IRCT20180205038629N1 IRCT 2018-10-22 Iran University of Medical Sciences Effect of acupuncture in coccydynia ‍‍‍Comparison of the effectiveness between steroid injection plus acupuncture and steroid injection alone in patients with coccydynia 2017-09-16 anticipated 36 Complete https://irct.ir/trial/32534 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Patients were included in the study using randomized sequencing (block randomization ), Blinding description: The analyser dose not know about which data is in the group of cases or controls. N/A Coccydynia. Intervention 1: Intervention group: acupuncture ( 8 sessions, twice a week) plus steroid injection in coccyx. Intervention 2: Control group: steroid injection in coccyx. No - There is not a plan to make this available Justification or reason for not sharing IPD is there is no more information