Uterine Corpus Leiomyosarcoma Clinical Trial
Official title:
A Randomized Phase 2/3 Study of Olaparib Plus Temozolomide Versus Investigator's Choice for the Treatment of Patients With Advanced Uterine Leiomyosarcoma After Progression on Prior Chemotherapy
This phase II/III trial compares the effect of the combination of olaparib and temozolomide to the usual treatment (trabectedin and pazopanib) for uterine leiomyosarcoma that has spread to other places in the body (advanced) after initial chemotherapy has stopped working. Olaparib is a PARP inhibitor. PARP is a protein that helps repair damaged deoxyribonucleic acid (DNA). Blocking PARP may prevent tumor cells from repairing their damaged DNA, causing them to die. PARP inhibitors are a type of targeted therapy. Temozolomide is in a class of medications called alkylating agents. It works by slowing or stopping the growth of tumor cells in the body. The combination of olaparib and temozolomide may work better than the usual treatment in shrinking or stabilizing advanced uterine leiomyosarcoma after initial chemotherapy has stopped working.
Status | Recruiting |
Enrollment | 70 |
Est. completion date | March 9, 2030 |
Est. primary completion date | March 9, 2030 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Histologically confirmed leiomyosarcoma of uterine origin, as established by the site enrolling the patient on study. Central pathology review will not occur. - Metastatic or locally advanced and surgically unresectable disease, in the opinion of the treating investigator. - Patients must have at least one lesion that is measurable per Response Evaluation Criteria in Solid Tumors (RECIST) version (v)1.1 to be eligible for the study. - Women of childbearing potential only, a negative pregnancy test done = 7 days prior to registration is required. - Age >= 18 years. - Eastern Cooperative Oncology Group (ECOG) Performance Status =< 2. - Patients must have had prior progression on, or intolerance to, at least two prior lines of systemic therapy for advanced uLMS, one of which was an anthracycline (anthracycline monotherapy or combination). Adjuvant chemotherapy will qualify as a prior line of treatment. Endocrine treatment will not qualify as a prior line of treatment. - Patients must have recovered to baseline or =< grade 1 per CTCAE version 5.0 from toxicity related to any prior treatment, unless adverse events are clinically nonsignificant and/or stable on supportive therapy, with the exception of fatigue (which must be =< grade 2), alopecia and/or endocrinopathies related to prior immunotherapy which are controlled with hormone replacement. - Patients must have completed all prior anti-cancer treatment, including radiation, =< 28 days prior to registration. - Absolute neutrophil count (ANC) >= 1500/mm^3 (within =< 28 days prior to registration) - Platelet count >= 100,000/mm^3 (within =< 28 days prior to registration). - Creatinine =< 1.5 * upper limit of normal (ULN) (within =< 28 days prior to registration). * If creatinine > 1.5 * ULN, then creatinine clearance (CrCl) must be > 50 mL/min, per Cockcroft-Gault method. - Hemoglobin >= 9 g/dL (within =< 28 days prior to registration). * No transfusions =< 14 days before cycle 1 day 1 (C1D1). - Total bilirubin =< 1.5 x ULN (within =< 28 days prior to registration). * If documented Gilbert's: =< 2.0 x ULN. - Aspartate aminotransferase/alanine aminotransferase (AST/ALT) =< 3 x ULN (within =< 28 days prior to registration). - For patients with evidence of chronic hepatitis B (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. - HIV-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial. - 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. - Patients with central nervous system (CNS)/leptomeningeal disease must have undergone definitive treatment, have no evidence of CNS progression on follow-up imaging performed at least 4 weeks after the CNS-directed therapy is completed, and be off all steroids, in order to be eligible. - Patients must be able to swallow oral medications. - In order to complete the mandatory patient-completed measure, participants must be able to speak and/or read English and Spanish. - For all patients, prior to randomization and as part of eligibility, the investigator must select the agent which the patient would receive if assigned to the investigator's choice arm, prior to randomization. The patient must meet all eligibility criteria for that agent during screening and prior to randomization. - Patients without central venous access must be willing to undergo placement of central venous access (i.e. port or peripherally inserted central catheter (PICC) line, per institutional practice). if assigned to the investigator's choice arm and if the investigator intends to treat the patient with trabectedin. The site must be able to place central venous access within 10 days of registration/randomization. - In order to complete the mandatory patient-completed measure, participants must be able to speak and/or read English and Spanish - For all patients, prior to randomization and as part of eligibility, the investigator must select the agent which the patient would receive if assigned to the investigator's choice arm, prior to randomization. The patient must meet all eligibility criteria for that agent during screening and prior to randomization. Patients without central venous access must be willing to undergo placement of central venous access (i.e. port or peripherally inserted central catheter [PICC] line, per institutional practice). if assigned to the investigator's choice arm and if the investigator intends to treat the patient with trabectedin. The site must be able to place central venous access within 10 days of registration/randomization Exclusion Criteria:• Not pregnant and not nursing, because this study involves agents that have known genotoxic, mutagenic and teratogenic effects. Therefore, for women of childbearing potential only, a negative pregnancy test done =< 7 days prior to registration is required - Patients may not have received prior treatment with any PARP inhibitor, temozolomide or dacarbazine (IV analogue of temozolomide). - Patients may not have had prior treatment with at least one of the agents included on the investigator's choice arm: trabectedin or pazopanib. If the patient has had prior treatment with one of these agents, they must be assigned to the other agent for investigator's choice. That is, patients who have received prior pazopanib must be assigned to trabectedin, and patients who have received prior trabectedin must be assigned to pazopanib. - Patients may not have undergone major