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A Study Comparing Imetelstat Versus Best Available Therapy for the Treatment of Intermediate-2 or High-risk Myelofibrosis (MF) Who Have Not Responded to Janus Kinase (JAK)-Inhibitor Treatment

Active, not recruiting · Phase 3 · NCT04576156

Conditions: Myelofibrosis

At a glance

Research payments reported, 2025
$484,779
U.S. investigators named
11
Sites paid
11
Planned or actual enrollment
327

About the trial

Sponsor
Geron Corporation
Tested
Imetelstat (drug), Best Available Therapy (BAT) (drug)
Dates
Started 2021-04-12; completion 2028-06-30
Results posted
Not yet

The purpose of the study is to evaluate the overall survival of participants treated with imetelstat compared to best available therapy with intermediate-2 or high-risk Myelofibrosis (MF) who are relapsed/refractory (R/R) to Janus Kinase (JAK)-Inhibitor treatment.

From ClinicalTrials.gov, last updated 2026-07-08. Full record, eligibility and contacts (opens in a new tab)

Industry funding

Geron Corporation reported $484,779 in research payments for this study in 2025 (363 payments).

Products named: Imetelstat

Research payments usually go to hospitals, universities and research sites to run a study, not to the investigators personally. A payment is not evidence of wrongdoing.

U.S. investigators named on this study

Clinicians the company named as principal investigators in its Open Payments reports.

Sites paid to run it

  • Icahn School of Medicine at Mount Sinai $113,564
  • H Lee Moffitt Cancer Center and Research Institute Hospital Inc $108,339
  • Ronald Reagan UCLA Medical Center, CA $79,808
  • Norton Healthcare Inc $57,862
  • The Regents of the University of California $36,979
  • Duke University $34,043
  • Yale University $21,804
  • Brcr Medical Center Inc $17,079
  • Peritus Imaging Inc $11,100
  • Vx3 Imaging PC $2,550
  • Ns Imaging Related Services Inc $1,650

Sources: CMS Open Payments research payments (program year 2025) and ClinicalTrials.gov, U.S. National Library of Medicine.