Purpose: We aimed to investigate the comparative efficacy of terazosin and baclofen in young men with chronic orchialgia using National Institutes of Health Chronic Prostatitis Symptom Index measurement.
Patients and methods: Of 499 young men with chronic orchialgia, 255 received a daily 2 mg terazosin at bedtime and 244 received 10 mg baclofen during a period of 3 months. A daily 10-min hot-tub hip-bath rest was administered for all patients. Moreover, all patients with grade 3 and 18 patients with grade 2 varicocele underwent varicocelectomy. The National Institutes of Health Chronic Prostatitis Symptom Index score was assessed at baseline and 3 months later.
Results: Both terazosin and baclofen groups experienced a significant reduction in mean National Institutes of Health Chronic Prostatitis Symptom Index score (24.78 and 24.81 at baseline to 19.68 and 19.60 after the treatment for terazosin and baclofen groups, respectively). However, there was no significant difference between the groups with regard to post-treatment National Institutes of Health Chronic Prostatitis Symptom Index score after adjustment for the pre-treatment score (p = 0.987). A total of 85 patients (33.4%) in terazosin group and 74 patients (30.3%) in baclofen group underwent varicocelectomy. Addition of the varicocelectomy to the treatment as a multimodal approach had no further improvement in the National Institutes of Health Chronic Prostatitis Symptom Index score.
Conclusion: Although a significant reduction was observed in mean National Institutes of Health Chronic Prostatitis Symptom Index score for both terazosin and baclofen groups, there was no significant difference between the treatments. Moreover, addition of varicocelectomy to terazosin or baclofen could not significantly decrease National Institutes of Health Chronic Prostatitis Symptom Index score; thus, varicocelectomy may not be appropriate for men who have some success with medical management. Further randomized studies are warranted.
Keywords: Chronic orchialgia; baclofen; chronic pelvic pain syndrome; terazosin; varicocele.