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Single-Arm Study of the Efficacy and Safety of Oral Rigosertib in Patients With Myelofibrosis (MF) and Anemia

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT02730884
Recruitment Status : Completed
First Posted : April 7, 2016
Last Update Posted : August 30, 2019
Sponsor:
Collaborator:
Onconova Therapeutics, Inc.
Information provided by (Responsible Party):
M.D. Anderson Cancer Center

Tracking Information
First Submitted Date  ICMJE March 24, 2016
First Posted Date  ICMJE April 7, 2016
Last Update Posted Date August 30, 2019
Actual Study Start Date  ICMJE August 16, 2017
Actual Primary Completion Date August 22, 2019   (Final data collection date for primary outcome measure)
Current Primary Outcome Measures  ICMJE
 (submitted: April 6, 2016)
  • Change in Spleen Volume [ Time Frame: Baseline and 48 weeks ]
    Spleen response defined as ≥ 35% spleen volume reduction from Baseline, which must be confirmed by MRI or CT measurement per revised International Working Group for Myelofibrosis Research and Treatment (IWG MRT) response criteria.
  • Change in Anemia Response [ Time Frame: Baseline and 48 weeks ]
    Anemia response defined as the proportion of transfusion-independent patients with Hgb increase of at least 2 g/dL from Baseline or the proportion of transfusion-dependent patients becoming transfusion independent for at least 12 weeks as defined in 2013 International Working Group for Myelofibrosis Research and Treatment (IWG-MRT) criteria.
Original Primary Outcome Measures  ICMJE Same as current
Change History
Current Secondary Outcome Measures  ICMJE
 (submitted: April 6, 2016)
Symptoms Response [ Time Frame: 48 weeks ]
Symptoms response defined as the proportion of patients achieving ≥ 50% reduction in the Myeloproliferative Neoplasm Symptom Assessment Form Total Symptom Score (MPN-SAF TSS) at any time before Week 48.
Original Secondary Outcome Measures  ICMJE Same as current
Current Other Pre-specified Outcome Measures Not Provided
Original Other Pre-specified Outcome Measures Not Provided
 
Descriptive Information
Brief Title  ICMJE Single-Arm Study of the Efficacy and Safety of Oral Rigosertib in Patients With Myelofibrosis (MF) and Anemia
Official Title  ICMJE A Phase II Single-Arm Study of the Efficacy and Safety of Oral Rigosertib in Patients With Myelofibrosis (MF) and Anemia
Brief Summary

The goal of this clinical research study is to learn if rigosertib can help to control MF in patients with anemia. The safety of this drug will also be studied.

This is an investigational study. Rigosertib is not FDA-approved or commercially available. It is currently being used for research purposes only. The study doctor can explain how the study drug is designed to work.

Up to 35 participants will be enrolled in this study. All will be enrolled at MD Anderson.

Detailed Description

Study Drug Administration:

If participant is found to be eligible to take part in this study, participant will take rigosertib capsules by mouth 2 times each day (1 morning dose, 1 afternoon dose) for 48 weeks. Participant will take participant's morning dose on an empty stomach. Participant's afternoon dose should be taken at about 3:00 pm (±1 hour), at least 2 hours after lunch. Participant should drink at least a ½ gallon of water each day. Rigosertib should be refrigerated.

Participant will also be given a study drug diary. Participant should write down each dose of study drug that participant takes, when participant takes it, and if participant misses or vomit any doses. If participant misses or vomits a dose of rigosertib, participant should not make up the dose. Participant should take the next scheduled dose as planned. Every 4 weeks for 12 weeks, then every 8 weeks thereafter, participant should bring any leftover rigosertib capsules and participant's study drug diary with participant to the clinic.

Study Visits:

On Cycle 1 Day 1:

  • Participant will have a physical exam.
  • Blood (about 2-3 teaspoons) and urine will be collected for routine tests.
  • Blood (about 2 teaspoons) will be drawn for pharmacokinetic (PK) testing about 1 hour after participant's dose of study drug. PK testing measures the amount of study drug in the body at different time points.
  • Participant will complete a questionnaire about participant's quality of life. It should take about 10-15 minutes.
  • If the doctor thinks it is needed, participant will have a computed tomography (CT) or magnetic resonance imaging (MRI) scan to check the status of the disease.

