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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04337177
Other study ID # VAL-10-001
Secondary ID
Status Recruiting
Phase Phase 1
First received
Last updated
Start date October 25, 2021
Est. completion date June 2024

Study information

Verified date May 2024
Source Valent Technologies, LLC
Contact Neil Sankar, M.D.
Phone (408) 215-1578
Email nsankar@valenttech.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

A pilot pharmacokinetic trial to determine the safety and efficacy of a flavored, orally administered irinotecan VAL-413 (Orotecan®) given with temozolomide for treatment of recurrent pediatric solid tumors including but not limited to neuroblastoma, rhabdomyosarcoma, Ewing sarcoma, hepatoblastoma and medulloblastoma


Description:

Up to 20 patients ≥ 1 year of age or ≤ 30 years of age with recurrent pediatric solid tumors will be enrolled. During the first cycle of treatment, each patient will receive 4 daily doses of VAL-413 (Orotecan®) and one daily dose of the intravenous preparation of irinotecan taken orally (IRN-IVPO), together with 5 days of concurrent temozolomide. During all subsequent cycles, only Orotecan® will be given with temozolomide in 5 day courses administered every 21 days as tolerated. The dosing regimen in this study will be Temozolomide at 100 mg/m2/day with Orotecan® at either 90 or 110mg/m2/day, administered orally for 5 consecutive days at the beginning of every 21-day cycle. A single dose of IRN-IVPO will be substituted at the same dosage as Orotecan® during Cycle 1. Up to 17 cycles of treatment may be administered on this study. Data collected from this study will allow for an assessment of Orotecan® safety and efficacy. Interval medical histories, targeted physical exams, complete blood counts, and other laboratory and safety assessments will be performed at Day 1 of each treatment cycle for all study subjects. At baseline and during study, disease status will be assessed by appropriate clinical and imaging evaluation (CT, MRI, or PET) and using Response Evaluation Criteria in Solid Tumors (RECIST), International Neuroblastoma Response Criteria (INRC) for patients with neuroblastoma, or the Children's Oncology Group Response Criteria for CNS tumors. In addition, a single-response taste survey will be conducted on Day 1 and Day 4 of the first cycle, which will allow patients to evaluate the taste of Orotecan®. Serum samples will be collected at various time points on Days 1 and 4 during Cycle 1 to characterize and compare the pharmacokinetic profiles of Orotecan® and conventional irinotecan given orally. Assessment of first-cycle toxicity will be used to identify the recommended phase II dose for Orotecan®. Toxicity will be evaluated and documented using NCI CTCAE guidelines. The recommended Phase II dose will be identified as the highest dose at which no more than 1 of 6 patients experiences a first cycle dose limiting toxicity (DLT). Additional study subjects may be enrolled at the recommended Phase II dose to ensure balanced safety and pharmacokinetic data is obtained for at least 3 patients < 12 years old and at least 3 patients > 12 years old.


Recruitment information / eligibility

Status Recruiting
Enrollment 20
Est. completion date June 2024
Est. primary completion date June 2024
Accepts healthy volunteers No
Gender All
Age group 1 Year to 30 Years
Eligibility Inclusion Criteria: 1. Patients must be 1 year of age to = 30 years of age at the time of study entry. 2. Patients must have had histologic verification of a solid tumor or CNS tumor at either original diagnosis or relapse. 3. Measurable or evaluable disease is not required for enrollment on this safety/feasibility study. 4. Patient's current disease state must be one for which there is no known curative therapy or therapy proven to prolong survival with an acceptable quality of life or for which irinotecan and/or temozolomide are acceptable therapeutic options based on existing standard of care available. 5. Karnofsky Performance Status = 50% for patients > 16 years of age and Lansky Performance Status = 50 for patients = 16 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. 6. Males or females of reproductive potential may not participate unless they have agreed to use an effective contraception method during and for 30 days after study treatment. (Abstinence is considered an acceptable method of effective contraception.) 7. Prior treatment with temozolomide, vincristine or irinotecan is allowed, although patients must not have had disease progression while receiving either irinotecan, vincristine or temozolomide. 8. Patients must have recovered from the acute toxic effects of all prior chemotherapy, immunotherapy, or radiotherapy prior to entering this study, as described below: 1. Myelosuppressive chemotherapy: patients must not have received myelosuppressive chemotherapy within 21 days of first study treatment, but nitrosourea within 8 weeks (42 days) of first study treatment 2. Anti-cancer agents not known to be myelosuppressive (e.g., not associated with drops in platelet or neutrophil count): must not have received these therapies within 7 days of first study treatment, or at least 5 half-lives of the agent (whichever is longer) 3. Antibody therapy: At least 4 weeks must have elapsed since last antibody dose prior to first study treatment 4. Radiation therapy: At least two weeks must have elapsed since last local palliative radiation (small port) prior to first study treatment. At least 6 weeks must have elapsed if more substantial radiation was administered (e.g., >50% pelvis, craniospinal, whole body), or therapeutic radiolabeled 131I MIBG or other radiopharmaceutical therapy. 5. High-Dose Chemotherapy with Autologous Stem Cell Transplant/Rescue: At least two months must have elapsed since receiving autologous hematopoietic stem cells prior to first study treatment. Patients who have had allogeneic transplants are ineligible. 6. Hematopoietic growth factors: must not have been received in the 14 days prior to first study treatment for a long-acting growth factor (e.g., pegfilgrastim), or 7 days prior to first study treatment for short-acting growth factor. 9. Peripheral absolute neutrophil count (ANC) = 1,000/µL 10. Platelet count =100,000/µL (transfusion independent, defined as not receiving platelet transfusions within a 7-day period prior to first study treatment) 11. Hemoglobin = 8.0 gm/dL (may receive RBC transfusions) NOTE: Patients with metastatic tumor in the bone marrow ARE eligible provided the above hematologic criteria are met. 12. Creatinine clearance or radioisotope GFR = 70mL/min/1.73 m2 or Serum creatinine based on age/gender as follows: Age Maximum Serum Creatinine (mg/dL) Male Female 1 to < 2 years 0.6 0.6 2 to < 6 years 0.8 0.8 6 to < 10 years 1 1 10 to < 13 years 1.2 1.2 13 to < 16 years 1.5 1.4 = 16 years 1.7 1.4 The threshold creatinine values in this Table 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. 13. Bilirubin (sum of conjugated + unconjugated) = 1.5 x upper limit of normal (ULN) for age 14. SGPT (ALT) = 5 x upper limit of normal (ULN) for age 15. Serum albumin = 2 g/dL Exclusion Criteria: 1. Patients with a history of severe allergic reaction (e.g., more than simple rash) to dacarbazine or third-generation cephalosporins are ineligible. 2. Pregnant or breast-feeding women will not be entered on this study due to potential risks of fetal and teratogenic adverse events. A pregnancy test must be obtained prior to starting chemotherapy in post-menarchal female patients. 3. Patients who are currently receiving investigational drugs, or who have received an investigational drug within the last 7 days prior to first study treatment, are ineligible. 4. Patients who are currently receiving other anti-cancer agents are ineligible. 5. Patients taking strong inducers of CYP3A4, including but not limited to phenobarbital, phenytoin, carbamazepine, oxcarbazepine (Trileptal), rifampin, voriconazole, itraconazole, ketoconazole or other systemically-administered azole antifungal drugs, aprepitant (Emend) or St. John's Wort, in the 2 weeks prior to first study treatment are ineligible. 6. Patients taking strong inhibitors of CYP3A4 or UGT1A1 in the 1 week prior to first study treatment are ineligible. 7. Patients must not be receiving medications known to inhibit platelet function or known to selectively inhibit cyclooxygenase activity. Medicines in this class are excluded, with the exception of acetaminophen. 8. Patients who have uncontrolled infections, require IV antibiotics at time of enrollment, or who are currently receiving treatment for Clostridium difficile infection are excluded. 9. 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.

Study Design


Intervention

Drug:
VAL-413
a flavored preparation of orally administered irinotecan
Temozolomide
alkylating oral chemotherapy agent used to treatment brain cancers

Locations

Country Name City State
United States University of North Carolina at Chapel Hill - North Carolina Cancer Hospital Chapel Hill North Carolina
United States Atrium Health Levine Children's Hospital - Carolinas Medical Center Charlotte North Carolina
United States Cincinnati Children's Hospital Medical Center Cincinnati Ohio
United States Duke University Children's Hospital and Health Center Durham North Carolina
United States Indiana University School of Medicine, Riley Hospital for Children Indianapolis Indiana
United States Sarah Cannon Research Institute, Pediatric Hematology & Oncology Nashville Tennessee
United States UCSF, Mission Bay - Benioff Children's Hospital San Francisco California
United States Children's National Research Institute - Children's National Hospital Washington District of Columbia

Sponsors (1)

Lead Sponsor Collaborator
Valent Technologies, LLC

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Recommended Phase II Dose (RP2D) To establish the recommended Phase II dose of a flavored preparation of orally administered irinotecan VAL-413 (Orotecan®) when given in combination with temozolomide for 5 consecutive days 17 months
Secondary Cmax Maximum observed concentration of VAL-413 (Orotecan®) on Day 1 1 day
Secondary Tmax Time of observed VAL-413 (Orotecan®) Cmax on Day 1 1 day
Secondary AUClast Area under the concentration-time curve from pre-dose (time 0) to the time of the last quantifiable VAL-413 (Orotecan®) concentration on Day 1 1 day
Secondary AUCinf Area under the concentration-time curve for VAL-413 (Orotecan®) extrapolated to infinity on Day 1 1 day
Secondary CL/F Total oral body clearance at steady state calculated as VAL-413 (Orotecan®) dose/AUC on Day 1 1 day
Secondary MRT Mean Residence Time for VAL-413 (Orotecan®) calculated as AUMC/AUC where AUMC is Area under the Moment Curve 1 day
Secondary Vz The apparent volume of distribution for VAL-413 (Orotecan®) during the terminal phase 1 day
Secondary Lambda z The terminal elimination rate constant determined by selection of at least three decreasing data points on the terminal phase of the concentration time curve for VAL-413 (Orotecan®) on Day 1 1 day
Secondary T1/2 Terminal elimination half-life of VAL-413 (Orotecan®) on Day 1 determined from 0.693/Lambda z 1 day
Secondary Palatability To evaluate the palatability of VAL-413 (Orotecan®) using a proprietary Valent Taste Survey which allows pediatric patients or their parents to rate how agreeable they find the flavor of VAL-413 (Orotecan®), on scale from 7, Like Very Much down to 1, Dislike Very Much 1 month
Secondary Adverse Events To assess the toxicity profile of this combination therapy using NCI CTCAE guidelines 17 months
Secondary Treatment Response To assess treatment response using the Response Evaluation Criteria in Solid Tumors (RECIST) guideline, or for patients with neuroblastoma, the International Neuroblastoma Response Criteria (INRC) guideline 17 months
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