E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Anemia of myelodysplastic syndromes (MDS), inherited hemolytic anemias, and other refractory anemias |
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E.1.1.1 | Medical condition in easily understood language |
Adult patients with very low, low risk, or intermediate risk MDS per the International Prognostic Scoring System-Revised (IPSS-R) classification |
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E.1.1.2 | Therapeutic area | Diseases [C] - Blood and lymphatic diseases [C15] |
MedDRA Classification |
E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To assess hematologic improvement based on an erythroid response (HI E) ≥ 8 weeks duration in patients with MDS after 16 weeks of etavopivat treatment |
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E.2.2 | Secondary objectives of the trial |
• To assess HI-E ≥ 8 weeks duration in this population of patients after 24 and 48 weeks of etavopivat treatment • To assess HI-E ≥ 16 weeks duration in this population of patients after 24 and 48 weeks of etavopivat treatment • To assess the safety and tolerability of etavopivat in patients with MDS • To assess additional measures demonstrating potential clinical benefit
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Patient has provided documented informed consent; the informed consent form (ICF) must be reviewed and signed by each patient prior to any study-related assessments/procedures being conducted. 2. Age ≥ 18 years at time of first dose 3. Patients, if female and of childbearing potential, must agree to use acceptable methods of contraception and agree not to donate ova from study start to 90 days after the last dose of study drug, and who if male are willing to use acceptable methods of contraception and agree not to donate sperm, from study start to 90 days after the last dose of study drug. 4. Documented diagnosis of idiopathic/de novo MDS according to WHO classification that meets IPSS-R classification of very low, low, or intermediate risk disease, and: • < 5% blasts and no Auer rods in bone marrow based on local pathology review • < Intermediate risk cytogenetic abnormalities per IPSS-R 5. Anemia defined as: • NTD: Subjects with mean Hb concentration < 10.0 g/dL of 2 measurements (1 performed within 3 days prior to Day 1 and the other performed 7 to 28 days prior to Day 1, not influenced by RBC transfusion within 7 days of measurement) and < 3 RBC transfusions for anemia in the prior 16 weeks before Day 1 of etavopivat dosing OR • Transfusion dependent: Subjects having received ≥ 3 units of RBCs for the treatment of anemia within 16 weeks prior to Day 1 6. Serum erythropoietin level > 200 U/L, OR, if ≤ 200 U/L, subject is non-responsive, refractory, or intolerant to erythropoiesis-stimulating agents, or erythropoiesis-stimulating agents are contraindicated or unavailable. 7. Eastern Cooperative Oncology Group performance status of ≤ 2 8. Subject is non-responsive, refractory, or intolerant to luspatercept, or luspatercept is contraindicated or not indicated. 9. No alternative treatment options are available and/or appropriate for the subject, at the discretion of the investigator. 10. Patient is willing and able to adhere to the study visit schedule and other protocol requirements
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E.4 | Principal exclusion criteria |
MDS History 1. MDS associated with del 5q cytogenetic abnormality and known TP53 abnormality 2. Therapy-associated MDS (eg. t-MDS) that is known to have arisen as the result of chemical injury or treatment with chemotherapy and/or radiation for other diseases 3. Known history of AML Medical Conditions 4. Female who is breast feeding or pregnant 5. Known clinically significant anemia due to iron, vitamin B12, or folate deficiencies, or autoimmune or hereditary hemolytic anemia, or gastrointestinal bleeding 6. Absolute neutrophil count < 500/µL (0.5 × 109/L) 7. Platelet count < 50,000/µL (50 × 109/L) without transfusion within 2 weeks 8. Hepatic dysfunction characterized by: • Alanine aminotransferase (ALT) > 5.0 × ULN • Total bilirubin > 3.0 × ULN • History of cirrhosis 9. Severe renal dysfunction (estimated glomerular filtration rate at the Screening visit; calculated by the local laboratory < 30 mL/min/1.73 m2) or on chronic dialysis. 10. Patients with clinically significant and active bacterial, fungal, parasitic, or viral infection. • Patients with acute bacterial, fungal, parasitic, or viral infection requiring systemic therapy should delay Screening/ enrollment until active therapy has been completed. • Patients with acute viral infections without available therapies (eg, coronavirus disease 2019 [COVID-19]) should delay Screening/ enrollment until the acute infection has resolved. Note: Infection prophylaxis is allowed (see concomitant medication restrictions). 