MITO 35a: Olaparib Maintenance Therapy in Newly Diagnosed BRCA Wild-type Advanced Ovarian, Fallopian Tube and Primitive Peritoneal Cancer (MITO 35a)

  • STATUS
    Recruiting
  • End date
    Jan 10, 2026
  • participants needed
    200
  • sponsor
    National Cancer Institute, Naples
Updated on 10 March 2022

Summary

This trial is a multicenter, prospective, phase II single arm, open-label trial in which patients with newly diagnosed advanced epithelial ovarian, primitive peritoneal, and fallopian tube cancer BRCA wild type, in partial or complete response to first line platinum-based chemotherapy, receive Olaparib maintenance therapy (300 mg, tablets formulation twice daily).

Details
Condition Olaparib Manintenance Therapy in BRCA 1/BRCA2 Wilde Type Ovarian Cancer Patients
Treatment Olaparib Oral Product
Clinical Study IdentifierNCT05233982
SponsorNational Cancer Institute, Naples
Last Modified on10 March 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Signed informed consent obtained prior to initiation of any study-specific procedures
Female aged≥18 years old on day of signing informed consent
Patients with histologically diagnosed advanced stage III-IV according International Federation of Gynaecology and Obstetrics (FIGO), high grade serous or endometrioid, epithelial ovarian cancer (including primary peritoneal or fallopian tube cancer)
Patients with a complete or partial response to first line platinum-based treatment not including Bevacizumab
Documented absence of somatic and germline mutations of BRCA 1 /2
Patients must have a life expectancy ≥ 16 weeks
Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 to 1, (See Appendix A)
Availability of sufficient formalin-fixed paraffin-embedded (FFPE) tumor tissue from the primary surgery (chemotherapy - naïve patients) for translational analysis. A quality control analysis of samples will be performed before patient's enrollment
Patients must be enrolled within 8 weeks of the first day of the last dose of chemotherapy
Patients must be able to take oral medications
Postmenopausal or evidence of non-childbearing status for women of childbearing potential: negative urine or serum pregnancy test within 28 days of study treatment and confirmed prior to treatment on Day 1 Cycle 1
Postmenopausal is defined as
Amenorrheic for 1 year or more following cessation of exogenous hormonal treatments
Luteinizing hormone (LH) and Follicle stimulating hormone (FSH) levels in the post-menopausal range for women under 50
radiation-induced oophorectomy with last menses >1 year ago
chemotherapy-induced menopause with >1 year interval since last menses
surgical sterilisation (bilateral oophorectomy or hysterectomy)
Women Women of childbearing potential and their partners, who are sexually active
must agree to the use of one highly effective forms of contraception and their
partners must use a male condom (as described in Appendix D). This should be
started from the signing of the informed consent and continue throughout the
period of taking study treatment and for at least 1 month after last dose of
study drug
Patients must have normal organ and bone marrow function measured within 28 days prior to administration of study treatment as defined below
Haemoglobin ≥ 10.0 g/dL with no blood transfusion in the past 28 days
Absolute neutrophil count (ANC) ≥ 1.5 x 109/L; Platelet count ≥ 100 x 109/L
Total bilirubin ≤ 1.5 x institutional upper limit of normal (ULN); Aspartate
aminotransferase (AST) (Serum Glutamic Oxaloacetic Transaminase (SGOT))
Alanine aminotransferase (ALT) (Serum Glutamic Pyruvate Transaminase (SGPT)) ≤
5 x institutional upper limit of normal unless liver metastases are present
in which case they must be ≤ 5x ULN
Patients must have creatinine clearance estimated of ≥51 mL/min using the
Cockcroft-Gault equation or based on a 24-hour urine test
Estimated creatinine clearance = (140-age [years]) x weight (kg) (x F) a
serum creatinine (mg/dL) x 72 a where F=0.85 for females
Willingness and ability to comply with scheduled visits, treatment plan, laboratory
tests, and other trial procedures

