Status and phase
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About
This is a randomized, open, comparative, multi-centre study which will recruit up to 66 patients. The objective is mainly to explore the safety and feasibility in neo-adjuvant first-line ovarian cancer (including patients with primary peritoneal or fallopian tube adenocarcinoma) of various combinations of durvalumab with chemotherapy with or without tremelimumab.
Full description
The schedule is the following:
• In a first step a run-in phase of 6 patients will be conducted to test the safety and feasibility of the combination of durvalumab with standard carboplatin-paclitaxel chemotherapy.
Cycle 1 : chemotherapy alone (day1) Cycle 2 : chemotherapy + durvalumab (day1) Cycle 3 : chemotherapy + durvalumab (day1)
• In a second step, if first-step was found feasible, a run-in phase of 6 patients will be conducted to test the safety and feasibility of the combination of durvalumab plus tremelimumab with standard carboplatin-paclitaxel chemotherapy.
Cycle 1 : chemotherapy alone (day1) Cycle 2 : chemotherapy + durvalumab + tremelimumab (day1) Cycle 3 : chemotherapy + durvalumab (day1)
After the run-in phase, patients will be randomized in a ratio 1:1 between those included in the durvalumab-chemotherapy expansion phase (arm A) and those included in the durvalumab + tremelimumab-chemotherapy expansion phase (arm B).
This study will also allow to explore the feasibility of a salvage therapy personalized according to the results of interval surgery and type of previous neo-adjuvant therapy.
In those patients who achieved a complete surgical resection at interval debulking surgery, adjuvant treatment will include 3 cycles of durvalumab + chemotherapy and then a follow-up period.
In patients with residual tumor at interval debulking surgery, salvage therapy will depend on the initial treatment arm allocated.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
I-1 Female patients must be ≥ 18 years of age. I-2 Signed informed consent and ability to comply with treatment and follow-up. I-3 Patients with newly histologically confirmed epithelial ovarian cancer (or fallopian tube or primary peritoneal adenocarcinoma).
I-4 Advanced FIGO stage IIIC to IV. I-5 Patients for whom primary debulking surgery has been denied after an evaluation through laparoscopy or laparotomy.
I-6 Patient for whom a neo-adjuvant strategy has been planned. I-7 Interval between diagnosis and enrolment (informed consent signed) ≤ 8 weeks.
I-8 Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1. I-9 Geriatric vulnerability score (GVS) < 3 for patients ≥ 70 years. I-10 Adequate organ and bone marrow function. I-11 Patients not receiving anticoagulant medication who have an International Normalized Ratio (INR) ≤ 1.5 and an Activated ProThrombin Time (aPTT) ≤ 1.5 x ULN. The use of full-dose oral or parenteral anticoagulants is permitted as long as the INR or aPTT is within therapeutic limits (according to site medical standard) and if the patient is on a stable dose of anticoagulants for at least two weeks at the time of randomization.
I-12 As this study will include patients in France, a subject will be eligible for randomization in this study only if either affiliated to, or a beneficiary of, a social category.
Exclusion criteria
E-1 Other malignancy within the last 5 years except: adequately treated non-melanoma skin cancer, curatively treated in situ cancer of the cervix, ductal carcinoma in situ (DCIS).
E-2 Major surgical procedure (defined by the resection of at least one organ including ovary) within 28 days prior to the first dose.
E-3 Any concurrent chemotherapy, investigational product, biological, or hormonal therapy for cancer treatment.
E-4 Previous treatment with immunotherapy, including, but not limited to, anti-CTLA-4, anti-PD-1, anti-PD-L1, or anti-PD-L2 antibodies, or therapeutic anticancer vaccine.
E-5 Active or prior documented autoimmune or inflammatory disorders The following are exceptions to this criterion:
E-6 Current/prior immunosuppressive medication ≤ 14 days before first durvalumab and tremelimumab dose (including, but not limited to, prednisone, dexamethasone, cyclophosphamide, azathioprine, methotrexate, thalidomide, and anti-tumor necrosis factor [TNF] agents) within 2 weeks prior to Cycle 1, Day 1, or anticipated requirement for systemic immunosuppressive medications during the trial.
