IRCT2013072814190N1 IRCT 2013-08-21 Ahwaz Jundishapur University of Medical Sciences, Vice Chancellor for Research and technology Effect of Platelet-rich plasma treatment of male pattern baldness Clinical evaluation of platelet- rich plasma effect on androgenic alopecia in men aged 25-45 years 2013-02-19 anticipated 19 Complete https://irct.ir/trial/13834 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment. N/A Androgenetic Alopecia. at the first, the Site was sterilized with alcohol,Using a 19-gauge needle, 10 ml of blood was collected in sterile conditions.afterwards,The sample was inserted in a disposable PRP kit.And Was shaken to mix the blood with the anticoagulant. Then placed in a centrifuge machine,Santryfyvzhshd speed of 3000 rpm for 6 minutes.When the plasma was separated from blood cells.The second time was centrifuged at a speed of 3300 rpm for 3 min.Thus, the plasma concentration of platelets (PRP) was obtained. Compared with the patient's blood platelet count was more than 5 times in the sample. Finally,Calcium gluconate was added to the PRP, And creates favorable conditions for injection.PRP was prepared by the Department of Dermatology, Imam Khomeini Hospital, Ahwaz.For each patient, two regions with the lowest density of scalp hair have been selected.the area of each zone was 2.5 cm to 2.5 cm, And were 2.5 cm apart from each other and the extent of this area was identified by a tattoo.Injections are performed between the dermis and subcutaneous..