Efficacy of Olaparib in Advanced Cancers Occurring in Patients With Germline Mutations or Somatic Tumor Mutations in Homologous Recombination Genes

  • STATUS
    Recruiting
  • End date
    Dec 31, 2024
  • participants needed
    540
  • sponsor
    AZ-VUB
Updated on 25 January 2021

Summary

At present targeted therapy with the PARP inhibitor olaparib has become standard of care in advanced platinum sensitive BRCA1/2 mutant ovarian cancer. The key in this sensitivity is the loss of homologous recombination (HR) function. The current project aims to treat patients with any type of cancer carrying in their germline a mutation in genes that generate such an homologous recombination deficiency (HRD) or have an acquired somatic mutation in their tumor with the targeted PARP inhibitor olaparib. The project would thus bring access to a targeted drug matched to the genomic profile of the tumor of these patients and provide oncologists with information regarding efficacy and safety of olaparib in these patients. This evidence could then later lead to a more routine regulatory access.

Details
Condition Advanced Cancers Harbouring Mutations in HRG
Treatment Olaparib Oral Capsule
Clinical Study IdentifierNCT03967938
SponsorAZ-VUB
Last Modified on25 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Provision of informed consent prior to any study specific procedures
Female or male aged > 18 years
Histologically proven advanced cancer, either locally or metastatic, harboring a specific pathogenic genetic alteration (with the exception of breast, pancreas, or prostate cancer patients harboring a BRCA1/2 mutation and HRD ovarian cancer)
No approved targeted therapy for the specific genetic alteration in the specific tumor type
No other genomic driven phase I, II or III trial available for the specific genomic alteration in the specific tumor type
Available tumor tissue for verification of the mutation by Sanger sequencing
Patients must have normal organ and bone marrow function measured within 28 days prior to administration of study treatment
Eastern Cooperative Oncology Group (ECOG) performance status 0-1
Patients must have a life expectancy 16 weeks
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
Patients are willing and able to comply with the protocol for the duration of the study including undergoing treatment and scheduled visits and examinations
At least one lesion (measurable and/or non-measurable) that can be accurately assessed at baseline by CT and is suitable for repeated assessment
Formalin fixed, paraffin embedded (FFPE) tumour sample from the primary cancer must be available for local genetic testing

Exclusion Criteria

Involvement in the planning and/or conduct of the study (applies to both AstraZeneca staff and/or staff at the study site)
Ovarian cancer patients harboring a HRD and breast, prostate and pancreas cancer patients who carry a BRCA1/2 mutation
Previous enrolment in the present study
Participation in another clinical study with an investigational product during the last 4 weeks or radiotherapy (except for palliative reasons) within three weeks prior to study treatment
History of non-compliance to medical regimens
Any previous treatment with PARP inhibitor, including olaparib
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), Stage 1, grade 1 endometrial carcinoma, or other solid tumours including lymphomas (without bone marrow involvement) curatively treated with no evidence of disease for 5 years. Patients with a history of localized triple negative breast cancer may be eligible, provided they completed their adjuvant chemotherapy more than three years prior to registration, and that the patient remains free of recurrent or metastatic disease
Resting ECG with QTc > 470 msec on 2 or more time points within a 24 hour period or indicating uncontrolled, potentially reversible cardiac conditions as judged by the investigator (er., unstable ischemia, uncontrolled symptomatic arrhythmia, congestive heart failure, QTcF prolongation >500ms, electrolyte disturbances, etc.) or patients with congenital long QT syndrome
Patients receiving any systemic chemotherapy or radiotherapy (except for palliative reasons) within four weeks prior to study treatment. Patients must have recovered from radiotherapy toxicities prior to enrollment
Concomitant use of known strong CYP3A inhibitors (eg. itraconazole, telithromycin, clarithromycin, protease inhibitors boosted with ritonavir or cobicistat, indinavir, saquinavir, nelfinavir, boceprevir, telaprevir) or moderate CYP3A inhibitors (eg. ciprofloxacin, erythromycin, diltiazem, fluconazole, verapamil). The required washout period prior to starting olaparib is 2 weeks
Concomitant use of known strong (eg. 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
Persistent toxicities (Common Terminology Criteria for Adverse Event (CTCAE) > grade
caused by previous cancer therapy, excluding alopecia
Patients with myelodysplastic syndrome/acute myeloid leukaemia or with features suggestive of MDS/AML
Patients with symptomatic uncontrolled brain metastases. A scan to confirm the absence of brain metastases is not required. 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
Major surgery within 2 weeks of starting study treatment and patients must have recovered from any effects of any major surgery
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, 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 disorder that prohibits obtaining informed consent
Patients unable to swallow orally administered medication and patients with gastrointestinal disorders likely to interfere with absorption of the study medication
Breast feeding women. (delete if male population)
Immunocompromised patients, e.g., patients who are known to be serologically positive for human immunodeficiency virus (HIV)
Patients with a known hypersensitivity to olaparib or any of the excipients of the product
Patients with known active hepatitis (i.e. Hepatitis B or C) due to risk of transmitting the infection through blood or other body fluids
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, for timing refer to inclusion criteria no.3)
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