E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
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E.1.1.1 | Medical condition in easily understood language |
Myelodysplastic syndrome (MDS) is a group of disorders in which the red blood cells, white blood cells and platelets produced by the bone marrow do not grow and mature normally |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10028533 |
E.1.2 | Term | Myelodysplastic syndrome |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.3 | Condition being studied is a rare disease | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
The primary efficacy objective of this clinical trial is
• To compare the overall survival (OS) of patients in the rigosertib group vs the Physician’s Choice group, in all patients and in a subgroup of patients with IPSS-R very high risk |
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E.2.2 | Secondary objectives of the trial |
Secondary efficacy objectives:
To compare rigosertib vs Physician’s Choice with regard to the following:
o Overall survival of patients with monosomy 7 chromosomal aberrations
o Overall survival of patients with trisomy 8 chromosomal aberrations
o Overall response according to 2006 International Working Group (IWG) criteria
o Quality-of-life (QoL) scores using the EuroQol EQ-5D Questionnaire
o Overall bone marrow blast response according to 2006 IWG criteria
o Hematologic improvement (HI) (erythroid, platelet or neutrophil response) according to 2006 IWG criteria
Exploratory Objectives:
Evaluation of the following:
• Bone marrow genomic mutational status
• Transformation time to AML
Safety objectives:
• To evaluate the safety and tolerability of rigosertib administered as 72-hour CIV infusions versus PC.
• Rigosertib population pharmacokinetics (PK) |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
a. 18-81 years of age;
b. Disease classification and cytogenetics confirmed within 8 weeks prior to or during screening as follows:
• RAEB-1 per World Health Organization (WHO) MDS criteria (5% to <10% BM blasts)
• RAEB-2 per WHO MDS criteria (10% to <20% BM blasts)
• RAEB-t per modified French-American-British (FAB) classification (20% to 30% BM blasts)
c. At least one cytopenia (ANC < 1800/μL or platelet count < 100,000/μL or hemoglobin [Hgb] < 10 g/dL)
d. Progression (according to 2006 IWG criteria) at any time after initiation of AZA or DAC treatment or
Failure to achieve complete or partial response or hematological improvement (HI) (according to 2006 IWG) after at least six 4-week cycles of AZA or either four 4-week or four 6-week cycles of DAC administered or
Relapse after initial complete or partial response or HI (according to 2006 IWG criteria) or
Intolerance to AZA or DAC
e. Total duration of prior HMA therapy ≤ 9 months and/or total ≤ 9 cycles of prior HMA therapy in ≤ 12 months
f. Last dose of AZA or DAC within 6 months before the planned date of randomization; however, must be off these treatments for ≥ 4 weeks before randomization
g. Has failed to respond to, relapsed following, not eligible for, or opted not to participate in allogeneic stem cell transplantation
h. Off all treatments for MDS (including AZA and DAC) for ≥ 4 weeks before randomization; growth factors (G-CSF, erythropoietin and TPO) and transfusions are allowed before and during the study as clinically indicated
i. Patients with 5q- syndrome should have failed to respond to or progressed on treatment with lenalidomide, where available and indicated
j. Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1 or 2
k. Willing to adhere to the prohibitions and restrictions specified in this protocol
l. Patient must sign an Informed Consent Form indicating that the patient understands the purpose of and procedures required for the study and is willing to participate in the study. In case a patient is incapable of giving consent, the patient’s legally authorized representative (as defined by local regulation) must give consent. However, should the patient in any manner indicate the will not to participate this takes precedence and must be respected. |
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E.4 | Principal exclusion criteria |
a. Previous participation in a clinical study of IV or oral rigosertib; patients who failed screening for other rigosertib studies may be screened for participation in this study
b. Eligible to receive induction chemotherapy, such as 7-10 days of cytosine arabinoside and 2-3 days of an anthracycline, or high-dose cytarabine (HDAC)
c. Patient previously diagnosed with AML (defined as a bone marrow or peripheral blood blast percentage >30%)
d. Suitable candidate to receive allogeneic stem cell transplantation; patient is eligible for study if a suitable candidate refuses to undergo an allogeneic stem cell transplant or a suitable donor cannot be found
