Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland · 2014
Isosorbide dinitrate ointment vs botulinum toxin A (Dysport) as the primary treatment for chronic anal fissure: a randomized multicentre study.
Сравнительное исследованиеСтатьяМногоцентровое исследованиеРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Berkel A E M, Rosman C, Koop R, van Duijvendijk P, van der Palen J, Klaase J M
Аннотация
AIM: Nitric oxide donors, such as isosorbide dinitrate ointment (ISDN), are considered as first-choice agents in the treatment of chronic anal fissure. Injection with botulinum toxin A in the internal anal sphincter is often used as a second-line therapy, although it may give better results and fewer side effects than nitric oxide donors. The aim of this randomized clinical trial was to investigate whether botulinum toxin A (Dysport) is more effective than ISDN in the primary treatment of chronic anal fissure.
METHOD: From April 2005 until October 2009, 60 patients (32 men) with a median age of 42 (25-82) years were randomized to receive either ISDN 10 mg/ml (1%) (n = 33) or injection with 60 units of Dysport (n = 27). The primary end-point was the percentage of complete fissure healing after 8 weeks.
RESULTS: After a median of 9 weeks complete fissure healing was noted in 18 of 27 patients in the Dysport group and in 11 of 33 patients in the ISDN group (P = 0.010). Absolute improvement of pain scores after 9 weeks was similar in both groups (P = 0.733). Patients treated with Dysport had fewer side effects than patients treated with ISDN (P = 0.028). Of the patients with a healed fissure, 28% of the Dysport group and 50% of the ISDN group had a recurrence within 1 year (P = 0.286; hazard ratio 2.08; 95% CI = 0.54-7.97).
CONCLUSION: Dysport is more effective than ISDN ointment and has fewer side effects in the primary treatment of chronic anal fissure. The recurrence rate within 1 year in both treatment groups is high.
METHOD: From April 2005 until October 2009, 60 patients (32 men) with a median age of 42 (25-82) years were randomized to receive either ISDN 10 mg/ml (1%) (n = 33) or injection with 60 units of Dysport (n = 27). The primary end-point was the percentage of complete fissure healing after 8 weeks.
RESULTS: After a median of 9 weeks complete fissure healing was noted in 18 of 27 patients in the Dysport group and in 11 of 33 patients in the ISDN group (P = 0.010). Absolute improvement of pain scores after 9 weeks was similar in both groups (P = 0.733). Patients treated with Dysport had fewer side effects than patients treated with ISDN (P = 0.028). Of the patients with a healed fissure, 28% of the Dysport group and 50% of the ISDN group had a recurrence within 1 year (P = 0.286; hazard ratio 2.08; 95% CI = 0.54-7.97).
CONCLUSION: Dysport is more effective than ISDN ointment and has fewer side effects in the primary treatment of chronic anal fissure. The recurrence rate within 1 year in both treatment groups is high.