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NCT04335721 · ClinicalTrials.gov registry record · Phase 1

A Voxelotor for Sickle Cell Anemia Patients at Highest Risk for Progression of Chronic Kidney Disease

A Phase 1 study, sponsored by University of Illinois at Chicago.

Terminated
Registry status
Phase 1
Development phase
12
Enrollment target

NCT04335721: Clinical Trial Phase 1 study, sponsored by University of Illinois at Chicago.

NCT04335721 is a Phase 1 study that was terminated before completion, run by University of Illinois at Chicago. The registered enrollment target is 12 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (80% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04335721, a Phase 1 study, was terminated before completion, sponsored by University of Illinois at Chicago.

TERMINATED
Registry status
Phase 1
Development phase
12 participants
Enrollment target

Study Summary

This study is a single center, prospective exploratory pilot study of Sickle Cell Anemia (SCA) participants. The study will enroll patients with early stages of sickle cell nephropathy (Chronic Kidney Disease (CKD) stage 1 or 2) who are at the highest risk of CKD progression (presence of both hemoglobinuria and urine albumin concentration ≥ 30 mg/g creatinin

Primary Outcome

Albuminuria will be analyzed comparing the mean values from the Week 47 and 48 visits to the mean values from the baseline and screening visits

Interventions

  • DRUG Voxelotor

Trial Details

FieldValue
Enrollment Target 12 participants
Start Date 2021-03-16
Est. Completion 2024-10-07
Phase Phase 1
University of Illinois at Chicago

430 total trials

Why NCT04335721 stopped before completion

NCT04335721 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 12 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (80% lower).

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

NCT04335721 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04335721 about?

NCT04335721 is a clinical study titled "A Voxelotor for Sickle Cell Anemia Patients at Highest Risk for Progression of Chronic Kidney Disease". This study is a single center, prospective exploratory pilot study of Sickle Cell Anemia (SCA) participants. The study will enroll patients with early stages of sickle cell nephropathy (Chronic Kidney Disease (CKD) stage 1 or 2) who are at the highest risk of CKD progression (presence of both hemogl...

What is the current status of trial NCT04335721?

This trial is currently terminated. It is a Phase 1 study. The enrollment target is 12 participants. The study started on 2021-03-16. Estimated completion is 2024-10-07.

What interventions are being tested in trial NCT04335721?

The interventions under investigation include: Voxelotor (DRUG).

Who is sponsoring clinical trial NCT04335721?

This trial is sponsored by University of Illinois at Chicago, which has 430 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04335721's enrollment target sits among peer trials

12 1852nd of 2000 higher than 90 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 NCT04335721, the US trial registry maintained by the National Library of Medicine. NCT04335721 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.