Clinical trial Recruiting at 1 site Phase1; Phase2 Interventional Ages 18 and up

Ropeginterferon Alfa-2b added to azacitidine in TP53-mutant MDS/AML

Official title: A Phase 1b/2 Study of Ropeginterferon Alfa-2b Added to Azacitidine in MDS/AML With TP53 Mutations

Run by M.D. Anderson Cancer Center · NCT07646821 · Data updated 2026-11-12

This study tests whether adding ropeginterferon alfa-2b to azacitidine helps people with TP53-mutant MDS/AML, by finding an effective dose and looking for tumor response.

Quick facts

PhasePhase1; Phase2
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment30 (estimated)
SponsorM.D. Anderson Cancer Center
Academic / other
Drugs / interventionschemotherapy, Radiation
Locations1 site (Houston, Texas)
StatusRecruiting
StartedOctober 27, 2026
Main results expectedDecember 11, 2028
Study endsDecember 11, 2030
Registry record updatedOctober 16, 2026
Trial IDNCT07646821 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults with TP53-mutant MDS/AML; Cohort 1A includes relapsed/refractory disease with ≥5% blasts, while Cohort 1B includes newly diagnosed patients ≥60 or younger patients meeting criteria for ineligibility for intensive therapy with ≥10% blasts.

Probably not a fit

Patients without TP53 mutations or without eligibility criteria for the cohorts may not benefit from this regimen.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is an interventional trial with Phase 1b/2 components that aims to determine the recommended dose of ropeginterferon alfa-2b when given with azacitidine in adults with TP53-mutant MDS/AML. Cohort 1A will assess safety and establish the RP2D for ropeginterferon as monotherapy in relapsed/refractory disease, while Cohort 1B will evaluate safety and RP2D for the combination with azacitidine in newly diagnosed patients who are not candidates for intensive therapy. Secondary endpoints include rates of complete remission, overall response, MRD negativity, duration of response, overall survival, event-free survival, and HSCT uptake. The study will monitor anti-tumor activity and symptom relief alongside safety to gauge potential benefit. Primary sites are at MD Anderson, with PharmaEssentia as a collaborator.

Why it matters

Potential benefit: If successful, patients could receive a potentially more active treatment option that combines ropeginterferon alfa-2b with azacitidine, aiming to control disease and extend survival.

How similar studies have gone: Previous studies of ropeginterferon and similar interferon-based strategies have shown variable activity; this combination in TP53-mutant disease is investigational but built on prior biologic rationale.

Who can join: the full rules

Show full inclusion / exclusion criteria
Eligibility Criteria

Participants with following:

I) Adult participants with MDS/AML with TP53 aberration

* TP53 aberration defined by:

  * Single TP53 mutation\> 10% VAF
  * \>1 mutation of any VAF, irrespective of cytogenetics or TP53 allele loss
  * Single TP53 mutation 5-10% with complex karyotype and/or TP53 allele loss
* (TP53 mutation will include any known or possible pathogenic missense, truncating or splicing mutations in the UT MD Anderson CLIA lab myeloid NGS panel and validated by molecular pathologist; TP53 allele loss on FISH should be at least \> 5%)

  a. Cohort1A: R/R MDS/AML ≥ 18years of age, irrespective of eligibility of intensive therapy

  i) ≥5% blasts in the bone marrow and/or peripheral blood.

  b.Cohort1B: Newly diagnosed MDS/AML and Ineligible for intensive chemotherapy defined by: i) ≥ 10% blasts ii) Ineligible for intensive chemotherapy
  * Adult patients ≥ 60 years of age, OR
  * Adult patients 18 to 60 years of age with at least one of the following relevant clinical situations/status:
* Eastern cooperative oncology group (ECOG) performance status ≥2
* Clinically significant organ comorbidities, as reflected by at least 1 of:

  * Left ventricular ejection fraction (LVEF) \</= 50%
  * Chronic stable angina or congestive heart failure controlled with medication
  * Creatinine clearance \< 45 ml/min calculated by the Cockcroft-Gault formula or measured by 24 hours' urine collection
  * Impaired pulmonary function: Lung diffusing capacity for carbon monoxide (DLCO) ≤65% of expected
  * Forced expiratory volume in 1 second (FEV1) ≤65% of expected
  * Other contraindication(s) to anthracycline therapy (must be documented).
  * Other comorbidity the investigator judges incompatible with intensive remission induction chemotherapy, which must be documented and approved by the PI.

