Document Type

Audio File

Publication Date

7-2014

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This article has been peer reviewed. It is the authors' final version prior to publication in Urology

Volume 84, Issue 1, July 2014, Pages 122-126.

The published version is available at DOI: 10.1016/j.urology.2014.03.006. Copyright ©

Elsevier Inc.

Abstract

OBJECTIVE: To detail and put into perspective, safety of hexaminolevulinate blue light cystoscopy (HAL-BLC), including repeated use, based on combined data of controlled trials used for registration of HAL and postmarketing experience.

METHODS: Safety data of 2 randomized comparative studies (group 1) and 4 within patient control studies (group 2) were combined. Postmarketing data from >200,000 patients were analyzed.

RESULTS: In group 1, 533 patients were examined with HAL-BLC and 499 with white light (WL) cystoscopy. In group 2, 791 patients were examined with both WL and HAL-BLC. Between 73% and 93% of these patients had concomitant diseases. Between 41% and 58% of the patients had at least 1 adverse event (AE), although predominantly mild to moderate. The majority was considered as not related to HAL-BLC and reported in the urinary tract. No serious adverse events (SAEs) were considered definitely related to HAL-BLC, but in 6 patients serious AEs were of an uncertain relationship. Four possibly related hypersensitivity reactions have been reported. Repeated use did not reveal additional toxicity, also supported by data from 3 European centers.

CONCLUSION: This combined and detailed analysis of patients from 6 HAL-BLC studies with very comparable criteria shows that HAL-BLC is safe and poses very little additional risks other than expected for WL cystoscopy for bladder tumor resection in this specific patient population. This is supported by 9 years of postmarketing experience. Repeated use also seems safe.

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