surgery (related or unrelated to their cancer diagnosis) =< 28 days of registration. Subjects with clinically relevant ongoing complications from prior surgery are not eligible. - Patients may not have uncontrolled hypertension defined as a blood pressure (BP) > 150/90 on two consecutive assessments during the screening period. If a patient is found to have a BP > 150/90 on two consecutive assessments during the screening period, the patient may be started on an anti-hypertensive regimen, and will be considered eligible if two subsequent measurements are performed and the BP is =< 150/90. - Patients may not have an uncontrolled ventricular arrhythmia or recent (within 3 months) myocardial infarction. - In addition to the above, patients with known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using the New York Heart Association Functional Classification. To be eligible, patients should be class 2B or better - Patients may not have a history of active or unresolved: perforation, abscess or fistula within 28 days prior to registration (either clinically or radiographically). - Patients must not have myelodysplastic syndrome (MDS)/acute myeloid leukemia (AML) or a history of bone marrow biopsy findings at any time consistent with MDS and/or AML. - Patients must not have an uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, 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 other condition that would limit compliance with study requirements. - Patients may not require 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 study treatment is 2 weeks. - Patients may not require concomitant use of known strong (e.g., phenobarbital, enzalutamide, phenytoin, rifampicin, rifabutin, rifapentine, carbamazepine, nevirapine and St John's Wort) or moderate CYP3A inducers (e.g. bosentan, efavirenz, modafinil). The required washout period prior to starting study treatment is 5 weeks for enzalutamide or phenobarbital and 3 weeks for other agents. |
Country | Name | City | State |
---|---|---|---|
United States | Columbia University/Herbert Irving Cancer Center | New York | New York |
Lead Sponsor | Collaborator |
---|---|
Alliance for Clinical Trials in Oncology | National Cancer Institute (NCI) |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Proportion of patients with a genomic alteration in a homologous recombination (HR) pathway gene | Proportion of patients with a genomic alteration in a homologous recombination (HR) pathway gene For all patients registered to the study, we will collect results of next generation sequencing that is known to the treating investigator and was previously performed as part of the patient's clinical care. We will evaluate for genomic alterations in HR pathway genes. A genomic alteration is defined as a homozygous deletion or deleterious (loss-of-function) mutation in any of the pre-defined HR pathway genes | Within 60 days of registration | |
Other | Relationship between the presence of an alteration in HR pathway genes and clinical benefit from olaparib and temozolomide | We will evaluate whether patients with an HR pathway alteration experience increased clinical benefit from olaparib and temozolomide as compared patients who lack such an alteration, as determined by objective response rate, progression-free survival and overall survival. Response rates will be compared using the Fisher's exact test, and time to event endpoints summarized using the Kaplan-Meier curves and the log-rank test. | Within 60 days of registration | |
Primary | Progression free survival (PFS) (Phase II) | Progression free survival (PFS) (Phase II) Will be estimated using the Kaplan-Meier method, where the stratified log-rank test will be used to compare the distributions across the treatment arms. PFS rates at 1 year, 2 years, and 5 years will also be reported, along with 95% confidence intervals. Univariable and multivariable Cox models stratified by the stratification factors used in the randomization will be assessed as well. | Time between the date of randomization and the earliest of disease progression (PD) or death, assessed up to 5 years | |
Primary | Overall survival (OS) (Phase III) | Will be estimated using the Kaplan-Meier method, where the stratified log-rank test will be used to compare the distributions across the treatment arms. OS rates at 1 year, 2 years, and 5 years will also be reported, along with 95% confidence intervals. Univariable and multivariable Cox models stratified by the stratification factors used in the randomization will be assessed as well. | Time between the date of randomization and the date of death from any cause, assessed up to 5 years | |
Secondary | Overall response rate (ORR) | Overall response rate (ORR) The ORR will be estimated by dividing the number of evaluable patients that achieve a confirmed response (partial response [PR] or better) by the total number of evaluable patients. This estimate will be calculated by arm and will also include a 95% confidence interval using the properties of the binomial distribution, and compared between the arms using a chi-square test. | Up to 5 years | |
Secondary | Duration of response (DOR) | This analysis is restricted to those patients that achieved a confirmed response (PR or better). Patients that go off of study treatment prior to progression will have their DOR time censored at that time. | Time from first evidence of response until disease progression (or death), assessed up to 5 years | |
Secondary | Disease control rate (DCR) | DCR will be estimated by dividing the number of patients that achieve complete response, partial response, or stable disease at the 6 week assessment divided by all evaluable patients. This estimate will be calculated by arm and will also include a 95% confidence interval using the properties of the binomial distribution, and compared between the arms using a chi-square test. | Up to 6 weeks | |
Secondary | Incidence of adverse events | Adverse events will be recorded using National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version (v)5.0 for each patient. Frequency tables and summary statistics will be used and with the appropriate methods of evaluating categorical and continuous data. In addition, patient reported safety and tolerability will be assessed using Patient-Reported Outcomes (PRO)-CTCAE for a prespecified group of expected toxicities. PRO-CTCAE assessments will occur prior to registration and on day 1 of every cycle during treatment. Collection of PRO-CTCAE will be discontinued after cycle 11. | Up to 4 weeks after the end of study treatment |
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