e. Any active malignancy within the past year, except basal cell or squamous cell skin cancer or carcinoma in situ of the cervix or breast
f. Uncontrolled intercurrent illness including, but not limited to, symptomatic congestive heart failure or unstable angina pectoris
g. Active infection not adequately responding to appropriate therapy
h. Total bilirubin ≥1.5 mg/dL not related to hemolysis or Gilbert’s disease
i. Alanine transaminase (ALT)/aspartate transaminase (AST) ≥2.5 x upper limit of normal (ULN)
j. Serum creatinine ≥2.0 mg/dL or eGFR (estimated Glomerular Filtration Rate) <40 mL/min
k. Known active HIV, hepatitis B or hepatitis C, where active is defined as follows:
a. HIV or Hepatitis C – presence of viral load
b. Hepatitis B – antigen positive
l. Uncorrected hyponatremia (defined as serum sodium value of <130 mEq/L)
m. Female patients of child-bearing potential (pre-menopausal and not surgically sterilized) who are breast-feeding or have a positive blood beta-human chorionic gonadotropin (β-HCG) pregnancy test at Screening
n. Female patients of child-bearing potential and male patients with sexual partners of child-bearing potential who are unwilling to follow strict contraception requirements before entry and throughout the study, up to and including the 30-day non-treatment follow-up period
Examples of acceptable contraception methods include:
− estrogen-gestagen based contraceptives associated with inhibition of ovulation (oral, intravaginal, transdermal),
− gestagen-only based contraceptives associated with inhibition of ovulation (oral, injectable, implantable),
− intra-uterine devices (IUDs),
− intra-uterine hormone-releasing systems (IUSs),
− bilateral tubal occlusion
− vasectomized partner
− sexual abstinence in accordance with an individual's lifestyle
o. Major surgery without full recovery or major surgery within 3 weeks before planned randomization
p. Uncontrolled hypertension
q. New onset seizures (within 3 months before planned randomization) or poorly controlled seizures
r. Any other concurrent investigational agent or chemotherapy, radiotherapy, immunotherapy, or corticosteroids (prednisone up to 20 mg/day or its equivalent is permitted for chronic conditions)
s. Treatment with cytarabine at any dose, lenalidomide, or any other therapy targeted to the treatment of MDS (other than growth factors and other supportive care measures) within 4 weeks of planned randomization
t. Investigational therapy within 4 weeks of planned randomization
u. Psychiatric illness or social situation that would limit the patient’s ability to tolerate and/or comply with study requirements. |
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary efficacy endpoints are overall survival of all randomized patients (ITT population), and overall survival of patients scored as IPSS-R very high risk. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
at each individual patient's death |
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E.5.2 | Secondary end point(s) |
• Overall survival of patients with monosomy 7 chromosomal aberrations
• Overall survival of patients with trisomy 8 chromosomal aberrations
• Overall response rate according to 2006 IWG criteria
• Quality-of-life scores using the EuroQol EQ-5D Questionnaire
• Bone marrow blast response rate according to 2006 IWG criteria
• Hematologic improvement (erythroid, platelet, or neutrophil response rates) according to 2006 IWG criteria.
• Worst-grade adverse events (AEs)
• Deaths, other serious AEs, and other AEs leading to discontinuation of study treatment
• Worst-grade laboratory abnormalities |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | Yes |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
Physician’s Choice of Treatment |
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E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 82 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Australia |
Austria |
Belgium |
Canada |
Croatia |
Czech Republic |
France |
Germany |
Ireland |
Israel |
Italy |
Japan |
Netherlands |
Poland |
Spain |
Sweden |
Switzerland |
United Kingdom |
United States |
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E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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Patients will be treated until until 2006 IWG progression criteria are met (ie, 50% increase of BM blasts or worsening of cytopenias).
The end of the trial is given by the last patient's death. |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 1 |
E.8.9.1 | In the Member State concerned months | 5 |
E.8.9.1 | In the Member State concerned days | 10 |
E.8.9.2 | In all countries concerned by the trial years | 2 |
E.8.9.2 | In all countries concerned by the trial months | 11 |
E.8.9.2 | In all countries concerned by the trial days | 11 |