The Journal of urology · 2007
Did patients with interstitial cystitis who failed to respond to initial treatment with bacillus Calmette-Guerin or placebo in a randomized clinical trial benefit from a second course of open label bacillus Calmette-Guerin?
СтатьяРандомизированное исследованиеПоддержка NIH: внешняя программаНазвание и аннотация: Перевод в очереди
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Propert Kathleen Joy, Mayer Robert, Nickel J Curtis, Payne Christopher K, Peters Kenneth M, Teal Valerie, Burks David, Kusek John W, Nyberg Leroy M, Foster Harris E, Interstitial Cystitis Clinical Trials Group
Аннотация
PURPOSE: We evaluated safety and efficacy outcomes in a case series of subjects who received open label intravesical bacillus Calmette-Guerin after failing to respond to bacillus Calmette-Guerin or intravesical placebo in a randomized clinical trial.
MATERIALS AND METHODS: Subjects who met National Institutes of Health-National Institute of Diabetes and Digestive and Kidney Diseases criteria for IC and reported at least moderate pain and frequency were initially randomized to 6 weekly intravesical instillations of bacillus Calmette-Guerin or placebo and followed for a total of 34 weeks. At 34 weeks subjects who reported that they had not responded to treatment were offered treatment with open label bacillus Calmette-Guerin, using the same course of treatment and followup. Outcomes included a patient reported global response assessment, a 24-hour voiding diary, pain, urgency, validated interstitial cystitis symptom indexes and adverse events.
RESULTS: A total of 156 subjects elected open label bacillus Calmette-Guerin, of whom 18 (12%) withdrew during the open label series. The response rate based on the global response assessment was 18% and it was identical between those initially randomized to placebo (first course of bacillus Calmette-Guerin in the open label series) and those initially randomized to bacillus Calmette-Guerin (second course). Small improvements were observed for most secondary efficacy outcomes. Most participants reported at least 1 adverse event, primarily pain, genitourinary symptoms and gastrointestinal disturbances. However, there was no difference in adverse events between those who received the first course of bacillus Calmette-Guerin in this series compared to those who received 2 courses.
CONCLUSIONS: The low response rate for bacillus Calmette-Guerin in this open label case series further argues against the routine use of bacillus Calmette-Guerin as treatment for interstitial cystitis.
MATERIALS AND METHODS: Subjects who met National Institutes of Health-National Institute of Diabetes and Digestive and Kidney Diseases criteria for IC and reported at least moderate pain and frequency were initially randomized to 6 weekly intravesical instillations of bacillus Calmette-Guerin or placebo and followed for a total of 34 weeks. At 34 weeks subjects who reported that they had not responded to treatment were offered treatment with open label bacillus Calmette-Guerin, using the same course of treatment and followup. Outcomes included a patient reported global response assessment, a 24-hour voiding diary, pain, urgency, validated interstitial cystitis symptom indexes and adverse events.
RESULTS: A total of 156 subjects elected open label bacillus Calmette-Guerin, of whom 18 (12%) withdrew during the open label series. The response rate based on the global response assessment was 18% and it was identical between those initially randomized to placebo (first course of bacillus Calmette-Guerin in the open label series) and those initially randomized to bacillus Calmette-Guerin (second course). Small improvements were observed for most secondary efficacy outcomes. Most participants reported at least 1 adverse event, primarily pain, genitourinary symptoms and gastrointestinal disturbances. However, there was no difference in adverse events between those who received the first course of bacillus Calmette-Guerin in this series compared to those who received 2 courses.
CONCLUSIONS: The low response rate for bacillus Calmette-Guerin in this open label case series further argues against the routine use of bacillus Calmette-Guerin as treatment for interstitial cystitis.