E-7 Immunocompromised patients, e.g., patients who are known to be serologically positive for human immunodeficiency virus (HIV). Patients with active hepatitis B (defined as having a positive hepatitis B surface antigen [HBsAg] test at screening) or hepatitis C. Patients with past hepatitis B virus (HBV) infection or resolved HBV infection (defined as having a negative HBsAg test and a positive antibody to hepatitis B core antigen [anti-HBc] antibody test) are eligible.
E-8 Uncontrolled diabetes mellitus, uncontrolled hypothyroidism. E-9 Treatment with systemic immunostimulatory agents (including but not limited to interferon-alpha (IFN-α) and interleukin-2 (IL-2) within 4 weeks or five half- lives of the drug (whichever is shorter) prior to Cycle 1, Day 1.
E-10 History of idiopathic pulmonary fibrosis (including pneumonitis), drug-induced pneumonitis, organizing pneumonia (i.e., bronchiolitis obliterans, cryptogenic organizing pneumonia), or evidence of active pneumonitis. Radiation pneumonitis in the radiation field (fibrosis) detected on screening chest CT scan is permitted.
E-11 Signs or symptoms of infection within 2 weeks prior to Cycle 1, Day 1. E-12 Administration of a live, attenuated vaccine within 4 weeks prior to Cycle 1, Day 1 or anticipation that such a live attenuated vaccine will be required during the study. Influenza vaccination should be given during influenza season only (example approximately October to March in the Northern Hemisphere). Patients must not receive live, attenuated influenza.
E-13 Current or recent (within 10 days prior to randomization) chronic use of aspirin > 325 mg/day.
E-14 Prior history of hypertensive crisis (CTC-AE grade 4) or hypertensive encephalopathy.
E-15 Inadequately controlled HTN (defined as systolic blood pressure > 150 mmHg and/or diastolic blood pressure > 100 mmHg on antihypertensive medications).
E-16 Clinically significant (e.g. active) cardiovascular disease, including:
E-17 Previous Cerebro-Vascular Accident (CVA), Transient Ischemic Attack (TIA) or Sub-Arachnoids Hemorrhage (SAH) within 6 months prior to randomization.
E-18 History or evidence of hemorrhagic disorders within 6 months prior to randomization.
E-19 Evidence of bleeding diathesis or significant coagulopathy (in the absence of coagulation).
E-20 History or clinical suspicion of brain metastases or spinal cord compression unless asymptomatic, treated, and stable off steroids and anti-convulsants for at least 1 month prior to entry.
E-21 History or evidence upon neurological examination of central nervous system (CNS) disease, unless adequately treated with standard medical therapy (e.g. uncontrolled seizures).
E-22 Pre-existing motor or sensory neurotoxicity (grade > 1). E-23 Significant traumatic injury within 4 weeks prior to randomization. E-24 Non-healing wound, active ulcer or bone fracture. Patients with granulating incisions healing by secondary intention with no evidence of facial dehiscence or infection are eligible but require 3 weekly wound examinations.
E-25 Current, clinically relevant bowel obstruction, including sub-occlusive disease, related to underlying disease.
E-26 Previous allogeneic bone marrow transplant or previous solid organ transplantation.
E-27 Patients with evidence of abdominal free air not explained by paracentesis or recent surgical procedure.
E-28 Evidence of any other disease, metabolic dysfunction, physical examination finding or laboratory finding giving reasonable suspicion of a disease or condition that contraindicates the use of an investigational drug or puts the patient at high risk for treatment related complications.
E-29 Female patients who are pregnant or breastfeeding or male or female patients of reproductive potential (< 2 years after last menstruation and not surgically sterile) who are not willing to employ effective birth control from screening to 180 days after the last dose of durvalumab + tremelimumab combination therapy or 90 days after the last dose of durvalumab monotherapy, whichever is the longer time period.
E-30 History of severe allergic, anaphylactic, or other hypersensitivity reactions to chimeric or humanized antibodies or fusion proteins.
E-31 Known hypersensitivity or allergy to biopharmaceuticals or to any component of the durvalumab or tremelimumab formulations.
E-32 Known hypersensitivity reaction or allergy to drugs chemically related to carboplatin, paclitaxel, or their excipients that contraindicates the subject's participation.
Primary purpose
Allocation
Interventional model
Masking
69 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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