est. Completion 2025-03
Phase Phase 2
Imara

1 total trials

What the registry record for NCT04053803 still lists

NCT04053803 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 30 participants, a relatively small participant target, below the 293-participant average among 213 other Sickle Cell Disease trials with a reported enrollment target (90% lower).

The record links to 1 condition, with Sickle Cell Disease appearing as the primary indexed condition, and to 1 intervention - of which IMR-687 is the first listed.

NCT04053803 lists 7 locations in 4 states (Other, Connecticut, Florida).

Frequently Asked Questions

What is clinical trial NCT04053803 about?

NCT04053803 is a clinical study titled "An Extension Study of IMR-687 in Adult Patients With Sickle Cell Anemia". This is an open-label extension study of IMR-687 in adult patients who completed Imara's blinded Phase 2a study (IMR-SCD-102). The open-label extension study will evaluate long-term safety and tolerability.

What is the current status of trial NCT04053803?

This trial is currently active not recruiting. It is a Phase 2 study. The enrollment target is 30 participants. The study started on 2019-05-22. Estimated completion is 2025-03.

What conditions does trial NCT04053803 study?

This clinical trial studies the following conditions: Sickle Cell Disease.

What interventions are being tested in trial NCT04053803?

The interventions under investigation include: IMR-687 (DRUG).

Who is sponsoring clinical trial NCT04053803?

This trial is sponsored by Imara, which has 1 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT04053803 being conducted?

This trial has 7 study locations across Connecticut, Florida, Texas. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Sickle Cell Disease

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT04053803's enrollment target sits among peer trials

30 139th of 213 higher than 67 of 213 other Sickle Cell Disease trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Sickle Cell Disease 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 NCT04053803, the US trial registry maintained by the National Library of Medicine. NCT04053803 (small enrollment · multi site footprint · active not recruiting) retrieved and formatted by PlainTrial, see methodology.