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Testing the Addition of an Immunotherapy Drug, Tremelimumab, to the PARP Inhibition Drug, Olaparib, for Recurrent Ovarian, Fallopian Tube or Peritoneal Cancer

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT04034927
Recruitment Status : Active, not recruiting
First Posted : July 29, 2019
Last Update Posted : January 11, 2023
NRG Oncology
Information provided by (Responsible Party):
National Cancer Institute (NCI)

Brief Summary:
This phase II trial studies how well olaparib with or without tremelimumab works in treating patients with ovarian, fallopian tube, or peritoneal cancer that has come back (recurrent). PARPs are proteins that help repair DNA mutations. PARP inhibitors, such as olaparib, can keep PARP from working, so tumor cells can't repair themselves, and they may stop growing. Immunotherapy with monoclonal antibodies, such as tremelimumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Giving olaparib and tremelimumab together may work better than olaparib alone in treating patients with ovarian, fallopian tube, or peritoneal cancer.

Condition or disease Intervention/treatment Phase
Fallopian Tube Endometrioid Tumor Fallopian Tube High Grade Serous Adenocarcinoma Malignant Ovarian Endometrioid Tumor Ovarian High Grade Serous Adenocarcinoma Platinum-Sensitive Fallopian Tube Carcinoma Platinum-Sensitive Ovarian Carcinoma Platinum-Sensitive Primary Peritoneal Carcinoma Primary Peritoneal High Grade Serous Adenocarcinoma Recurrent Fallopian Tube Carcinoma Recurrent Fallopian Tube Endometrioid Adenocarcinoma Recurrent Ovarian Endometrioid Adenocarcinoma Recurrent Ovarian Serous Adenocarcinoma Recurrent Primary Peritoneal Carcinoma Recurrent Primary Peritoneal Endometrioid Adenocarcinoma Drug: Olaparib Biological: Tremelimumab Phase 2

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 58 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase II Randomized Trial of Olaparib Versus Olaparib Plus Tremelimumab in Platinum-Sensitive Recurrent Ovarian Cancer
Actual Study Start Date : October 11, 2019
Actual Primary Completion Date : July 31, 2021
Estimated Study Completion Date : January 9, 2024

Arm Intervention/treatment
Active Comparator: Arm I (olaparib)
Patients receive olaparib PO BID in the absence of disease progression or unacceptable toxicity.
Drug: Olaparib
Given PO
Other Names:
  • AZD 2281
  • AZD-2281
  • AZD2281
  • KU-0059436
  • Lynparza
  • PARP Inhibitor AZD2281

Experimental: Arm II (olaparib, tremelimumab)
Patients receive olaparib as in Arm I. Patients also receive tremelimumab IV over 60 minutes on day 1. Cycles of tremelimumab repeat every 4 weeks for 4 doses and then every 12 weeks for up to 2 years total in the absence of disease progression or unacceptable toxicity.
Drug: Olaparib
Given PO
Other Names:
  • AZD 2281
  • AZD-2281
  • AZD2281
  • KU-0059436
  • Lynparza
  • PARP Inhibitor AZD2281

Biological: Tremelimumab
Given IV
Other Names:
  • Anti-CTLA4 Human Monoclonal Antibody CP-675,206
  • CP-675
  • CP-675,206
  • CP-675206
  • Imjudo
  • Ticilimumab
  • Tremelimumab-actl

Primary Outcome Measures :
  1. Progression free survival (PFS) [ Time Frame: Duration of time from study entry to time of progression per Response Evaluation Criteria in Solid Tumors (RECIST) criteria or death due to any cause, whichever occurs first, assessed up to 5 years ]
  2. Dose-limiting toxicity (DLT) (Safety Lead-In) [ Time Frame: Up to 4 weeks ]
    Descriptive statistics will be used to summarize adverse events (AEs). The primary summary of AEs will present counts and percentages, regardless of whether the AE was attributed to any of the study agents.

