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. 2020 May 16;26(4):565–585. doi: 10.1093/humupd/dmaa009

Table III.

New progesterone receptor modulating drugs for endometriosis treatment with study protocols registered in ClinicalTrials.gov

Class Substance Route Trial number Completed
Progesterone Progesterone Subcutaneous NCT02793908 No
Progestin Etonogestrel (Nexplanon) Subcutaneous implant NCT02669238 No
SPRM? Danazol Vaginal ring NCT00117481 Yes
PR antagonist PF-02413873 Oral NCT00800618 Yes
Analgesic + progestin Low dose naltrexone + norethindrone acetate Oral NCT03970330 No