A Study to Investigate the Efficacy and Safety of Roxadustat (FG-4592) for Treating Anemia in Participants With Myelodysplastic Syndromes (MDS)

July 20, 2026 updated by: Kyntra Bio

A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study Investigating the Efficacy and Safety of Roxadustat (FG-4592) for Treatment of Anemia Due to IPSS-R Very Low, Low, or Intermediate Risk Myelodysplastic Syndromes (MDS) in Participants With High Red Blood Cell Transfusion Burden

The study is designed to determine the efficacy and safety of roxadustat for the treatment of anemia due to very low, low, or intermediate risk MDS in participants with high transfusion burden (HTB).

Study Overview

Status

Not yet recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

201

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact Backup

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Key Inclusion Criteria:

  • Diagnosis of MDS according to World Health Organization (WHO) criteria confirmed by bone marrow aspirate and biopsy within 12 weeks before randomization.
  • Revised International Prognostic Scoring System (IPSS-R) very low, low, or intermediate risk MDS
  • HTB: Participants requiring ≥ 4 units of packed red blood cell (pRBC) in two consecutive 8-week periods prior to randomization
  • Refractory to, intolerant to, or ineligible for prior erythropoiesis-stimulating agents (ESAs).
  • Eastern Cooperative Oncology Group (ECOG) performance status 0, 1 or 2

Key Exclusion Criteria:

  • Pregnant or breastfeeding females
  • Participant has any significant medical illness or is considered vulnerable by local regulations
  • Prior allogeneic or autologous stem cell transplant
  • Major surgery within 8 weeks prior to randomization.

Note: Other protocol-defined inclusion and exclusion criteria may apply.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Roxadustat
Participants will receive roxadustat, administered orally 3 times per week (TIW).
Drug: Roxadustat
Roxadustat will be administered per schedule specified in the arm description.
Other Names:
  • FG-4592
Placebo Comparator: Placebo
Participants will receive placebo matching to roxadustat, administered orally TIW.
Drug: Placebo
Placebo matching to roxadustat will be administered per schedule specified in the arm description.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Percentage of Participants With Red Blood Cell-transfusion Independence (RBC-TI) Over Any Consecutive 56-day Period
Time Frame: Week 1 through Week 24
Week 1 through Week 24

Secondary Outcome Measures

Outcome Measure
Time Frame
Percentage of Participants With RBC-TI Over Any Consecutive 84-day Period
Time Frame: Week 1 through Week 48 or end of treatment (EOT; up to 5 years)
Week 1 through Week 48 or end of treatment (EOT; up to 5 years)
Percentage of Participants With RBC-TI Over Any Consecutive 112-day Period
Time Frame: Week 1 through Week 48 or EOT (up to 5 years)
Week 1 through Week 48 or EOT (up to 5 years)
Percentage of Participants With ≥50% Reduction in Rate of Total Red Blood Cell (RBC) Units Transfused During a 16-week Period
Time Frame: Week 1 through Week 48 or EOT (up to 5 years)
Week 1 through Week 48 or EOT (up to 5 years)
Percentage of Participants With RBC-TI Over Any Consecutive 168-day Period
Time Frame: Week 1 through Week 48 or EOT (up to 5 years)
Week 1 through Week 48 or EOT (up to 5 years)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Kyntra Bio

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

April 1, 2027

Primary Completion (Estimated)

September 1, 2030

Study Completion (Estimated)

December 1, 2032

Study Registration Dates

First Submitted

July 20, 2026

First Submitted That Met QC Criteria

July 20, 2026

First Posted (Actual)

July 23, 2026

Study Record Updates

Last Update Posted (Actual)

July 23, 2026

Last Update Submitted That Met QC Criteria

July 20, 2026

Last Verified

July 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • FGCL-4592-115

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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