Each week, blood (about 2-3 teaspoons) will be drawn for routine tests. If the study doctor approves it, participant may have these weekly blood draws at a local lab closer to participant's home. The results from these routine tests will be sent to the study doctor.

On Day 1 of Week 4, blood (about 2 teaspoons each time) will be drawn for PK testing before and 1 hour after participant's dose of study drug.

At Weeks 24 and 48 (± 1 week):

  • Participant will have a bone marrow aspirate/biopsy performed to check the status of the disease. This sample may also be used for cytogenetic testing.
  • If participant had a CT/MRI scan performed during Week 1, participant will have another CT/MRI scan to check the status of the disease.
  • If participant can become pregnant, urine will be collected for a pregnancy test.

Every 4 weeks until Week 12 and then every 8 weeks after that:

  • Participant will have a physical exam.
  • Blood (about 2-3 teaspoons) and urine will be collected for routine tests.
  • Participant will complete a questionnaire about participant's quality of life.

Length of Study:

Participant may continue taking the study drug for up to 48 weeks. Participant will no longer be able to take the study drugs if the disease gets worse, if intolerable side effects occur, or if participant is unable to follow study directions.

If the doctor thinks it is in participant's best interest, participant may be able to continue taking the study drug after 48 weeks. The study doctor will discuss this with participant.

Participation on the study will be over after the end-of-study visit.

End-of-Study Visit:

About 4 weeks after participant's last dose of study drug, participant will have an end-of-study visit. At this visit:

  • Participant will have a physical exam.
  • Blood (about 2-3 teaspoons) and urine will be collected for routine tests. This routine blood and urine collection will also include a pregnancy test if participant can become pregnant.
Study Type  ICMJE Interventional
Study Phase  ICMJE Phase 2
Study Design  ICMJE Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Condition  ICMJE
  • Leukemia
  • Myelofibrosis
  • Anemia
  • Splenomegaly
Intervention  ICMJE
  • Drug: Rigosertib
    Participants take 560 mg Rigosertib by mouth in the morning (two 280 mg capsules) and 560 mg Rigosertib in the afternoon.
    Other Name: ON 01910.Na
  • Behavioral: Questionnaire
    Quality of life questionnaire completed on Day 1 of Cycle 1. It should take about 10-15 minutes to complete.
    Other Name: Survey
Study Arms  ICMJE Experimental: Rigosertib
Participants receive oral Rigosertib under fasting conditions twice a day on a continuous basis. Quality of life questionnaire completed on Day 1 of Cycle 1.
Interventions:
  • Drug: Rigosertib
  • Behavioral: Questionnaire
Publications * Not Provided

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruitment Information
Recruitment Status  ICMJE Completed
Actual Enrollment  ICMJE
 (submitted: August 26, 2019)
6
Original Estimated Enrollment  ICMJE
 (submitted: April 6, 2016)
35
Actual Study Completion Date  ICMJE August 22, 2019
Actual Primary Completion Date August 22, 2019   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

  1. >/= 18 years of age;
  2. Diagnosis of primary myelofibrosis (PMF) or post-polycythemia vera (post-PV) MF or post-essential thrombocythemia (post-ET) MF based on the World Health Organization (WHO) criteria or the IWG-MRT criteria, which must be confirmed by BM aspirate and/or biopsy within 6 weeks prior to Screening. Measurement of JAK2 V617F allele burden in BM samples, if not done within 6 months prior to Screening, must be provided with the Screening BM biopsy/aspirate report (patients are eligible regardless of JAK2 mutation status);
  3. Anemia or RBC-transfusion dependence defined as follows: a) Anemia: defined for the purpose of this protocol as 1) a hemoglobin level <10 g/L on every determination over 84 days before study-entry, without RBC-transfusions, or 2) a hemoglobin level <10 g/L on a patient that is receiving RBC-transfusions periodically but not meeting criteria for transfusion-dependent patient as defined below. The baseline hemoglobin value for these subjects is the lowest hemoglobin level during the antecedent 84 days; b) RBC-transfusion-dependence: RBC-transfusion-frequency of >/=2 units PRBC/28 days averaged over 84 days immediately pre-study-entry. There must not be any consecutive 42 days without an RBC-transfusion during this interval.
  4. ECOG performance status of 0, 1 or 2;
  5. Willing to adhere to the prohibitions and restrictions specified in this protocol (Notation: the subject's willingness to adhere to prohibitions and restrictions must be clearly communicated in the on-study note);
  6. 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 Criteria:

