Tamsulosin versus tamsulosin plus tadalafil as medical expulsive therapy for lower ureteric stones: a randomized controlled trial
Abstract
OBJECTIVES: To compare the efficacy of tamsulosin versus tamsulosin plus tadalafil as medical expulsive therapy for lower ureteric stones.
METHODS: Between January 2013 and December 2013, 244 patients presenting with distal ureteric stones (size 5-10 mm) were randomized equally to tamsulosin (group A) or tamsulosin plus tadalafil (group B). Therapy was given for a maximum of 4 weeks. Stone expulsion rate, time to stone expulsion, analgesic use, number of hospital visits for pain, follow up, endoscopic treatment and adverse effects of drugs were recorded. Statistical analyses were carried out using Student's t-test and the χ(2) -test.
RESULTS: There was a statistically significant higher expulsion rate in group B compared with group A (83.6% vs 65.5%; P-value = 0.031) and a shorter time to expulsion (14.9 ± 4.4 days vs 16.7 ± 4.8 days; P-value = 0.003). Statistically significant differences were noted in terms of the number of hospital visits and analgesic requirement in favor of group B. There was no serious adverse event. An improvement in erectile function was noted in patients of group B compared with those of group A.
CONCLUSIONS: Medical expulsive therapy for distal ureteric stones using tamsulosin plus tadalafil is safe, effective and well tolerated. Furthermore, tadalafil provides the additional advantage of improving erectile dysfunction when this condition coexists with a lower ureteric stone.
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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