  3. RECIST 1.1 response (Efficacy Lead-In) [ Time Frame: Up to 5 years ]
    A logistic model will be used to estimate the relative odds of responding (CR+PR) to olaparib + tremelimumab relative to olaparib after adjusting for BRCA mutation status and prior PARP inhibitor (PARPi) usage.

Secondary Outcome Measures :
  1. Objective response [ Time Frame: Up to 5 years ]
    The objective response rate is the percentage of subjects with a best overall complete response (CR) or partial response (PR) among those with target lesions at the time of enrollment.

  2. Overall survival (OS) [ Time Frame: Time from enrollment and randomization to the date of death due to any cause, assessed up to 5 years ]
    Kaplan-Meier procedures will be used to estimate the cumulative distribution of survival times for each treatment in this population. A proportional hazards model stratified by BRCA status and prior PARPi treatment will be used to estimate the treatment hazard ratio and the corresponding confidence interval.

  3. Incidence of adverse events [ Time Frame: Up to 5 years ]
    Safety data will be summarized for all treated subjects. All adverse events, including severe adverse events (SAEs) and treatment-related adverse events, will be categorized and graded for severity according to National Cancer Institute Common Terminology Criteria for Adverse Events version 5.0.

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patients must have platinum-sensitive, recurrent high-grade serous or high-grade endometrioid (grade 3) ovarian, primary peritoneal, or fallopian tube cancer. Patients with other histologies are also eligible, provided that the patient has a known deleterious germline or somatic BRCA1 or BRCA2 mutation identified through testing at a clinical laboratory. Submission of BRCA testing results (germline and/or somatic) is required for all patients.
  • Platinum-sensitive disease defined as no clinical or radiographic evidence of disease recurrence for > 6 months (or 182 days) after last receipt of platinum-based therapy. The date should be calculated from the last administered dose of platinum therapy.
  • Patients must have had response (complete or partial) to their prior line of platinum therapy and cannot have had progression through prior platinum-based therapy.
  • Patients must have RECIST 1.1 measurable disease. Patients with biochemical recurrence based on CA125 levels alone are not eligible.
  • Prior therapy:

    • Prior chemotherapy must have included a first-line platinum-based regimen with or without consolidation chemotherapy.
    • Prior bevacizumab therapy as a component of frontline or recurrent treatment is permitted.
    • Patients may have received an unlimited number of platinum-based therapies in the recurrent setting.
    • Patients may have received up to one non-platinum-based line of therapy in the recurrent setting. Prior hormonal therapy will not be counted as this non-platinum-based line.
    • Prior treatment with a PARP inhibitor:

      • Patients may not have had a prior PARP inhibitor in the recurrent setting.
      • Prior use of a PARP inhibitor in the upfront maintenance setting is allowed for women with a confirmed BRCA1 or BRCA2 germline or somatic mutation.
      • Women who received a PARP inhibitor for maintenance therapy in the frontline setting must have received at least one other chemotherapy regimen for recurrence prior to enrolling on this trial.
      • Patients who demonstrated disease progression while on a PARP inhibitor are excluded.
    • Prior hormonal-based therapy for ovarian, primary peritoneal, or fallopian tube cancer is acceptable.
  • Age >= 18.
  • Body weight > 30 kg.
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1 or 2
  • Absolute neutrophil count (ANC) >= 1,500/mcl (within 14 days prior to enrollment)
  • Platelets >= 100,000/mcl (within 14 days prior to enrollment)
  • Hemoglobin >= 10 g/dL (within 14 days prior to enrollment)

