Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT04551053 · ClinicalTrials.gov registry record · Phase 3

To Evaluate Efficacy and Safety of Parsaclisib and Ruxolitinib in Participants With Myelofibrosis Who Have Suboptimal Response to Ruxolitinib (LIMBER-304)

A Phase 3 study, sponsored by Incyte Corporation.

Terminated
Registry status
Phase 3
Development phase
177
Enrollment target

NCT04551053: Clinical Trial Phase 3 study, sponsored by Incyte Corporation.

NCT04551053 is a Phase 3 study that was terminated before completion, run by Incyte Corporation. The registered enrollment target is 177 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (77% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT04551053, a Phase 3 study, was terminated before completion, sponsored by Incyte Corporation.

TERMINATED
Registry status
Phase 3
Development phase
177 participants
Enrollment target

Study Summary

The purpose of the study is to compare the efficacy and safety of parsaclisib when combined with ruxolitinb versus placebo combined with ruxolitinib in participants with myelofibrosis who have suboptimal response while receiving ruxolitinib monotherapy.

Primary Outcome

Participants had an MRI of the upper and lower abdomen and pelvis to determine the spleen volume. A CT scan was substituted for participants who were not candidates for MRI or when MRI was not readily available.

Interventions

  • DRUG placebo
  • DRUG ruxolitinib
  • DRUG parsaclisib

Trial Details

FieldValue
Enrollment Target 177 participants
Start Date 2021-05-26
Est. Completion 2024-08-21
Phase Phase 3
Incyte Corporation

239 total trials

Why NCT04551053 stopped before completion

NCT04551053 is an interventional study that assigns participants to a tested intervention. The registered 177 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (77% lower).

The record links to 0 conditions, and to 3 interventions - of which placebo is the first listed.

NCT04551053 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04551053 about?

NCT04551053 is a clinical study titled "To Evaluate Efficacy and Safety of Parsaclisib and Ruxolitinib in Participants With Myelofibrosis Who Have Suboptimal Response to Ruxolitinib (LIMBER-304)". The purpose of the study is to compare the efficacy and safety of parsaclisib when combined with ruxolitinb versus placebo combined with ruxolitinib in participants with myelofibrosis who have suboptimal response while receiving ruxolitinib monotherapy.

What is the current status of trial NCT04551053?

This trial is currently terminated. It is a Phase 3 study. The enrollment target is 177 participants. The study started on 2021-05-26. Estimated completion is 2024-08-21.

What interventions are being tested in trial NCT04551053?

The interventions under investigation include: placebo (DRUG), ruxolitinib (DRUG), parsaclisib (DRUG).

Who is sponsoring clinical trial NCT04551053?

This trial is sponsored by Incyte Corporation, which has 239 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04551053's enrollment target sits among peer trials

177 1438th of 2000 higher than 563 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 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

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT05491551 · 177 participants · NA

    Alcohol-ROC-Training

  • NCT06108050 · 177 participants · Phase 1

    JZP898 Intravenous Infusion as Monotherapy and Combination With Pembrolizumab in Adults With Advanced/Metastatic Solid Tumors

  • NCT06575712 · 177 participants · NA

    Coping Skills Training for Symptom Management and Daily Steps (Step Up)

  • NCT06674980 · 177 participants · NA

    Clinical Trial Assessing Human Placental Membrane Products and Standard of Care Versus Standard of Care in Nonhealing DFUs and VLUs

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT04551053, the US trial registry maintained by the National Library of Medicine. NCT04551053 (mid enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.