IRCT20140519017756N41 IRCT 2018-03-23 Birjand University of Medical Sciences Effects of aerobic training with cumin supplementation on serum β-endorphin levels and pain intensity The effect of an aerobic training course with and without cumin supplementation on serum β-endorphin levels and pain intensity in non-athlete girls with primary dysmenorrhea 2017-05-05 anticipated 26 Complete https://irct.ir/trial/30035 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: The participants were assigned into study groups via simple allocation method, Blinding description: The study is single-blinded such that the participants were unaware of what capsules they consumed and into which group they were assigned. 2-3 Primary dysmenorrhoea. Intervention 1: Intervention group (Cumin): cumin capsules (300 milligrams every 8 hours) on the first 3 days plus 28 days of aerobic exercise from the fourth day. Intervention 2: Control group (placebo): starch capsules (300 milligrams every 8 hours) on the first 3 days plus 28 days of aerobic exercise from the fourth day. No - There is not a plan to make this available Justification or reason for not sharing IPD is The research team intends to report the findings; however, we do not have a plan to share the raw data.