Rectal Cancer Clinical Trial
Official title:
A Phase 1-2 Trial of Cetuximab in Combination With Oxaliplatin, Capecitabine, and Radiation Therapy Followed by Surgical Resection for Locally-Advanced Rectal Cancer
Verified date | November 2017 |
Source | Stanford University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The objectives of this study are to:
1. To assess dose-limiting toxicities (DLTs) of capecitabine +/- oxaliplatin in a
combination regimen with capecitabine and radiotherapy (Phase 1)
2. To determine the maximum-tolerated dose (MTD) when capecitabine
- oxaliplatin in a combination regimen with capecitabine and radiotherapy (Phase 1)
3. To determine the pathologic response rate of cetuximab +/- oxaliplatin in combination
with capecitabine and radiotherapy (Phase 2)
Status | Terminated |
Enrollment | 23 |
Est. completion date | February 2009 |
Est. primary completion date | March 2008 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility |
INCLUSION CRITERIA - Histologically-confirmed adenocarcinoma of the rectum. Clinical stages T3; T4; or N1 as determined by endoscopic ultrasound; or a rectal CT or MRI scan are eligible, including T3 N0; T3 N1; T4 N0; T4 N1; T1-4 N1. Rectal cancers are defined as those whose distal border extends to within 12 cm of the anal verge. - Age = 18 - Karnofsky performance status (KPS) = 70 - Leukocyte count > 3,500 x 10e6/µL - Platelet count > 100,000/µL - Serum glutamic-oxaloacetic transaminase (SGOT) < 2.5 x institutional upper limits of normal (ULN) - Serum glutamic-pyruvic transaminase (SGPT) < 2.5 x ULN - Alkaline phosphatase < 2.5 x ULN - Total bilirubin < 1.5x ULN - Creatinine: - Within normal institutional limits - OR - Creatinine clearance > 60 mL/min/1.73 m2 (if serum creatinine levels above institutional normal) - Ability to swallow pills without difficulty - Women of child-bearing potential must have a negative serum or urine pregnancy test (minimum sensitivity 25 IU/L or equivalent units of HCG), within 72 hours prior to the start of study medication - Women of child-bearing potential must be using an adequate method of contraception to avoid pregnancy throughout the treatment EXCLUSION CRITERIA - Metastatic (M1) or stage IV disease - Prior history of treatment with cetuximab or other therapy targeting EGFR - Prior history of anti-cancer murine monoclonal antibody therapy - Prior pelvic or whole abdominal radiotherapy - Uncontrolled intercurrent illness including, but not limited to: - Ongoing or active infection - Symptomatic congestive heart failure - Unstable angina pectoris - Cardiac arrhythmia - Psychiatric illness / social situations that would limit compliance with study requirements - Patients with a concurrent malignancy or previous malignancy within 5 years of screening will be excluded from this study (EXCEPTION: concurrent or previous non-melanoma skin cancer, hematolymphoid malignancy or carcinoma in-situ of the cervix may be allowed at the investigator's discretion) - Inability to sign written consent - Pregnant or breastfeeding - Unwilling or unable to use effective contraception in self or partner for the entire study period and for up to 4 weeks after the study |
Country | Name | City | State |
---|---|---|---|
United States | Stanford University School of Medicine | Stanford | California |
Lead Sponsor | Collaborator |
---|---|
George Albert Fisher | Bristol-Myers Squibb |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Dose-limiting Toxicity (DLT) - Number of DLTs by Treatment Group | Dose-limiting Toxicity (DLT) is the measure used to establish overall Maximum-tolerated dose (MTD) of cetuximab + capecitabine + radiotherapy +/- oxaliplatin. MTD is defined as the highest dose level for which participants have a < 30% incidence of dose-limiting toxicity (DLT). The outcome is expressed as the number of DLTs by treatment group. | 10 weeks | |
Primary | Dose-limiting Toxicity (DLT) - Number of Participants Affected | Dose-limiting Toxicity (DLT) is the measure used to establish overall Maximum-tolerated dose (MTD) of cetuximab + capecitabine + radiotherapy +/- oxaliplatin. MTD is defined as the highest dose level for which participants have a < 30% incidence of dose-limiting toxicity (DLT). The outcome is expressed as the number of participants experiencing a DLT. | 10 weeks | |
Secondary | Pathologic Response Rate | After treatment with capecitabine, cetuximab, radiotherapy, and oxaliplatin, the pathologic response rate was assessed based on the excised tumor taken at the time of surgical resection. Pathologic response rate was determined as the number and proportion of participants who experienced either downstaging of their disease, or complete response (CR, no detectable disease). A participant will be considered to have downstaging of the tumor as a result of the neoadjuvant therapy when the primary tumor (T) stage by pathology isless than the T stage by clinical (endoscopic) evaluation, or when the regional lymph node (N) tumor stage by pathology is less than the N stage by clinical (endoscopic) evaluation. | 12 to 14 weeks after radiotherapy | |
Secondary | Tumor Downstaging at Surgical Resection | Downstaging means a reduction from the stage of disease observed at baseline to the stage of disease after treatment with cetuximab, radiotherapy, oxaliplatin, and capecitabine, as determined at the time of surgical removal of the tumor. Downstaging may be observed as improvements in tumor staging at the primary site of the tumor; in nearby (regional) lymph nodes; or in metastatic disease beyond the regional lymph nodes. This outcome specifically does not include participants that achieved a complete response, nor those that experienced no response or disease progression. | 12 to 14 weeks after radiotherapy | |
Secondary | Time-to-Progression (TTP) | Time-to-progression was assessed as the time from the date of surgical resection to the appearance of either local disease recurrence or distant metastases by any modality (eg, clinical exam, endoscopy, radiographic imaging). All relapses were to be confirmed by biopsy and pathology review. | 5 years | |
Secondary | Overall Survival (OS) | Overall Survival (OS) was assessed as the mean survival from the date of entry on study though 72 months. | 72 months | |
Secondary | Survival at 5 Years | Survival at 5 years was assessed as the number of participants alive 5 years after starting treatment. | 5 years |
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