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NCT04543305 · ClinicalTrials.gov registry record · Phase 1

A Study of PRT1419 in Patients With Relapsed/Refractory Hematologic Malignancies

A Phase 1 study, sponsored by Prelude Therapeutics.

Completed
Registry status
Phase 1
Development phase
16
Enrollment target

NCT04543305: Completed Phase 1 study, sponsored by Prelude Therapeutics.

NCT04543305 is a Phase 1 study that has completed, run by Prelude Therapeutics. The registered enrollment target is 16 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (73% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04543305, a Phase 1 study, has completed, sponsored by Prelude Therapeutics.

COMPLETED
Registry status
Phase 1
Development phase
16 participants
Enrollment target

Study Summary

This is a Phase 1 dose-escalation study of PRT1419, a myeloid cell leukemia 1 (MCL1) inhibitor, in patients with relapsed/refractory hematologic malignancies. The purpose of this study is to define the dosing schedule, maximally tolerated dose and/or estimate the optimal biological dose to be used in subsequent development of PRT1419.

Primary Outcome

Dose limiting toxicities will be evaluated through the first cycle

Interventions

  • DRUG PRT1419

Trial Details

FieldValue
Enrollment Target 16 participants
Start Date 2020-09-28
Est. Completion 2022-03-21
Phase Phase 1
Prelude Therapeutics

12 total trials

What the finished NCT04543305 record still lists

NCT04543305 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 16 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (73% lower).

The record links to 0 conditions, and to 1 intervention - of which PRT1419 is the first listed.

NCT04543305 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04543305 about?

NCT04543305 is a clinical study titled "A Study of PRT1419 in Patients With Relapsed/Refractory Hematologic Malignancies". This is a Phase 1 dose-escalation study of PRT1419, a myeloid cell leukemia 1 (MCL1) inhibitor, in patients with relapsed/refractory hematologic malignancies. The purpose of this study is to define the dosing schedule, maximally tolerated dose and/or estimate the optimal biological dose to be used i...

What is the current status of trial NCT04543305?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 16 participants. The study started on 2020-09-28. Estimated completion is 2022-03-21.

What interventions are being tested in trial NCT04543305?

The interventions under investigation include: PRT1419 (DRUG).

Who is sponsoring clinical trial NCT04543305?

This trial is sponsored by Prelude Therapeutics, which has 12 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04543305's enrollment target sits among peer trials

16 1786th of 2000 higher than 203 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 NCT04543305, the US trial registry maintained by the National Library of Medicine. NCT04543305 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.