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NCT03644953 · ClinicalTrials.gov registry record · Phase 2

Hydroxyurea and Transfusion

A Phase 2 study, sponsored by Children's National Research Institute.

Completed
Registry status
Phase 2
Development phase
14
Enrollment target

NCT03644953: Completed Phase 2 study, sponsored by Children's National Research Institute.

NCT03644953 is a Phase 2 study that has completed, run by Children's National Research Institute. The registered enrollment target is 14 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (89% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03644953, a Phase 2 study, has completed, sponsored by Children's National Research Institute.

COMPLETED
Registry status
Phase 2
Development phase
14 participants
Enrollment target

Study Summary

This study will prospectively investigate the feasibility, safety, and transfusion requirements of adding hydroxyurea to simple chronic transfusions for patients with sickle cell anemia already on chronic transfusions.

Primary Outcome

number of participants who enroll on the study / total number of eligible subjects

Interventions

  • DRUG Hydroxyurea

Trial Details

FieldValue
Enrollment Target 14 participants
Start Date 2018-10-30
Est. Completion 2021-07-01
Phase Phase 2

What the finished NCT03644953 record still lists

NCT03644953 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 14 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (89% lower).

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

NCT03644953 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03644953 about?

NCT03644953 is a clinical study titled "Hydroxyurea and Transfusion". This study will prospectively investigate the feasibility, safety, and transfusion requirements of adding hydroxyurea to simple chronic transfusions for patients with sickle cell anemia already on chronic transfusions.

What is the current status of trial NCT03644953?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 14 participants. The study started on 2018-10-30. Estimated completion is 2021-07-01.

What interventions are being tested in trial NCT03644953?

The interventions under investigation include: Hydroxyurea (DRUG).

Who is sponsoring clinical trial NCT03644953?

This trial is sponsored by Children's National Research Institute, which has 92 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03644953's enrollment target sits among peer trials

14 1941st of 2000 higher than 54 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 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 NCT03644953, the US trial registry maintained by the National Library of Medicine. NCT03644953 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.