Exclusion Criteria

Patients have received Bevacizumab in concomitance with first line platinum-based therapy
Clear cell, mucinous and mixed mullerian tumors/carcinosarcoma, non-epithelial tumors or ovarian tumors with low malignant potential (ie. borderline tumors) are not allowed
Received chemotherapy within 14 days to first dose to study drug and / or persistent toxicities (>Common Terminology Criteria for Adverse Event (CTCAE) version 5.0 grade
caused by previous cancer therapy, excluding alopecia, peripheral neuropathy and related effects of prior chemotherapy that are unlikely to be exacerbated by treatment with study drug
Previous allogenic bone marrow transplant or double umbilical cord blood transplantation (dUCBT)
Whole blood transfusions in the last 120 days prior to entry to the study (packed red blood cells and platelet transfusions are acceptable)
Breast feeding women
Patients with myelodysplastic syndrome/acute myeloid leukaemia or with features suggestive of MDS/AML
Patients considered a poor medical risk due to a serious, uncontrolled medical disorder, non-malignant systemic disease or active, uncontrolled infection [Examples include, but are not limited to, uncontrolled ventricular arrhythmia, recent (within 3 months) myocardial infarction, New York Heart Association (NYHA) grade II or greater congestive heart failure, uncontrolled hypertension, severe peripheral vascular disease, uncontrolled major seizure disorder, unstable spinal cord compression, superior vena cava syndrome, extensive interstitial bilateral lung disease on High Resolution Computed Tomography (HRCT) scan or any psychiatric illness ]
Patients with active second malignancy
Other malignancy unless curatively treated with no evidence of disease for ≥5 years except: adequately treated non-melanoma skin cancer, curatively treated in situ cancer of the cervix, ductal carcinoma in situ (DCIS), Stage 1, grade 1 endometrial carcinoma
Any prior treatment for ovarian cancer, other than first line platinum-based therapy, including any maintenance treatment between completion of the platinum regimen and initiation of study drug in this study
Major surgery within 2 weeks of starting study treatment and patients must have recovered from any effects of any major surgery
Concurrent treatment with other investigational agents
Patients unable to swallow orally administered medication and patients with gastrointestinal disorders likely to interfere with absorption of the study medication
Any positive test result for hepatitis B virus or hepatitis C virus indicating presence of virus, eg. Hepatitis B surface antigen (HBsAg, Australia antigen) positive, or Hepatitis C antibody (anti-HCV) positive (except if HCV-RNA negative)
Immunocompromised patients, e.g., patients who are known to be serologically positive for human immunodeficiency virus (HIV)
Patients with symptomatic uncontrolled brain metastases. A TC/RMN scan of brain is required at baseline. The patient can receive a stable dose of corticosteroids before and during the study as long as these were started at least 4 weeks prior to treatment
Patients with spinal cord compression unless considered to have received definitive treatment for this and evidence of clinically stable disease for 28 days
Resting ECG indicating uncontrolled, potentially reversible cardiac conditions, as judged by the investigator (eg., unstable ischemia, uncontrolled symptomatic arrhythmia, congestive heart failure, QTcF prolongation < 470 ms, electrolyte disturbances, etc.), or patients with congenital long QT syndrome
Evidence of any other medical conditions, physical examination or laboratory findings that may interfere with the planned treatment, affect patient compliance or place the patient at high risk from treatment related complications
Concomitant use of known strong CYP3A inhibitors (e.g. itraconazole, telithromycin, clarithromycin, protease inhibitors boosted with ritonavir or cobicistat, indinavir, saquinavir, nelfinavir, boceprevir, telaprevir) or moderate CYP3A inhibitors (e.g. ciprofloxacin, erythromycin, diltiazem, fluconazole, verapamil). The required washout period prior to starting olaparib is 2 weeks
Concomitant use of known strong (e.g. phenobarbital, enzalutamide, phenytoin, rifampicin, rifabutin, rifapentine, carbamazepine, nevirapine and St John's Wort) or moderate CYP3A inducers (eg. bosentan, efavirenz, modafinil). The required washout period prior to starting olaparib is 5 weeks for enzalutamide or phenobarbital and 3 weeks for other agents
Patients with a known hypersensitivity to olaparib or any of the excipients of the product
Presence of any other condition that may increase the risk associated with study participation or may interfere with the interpretation of study results, and in the opinion of the investigator, would make the
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