Study of Sutent®/Sunitinib (SU11248) in Subjects With NF-1 Plexiform Neurofibromas

Stopped early · Phase 2

Conditions studied: Neurofibromatosis, NF1, Plexiform Neurofibromas

In brief

This is a pilot study to determine if adults and children with neurofibromatosis type 1 who have plexiform tumors given Sutent® respond to this drug therapy.

Key facts

Study ID

NCT01402817

Run by

Indiana University

People needed

19

Starts

2012-03-01

Expected to finish

2018-02-14

Last updated by the study team

2018-03-14

Who can join

Age: 3 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age: patients must be ≥3 years of age and ≤65 years of age at the time of study entry
• Diagnosis: Patients must meet clinical diagnostic criteria of neurofibromatosis type 1 (NF1). Patients must have clinically significant plexiform neurofibromas (biopsy proven if possible with tissue blocks available). Clinically significant tumors are those which are potentially life threatening or are impinging on vital structures or significantly impair the quality of life from pain or other symptoms.
• Disease status: Patients must have measurable disease.
• Performance Level: Karnofsky ≥50 for patients >10 years of age and Lansky ≥50 for patients ≤10 years of age. Patients who are unable to walk because of paralysis, but who are up in a wheelchair, will be considered ambulatory for the purpose of assessing the performance score.
• Prior therapy: Patients must have fully recovered from the acute toxic effects of all prior chemotherapy, immunotherapy, or radiotherapy prior to entering this study.
• Myelosuppressive chemotherapy: Must not have received within 3 weeks of entry onto this study.
• Hematopoietic growth factors: At least 14 days since completion of therapy with a growth factor.
• Biologic (anti-neoplastic agent): At least 7 days since the completion of therapy with a biologic agent. For agents that have known adverse events occurring beyond 7 days after administration, the 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 principal investigator.
• XRT: ≥2 weeks for local palliative XRT (small port); ≥6 months must have elapsed if ≥50% radiation of pelvis; ≥6 weeks must have elapsed if other substantial BM radiation.
• Organ function requirements
• a. Adequate bone marrow function defined as i. Peripheral absolute neutrophil count (ANC) ≥1000/µL ii. Platelet count ≥100,000/ µL(transfusion independent, iii. Hemoglobin ≥8.0 gm/dL(may receive RBC transfusions) b. Adequate renal function defined as i. Creatinine clearance or radioisotope GFR ≥70 mL/min/1.73 m2 or ii. A serum creatinine based on age/gender as follows (Maximum Serum Creatinine (mg/dL)): Males: 6 to <10 years:1; 10 to <13 years: 1.2; 13 to <16 years: 1.5; >16 years 1.7. Females: 6 to <10 years:1; 10 to <13 years 1.2; 13 to <16 years: 1.4; >16 years: 1.4.
• The threshold creatinine values above were derived from the Schwartz formula for estimating GFR (Schwartz et al. J. Peds, 106:522, 1985) utilizing child length and stature data published by the CDC.
• c. Adequate Liver Function Defined As: i. Total bilirubin (sum of conjugated+unconjugated)≤1.5 times upper limit of normal (ULN) for age, and ii. SGPT(ALT)<2.5 upper limit of normal ULN). For the purpose of this study, the ULN for SGPT is 45 U/L iii. Serum albumin ≥2 g/dL d. Adequate cardiac function defined as: i. Shortening fraction or ejection fraction greater than the LLN (institutional norm), and ii. Corrected QT interval ≤450 msec e. Normal Pancreatic function defined as: i. Serum amylase ≤1.5xULN and ii. Serum lipase ≤1.5xULN. f. Blood pressure within the upper limit of normal defined as: i. A blood pressure (BP) ≤ 95th percentile for age, height, and gender and not receiving medication for treatment of hypertension.
• Informed Consent: All patients and/or their parents or legal guardians must sign a written informed consent. Assent, when appropriate, will be obtained according to institutional guidelines.

You may not qualify if…

• Prior anthracycline treatment. Patients previously treated with anthracyclines (any dose) are not eligible.
• Prior Cardiac Radiation Patients previously treated with a radiation field that included the heart are not eligible.
• Pregnancy or Breast-Feeding Animal studies indicate an increased risk of death of pregnant female rats and rabbits exposed to Sutent®. Cleft lip and palate were observed in some fetuses exposed in utero to sunitinib. There is yet no available information regarding human fetal or teratogenic toxicities. Pregnancy tests must be obtained in girls who are poet-menarchal. Males or females of reproductive potential may not participate unless they have agreed to use an effective contraceptive method.
• Concomitant Medications
• Growth factors(s): Growth factors that support platelet or white cell number or function must not have been administered within the past 14 days
• Investigational Drugs: Patients who are currently receiving another investigational drug.
• Anti-cancer agents: Patients who are currently receiving other anti-cancer agents.
• The following CYP3A4 inducers are prohibited 12 days before the start of Sutent® and during the study with Sutent®: rifampin, rifabutin, carbamazepine, Phenobarbital, phenytoin, St. John's wort, efavirenz, and tipranavir.
• Anti-thrombotic and anti-platelet agents: warfarin (Coumadin), heparin, low molecular weight heparin, aspirin, and/or ibuprofen, or other NSAIDs.
• The following CYP3A4 inhibitors are prohibited 7 days before the start of sunitinib and during the study with sunitinib: azole antifungals (itraconazole, ketoconazole); clarithromycin, erythromycin, diltiazem, verapamil, HIV protease inhibitors (indinavir, saquinavir, ritonavir, atazanavir, nelfinavir); delavirdine.
• Infection: Patients who have an uncontrolled infection.
• Pleural-based tumors: Pediatric patients treated on a phase II trial with imatinib had a higher than expected rate of hemorrhagic pleural effusions. Sutent® inhibits two of the same receptor tyrosine kinases as imatinib, PDGFR and c-KIT. Patients with tumors involving or abutting the pleural surface will be excluded from study. Patients with pulmonary lesions should be monitored closely for the development of hemorrhagic pleural effusions.
• Patient size: Due to dosing limitations, patients with body surface area <0.5 m2 will be excluded from study.
• Patients with a pre-existing thyroid abnormality (hyper-or hypothyroidism) with unstable thyroid function will be excluded from study. For the purposes of this study, unstable thyroid function will be defined as thyroid function abnormalities requiring more than on e change in thyroid medication in the 6 months prior to study entry.
• Patients with history of allergic reaction attributed to Sutent® or component of Sutent® capsules.
• Prior use of Sutent®: Patients who have previously received sunitinib are not eligible for study.
• Patients who in the opinion of the investigator may not be able to comply with the safety monitoring requirements of the study.
• Patient is < 5 years free of another primary malignancy except if the other primary malignancy is not currently clinically significant nor requiring active intervention, or if other primary malignancy is a basal cell skin cancer or a cervical carcinoma in situ. Existence of any other malignant disease is not allowed.
• Patient with Grade III/IV cardiac problems as defined by the New York Heart Association Criteria. (i.e., congestive heart failure, myocardial infarction within 6 months of study)
• Patient has a severe and/or uncontrolled medical disease (i.e., uncontrolled diabetes, chronic renal disease, or active uncontrolled infection).
• Patient has a known brain metastasis. Non-specific CNS changes on MRI/CT characteristic of NF1 are allowed, but not known CNS malignancies.
• Patient has known chronic liver disease (i.e., chronic active hepatitis, and cirrhosis).
• Patient has a known diagnosis of human immunodeficiency virus (HIV) infection.
• Patient had a major surgery within 2 weeks prior to study entry.

Where it is running

• Riley Hospital for Children at IU Health — Indianapolis, Indiana, United States

Full record on ClinicalTrials.gov

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