Study of Azacitidine in Combination With Pembrolizumab in R/R AML Patients and in Newly Diagnosed Older Patients

Completed · Phase 2

Conditions studied: Acute Myeloid Leukemia

In brief

This is a multicenter, nonrandomized, open-label phase 2 study (with a safety run-in phase) of azacitidine (AZA) 75 mg/m2 given IV or SQ on days 1-7 every 28 days in combination with pembrolizumab 200 mg given IV every 3 weeks (starting on day 8 of cycle 1). The dose/schedule of AZA selected for this study is FDA approved for patients with MDS/AML.

Key facts

Study ID

NCT02845297

Run by

Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

People needed

67

Starts

2016-07-01

Expected to finish

2022-12-01

Last updated by the study team

2023-03-09

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Cohort #1
• Have histologically or cytologically confirmed relapsed or refractory AML (i.e. ≥5% blasts by manual differential on bone marrow aspirate/biopsy/flow cytometry), excluding acute promyelocytic leukemia (APL; FAB M3; t(15;17))
• Be willing and able to provide written informed consent/assent for the trial.
• Be > 18 years of age on day of signing informed consent.
• Not be appropriate candidate for intensive salvage chemotherapy due to co-morbidities or other disease- or treatment-related factors.
• NOTE: Subjects who received prior treatment with hypomethylating agents either for Myelodysplastic Syndrome (MDS), Myeloproliferative Neoplasm (MPN), or AML will be eligible if they achieved response to hypomethylating agents in the past (PR or CR) and did not progress while receiving therapy with hypomethylating agents.
• NOTE: Subjects who had prior allogeneic stem cell transplant (alloHSCT) will be eligible as long as they have been at least 3 months after allogeneic HSCT and are off of all immune suppression for at least 3 weeks (>21 days) and have no evidence of active graft versus host disease (GVHD). Subjects with prior alloHSCT will NOT be eligible for enrollment during the safety run in phase.
• Demonstrate adequate organ function as defined in Table 1, all screening labs should be performed within 14 days of treatment initiation.
• ECOG performance status ≤ 2.
• A projected life expectancy of at least 12 weeks.
• Female subject of childbearing potential should have a negative urine or serum pregnancy within 72 hours prior to receiving the first dose of study medication. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required.
• Female subjects of childbearing potential (Section 5.8.2) must be willing to use an adequate method of contraception as outlined in Section 5.8.2 - Contraception, for the course of the study through 120 days after the last dose of study medication.
• Note: Abstinence is acceptable if this is the usual lifestyle and preferred contraception for the subject.
• Male subjects of childbearing potential (Section 5.8.2) must agree to use an adequate method of contraception as outlined in Section 5.8.2- Contraception, starting with the first dose of study therapy through 120 days after the last dose of study therapy.
• Note: Abstinence is acceptable if this is the usual lifestyle and preferred contraception for the subject.
• As determined by the enrolling physician or protocol designee, ability of the patient to understand and comply with study procedures for the entire length of the study.
• Cohort #2
• Have histologically and cytologically confirmed newly diagnosed AML (i.e. ≥ 20% blasts by manual differential on bone marrow aspirate/biopsy and/or in peripheral blood), excluding acute promyelocytic leukemia (APL; FAB M3, t (15;17))
• Be willing and able to provide written informed consent/assent for the trial.
• Be ≥65 years of age on day of signing informed consent.
• Have received NO prior treatment for AML with the exception of hydroxyurea/leukapheresis.
• NOTE: Subjects may have been treated for pre-existent myeloid disorder such as Myelodysplastic Syndrome or Myeloproliferative Neoplasm excluding hypomethylating agents.
• Demonstrate adequate organ function as defined in Table 1, all screening labs should be performed within 14 days of treatment initiation.
• ECOG performance status ≤ 2.
• A projected life expectancy of at least 12 weeks.

You may not qualify if…

• Cohort #1
• Is currently participating and receiving study therapy or has participated in a study of an investigational agent and received study therapy or used an investigational device within 4 weeks of the first dose of treatment.
• NOTE: Subjects who were treated on a clinical study of allogeneic stem cell transplant (alloHSCT) will be eligible if they are at least 3 months after allogeneic HCT and are at least 3 weeks (>21 days) off of all immune suppression and have no evidence of active GVHD (physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency is allowed). Subjects with prior alloHSCT will not be eligible for enrollment during the safety run in phase.
• Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of trial treatment.
• Has a known history of active TB (Bacillus Tuberculosis)
• Hypersensitivity to pembrolizumab or any of its excipients.
• Has had a prior anti-cancer monoclonal antibody (mAb) within 4 weeks prior to study Day 1 or who has not recovered (i.e., ≤ Grade 1 or at baseline) from adverse events due to agents administered more than 4 weeks earlier.
• Has had prior chemotherapy, targeted small molecule therapy, or radiation therapy within 2 weeks or growth factors within 1 week prior to study Day 1 or who has not recovered (i.e., ≤ Grade 1 or at baseline) from adverse events due to a previously administered agent.
• Note: Subjects with ≤ Grade 2 neuropathy are an exception to this criterion and may qualify for the study.
• Note: If subject received major surgery, they must have recovered adequately from the toxicity and/or complications from the intervention prior to starting therapy.
• Has a known additional malignancy that is progressing or requires active treatment. Exceptions include basal cell carcinoma of the skin or squamous cell carcinoma of the skin that has undergone potentially curative therapy or in situ cervical cancer.
• Has known active central nervous system (CNS) leukemia. Subjects with previously treated CNS leukemia may participate provided that they have documented clearance of CNS leukemia and are not actively treated with intrathecal chemotherapy.
• Has active autoimmune disease that has required systemic treatment in the past 2 years (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (eg., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment. Subjects that require intermittent use of bronchodilators or local steroid injections will not be excluded from the study.
• Has known history of, or any evidence of active, non-infectious pneumonitis.
• Has an active uncontrolled infection requiring systemic therapy (viral, bacterial or fungal). Patients with infection under active treatment and controlled with antibiotics are eligible.
• Has a white blood cell count > 30 x 109/L. NOTE: Leukapheresis and Hydroxyurea is permitted to meet this criterion and should be stopped ≥12 hours before starting treatment on the study.
• Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject's participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating investigator.
• Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.
• Is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the pre-screening or screening visit through 120 days after the last dose of trial treatment.
• Has received prior therapy with an anti-PD-1, anti-PD-L1, or anti-PD-L2 agent.
• Has a known history of Human Immunodeficiency Virus (HIV) (HIV 1/2 antibodies).
• Has known active Hepatitis B (e.g., HBsAg reactive) or Hepatitis C (e.g., HCV RNA [qualitative] is detected).
• Has received a live vaccine within 30 days of planned start of study therapy. Note: Seasonal influenza vaccines for injection are generally inactivated flu vaccines and are allowed; however intranasal influenza vaccines (e.g., Flu-Mist®) are live attenuated vaccines, and are not allowed.
• Cohort #2
• Has received treatment with hypomethylating agent for pre-existent myeloid disorder such Myelodysplastic Syndrome (MDS) or Myeloproliferative Neoplasm (MPN).

Where it is running

• Johns Hopkins Oncology Center — Baltimore, Maryland, United States
• University of North Carolina Lineberger Comprehensive Cancer Center — Chapel Hill, North Carolina, United States
• Medical University of South Carolina Hollings Cancer Center — Charleston, South Carolina, United States

Full record on ClinicalTrials.gov

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