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Tazemetostat in Treating Patients with Recurrent Ovarian or Endometrial Cancer

Status
Temporarily Closed
Cancer Type
Ovarian Cancer
Uterine Cancer
Trial Phase
Phase II
Eligibility
18 Years and older, Female
Study Type
Treatment
NCT ID
NCT03348631
Protocol IDs
NRG-GY014 (primary)
NRG-GY014
NCI-2017-02147
Study Sponsor
NRG Oncology

Summary

This phase II trial studies how well tazemetostat works in treating patients with ovarian or endometrial cancer that has come back (recurrent). Chemotherapy drugs, such as tazemetostat, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading.

Objectives

PRIMARY OBJECTIVE:
I. To assess the clinical activity (overall response rate) of tazemetostat in patients with recurrent or persistent endometrioid or clear cell ovarian carcinoma, and patients with recurrent or persistent endometrioid endometrial adenocarcinoma.

SECONDARY OBJECTIVES:
I. To examine the nature and degree of toxicity in this patient population treated with this regimen.
II. To examine the progression free survival and overall survival for this patient population receiving tazemetostat.
III. To evaluate BAF250a expression in patient samples as an indicator of ARID1A mutation status and correlation with the clinical response to study drug.

EXPLORATORY OBJECTIVES:
I. Translational Research Integrated Objective: Whether or not the patient has an ARID1A mutation. (08/13/2019)
II. To examine the correlation between ARID1A mutation and BAF250a expression and to identify potential mutations predictive of response in patients with preserved BAF250a expression.

OUTLINE:
Patients receive tazemetostat orally (PO) twice daily (BID) on days 1-28. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up every 3 months for 2 years and then every 6 months for 3 years.

Eligibility

  1. Pathologically (histologically or cytologically) proven diagnosis of recurrent or persistent ovarian endometrioid or clear cell carcinoma, OR recurrent or persistent endometrioid endometrial adenocarcinoma; patients with recurrent endometrial cancer must have mismatch repair (MMR) immunohistochemistry completed; if they are found to be mismatch repair deficient, they should be offered treatment with immune checkpoint inhibition before consideration for treatment on trial; primary ovarian tumors must be at least 50% endometrioid or clear cell morphology, or have histologically documented recurrence with at least 50% endometrioid or clear cell morphology; institutional pathology reports must be provided indicating at least 50% endometrioid or clear cell morphology for ovarian tumors (primary or recurrent lesions)
  2. All patients must have measurable disease as defined by Response Evaluation Criteria in Solid Tumors (RECIST) version (v) 1.1; measurable disease is defined as at least one lesion that can be accurately measured in at least one dimension (longest diameter to be recorded); each lesion must be >= 10 mm when measured by computed tomography (CT), magnetic resonance imaging (MRI) or caliper measurement by clinical exam; or >= 20 mm when measured by chest x-ray; lymph nodes must be > 15 mm in short axis when measured by CT or MRI
  3. Patients must have had at least one, but no more than 3, prior cytotoxic regimens for management of primary disease; unlimited prior hormonal therapy, targeted therapy (including immunotherapy) or antiangiogenic therapy will be permitted
  4. Patients must have completed prior therapy: * Chemotherapy: cytotoxic ** At least 28 days since last dose of chemotherapy prior to registration. * Chemotherapy: nitrosoureas ** At least 6 weeks since last dose of chemotherapy prior to registration. * Chemotherapy: non-cytotoxic (e.g. small molecule inhibitor) ** At least 28 days since last dose of chemotherapy prior to registration. * Monoclonal antibody(ies) ** At least 28 days since last dose of monoclonal antibody prior to registration. * Immunotherapy ** At least 28 days since last dose of immunotherapy prior to registration. * Radiotherapy (RT) ** At least 14 days from last local site RT prior to registration. ** At least 21 days from stereotactic radiosurgery prior to registration. ** At least 12 weeks from craniospinal, >= 50% radiation of pelvis or total body irradiation prior to registration. ** Patients with central nervous system (CNS) disease should demonstrate evidence of stabilization after the 28-day time point after definitive treatment. ** Full recovery of radiation related side effects prior to registration. ** All subjects must have evidence of measurable disease outside of the radiation field at the time of registration.
  5. Appropriate stage for study entry based on the following diagnostic workup: * History/physical examination within 14 days prior to registration * Imaging of the chest, abdomen and pelvis within 28 days prior to registration
  6. Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1 or 2 within 14 days prior to registration
  7. Platelets >= 100,000/mcl (within 14 days prior to registration)
  8. Absolute neutrophil count (ANC) >= 1,500/mcl (within 14 days prior to registration)
  9. Hemoglobin (Hgb) >= 8 g/dL (within 14 days prior to registration)
  10. Differential with no clinically significant morphologic abnormalities on complete blood count (CBC) testing; manual differential is encouraged, if clinically indicated, and in cases where an automated differential is abnormal (within 14 days prior to registration)
  11. Creatinine =< 1.5 x institutional/laboratory upper limit of normal (ULN) (within 14 days prior to registration)
  12. Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) =< 3 x ULN (within 14 days prior to registration)
  13. Total serum bilirubin level =< 1.5 x ULN; direct bilirubin =< ULN for subjects with total bilirubin > 1.5 x ULN (patients with isolated indirect bilirubin elevations and a history of Gilbert’s syndrome are eligible) (within 14 days prior to registration)
  14. Women of childbearing potential must be willing and able to use adequate contraception (hormonal and barrier method of birth control; abstinence) prior to study entry, for the duration of study participation, and for 30 days after the last dose of study agent; should a woman become pregnant or suspect she is pregnant while she is participating in this study, she should inform her treating physician immediately; theoretically, CYP3A induction with tazemetostat use may result in the loss of efficacy in hormonal contraceptives, thus a barrier method of contraception must be used in addition to hormonal contraceptives due to the potential drug-drug interaction with tazemetostat
  15. The patient or a legally authorized representative must provide study-specific informed consent and authorization permitting release of personal health information prior to study entry
  16. Patients with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial
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