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About
This phase II Pediatric MATCH trial studies how well olaparib works in treating patients with solid tumors, non-Hodgkin lymphoma, or histiocytic disorders with defects in deoxyribonucleic acid (DNA) damage repair genes that have spread to other places in the body (advanced) and have come back (relapsed) or do not respond to treatment (refractory). Olaparib is an inhibitor of PARP, an enzyme that helps repair DNA when it becomes damaged. Blocking PARP may help keep cancer cells from repairing their damaged DNA, causing them to die. PARP inhibitors are a type of targeted therapy.
Full description
PRIMARY OBJECTIVE:
I. To determine the objective response rate (ORR; complete response + partial response) in pediatric patients treated with olaparib with advanced solid tumors (including central nervous system [CNS] tumors), non-Hodgkin lymphomas or histiocytic disorders that harbor activating genetic alterations in the deleterious genetic alterations in the DNA damage repair (DDR) pathway.
SECONDARY OBJECTIVES:
I. To estimate the progression free survival in pediatric patients treated with olaparib with advanced solid tumors including non-Hodgkin lymphomas, CNS tumors, and histiocytosis that harbor deleterious genetic alterations in the DDR pathway.
II. To obtain information about the tolerability of olaparib in children and adolescents with relapsed or refractory cancer.
III. To provide preliminary estimates of the pharmacokinetics of olaparib in children and adolescents with relapsed or refractory cancer.
EXPLORATORY OBJECTIVE:
I. To explore approaches to profiling changes in tumor genomics over time through the evaluation of circulating tumor DNA.
OUTLINE:
Patients receive olaparib orally (PO) twice daily (BID) on days 1-28. Cycles repeat every 28 days for 2 years in the absence of disease progression or unacceptable toxicity.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Patient must have enrolled onto APEC1621SC (NCT03155620) and must have been given a treatment assignment to Molecular Analysis for Therapy Choice (MATCH) to APEC1621H based on the presence of an actionable mutation
Patients must be >= than 12 months and =< 21 years of age at the time of study enrollment
Patients must have a body surface area >= 0.65 m^2 at enrollment
Patients must have radiographically measurable disease at the time of study enrollment; patients with neuroblastoma who do not have measurable disease but have iobenguane (MIBG) positive (+) evaluable disease are eligible; measurable disease in patients with CNS involvement is defined as tumor that is measurable in two perpendicular diameters on magnetic resonance imaging (MRI) and visible on more than one slice
Note: The following do not qualify as measurable disease:
Karnofsky >= 50% for patients > 16 years of age and Lansky >= 50 for patients =< 16 years of age
Patients must have fully recovered from the acute toxic effects of all prior anti-cancer therapy and must meet the following minimum duration from prior anti-cancer directed therapy prior to enrollment; if after the required timeframe, the numerical eligibility criteria are met, e.g. blood count criteria, the patient is considered to have recovered adequately
Cytotoxic chemotherapy or other anti-cancer agents known to be myelosuppressive
Anti-cancer agents not known to be myelosuppressive (e.g. not associated with reduced platelet or absolute neutrophil count [ANC] counts): >= 7 days after the last dose of agent
Antibodies: >= 21 days must have elapsed from infusion of last dose of antibody, and toxicity related to prior antibody therapy must be recovered to grade =< 1
Corticosteroids: If used to modify immune adverse events related to prior therapy, >= 14 days must have elapsed since last dose of corticosteroid
Hematopoietic growth factors: >= 14 days after the last dose of a long-acting growth factor (e.g. pegfilgrastim) or 7 days for short-acting growth factor; for growth factors that have known adverse events occurring beyond 7 days after administration, this period must be extended beyond the time during which adverse events are known to occur; the duration of this interval must be discussed with the study chair and the study-assigned research coordinator
Interleukins, interferons and cytokines (other than hematopoietic growth factors): >= 21 days after the completion of interleukins, interferon or cytokines (other than hematopoietic growth factors)
Stem cell infusions (with or without total body irradiation [TBI]):
Cellular therapy: >= 42 days after the completion of any type of cellular therapy (e.g. modified T cells, natural killer [NK] cells, dendritic cells, etc.)
Radiation therapy (XRT)/external beam irradiation including protons: >= 14 days after local XRT; >= 150 days after TBI, craniospinal XRT or if radiation to >= 50% of the pelvis; >= 42 days if other substantial bone marrow (BM) radiation
Radiopharmaceutical therapy (e.g., radiolabeled antibody, 131iodine [I]-MIBG): >= 42 days after systemically administered radiopharmaceutical therapy
Patients must not have received prior exposure to olaparib, veliparib, niraparib, rucaparib, talazoparib or other poly adenosine diphosphate ribose polymerase inhibitors (PARPi)
For patients with solid tumors without known bone marrow involvement: peripheral absolute neutrophil count (ANC) >= 1000/mm^3 (within 7 days prior to enrollment)
For patients with solid tumors without known bone marrow involvement: platelet count >= 100,000/mm^3 (within 7 days prior to enrollment) (transfusion independent, defined as not receiving platelet transfusions for at least 7 days prior to enrollment)
Patients with known bone marrow metastatic disease will be eligible for study provided they meet the blood counts (may receive platelet or packed red blood cells [pRBC] transfusions provided they are not known to be refractory to red cell or platelet transfusions); these patients will not be evaluable for hematologic toxicity
Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 (within 7 days prior to enrollment) or
A serum creatinine based on age/gender as follows (within 7 days prior to enrollment):
Patients with solid tumors: bilirubin (sum of conjugated + unconjugated) =< 1.5 x upper limit of normal (ULN) for age (within 7 days prior to enrollment)
Patients with solid tumors: serum glutamic pyruvic transaminase (SGPT) (alanine aminotransferase [ALT]) =< 135 U/L (within 7 days prior to enrollment); (for the purpose of this study, the ULN for SGPT is 45 U/L)
Patients with solid tumors: serum albumin >= 2 g/dL (within 7 days prior to enrollment)
Activated partial thromboplastin time (aPTT) =< 1.5 x ULN (within 7 days prior to enrollment)
International normalized ratio (INR) =< 1.5 (within 7 days prior to enrollment)
Patients must be able to swallow intact tablets
All patients and/or their parents or legally authorized representatives must sign a written informed consent; assent, when appropriate, will be obtained according to institutional guidelines
Exclusion criteria
Pregnant or breast-feeding women will not be entered on this study due to risks of fetal and teratogenic adverse events as seen in animal/human studies; pregnancy tests must be obtained in girls who are post-menarchal; women of child-bearing potential and their partners should agree to use two (2) highly effective forms of contraception throughout study participation and for at least one (1) month after the last dose of olaparib; male study participants should avoid fathering a child or donating sperm during the study and for three (3) months after the last dose of olaparib
Concomitant medications
Patients who have an uncontrolled infection are not eligible
Patient who are known to be serologically positive for human immunodeficiency virus (HIV)
Patients with known active hepatitis (i.e. hepatitis B or C)
Patients who have received a prior solid organ transplantation are not eligible
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 enrollment; patients with spinal cord compression unless considered to have received definitive treatment for this and evidence of clinically stable disease for 28 days
Patients with known symptomatic Fanconi anemia (FA), ataxia-telangiectasia (A-T) syndrome, Bloom syndrome (BS) and Nijmegen breakage syndrome (NBS) are not eligible (asymptomatic carriers are acceptable)
Major surgery must not have occurred within 2 weeks prior to enrollment and patients must have recovered from any effects of any major surgery
Patients who in the opinion of the investigator may not be able to comply with the safety monitoring requirements of the study are not eligible
Primary purpose
Allocation
Interventional model
Masking
6 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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