Erlotinib Before and After Surgery in Treating Patients With Muscle-Invasive Bladder Cancer
A Phase II Study of Erlotinib (Tarceva®) in Patients With Muscle-Invasive Bladder Cancer Undergoing Radical Cystectomy
RATIONALE: Erlotinib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Giving erlotinib before surgery may make the tumor smaller and reduce the amount of normal tissue that needs to be removed. Giving erlotinib after surgery may kill any tumor cells that remain after surgery.
PURPOSE: This phase II trial is studying how well erlotinib works when given before and after surgery in treating patients with muscle-invasive bladder cancer.
연구 개요
상세 설명
OBJECTIVES:
Primary
- Determine the effect of neoadjuvant erlotinib hydrochloride on histopathological, molecular, and genetic correlates in patients undergoing radical cystectomy for muscle-invasive bladder cancer.
Secondary
- Determine the pathological complete response rate in surgical specimens from patients treated with this drug.
- Determine recurrence and progression rates after cystectomy (up to 2 years after surgery) in patients treated with neoadjuvant and adjuvant erlotinib hydrochloride.
- Determine 2- and 5-year disease-free, disease-specific, and overall survival rates in patients treated with this drug.
- Determine the safety of this drug in these patients.
OUTLINE: This is an open-label study.
Patients receive oral erlotinib hydrochloride once daily for 4 weeks. Patients then undergo radical cystectomy with curative intent. Within 12 weeks after surgery, patients resume oral erlotinib hydrochloride* once daily for up to 2 years in the absence of disease progression or unacceptable toxicity.
Note: *Patients who are candidates for adjuvant chemotherapy (e.g., found to have pathologic stage T3 (pT3), Node positive (N+) disease) do not receive erlotinib hydrochloride after surgery.
Tumor tissue is obtained at baseline (at the original or confirmatory transurethral resection of the bladder tumor) and at the time of cystectomy for analysis of drug-specific and tissue-based biomarkers by western blot, immunohistochemistry, and gene array techniques. Histopathological, molecular, and genetic correlates are analyzed to better understand the potential effects of the epidermal growth factor receptor (EGFR) inhibition in transitional cell carcinoma and to determine the effect of neoadjuvant erlotinib on gene expression. Tumor tissue is also evaluated by real-time polymerase chain reaction to confirm drug effects on expected targets and on EGFR expression, activity, and affected signaling pathways in the disease state and by microarray analysis to define expression phenotypes correlating with outcome, distinguish responders from nonresponders, and determine effects of drug treatment on gene expression in disease.
Patients are followed periodically for up to 5 years after surgery.
연구 유형
등록 (실제)
단계
- 2 단계
연락처 및 위치
연구 장소
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North Carolina
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Chapel Hill, North Carolina, 미국, 27599-7295
- Lineberger Comprehensive Cancer Center at University of North Carolina - Chapel Hill
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
DISEASE CHARACTERISTICS:
Histologically confirmed muscle-invasive bladder cancer, meeting the following criteria:
- Clinical stage T2 disease
- No locally-extensive clinical stage T3 or T4 disease
- No metastatic disease (N+, M+) by physical exam or radiologic evaluation
- Must have undergone prior initial or confirmatory transurethral resection of the bladder tumor (TURBT)
- Candidate for and has agreed to undergo radical cystectomy with curative intent
- No non-transitional cell carcinoma histologies
PATIENT CHARACTERISTICS:
- Eastern Cooperative Oncology Group (ECOG) performance status 0-2
- Granulocyte count > 1,500/mm³
- Platelet count > 100,000/mm³
- Bilirubin normal
- Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) < 2 times upper limit of normal
- Creatinine normal
- Not pregnant or nursing
- Negative pregnancy test
- Fertile patients must use effective contraception
- No contraindication to erlotinib hydrochloride or other tyrosine kinase inhibitors
PRIOR CONCURRENT THERAPY:
No prior radiotherapy or systemic chemotherapy for bladder cancer
- Prior single-dose mitomycin C allowed at the time of TURBT
- Prior 6- or 12-week course of adjuvant intravesical Bacillus Calmette-Guerin (BCG) therapy with or without recombinant interferon alfa-2a allowed
- At least 4 weeks since other prior or concurrent radiotherapy, chemotherapy, or hormonal therapy
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 치료
- 할당: 해당 없음
- 중재 모델: 단일 그룹 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
|---|---|
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실험적: Erlotinib
erlotinib given before and after transurethral resection of a bladder tumor, TURBT
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Erlotinib will be given at a dose of 150 mg per day for 4 weeks before undergoing planned radical cystectomy.
In addition, patients will continue on erlotinib daily at a dose of 150 mg per day (qd dosing) for up to 2 years after surgery (beginning within 12 weeks of surgery) or until evidence of disease recurrence or progression
다른 이름들:
Will occur 4 weeks prior to dosing with erlotinib
|
연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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EGFR Activation Signal (AKT2) Expression to Predict Sensitivity to Erlotinib
기간: 4 weeks before treatment and 4 weeks post treatment
|
Determine the effect of neoadjuvant erlotinib hydrochloride on histopathological, molecular, and genetic correlates in patients undergoing radical cystectomy for muscle-invasive bladder cancer.
Gene expression of pre-treatment and post-treatment tumor samples were analyzed to define molecular determinants of response or resistance to epidermal growth factor receptor (EGFR) inhibition.
Both in vitro and in vivo EGFR-associated signatures were evaluated on pre-treatment bladder tumors.
Candidate molecular determinants of sensitivity to EGFR inhibition were characterized and examined for their ability to predict sensitivity to EGFR inhibitors in vitro.
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4 weeks before treatment and 4 weeks post treatment
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
|
Pathological Complete Response Rate
기간: 4 weeks
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Determine the pathological complete response rate (P0 rate) after undergoing radical cystectomy (RC).
Evaluated using Response Evaluation Criteria In Solid Tumors (RECIST).
Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), >=30% decrease in the sum of the longest diameter of target lesions; Overall Response (OR) = CR + PR.
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4 weeks
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Disease Recurrence and Progression Rates After Cystectomy
기간: 2 years
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To determine disease recurrence/progression rates after cystectomy in patients treated with erlotinib
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2 years
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Overall Survival Rate
기간: 25 months
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The number of patients who remained alive and with no evidence of disease at the mean (range) follow-up of 24.8 months (3.0-36.6).
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25 months
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Number of Subjects Experiencing Adverse Events
기간: 4 weeks - 2 years following surgery
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The incidence of all toxicities observed during neoadjuvant and adjuvant treatment phase.Toxicity will be graded per the Common Terminology Criteria for Adverse Events (CTCAE) 2.0.
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4 weeks - 2 years following surgery
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공동 작업자 및 조사자
수사관
- 수석 연구원: Raj S. Pruthi, MD, UNC Lineberger Comprehensive Cancer Center
간행물 및 유용한 링크
연구 기록 날짜
연구 주요 날짜
연구 시작
기본 완료 (실제)
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
키워드
추가 관련 MeSH 약관
기타 연구 ID 번호
- LCCC 0521
- P30CA016086 (미국 NIH 보조금/계약)
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