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Spots Global Cancer Trial Database for A Phase I Imaging and Pharmacodynamic Trial of CS-1008 in Patients With Metastatic Colorectal Cancer

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Trial Identification

Brief Title: A Phase I Imaging and Pharmacodynamic Trial of CS-1008 in Patients With Metastatic Colorectal Cancer

Official Title: A Phase I Imaging and Pharmacodynamic Trial of CS-1008 in Patients With Metastatic Colorectal Cancer

Study ID: NCT01220999

Interventions

CS-1008

Study Description

Brief Summary: This was a Phase 1, open-label, single-center study of CS-1008, an immunoglobulin G subclass 1 (IgG1) humanized monoclonal antibody, in subjects with advanced colorectal carcinoma who had received ≥ 1 prior chemotherapy regimen for metastatic disease. Primary study objectives were to determine the influence of the CS-1008 dose on the biodistribution, pharmacokinetics (PK) and tumor uptake of radiolabeled CS-1008 following a single infusion and following continuous sequential doses of CS-1008. Secondary objectives were to evaluate changes in tumor metabolism, antitumor response, and changes in serum apoptosis biomarkers and tumor response markers following treatment with CS-1008.

Detailed Description: Eligible subjects were to be enrolled into one of 5 dose-escalation cohorts to receive CS-1008 administered weekly as an intravenous (IV) infusion over 30 ± 10 minutes. Each cohort initially comprised 2 subjects but was expanded in up to 5 subjects if additional biodistribution and/or PK data were required. The initial infusion of CS-1008 on Day 1 was trace labeled with Indium-111 (111\^In-CS-1008; 5-7 mCi) and was investigated at escalating doses up to the standard loading dose, as follows: Cohort 1 (0.2 mg/kg), Cohort 2 (1 mg/kg), Cohort 3 (2 mg/kg), Cohort 4 (4 mg/kg), and Cohort 5 (6 mg/kg). The initial 111\^In-CS-1008 dose was followed by gamma camera imaging with blood sampling over a 10-day period to evaluate biodistribution, tumor uptake, PK, and serum biomarkers. Day 8 dosing comprised non-labeled CS-1008 at doses of 6 mg/kg in Cohorts 1-3, 4 mg/kg in Cohort 4, and 2 mg/kg in Cohort 5. Subsequent weekly infusions of standard dose CS-1008 (2 mg/kg) were administered on Days 15, 22, 29, 36, and 43. The Day 36 infusion of CS-1008 was also trace labeled with 111\^In (5-7 mCi), with subsequent gamma camera imaging and blood sampling. Subjects were assessed for disease status using the Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1, serum tumor biomarkers (carcinoembryonic antigen \[CEA\]), and human-anti-CS-1008-antibody development (HAHA). Subjects were assessed for changes in tumor metabolism following CS-1008 administration using computed tomography (CT) or fluorodeoxyglucose positron emission tomography (18\^F-FDG PET) scans. Cycle 1 encompassed the first 7 weeks of therapy. Within 1 week (Days 44-50) after the last infusion of CS-1008, subjects completed an End of Study/End of Cycle 1 assessment. Subjects with stable disease or better (according to RECIST version 1.1) at the Day 44-50 reassessment were permitted to receive additional 4-week cycles of CS-1008 (2 mg/kg) until disease progression, unacceptable toxicity, or subject/physician decision.

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Ludwig Institute Tumor Targeting Program, Austin Health, Melbourne, Victoria, Australia

Contact Details

Name: Andrew M Scott, MBBS, MD, FRACP, DDU

Affiliation: Ludwig Institute for Cancer Research & Austin Health

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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