PMID- 24279594 OWN - NLM STAT- MEDLINE DCOM- 20140512 LR - 20220318 IS - 1931-843X (Electronic) IS - 1540-9996 (Linking) VI - 23 IP - 3 DP - 2014 Mar TI - Efficacy and safety of a combined oral contraceptive containing estradiol valerate/dienogest: results from a clinical study conducted in North America. PG - 204-10 LID - 10.1089/jwh.2013.4320 [doi] AB - BACKGROUND: This study investigated the efficacy and safety of a combined oral contraceptive (COC) containing estradiol valerate/dienogest (E2V/DNG). METHODS: This was a multicenter, noncomparative, 13-cycle (extended to 28 cycles) study conducted in the United States and Canada. Contraceptive efficacy was calculated as a Pearl Index for 13 cycles, based on all on-treatment pregnancies; bleeding patterns were calculated based on bleeding and spotting information recorded daily in diary cards. Safety events during a 16-month extension study were added to the 1-year data. RESULTS: In total, 499 women, aged 18-35 years, were enrolled, and 490 of them were included in the full analysis set for contraceptive efficacy. Five pregnancies occurred in the first year (unadjusted Pearl Index=1.64). In cycles 1-12, an average 23.5% of women had absent scheduled (withdrawal) bleeding. Among women with scheduled (withdrawal) bleeding, bleeding started after a median of 2 days after intake of the last DNG-containing pill. For safety, data included from 147 women followed over an additional 16 months were added to the original 13-cycle data set. Treatment-related adverse events (AEs) occurred in 51.8% of women; 14.9% discontinued because of AEs over the entire 28-month study period. CONCLUSION: A COC with E2V and DNG was shown to provide effective contraception in women aged 18-35 years in North America. FAU - Nelson, Anita AU - Nelson A AD - 1 Department of Obstetrics and Gynecology, Harbor-UCLA Medical Center , Torrance, California. FAU - Parke, Susanne AU - Parke S FAU - Mellinger, Uwe AU - Mellinger U FAU - Zampaglione, Edio AU - Zampaglione E FAU - Schmidt, Anja AU - Schmidt A LA - eng PT - Clinical Trial, Phase III PT - Journal Article PT - Multicenter Study PT - Research Support, Non-U.S. Gov't DEP - 20131126 PL - United States TA - J Womens Health (Larchmt) JT - Journal of women's health (2002) JID - 101159262 RN - 0 (Contraceptives, Oral, Combined) RN - 0 (Drug Combinations) RN - 0 (estradiol valerate-dienogest) RN - 4TI98Z838E (Estradiol) RN - 6PG9VR430D (Nandrolone) SB - IM CIN - J Womens Health (Larchmt). 2014 Mar;23(3):195-6. PMID: 24528194 MH - Adolescent MH - Adult MH - Canada MH - Contraception/*methods MH - Contraceptives, Oral, Combined/administration & dosage/*adverse effects MH - Drug Administration Schedule MH - Drug Combinations MH - Estradiol/administration & dosage/adverse effects/*analogs & derivatives MH - Female MH - Humans MH - Menstrual Cycle/drug effects MH - Nandrolone/administration & dosage/adverse effects/*analogs & derivatives MH - Ovulation Inhibition/*drug effects MH - Pregnancy MH - Treatment Outcome MH - United States MH - Young Adult EDAT- 2013/11/28 06:00 MHDA- 2014/05/13 06:00 CRDT- 2013/11/28 06:00 PHST- 2013/11/28 06:00 [entrez] PHST- 2013/11/28 06:00 [pubmed] PHST- 2014/05/13 06:00 [medline] AID - 10.1089/jwh.2013.4320 [doi] PST - ppublish SO - J Womens Health (Larchmt). 2014 Mar;23(3):204-10. doi: 10.1089/jwh.2013.4320. Epub 2013 Nov 26.