Can quitting smoking after bladder cancer diagnosis prevent recurrence?

NCT ID NCT02400944

Ongoing Knowledge-focused Sponsor: Memorial Sloan Kettering Cancer Center Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study follows 600 people with non-muscle invasive bladder cancer to see how changes in smoking habits and body weight after diagnosis affect the chance of cancer coming back. Participants fill out questionnaires and provide saliva or urine samples over time. The goal is to learn which lifestyle factors might help prevent recurrence.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this study could identify lifestyle factors that lower the chance of bladder cancer coming back.
What could go wrong: This is an observational study, not a treatment trial. It can show links but not prove cause and effect. Results may take years and might not lead to clear recommendations.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

non-invasive bladder urothelial carcinoma urinary bladder carcinoma Urinary Bladder Neoplasms

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

BLADDER CANCER

Contacts and locations

Locations

Memorial Sloan Kettering Cancer Center

Basking Ridge, New Jersey, United States
Memorial Sloan Kettering Cancer Center

New York, New York, 10065, United States
Memorial Sloan Kettering Commack

Commack, New York, 11725, United States
Memorial Sloan Kettering Westchester

Harrison, New York, 10604, United States

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