Status:

COMPLETED

Oral Rigosertib in Low Risk MDS Patients Refractory to ESAs

Lead Sponsor:

Traws Pharma, Inc.

Conditions:

Myelodysplastic Syndromes

Eligibility:

All Genders

18+ years

Phase:

PHASE2

Brief Summary

The study will enroll low risk MDS patients who need red blood cell transfusions and who are refractory to or are not using erythropoiesis-stimulating agents. The purpose of the study is to determine ...

Detailed Description

This will be a Phase II, single-arm, multicenter study (approximately 15 centers). Approximately 40 transfusion-dependent patients with Low- or Int-1 risk Myelodysplastic Syndrome (MDS) by Internation...

Eligibility Criteria

Inclusion

  • Diagnosis of MDS according to World Health Organization (WHO) criteria (Appendix 2) or French-American-British (FAB) classification that must be confirmed by bone marrow (BM) aspirate and/or biopsy within 6 weeks prior to Screening.
  • Myelodysplastic syndrome (MDS) classified as Low risk or Int-1 risk, according to International Prognostic Scoring System (IPSS) classification; in addition, patients should never have been classified as Int-2 or High-risk since their MDS was diagnosed;
  • Transfusion dependency defined by transfusion of at least 4 units of Red blood cells (RBC) within 56 days before Screening (pre-transfusion Hgb values values must be ≤ 9 g/dL to be taken into account).
  • Refractory to 8- to 12-week course of Erythropoiesis-stimulating agent (ESA) administered within the past 2 years before enrollment, or erythropoietin (EPO) level ˃ 500 mU/mL and off ESA for at least 8 weeks before Screening.
  • Off all other treatments for MDS (azacitidine, decitabine, lenalidomide, chemotherapy, immunotherapy) for at least 2 weeks prior to Screening.
  • Eastern Cooperative Oncology Group(ECOG) performance status of 0, 1 or 2.
  • Willing to adhere to the prohibitions and restrictions specified in this protocol.
  • The patient must signed an informed consent form (ICF) indicating that s/he understands the purpose of, and procedures required for, the study and is willing to participate.

Exclusion

  • Ongoing clinically significant anemia due to factors such as iron, vitamin B12, or folate deficiencies, auto-immune or hereditary hemolysis, or gastrointestinal (GI) bleeding.
  • Serum ferritin \< 50 ng/mL.
  • Hypoplastic MDS (cellularity \<10%)
  • Any active malignancy within the past year, except basal cell or squamous cell skin cancer or carcinoma in situ of the cervix or breast.
  • Uncontrolled intercurrent illness including, but not limited to, symptomatic congestive heart failure, unstable angina pectoris, or cardiac arrhythmia.
  • Active infection not adequately responding to appropriate therapy.
  • Total bilirubin ≥ 2.0 mg/dL not related to hemolysis or Gilbert's disease.
  • Alanine transaminase (ALT) or aspartate transaminase (AST) ≥ 2.5 x the upper limit of normal (ULN).
  • Serum creatinine ≥ 2.0 mg/dL.
  • Ascites requiring active medical management including paracentesis.
  • Hyponatremia (defined as serum sodium value of \< 130 mEq/L).
  • Female patients who are pregnant or lactating.
  • Patients of childbearing potential who are unwilling to follow strict contraception requirements.
  • Female patients with reproductive potential who do not have a negative blood or urine pregnancy test at Screening.
  • Major surgery without full recovery or major surgery within 3 weeks of Screening.
  • Uncontrolled hypertension (defined as a systolic pressure ≥ 160 mmHg and/or a diastolic pressure ≥ 110 mmHg).
  • New onset seizures (within 3 months prior to the first dose of rigosertib) or poorly controlled seizures.
  • Any other concurrent investigational agent or chemotherapy, radiotherapy, or immunotherapy.
  • Chronic use (˃ 2 weeks) of corticosteroids (˃ 10 mg/24 hr equivalent prednisone) within 4 weeks of Screening.
  • Investigational therapy within 4 weeks of Screening.
  • Allergy to a local anaesthetic.
  • Psychiatric illness or social situation that would limit the patient's ability to tolerate and/or comply with study requirements.

Key Trial Info

Start Date :

July 1 2013

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

May 1 2021

Estimated Enrollment :

45 Patients enrolled

Trial Details

Trial ID

NCT01904682

Start Date

July 1 2013

End Date

May 1 2021

Last Update

June 16 2021

Active Locations (14)

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Page 1 of 4 (14 locations)

1

Stanford University School of Medicine

Stanford, California, United States, 94305

2

Anschutz Cancer Pavilion University of Colorado

Aurora, Colorado, United States, 80045

3

Washington Cancer Institute at Medstar Washington Hospital Center

Washington D.C., District of Columbia, United States, 20010

4

The University of Chicago

Chicago, Illinois, United States, 60637