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Completed Phase 3 Interventional Results available

COntrolled MyeloFibrosis Study With ORal JAK Inhibitor Treatment: The COMFORT-I Trial

ClinicalTrials.gov ID: NCT00952289

Public ClinicalTrials.gov record NCT00952289. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 23, 2026, 7:17 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Double-blind, Placebo-controlled Study of the JAK Inhibitor INCB018424 Tablets Administered Orally to Subjects With Primary Myelofibrosis, Post-Polycythemia Vera Myelofibrosis or Post-Essential Thrombocythemia Myelofibrosis

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This was a randomized, double-blind study comparing the efficacy and safety of ruxolitinib (INCB018424) tablets to matching placebo tablets in patients diagnosed with Myelofibrosis (either Primary Myelofibrosis (PMF) or Post-Polycythemia Vera Myelofibrosis (PPV-MF) or Post-Essential Thrombocythemia Myelofibrosis (PET-MF).

Study identification

NCT ID
NCT00952289
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Incyte Corporation
Industry
Enrollment
309 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 2009 (Type not available)
Primary completion
Nov 2010 (Actual)
Completion
Oct 2015 (Actual)
Last update posted
Mar 12, 2018

2009 – 2015

United States locations

U.S. sites
88
U.S. states
36
U.S. cities
88
Facility City State ZIP Site status
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Not listed New Braunfels Texas — —
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Not listed Burlington Vermont — —
Not listed Everett Washington — —
Not listed Seattle Washington — —
Not listed Milwaukee Wisconsin — —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 24 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00952289, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 12, 2018 · Synced Oct 23, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00952289 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →