Recombinant Human Arginase 1 (rhArg1) in Patients With Advanced Arginine

Status Completed

Clinical Trial Summary

The goal of this clinical research study is to evaluate the safety of PEG-BCT- 100 given as an infusion to treat patients who bear advanced solid tumors that are dependent on arginine (melanoma, renal cell carcinoma, prostate cancer and hepatocellular carcinoma), and who have progressed after receiving approved or established therapies. This is a Phase 1 study; PEG-BCT-100 is an enzyme that degrades arginine and is an investigational drug.

Clinical Trial Description

This is a phase 1, multiple sites, open label and non-randomized study to evaluate the safety of PEG-BCT-100. Patient enrollment and sample size will follow a classical 3 + 3 dose-escalation design. The study will enroll a maximum of 36 patients. Cohorts of 3 patients will receive an initial single dose of PEG-BCT-100 beginning at 0.5 mg/kg. Single dose safety parameters including hematology and chemistry laboratory profiles will be monitored for 3 weeks. Patients not demonstrating a dose-limiting toxicity (DLT) following the single dose may then receive two additional doses of PEG-BCT-100 at the same dose level on Day 22 and Day 29. After these 2 additional doses, patients will undergo a full tumor and safety assessment after Day 29. Patients whose cancer is stable or responding may then receive weekly doses of PEG-BCT- 100 until disease progression. Dose escalations are planned for the next cohorts of 3 patients, which will be enrolled after Day 22 of the previous cohort, assuming that no single dose DLTs were reported. Each cohort of 3 patients may begin weekly administration if there is no DLTs by Day 22, and if the previous and lower dose cohort has successfully passed Week 4 of the study (doses on Days 1, and 22 + one week).

As of the beginning of 2018, an additional 22 patients will include only malignant melanoma patients. All newly enrolled patients will be enrolled at the dose level of Cohort Four (2.7 mg/kg) of PEG-BCT-100. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02285101
Study type	Interventional
Source	Bio-Cancer Treatment International Limited
Contact
Status	Completed
Phase	Phase 1
Start date	November 2014
Completion date	February 2019

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Recombinant Human Arginase 1 (rhArg1) in Patients With Advanced Arginine Auxotrophic Solid Tumors

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms