IRCT20201108049311N4 IRCT 2021-09-06 Tabriz University of Medical Sciences Effect of Nigella sativa extraction supplement in benign prostatic hyperplasia Evaluation of the effect of Nigella sativa extraction supplement for benign prostatic hyperplasia patients treatment: A randomized placebo-controlled clinical trial 2021-08-23 anticipated 60 Complete https://irct.ir/trial/58182 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: This study will be perform by simple randomization. patients will be numbered based the referred date and on the other hand, 60 numbers will be written from 1 to 60 and then 30 numbers will be randomly selected among them that will be Nigella sativa extraction supplement receiving. Other patients number will receive placebo, Blinding description: The present study will be perform as single-blinded and only patients will be blinded. Nigella sativa extraction supplement and placebo will be placed in similar and coded cans and volunteers will not be informed about receiving the brand drug or the other drugs. Furthermore, the placebo will be similar with the drug in terms of appearance (shape and color), the taste and smell. Therefore, patients will be unaware from prescribed drugs and assignment of utilized drug in this study. 2 Benign prostatic hyperplasia. Intervention 1: Intervention group: capsule recipients containing 75 milligram hydroalcoholic Nigella sativa extraction of Zahravi pharmatheutical company in the form of two capsules per meal (three times a day) which will be taken orally. Intervention 2: Control group: placebo capsule recipients containing excipient in the form of two capsules per meal (three times a day) which will be taken orally. No - There is not a plan to make this available Justification or reason for not sharing IPD is There is no more information.