11. Known human immunodeficiency virus (HIV) positivity 12. Active infection with hepatitis B virus (hepatitis B surface antigen [HepBsAg] and hepatitis B core antibody [HepBcAb] positive) 13. Active hepatitis C infection 14. History of malignancy, other than MDS, within the past 2 years prior to treatment Day 1 requiring systemic chemotherapy and/or radiation. • Patients with malignancy considered surgically cured are eligible (eg, non-melanoma skin cancer, carcinoma in situ of the cervix, or carcinoma in situ of the breast) • Patients with incidental histologic findings of prostate cancer (T1a or T1b) are eligible 15. History of unstable or deteriorating cardiac or pulmonary disease within 6 months prior to consent including but not limited to the following: • Unstable angina pectoris or myocardial infarction or elective coronary intervention • Heart disease, heart failure as classified by the New York Heart Association classification 3 or higher, or significant arrhythmia requiring treatment, • Pulmonary fibrosis or pulmonary hypertension which are clinically significant ie, ≥ Grade 3 National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 4.0 (or higher) 16. Uncontrolled hypertension, defined as repeated elevation of diastolic blood pressure ≥ 100 mmHg despite adequate treatment 17. Any condition affecting drug absorption, such as major surgery involving the stomach or small intestine (prior cholecystectomy is acceptable). Prior/Concomitant Therapy 18. Prior treatment with azacitidine (injectable or oral) or decitabine 19. Use of erythropoietin, other hematopoietic growth factor treatment or lenalidomide within 30 days of starting study treatment or anticipated need for such agents during the study. 20. Prior use of luspatercept: • NTD patients must not have received luspatercept within 30 days prior to Day 1 treatment • TD patients must not have received luspatercept within 16 weeks prior to Day 1 treatment 21. Receiving or use of concomitant medications that are strong inducers of cytochrome P450 (CYP)3A4/5 (see Appendix F) within 2 weeks of starting study treatment or anticipated need for such agents during the study. 22. Prior allogeneic or autologous stem cell transplant 23. Initiation of a new chelation therapy within 3 months before the first dose of study treatment Prior/Concurrent Clinical Study Experience 24. Participated in another clinical trial of an investigational agent (or medical device) within 30 days or 5 half-lives of date of informed consent, whichever is longer, or is currently participating in another trial of an investigational agent (or medical device). Other Exclusions 25. Medical, psychological, or behavioral conditions, which, in the opinion of the Investigator, may preclude safe participation, confound study interpretation, interfere with compliance, or preclude informed consent.
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E.5 End points |
E.5.1 | Primary end point(s) |
• The HI-E ≥ 8 weeks after 16 weeks of etavopivat This endpoint will be based on the combined incidence of: o Non-transfusion dependent (NTD) patients: ≥ 1.5 g/dL increase in Hb from baseline maintained ≥ 8 consecutive weeks o Low transfusion burden (LTB) patients: absence of any transfusion for ≥ 8 consecutive weeks o High transfusion burden (HTB) patients: reduction by ≥ 50% of red blood cell (RBC) units for ≥ 8 consecutive weeks
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
• The HI-E ≥ 8 weeks after 24 and 48 weeks of etavopivat This endpoint will be based on the combined incidence of: o NTD patients: ≥ 1.5 g/dL increase in Hb from baseline maintained ≥ 8 consecutive weeks o LTB patients: absence of any transfusion for ≥ 8 consecutive weeks o HTB patients: reduction by ≥ 50% of RBC units for ≥ 8 consecutive weeks
• The HI-E ≥ 16 weeks after 24 and 48 weeks of etavopivat This endpoint will be based on the combined incidence of: o NTD patients: ≥ 1.5 g/dL increase in Hb from baseline maintained ≥ 16 consecutive weeks o LTB patients: absence of any transfusion for ≥ 16 consecutive weeks o HTB patients: reduction by ≥ 50% of RBC units for ≥ 16 consecutive weeks • Incidence of AEs, serious adverse events (SAEs), and AEs related to etavopivat • Number of premature discontinuations, dose interruptions, and dose reductions • Changes from baseline in vital signs, clinical laboratory assessments, and physical examination findings • Overall response rate (2006 International Working Group [IWG] Criteria) • Duration of response (2006 IWG Criteria) • Reduction in RBC transfusions and rate of RBC transfusion independence in patients with LTB or HTB at study entry • Increase in neutrophils and/or platelets • Decrease in ferritin • Decrease in iron chelation therapy • Overall survival
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Secondary objectives: 24 and 48 weeks
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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 | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
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) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
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 | No |
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 | No |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 5 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 10 |
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 |
Canada |
United States |
France |
Germany |
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E.8.7 | Trial has a data monitoring committee | No |
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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The study will end when all patients who entered the treatment period complete study treatment and the End of Study (EOS) visit or discontinue study participation |
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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 | 4 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 1 |
E.8.9.2 | In all countries concerned by the trial months | 4 |