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Pharmocokinetic/Pharmacodynamic (PK/PD) Study of the Combination Cetuximab/Gefitinib

Phase 1 Pharmacokinetic (PK) and Pharmacodynamic (PD) Study of the Combination of Cetuximab (C-225), a Chimeric Monoclonal Antibody Against the Epidermal Growth Factor Receptor (EGFR), and Gefitinib (ZD1839), a Selective EGFR Tyrosine Kinase Inhibitor, in Patients With Advanced Cancer

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00820417
Enrollment
63
Registered
2009-01-12
Start date
2004-06-30
Completion date
2008-05-31
Last updated
2009-01-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Colorectal Cancer, Head and Neck Cancer, Non Small Cell Lung Cancer (NSCLC)

Keywords

cetuximab, monoclonal, antibody, epidermal, growth, factor, receptor, EGFR, Gefitinib, tyrosine, kinase, inhibitor, advanced, cancer

Brief summary

This is an open-label, phase 1, non-randomised, non-controlled trial, carried out in two centres on patients with advanced cancer expressing EGFR. Primary objective is the determination of the maximum tolerated dose (MTD) and recommended dose (RD) of the combination of intravenous Cetuximab and oral Gefitinib.

Detailed description

Between 36 and 66 patients will be enrolled depending on the number of dose levels which can be completed. Patients will have histologically confirmed EFGR-expressing solid malignant tumours (colorectal cancer, head and neck cancer and NSCLC), which did not respond to standard therapy or for which no suitable therapy exists.

Interventions

DRUGCetuximab/Gefitinib combination and/or monotherapy

Sponsors

Merck KGaA, Darmstadt, Germany
CollaboratorINDUSTRY
AstraZeneca
CollaboratorINDUSTRY
Harrison Clinical Research
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Written informed consent prior to inclusion * Confirmed histological diagnosis of non-resectable, solid, malignant, EGFR expressing tumours of the following types: colorectal cancer, head and neck cancer and non-small cell lung cancer (NSCLC). Advanced clinical stage III/IV which did not respond to standard therapy or for which no suitable therapy exists * Patients with at least one evaluable lesion (evaluable disease) by the RECIST criteria * Availability of tumour tissue, whether from primary tumour or metastasis to determine EGFR expression * Viability of establishing outpatient treatment * Effective contraception for patients of both sexes if there is a risk of conception * Karnofsky performance status greater than 70 % * Life expectancy \> 12 weeks * Adequate renal function (creatinine \< 1.5 x UNL), liver function (bilirubin \< 1.5 x UNL, ALT/AST \< 2.5 x UNL o \<5 x UNL if hepatic metastasis) and adequate bone marrow (leucocytes \> 3000/µl, absolute neutrophil count \> 1500/µl, platelets \> 100,000/µl, haemoglobin \> 9 g/dl) * Patients must not have undergone chemotherapy, radiotherapy or major surgery during the 3 weeks before the beginning of the study, and they must have recovered from the relevant secondary effects of previous treatments * Patients agree to have a new biopsy after two weeks.

Exclusion criteria

* Patients with any symptom of bowel obstruction and/or inflammatory bowel disease * Previous therapy with anti-EGFR drugs * Patients with known cerebral metastasis * Patients with known active and uncontrolled infections * Severe uncontrolled organic dysfunctions or metabolic disorders * Patients unable to give informed consent * Patients who do not wish to or who cannot undergo the specific study treatments and the study procedures * Pregnancy or breastfeeding * Patient participation in another clinical trial during the previous 30 days * Patients with known drug and/or alcohol abuse * Known hypersensitivity to chimeric MoAbs or pretreatment with MoAbs * Any other malignant tumour in the last two years or previously diagnosed malignant tumour if there is no guarantee that it is under complete control, except for suitably treated in situ cervical carcinoma or basocellular carcinoma * Known severe hypersensitivity to ZD1839 or any of the excipients of this product * Any evidence of clinically active interstitial lung disease (patients with chronic, stable, radiographic changes who are asymptomatic need not to be excluded) * Any unresolved chronic toxicity greater than common toxicity criteria (CTC) grade 2 from previous anticancer therapy * Concomitant use of phenytoin, carbamazepine, rifampicin, barbiturates, or St John's Wort

Design outcomes

Primary

MeasureTime frame
The primary objective of the study is to determine the maximum tolerated dose (MTD) and the recommended dose (RD) of the combination intravenous Cetuximab/oral Gefitinib.

Secondary

MeasureTime frame
To determine the pharmacokinetic (PK) parameters of the combination Cetuximab/Gefitinib
To determine the pharmacogenomic profile of study patients and to correlate the different profiles with efficacy
To determine the possible correlation between activity and the polymorphisms of the EGFR measured in the blood and in the primary tumour
To assess the possible immune response related to cetuximab
To estimate signs of clinical activity (response rate according to the RECIST criteria)

Countries

Belgium, Spain

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026