II) Adequate hepatic function defined by

* Serum AST/ALT ≤ 3 x ULN, unless considered due to leukemic organ involvement.
* Serum total bilirubin \< 2x ULN. Higher levels are acceptable if these can be attributed to ineffective erythropoiesis, leukemia organ involvement or Gilbert's syndrome.
* The teratogenic effect of AZA and ropeginterferon is not well studied. For this reason, women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation.

(Refer to Pregnancy Assessment Policy UT MD Anderson Institutional Policy # CLN1114). This includes all female patients, between the onset of menses (as early as 8 years of age) and 55 years unless the patient presents with an applicable exclusionary factor which may be one of the following:

* Postmenopausal (no menses in greater than or equal to 12 consecutive months).
* History of hysterectomy or bilateral salpingo-oophorectomy.
* Ovarian failure (Follicle Stimulating Hormone and Estradiol in menopausal range, who have received Whole Pelvic Radiation Therapy).
* History of bilateral tubal ligation or another surgical sterilization procedure.

Approved methods of birth control are as follows: Hormonal contraception (i.e. birth control pills, injection, implant, transdermal patch, vaginal ring), Intrauterine device (IUD), Tubal Ligation or hysterectomy, Subject/Partner post vasectomy, Implantable or injectable contraceptives, and condoms plus spermicide.

Not engaging in sexual activity for the total duration of the trial and the drug washout period is an acceptable practice; however periodic abstinence, the rhythm method, and the withdrawal method are not acceptable methods of birth control. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately.

Contraception should be continued for at least 4 months from the last dose of AZA and/or ropeginterferon administration.

• Men treated or enrolled on this protocol must also agree to use adequate contraception, for the duration of study participation, and 4 months after completion of AZA and/or ropeginterferon administration.

III) For patients with evidence of chronic hepatitis B virus (HBV) infection, the HBV viral load must be undetectable on suppressive therapy, if indicated.

IV) Patients with a history of hepatitis C virus (HCV) infection must have been treated and cured. For patients with HCV infection who are currently on treatment, they are eligible if they have an undetectable HCV viral load.

V) Human immunodeficiency virus (HIV)-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial.

VI) Patients with a prior or concurrent malignancy may be eligible after discussion with the investigator/ PI.

VII) Ability to understand and the willingness to sign a written informed consent document.

Exclusion Criteria I) For Cohort 1A and 1B

1. Adult patients with MDS/AML without a known pathogenic TP53 mutation
2. Patients with immediate life-threatening, severe complications of leukemia such as uncontrolled bleeding, pneumonia with hypoxia or shock, and/or disseminated intravascular coagulation.
3. Patient with active uncontrolled systemic fungal, bacterial, or viral infection (defined as ongoing signs/symptoms related to the infection without improvement despite appropriate antibiotics, antiviral therapy, and/or other treatment).
4. Patient with known and untreated major depressive disorder
5. Recent stroke or myocardial infarction (in previous 6 months)
6. Patient with known retinal disease except for known age related macular degeneration
7. Patient with another active cancer warranting therapy. A maintenance therapy for a stable/treated prior cancer is acceptable if it does not interfere with the trial therapy. This needs to be discussed with the PI.
8. Patients who are receiving any other leukemia treatment.
9. Patients who are receiving any other investigational agents.
10. History of allergic reactions attributed to compounds of similar chemical or biologic composition to Ropeginterferon alfa-2b, AZA or other agents used in study.
11. Patients with psychiatric illness/social situations that would limit compliance with study requirements.
12. Pregnant women are excluded from this study because AZA and potentially ropeginterferon has the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with the combination, breastfeeding should be discontinued if the mother is treated with combination. These potential risks may also apply to other agents used in this study.
13. Patients with severe or unstable cardiovascular disease, e.g., uncontrolled hypertension, congestive heart failure (≥ NYHA class 2), serious cardiac arrhythmia, significant coronary artery stenosis, unstable angina).
14. Patients with eGFR \<30 mL/min at screening.
15. Patients with only extramedullary disease

II) For Cohort 1B only (newly diagnosed cohort)

* Treated secondary AML (AML developing after prior exposure to hypomethylating agents, chemotherapy or allogeneic HSCT for previous myeloid disorders like MDS, CMML, other MDS/MPN overlap syndromes)
* Post MPN AML (advanced phase MPN)

Where it's running

  • MD Anderson Cancer Center
    Houston, Texas, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.