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- Title
Effects of Pumpkin Seed in Men with Lower Urinary Tract Symptoms due to Benign Prostatic Hyperplasia in the One-Year, Randomized, Placebo-Controlled GRANU Study.
- Authors
Vahlensieck, Winfried; Theurer, Christoph; Pfitzer, Edith; Patz, Brigitte; Banik, Norbert; Engelmann, Udo
- Abstract
Introduction: The German Research Activities on Natural Urologicals (GRANU) study was a randomized, partially blinded, placebo-controlled, parallel-group trial that investigated the efficacy of pumpkin seed in men with lower urinary tract symptoms suggestive of benign prostatic hyperplasia (BPH/LUTS). Subjects and Methods: A total of 1,431 men (50−80 years) with BPH/LUTS were randomly assigned to either pumpkin seed (5 g b.i.d.), capsules with pumpkin seed extract (500 mg b.i.d.) or matching placebo. The primary response criterion was a decrease in International Prostate Symptom Score (IPSS) of ≥5 points from baseline after 12 months. Secondary outcome measures included IPSS-related quality of life, IPSS single items and diary-recorded nocturia. Results: After 12 months, the response rate (intention-to-treat/last-observation-carried-forward approach) did not differ between pumpkin seed extract and placebo. In the case of pumpkin seed (responders: 58.5%), the difference compared with placebo (responders: 47.3%) was descriptively significant. The study products were well tolerated. Overall, in men with BPH, 12 months of treatment with pumpkin seed led to a clinically relevant reduction in IPSS compared with placebo. Conclusion: In order to fully justify a recommendation for the use of pumpkin seed to treat moderate LUTS, these findings need to be substantiated in a confirmatory study or systematic review. © 2014 S. Karger AG, Basel
- Subjects
URINARY tract infection treatment; BENIGN prostatic hyperplasia; DISEASE complications; DISEASES in men; SYMPTOMS; PUMPKIN seeds; PLACEBOS; RANDOMIZED controlled trials
- Publication
Urologia Internationalis, 2015, Vol 94, Issue 3, p286
- ISSN
0042-1138
- Publication type
Article
- DOI
10.1159/000362903