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Clinical Trial Summary

RATIONALE: Chemoprevention is the use of certain drugs to keep cancer from forming. The use of selenium and vitamin E may stop cancer from growing or coming back.

PURPOSE: This randomized phase III trial is studying giving selenium together with vitamin E to see how well it works compared with a placebo in preventing cancer progression and recurrence in patients with early-stage bladder cancer.


Clinical Trial Description

OBJECTIVES:

- To investigate whether selenium and/or vitamin E (α-tocopherol) supplementation reduces the risk of recurrence and progression.

OUTLINE: This is a multicenter study. Patients are stratified by recurrence risk group (high vs intermediate) and treatment center and randomized to 1 of 4 treatment arms.

- Arm I: Patients receive oral selenium tablet and oral vitamin E capsule once daily.

- Arm II: Patients receive oral selenium tablet and oral placebo capsule once daily.

- Arm III: Patients receive oral placebo tablet and oral vitamin E capsule once daily.

- Arm IV: Patients receive oral placebo tablet and oral placebo capsule once daily.

In all arms, treatment continues for up to 5 years in the absence of disease progression or unacceptable toxicity.

Quality of life is assessed every 6 months for 5 years.

Peer Reviewed and Funded or Endorsed by Cancer Research UK. ;


Study Design

Allocation: Randomized, Masking: Double-Blind, Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT00553345
Study type Interventional
Source National Cancer Institute (NCI)
Contact
Status Recruiting
Phase Phase 3
Start date December 2005

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