  1. Ongoing clinically significant anemia due to factors such as known iron, vitamin B12, or folate deficiencies, auto-immune or hereditary hemolysis, or gastrointestinal (GI) bleeding;
  2. Serum ferritin < 50 ng/mL;
  3. Any active malignancy within the past year, except basal cell or squamous cell skin cancer or carcinoma in situ of the cervix or breast; patients with history of prior malignancies should be free of disease for at least 3 years to be eligible for this study.
  4. Uncontrolled intercurrent illness, including, but not limited to symptomatic congestive heart failure, unstable angina pectoris, or cardiac arrhythmia;
  5. Active infection not adequately responding to appropriate therapy;
  6. Direct bilirubin >/= 2.0 mg/dL not related to hemolysis or Gilbert's disease;
  7. Alanine transaminase (ALT) or aspartate transaminase (AST)>/= 2.5 x the upper limit of normal (ULN);
  8. Serum creatinine >/= 2.5 mg/dL;
  9. Ascites requiring active medical management including paracentesis;
  10. Hyponatremia (defined as serum sodium level < 130 mEq/L);
  11. Female patients who are pregnant or lactating;
  12. Patients of childbearing potential (ie, women of childbearing potential and men with female partners of childbearing potential) who are unwilling to follow strict contraception requirements (including 2 reliable methods in combination: 1 non-hormonal, highly-reliable method [diaphragm, condoms with spermicidal foam or jelly, or sterilization] plus 1 additional reliable method [birth control pills, intrauterine device, contraceptive injections, or contraceptive patches]) before entry and throughout the study, up to and including the 30-day non-treatment follow-up period;
  13. Female patients of childbearing potential who have a positive blood or urine pregnancy test at Screening;
  14. Major surgery without full recovery or major surgery within 3 weeks of Screening;
  15. Uncontrolled hypertension (defined as a sustained systolic pressure >/= 160 mmHg and/or a diastolic pressure >/= 110 mmHg);
  16. New onset seizures (within 3 months prior to Screening) or poorly controlled seizures;
  17. Any other concurrent investigational agent or chemotherapy, radiotherapy, or immunotherapy;
  18. Chronic use (> 2 weeks) of corticosteroids (prednisone >/= 10 mg/24 hr equivalent) within 4 weeks of Screening;
  19. Investigational therapy within 2 weeks of Screening;
  20. Psychiatric illness or social situation that would limit the patient's ability to tolerate and/or comply with study requirements.
Sex/Gender  ICMJE
Sexes Eligible for Study: All
Ages  ICMJE 18 Years and older   (Adult, Older Adult)
Accepts Healthy Volunteers  ICMJE No
Contacts  ICMJE Contact information is only displayed when the study is recruiting subjects
Listed Location Countries  ICMJE United States
Removed Location Countries  
 
Administrative Information
NCT Number  ICMJE NCT02730884
Other Study ID Numbers  ICMJE 2014-0546
NCI-2016-00761 ( Registry Identifier: NCI CTRP )
Has Data Monitoring Committee No
U.S. FDA-regulated Product
Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
IPD Sharing Statement  ICMJE Not Provided
Responsible Party M.D. Anderson Cancer Center
Study Sponsor  ICMJE M.D. Anderson Cancer Center
Collaborators  ICMJE Onconova Therapeutics, Inc.
Investigators  ICMJE
Principal Investigator: Jorge Cortes, MD M.D. Anderson Cancer Center
PRS Account M.D. Anderson Cancer Center
Verification Date August 2019

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP