Panitumumab (ABX-EGF) Monotherapy in Patients With Metastatic Colorectal Cancer

Amgen

Status and phase: Completed; Phase 2

Conditions: Metastases; Colorectal Cancer

Treatments: Drug: Panitumumab

Study type: Interventional

Funder types: Industry

Identifiers

NCT00089635

20030250

Details and patient eligibility

About

The purpose of this study is to determine that panitumumab will have clinically meaningful anti-tumor activity in patients with metastatic colorectal cancer who have developed progressive disease or relapsed while on or after prior fluoropyrimidine, irinotecan and oxaliplatin chemotherapy.

Enrollment: 203 patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Pathologic diagnosis of colorectal adenocarcinoma (diagnostic tissue obtained by tissue biopsy)
• Metastatic colorectal carcinoma
• Eastern Cooperative Oncology Group of 0, 1 or 2
• Documented evidence of disease progression during, or following treatment, with fluoropyrimidine, irinotecan and oxaliplatin chemotherapy for metastatic colorectal cancer
• Radiographic documentation of disease progression during or within 6 months following the most recent chemotherapy regimen is required
• Bidimensionally measurable disease
• Tumor expressing low to negative levels of epidermal growth factor receptor (EGFr) by immunohistochemistry
• At least 2 but no more than 3 prior chemotherapy regimens for metastatic colorectal cancer
• Adequate hematologic, renal and hepatic function

Exclusion criteria

• Symptomatic brain metastases requiring treatment
• Patient with a history of interstitial pneumonitis or pulmonary fibrosis or evidence of interstitial pneumonitis or pulmonary fibrosis
• Use of systemic chemotherapy or radiotherapy within 30 days before enrollment
• Prior anti-EGFr antibody therapy with the exception of the small molecule EGFr tyrosine kinase inhibitors, which are permitted
• Prior anti-tumor therapies including prior experimental agents or approved anti-tumor small molecules and biologics of short (less than 1 week) serum half-life within 30 days before enrollment, or prior experimental or approved proteins within 6 weeks before enrollment

Trial design

Primary purpose: Treatment

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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203 participants in 1 patient group

Panitumumab

Experimental group

Description:

Panitumumab was administered by intravenous (IV) infusion at a dose of 6 mg/kg once every 2 weeks until participants developed progressive disease, were unable to tolerate investigational product, or discontinued for other reasons.

Treatment:

Drug: Panitumumab