Overview
PTC299 in Treating Young Patients With Refractory or Recurrent Primary Central Nervous System Tumors
Status:
Completed
Completed
Trial end date:
2015-01-01
2015-01-01
Target enrollment:
0
0
Participant gender:
All
All
Summary
RATIONALE: PTC299 may stop the growth of tumor cells by blocking blood flow to the tumor. PURPOSE: This phase I trial is studying the side effects and the best dose of PTC299 in treating young patients with recurrent or refractory primary central nervous system tumors.Phase:
Phase 1Accepts Healthy Volunteers?
NoDetails
Lead Sponsor:
Pediatric Brain Tumor ConsortiumCollaborators:
National Cancer Institute (NCI)
PTC TherapeuticsTreatments:
6-(4-fluorophenyl)-2,3-dihydro-5-(4-pyridinyl)imidazo(2,1-b)thiazole
Criteria
DISEASE CHARACTERISTICS:- Histologically confirmed diagnosis of primary central nervous system (CNS) malignancy
at time of diagnosis or recurrence
- Histology verification not required for intrinsic brain stem tumors and optic
pathway gliomas
- Must have radiographic evidence of progression
- Recurrent, progressive, or refractory disease to standard therapy and for which there
is no known curative therapy
PATIENT CHARACTERISTICS:
- Karnofsky performance status (PS) 50-100% (patients > 16 years of age) OR Lansky PS
50-100% (patients ≤ 16 years of age)
- Body weight ≥ 15 kg and ≤ 100 kg
- Patients with neurological deficits allowed provided they are stable for ≥ 1 week
- Able to swallow capsules
- ANC ≥ 1,000/μL (unsupported)
- Platelet count ≥ 100,000/μL (unsupported)
- Hemoglobin ≥ 8 g/dL (may be supported)
- Creatinine clearance or radioisotope glomerular filtration rate (GFR) ≥ 70 mL/min/1.73
m^2 OR serum creatinine normal based on age as follows:
- 0.8 mg/dL (≤ 5 years of age)
- 1.0 mg/dL (> 5 to ≤ 10 years of age)
- 1.2 mg/dL (> 10 to ≤ 15 years of age)
- 1.5 mg/dL (> 15 years of age)
- Urine protein/creatinine ratio < 1.0
- Total bilirubin ≤ 1.5 times upper limit of normal (ULN)
- ALT and AST ≤ 2.5 times ULN
- Albumin ≥ 2.5 g/dL
- PT and activated PTT ≤ 1.2 times ULN
- Not pregnant or nursing
- Negative pregnancy test
- Fertile patients must use effective contraception
- No clinically significant unrelated systemic illness that would compromise the
patient's ability to tolerate protocol therapy, or would likely interfere with the
study procedures or results, including any of the following:
- Serious infections including ongoing systemic bacterial, fungal, or viral
infection
- Significant cardiac, pulmonary, hepatic, or other organ dysfunction
- Willing and able to comply with schedule visits, drug administration plan, laboratory
tests, including pharmacokinetic and pharmacodynamic assessments, or other study
procedures
- No known coagulopathy or bleeding diathesis
- No known history of drug-induced liver injury
- No CNS, pulmonary, gastrointestinal, or urinary bleeding within the past month
- No uncontrolled systemic hypertension (systolic BP or diastolic BP > 95% percentile
for age)
- No alcohol or drug addiction
- Able to tolerate periodic MRI scans and gadolinium contrast
PRIOR CONCURRENT THERAPY:
- See Disease Characteristics
- Recovered from the acute toxic of all prior therapy (excluding alopecia and
neurotoxicity)
- At least 3 weeks since prior myelosuppressive anticancer chemotherapy (6 weeks for
nitrosourea)
- At least 14 days since prior investigational or biological agent
- At least 3 half-lives since prior biological agents that have a prolonged
half-life
- At least 3 half-lives since prior monoclonal antibody
- At least 2 weeks since prior local palliative radiotherapy
- At least 6 weeks since prior total-body irradiation, craniospinal radiotherapy, or
radiotherapy to ≥ 50% of the pelvis
- At least 90 days since prior allogeneic bone marrow transplantation
- No active graft-versus-host disease
- Concurrent dexamethasone or other corticosteroids allowed provided dose is stable for
≥ 7 days
- At least 1 week since prior colony-forming growth factors (e.g., filgrastim,
sargramostim, erythropoietin)
- At least 14 days since long-acting colony-forming growth factor formulations
(e.g., pegfilgrastim)
- More than 4 weeks since prior major surgical procedures
- More than 2 weeks since prior intermediate surgical procedures
- More than 7 days since minor surgical procedures
- No other concurrent anticancer or investigational drug therapy