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Real-World data may unlock Pacritinib's true potential in myelofibrosis

NCT ID NCT07774455

Knowledge-focused Sponsor: Swedish Orphan Biovitrum Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 19, 2026 · Last updated Sep 15, 2026 · Updated 3 times

Summary

This study looks back at medical records of adults with myelofibrosis who took pacritinib for at least a month. Researchers will track changes in spleen size, blood counts, symptoms, and survival to see how the drug performs in everyday practice. The goal is to understand real-world effectiveness beyond clinical trial settings.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
This study could reveal how well pacritinib works outside clinical trials, helping doctors make better treatment decisions for myelofibrosis patients.
What could go wrong
Because it's observational, it can't prove cause and effect. Results may be limited by incomplete records or the specific patient group studied.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 60 people

The number the study aims to enrol. It can still change while the study runs.

Started

Aug 2026

Expected to finish

Jan 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients with platelet counts ≥50 x 10\^9/L at pacritinib initiation from a total of 20-25 centers across the US over a 4-year time period (2022 to 2026).

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adult patients must be ≥18 years of age at the index date * Patients diagnosed with MF with platelet counts ≥50 x 109/L at the time of treatment initiation with pacritinib. If multiple values are available within 30 days prior to initiating treatment with pacritinib will use the value closest to index date * Patients will be required to have ≥1 month of treatment with pacritinib and ≥6 months of observation from the start of pacritinib unless the patient died within 6 months of starting pacritinib * If peripheral blasts were evaluated prior to index, they must be \<10%. If not evaluated, patients will be included unless a healthcare provider has indicated in the medical record that there is a concern that the patient has transitioned to accelerated/blast phase disease at or prior to index * According to local regulations, waivers of consent will be sought for study patients from the appropriate regulatory authorities and/or the independent ethics committee (IEC)/institutional review board (IRB). For patients not covered by waivers of consent, signed and dated informed consent provided by the patient, or the patient's legally authorized representative(s) for patients under the legal age (with patient assent, as applicable), should be obtained before any study-related activities are undertaken. Exclusion Criteria: * Diagnosis of acute myeloid leukemia prior to index * Physician-concern that the patient has transitioned to accelerated/blast phase disease if peripheral blasts were not evaluated * Treated with 2 or more JAK inhibitors prior to initiating treatment with pacritinib * Treated with pacritinib in a clinical trial setting

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Conditions

The condition(s) this trial relates to.

myelofibrosis primary myelofibrosis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Myelofibrosis (MF)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    3 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Medical University of South Carolina

    RECRUITING

    Charleston, South Carolina, 29425, United States

  • The Ohio State University

    RECRUITING

    Columbus, Ohio, 43210, United States

  • Yale School of Medicine

    RECRUITING

    New Haven, Connecticut, 06511, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.