Table 2.

Effects of PRP in different cicatricial and non-cicatricial alopecia

Authors	Study type	Clinical indication	No. patients	Group control	Follow-up (months)	Positive response with PRP	Complications
Alves and Grimalt [17]	RCT	AGA	22	Yes (half-head)	6	Yes	No
Uebel et al. [18]	Prospective nonrandomized	AGA + hair transplantation	20	Yes	7	Yes	No
Cervelli et al. [27]	Retrospective nonrandomized	AGA	10	Yes	12	Yes	No
Takikawa et al. [19]	RCT	AGA	26	Yes	3	Yes	N/A
Schiavone et al. [29]	Prospective nonrandomized	AGA	64	No	6	Yes	No
Jha et al. [49]	Pilot study	AGA	20	Yes	3	Yes	No
Trink et al. [26]	RCT	AA	45	Yes	12	Yes	No
Khademi et al. [46]	Pilot study	AA totalis	10	No	4	No	No
Dina and Aguh [47]	Case series	CCCA/LPP	2	No	3	Yes	No
Bolanča et al. [48]	Clinical case	LPP	1	No	4	Yes	No
Özcan et al. [57]	Clinical case	FFA	1	No	5	Yes	No
Jha [50]	Clinical case	LPP	1	No	–	Yes	No

RCT randomized clinical trial, AGA androgenetic alopecia, AA alopecia areata, LPP lichen planopilaris, CCCA central centrifugal cicatricial alopecia, FFA frontal fibrosing alopecia