Actively Recruiting

Phase 1
Phase 2
Age: 18Years +
All Genders
NCT05320198

Study of DISC-0974 (RALLY-MF) in Participants With Myelofibrosis or Myelodysplastic Syndrome and Anemia

Led by Disc Medicine, Inc · Updated on 2026-05-13

150

Participants Needed

25

Research Sites

221 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This phase 1b/2a open-label study will assess the safety, tolerability, pharmacokinetics and pharmacodynamics of DISC-0974 as well as categorize the effects on anemia response in subjects with myelofibrosis or myelodysplastic syndrome and anemia.

CONDITIONS

Official Title

Study of DISC-0974 (RALLY-MF) in Participants With Myelofibrosis or Myelodysplastic Syndrome and Anemia

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Age 18 years or older at consent
  • DIPSS score of 3 to 4 (intermediate 2 risk) or 5 (high-risk) primary MF, post PV MF, or post ET MF for Phase 1b; Phase 2 includes DIPSS 2 (intermediate 1 risk)
  • At least 28 days washout from androgens, EPO, cladribine, immunomodulators, and certain corticosteroids
  • Anemia: Hgb <10 g/dL on 3 assessments over 84 days before screening or specific RBC transfusion dependence criteria
  • Stable dosing of MF therapy or required washout for JAK inhibitors and hydroxyurea
  • ECOG performance score 2
  • No planned hematopoietic stem cell transplant within 8 months after screening
  • TSAT <75%
  • Liver iron concentration by MRI <7 mg/g dry weight (for TD high participants)
  • Serum ferritin 50 bcg/L
  • Platelet count 25,000/bcL and <1,000,000/bcL; neutrophils 1,000/bcL; WBC count <50,000/bcL
  • eGFR 30 mL/min/1.73 m2
  • AST and ALT <3x ULN
  • Direct bilirubin <2x ULN or approved exceptions
  • Use of effective contraception for participants of childbearing potential
  • Negative pregnancy test for females of childbearing potential
  • Ability to understand study and provide informed consent
  • Ability to comply with study procedures
  • For MDS cohort: IPSS-M classification of very low, low, or intermediate risk MDS or related conditions
  • Similar washout, anemia, and laboratory criteria as MF cohort
Not Eligible

You will not qualify if you...

  • Hereditary hemochromatosis
  • Hemoglobinopathy or intrinsic RBC defect causing anemia
  • Total splenectomy
  • Hematopoietic cell transplant within past 2 years (MF) or 10 years (MDS)
  • Current anemia from iron, B12, or folate deficiency, infection, or bleeding
  • Active immune-mediated hemolytic anemia
  • Symptomatic bleeding causing significant hemoglobin drop or transfusion in past 6 months
  • Major surgery within 8 weeks prior to screening or incomplete recovery
  • Recent malignancy within 3 years except certain skin, cervical, or prostate cancers
  • Stroke, deep vein thrombosis, or embolism within 3 months (MF) or 6 months (MDS)
  • Known allergy to study drug excipients
  • History of anti-drug antibody formation
  • Uncontrolled heart disease (NYHA class 3 or 4) or low left ventricular ejection fraction
  • Active hepatitis B or C, or HIV with detectable viral load
  • Uncontrolled infections despite treatment
  • Recent iron chelation therapy or anticoagulant changes
  • Peripheral blood myeloblasts 10% (MF) or 5% (MDS)
  • Positive direct antiglobulin test with reactive RBC eluate
  • Pregnant or lactating
  • Conditions or medications interfering with study data
  • Participation in other investigational studies within 30 days of screening

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 25 locations

1

City of Hope - Duarte

Duarte, California, United States, 91010

Actively Recruiting

2

City of Hope - Lennar

Irvine, California, United States, 92618

Actively Recruiting

3

University of Colorado Anschutz Medical Campus

Aurora, Colorado, United States, 80045

Actively Recruiting

4

Mayo Clinic Jacksonville

Jacksonville, Florida, United States, 32224

Actively Recruiting

5

Sylvester Cancer Center - U Miami

Miami, Florida, United States, 33136

Actively Recruiting

6

Moffitt Cancer Center

Tampa, Florida, United States, 33612

Actively Recruiting

7

Emory Winship Cancer Institute

Atlanta, Georgia, United States, 30322

Actively Recruiting

8

University of Michigan

Ann Arbor, Michigan, United States, 48109

Actively Recruiting

9

Mayo Clinic Rochester

Rochester, Minnesota, United States, 55905

Actively Recruiting

10

Washington University St.Louis

St Louis, Missouri, United States, 63110

Actively Recruiting

11

Memorial Sloan Kettering Cancer Center

New York, New York, United States, 10021

Actively Recruiting

12

Icahn School of Medicine at Mount Sinai

New York, New York, United States, 10029

Actively Recruiting

13

Atrium Health Wake Forest Baptist

Winston-Salem, North Carolina, United States, 27157

Actively Recruiting

14

Gabrail Cancer Center Research

Canton, Ohio, United States, 44718

Terminated

15

Cleveland Clinic

Cleveland, Ohio, United States, 44195

Actively Recruiting

16

The Ohio State University

Columbus, Ohio, United States, 43201

Actively Recruiting

17

Oregon Health and Science University

Portland, Oregon, United States, 97239

Actively Recruiting

18

Sargon Research - Pennsylvania Cancer Specialists and Research Center

Gettysburg, Pennsylvania, United States, 17325

Withdrawn

19

University of Pennsylvania

Philadelphia, Pennsylvania, United States, 19104

Actively Recruiting

20

MD Anderson

Houston, Texas, United States, 77030

Actively Recruiting

21

University of Washington

Seattle, Washington, United States, 98109

Actively Recruiting

22

Medical College of Wisconsin

Milwaukee, Wisconsin, United States, 53226

Actively Recruiting

23

Linear Clinical Research

Nedlands, Australia, 6009

Actively Recruiting

24

St. Vincent's Hospital

Sydney, Australia, 2010

Actively Recruiting

25

Perth Blood Institute

West Perth, Australia, 6005

Actively Recruiting

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Research Team

D

Disc Medicine Clinical Trials

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

SEQUENTIAL

Primary Purpose

TREATMENT

Number of Arms

2

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