US 12,478,630 B2
Method for treating endometriosis and providing effective contraception
Enrico Colli, Madrid (ES); and Salustiano Pérez, Madrid (ES)
Assigned to CHEMO RESEARCH, S.L., Madrid (ES)
Filed by CHEMO RESEARCH, S.L., Madrid (ES)
Filed on Oct. 9, 2024, as Appl. No. 18/911,121.
Application 18/911,121 is a continuation of application No. 18/682,824, previously published as PCT/EP2022/072511, filed on Aug. 11, 2022.
Claims priority of application No. 21382757 (EP), filed on Aug. 12, 2021.
Prior Publication US 2025/0108061 A1, Apr. 3, 2025
Int. Cl. A61K 31/585 (2006.01); A61K 9/20 (2006.01)
CPC A61K 31/585 (2013.01) [A61K 9/2009 (2013.01); A61K 9/2013 (2013.01); A61K 9/2018 (2013.01); A61K 9/2054 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method of providing contraception to a female subject, comprising orally administering drospirenone in a biphasic regimen to said subject, wherein during a first phase a daily amount of drospirenone of from about 3.0 mg to about 6.0 mg is orally administered and during a second phase a lower daily amount of drospirenone of from about 2.5 mg to about 3.5 mg is orally administered.