Radiation Therapy With or Without Carbogen and Niacinamide in Treating Patients With Bladder Cancer
Summary
RATIONALE: Radiation therapy uses high-energy x-rays to damage tumor cells. Drugs such as carbogen and niacinamide may make tumor cells more sensitive to radiation therapy. It is not yet known whether radiation therapy is more effective with or without carbogen and niacinamide in treating patients who have bladder cancer.
PURPOSE: Randomized phase III trial to compare the effectiveness of radiation therapy with or without carbogen and niacinamide in treating patients who have locally advanced bladder cancer.
Description
OBJECTIVES:
- Compare the 6-month cystoscopic response in patients with locally advanced transitional cell carcinoma of the bladder treated with radical radiotherapy with or without radiosensitization with carbogen and niacinamide.
- Compare the local failure-free and overall disease-specific survival of patients treated with these regimens.
- Compare the treatment-related morbidity, in particular acute and chronic bowel and bladder symptoms, in patients treated with these regimens.
- Compare the quality of life of patients treated with these regimens.
OUTLINE: This is a randomized, multicenter study. Patients are randomized to 1 of 2 treatment arms.
- Arm I: Patients receive radical radiotherapy once daily, 5 days a week, for 4-6.4 weeks. Patients also receive oral niacinamide once daily 1.5-2 hours before initiation of each radiotherapy dose and carbogen through a closed breathing system (face mask with a tight air seal or a mouthpiece with nasal clip) once daily beginning 5 minutes before initiation and continuing until completion of each radiotherapy dose.
- Arm II: Patients receive radiotherapy as in arm I. Quality of life is assessed at baseline; at 4 weeks; at 3, 6, and 12 months; and then annually for 4 years.
Patients are followed at 8 and 12 weeks; at 6, 9, and 12 months; and then every 6 months for 4 years.
Peer Reviewed and Funded or Endorsed by Cancer Research UK
PROJECTED ACCRUAL: A total of 330 patients (165 per treatment arm) will be accrued for this study.
Study Design
Allocation: Randomized, Control: Active Control, Primary Purpose: Treatment
Conditions
Bladder Cancer
Intervention
niacinamide, carbogen, radiation therapy
Location
Sussex Cancer Centre at Royal Sussex County Hospital
Brighton
England
United Kingdom
BN2 5BF
Status
Active, not recruiting
Source
National Cancer Institute (NCI)
Results (where available)
Links
- Source: http://clinicaltrials.gov/show/NCT00033436
- Information obtained from ClinicalTrials.gov on July 15, 2010
Published on BioPortfolio: 2014-08-27T03:56:13-0400
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Medical and Biotech [MESH] Definitions
Neoadjuvant Therapy
Preliminary cancer therapy (chemotherapy, radiation therapy, hormone/endocrine therapy, immunotherapy, hyperthermia, etc.) that precedes a necessary second modality of treatment.
Chemotherapy, Adjuvant
Drug therapy given to augment or stimulate some other form of treatment such as surgery or radiation therapy. Adjuvant chemotherapy is commonly used in the therapy of cancer and can be administered before or after the primary treatment.
Organs At Risk
Organs which might be damaged during exposure to a toxin or to some form of therapy. It most frequently refers to healthy organs located in the radiation field during radiation therapy.
Radiation-protective Agents
Drugs used to protect against ionizing radiation. They are usually of interest for use in radiation therapy but have been considered for other, e.g. military, purposes.
Urinary Bladder Neoplasms
Tumors or cancer of the URINARY BLADDER.