    • Note: blood transfusions are not permitted within 28 days prior to enrollment
  • Creatinine =< 1.5 x institutional/laboratory upper limit of normal (ULN) (within 14 days prior to enrollment)
  • Total bilirubin =< 1.5 x institutional upper limit of normal (ULN) (within 14 days prior to enrollment)
  • Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) =< 3 times institutional ULN (within 14 days prior to enrollment)
  • Adequately controlled thyroid function, with no symptoms of thyroid dysfunction and thyroid stimulating hormone (TSH) within normal limits. Thyroid replacement therapy is permitted to achieve a TSH within normal limits.
  • Patients must be able to swallow and retain oral medications and not have gastrointestinal illnesses that would preclude absorption of olaparib as judged by the treating physician.
  • Evidence of post-menopausal status or negative urinary or serum pregnancy test for pre-menopausal patients. Women will be considered post-menopausal if they have been amenorrheic for 12 months without an alternative medical cause. The following age-specific requirements apply:

    • Women < 50 years of age would be considered post-menopausal if they have been amenorrheic for 12 months or more following cessation of exogenous hormonal treatments and if they have luteinizing hormone and follicle-stimulating hormone levels in the post-menopausal range for the institution or underwent surgical sterilization (bilateral oophorectomy, bilateral salpingectomy or hysterectomy).
    • Women >= 50 years of age would be considered post-menopausal if they have been amenorrheic for 12 months or more following cessation of all exogenous hormonal treatments, had radiation-induced menopause with last menses > 1 year ago, had chemotherapy-induced menopause with last menses > 1 year ago, or underwent surgical sterilization (bilateral oophorectomy, bilateral salpingectomy or hysterectomy).
    • Administration of study drugs (olaparib, tremelimumab) may have an adverse effect on pregnancy and poses a risk to the human fetus, including embryo-lethality. Women of childbearing potential (WOCBP) must agree to use two (2) highly effective forms of contraception from up to 14 days prior to enrollment (for oral contraceptives), during treatment, and for 6 months after the last dose of study medication.
  • Life expectancy >= 12 weeks.
  • Patients with brain metastases are eligible if follow-up brain imaging after central nervous system (CNS)-directed therapy shows no evidence of progression. Imaging studies must have been completed no later than 14 days prior to enrollment. In addition, patients must have been successfully weaned off steroid support. Patients should not have received steroids for the treatment of brain metastases within 14 days prior to enrollment.
  • Human immunodeficiency virus (HIV)-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial
  • The patient or a legally authorized representative must provide study-specific informed consent prior to study entry and, for patients treated in the United States (U.S.), authorization permitting release of personal health information.

Exclusion Criteria:

  • Active infection requiring antibiotic therapy (except for uncomplicated urinary tract infections), including tuberculosis.
  • Known clinically significant liver disease, including active viral, alcoholic, or other hepatitis; and cirrhosis. For patients with evidence of chronic hepatitis B virus (HBV) infection, the HBV viral load must be undetectable on suppressive therapy, if indicated. 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.
  • Hormonal therapy directed at treatment for the cancer must be discontinued at least 28 days prior to enrollment. Hormone replacement therapy for symptom management is permitted.
  • Any other therapy directed at treating the cancer including chemotherapy, biologic/targeted agents, and immunologic agents, unless discontinued at least 28 days prior to enrollment.
  • Any radiation therapy unless discontinued at least 28 days prior to enrollment.
  • Major surgical procedure within 28 days prior to enrollment.
  • Current or prior use of immunosuppressive medication within 14 days before enrollment. The following are exceptions to this criterion:

    • Intranasal, inhaled, topical steroids, or local steroid injections (i.e. intra-articular injection)
    • Systemic corticosteroids at physiologic doses not to exceed 10mg/day of prednisone or its equivalent
    • Steroids as premedication for hypersensitivity reactions (i.e. computed tomography [CT] scan contrast allergy premedication).
  • Patients with 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 (e.g., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.

    • Patients with autoimmune disease (e.g., psoriasis, extensive atopic dermatitis, severe asthma, inflammatory bowel disease [IBD], multiple sclerosis [M.S.], uveitis, vasculitis) requiring concurrent use of any systemic immunosuppressants or steroids are excluded from the study. Patients with vitiligo, mild, intermittent asthma requiring only occasional beta-agonist inhaler use, or mild localized eczema are eligible.
    • Any patient with an allogeneic (allo)-transplant of any kind is excluded, including xenograft heart valve.
    • Chronic use of immune-suppressive drugs (i.e. systemic corticosteroids) for the management of cancer or non-cancer related illnesses (i.e. chronic obstructive pulmonary disease [COPD]).
    • Note: ongoing steroid use for the management of brain metastases is not permitted.
  • History of allergic reactions attributed to compounds of similar chemical or biologic composition to olaparib or tremelimumab.
  • Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, uncontrolled hypertension, unstable angina pectoris, cardiac arrhythmia, interstitial lung disease, serious chronic gastrointestinal conditions associated with diarrhea, or psychiatric illness/social situations that would limit compliance with study requirements, substantially increase risk of incurring adverse events (AEs) or compromise the ability of the patient to give written informed consent.
  • Subjects must not have evidence of bowel obstruction on imaging or symptoms consistent with a bowel obstruction. Additional workup to rule this out is not required.
  • Known potent CYP3A4 inhibitors or inducers must be discontinued prior to starting treatment.
  • Symptoms associated with toxicities (> Common Terminology Criteria for Adverse Event [CTCAE version (v) 5.] grade 2) caused by prior cancer therapy, excluding alopecia, vitiligo, and the laboratory values defined in the inclusion criteria.

    • Patients with grade >= 2 neuropathy will be evaluated on a case-by-case basis after consultation with the Study Chair.
  • Patients who are receiving any other investigational agent.
  • Resting electrocardiogram (ECG) with corrected QT interval (QTc) > 470 msec on two or more time points within a 24-hour period, or a family history of long QT syndrome. If an initial ECG is within normal limits, a repeat ECG is not required.
  • Patients who have previously received anti-CTLA-4 antibody therapy.
  • Blood transfusions are not permitted within 28 days prior to study enrollment.
  • Patients must not have signs or symptoms suggestive of myelodysplastic syndrome or acute myeloid leukemia.
  • Pregnant or lactating patients
  • Receipt of live attenuated vaccines within 30 days of enrollment. Note: patients, if enrolled, should not receive live vaccines while receiving study treatment and up to 30 days after the last treatment dose. Inactivated vaccines are permitted.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT04034927

Show Show 20 study locations
Sponsors and Collaborators
National Cancer Institute (NCI)
NRG Oncology
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Principal Investigator: Sarah F Adams NRG Oncology
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Responsible Party: National Cancer Institute (NCI) Identifier: NCT04034927    
Other Study ID Numbers: NCI-2019-04829
NCI-2019-04829 ( Registry Identifier: CTRP (Clinical Trial Reporting Program) )
NRG-GY021 ( Other Identifier: NRG Oncology )
NRG-GY021 ( Other Identifier: CTEP )
U10CA180868 ( U.S. NIH Grant/Contract )
First Posted: July 29, 2019    Key Record Dates
Last Update Posted: January 11, 2023
Last Verified: January 2023
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes
Plan Description: NCI is committed to sharing data in accordance with NIH policy. For more details on how clinical trial data is shared, access the link to the NIH data sharing policy page.

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
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Cystadenocarcinoma, Serous
Fallopian Tube Neoplasms
Carcinoma, Endometrioid
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Disease Attributes
Pathologic Processes
Immune System Diseases
Ovarian Neoplasms
Neoplasms by Site
Ovarian Diseases
Adnexal Diseases
Genital Diseases, Female
Female Urogenital Diseases
Female Urogenital Diseases and Pregnancy Complications
Urogenital Diseases
Genital Neoplasms, Female
Urogenital Neoplasms
Genital Diseases
Endocrine System Diseases
Gonadal Disorders
Neoplasms, Cystic, Mucinous, and Serous
Fallopian Tube Diseases
Endometrial Neoplasms