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Author:Tjeerd Korver , Fang Chen ...
Data Source:[J].Quality of Life Research(IF 2.412), 2017, Vol.26 (8), pp.2041-2055Springer
Abstract:The objective of this study was to evaluate the psychometric properties of the Dysmenorrhea Daily Diary (DysDD), an electronic patient-reported outcome, in a sample of 355 women with primary dysmenorrhea enrolled in a phase IIb, multicenter, randomized, partially blinded, placebo...
Author:... Sandra M. Cruz , Yinna Wang , Tjeerd Korver
Data Source:[J].Contraception(IF 3.09), 2018Elsevier
Abstract:Abstract(#br)Objective(#br)To evaluate the effect of investigational vaginal rings containing nomegestrol acetate (NOMAC) plus 17β-estradiol (E2) or etonogestrel (ENG) plus E2 in women with moderate to severe primary dysmenorrhea.(#br)Study design(#br)This was a Phase 2b ran...
Author:Tjeerd Korver , Annpey Pong ...
Data Source:[J].Contraception(IF 3.09), 2019Elsevier
Abstract:Abstract(#br)Objectives(#br)To evaluate if a simple method for characterizing vaginal bleeding patterns in etonogestrel contraceptive implant users can predict subsequent patterns and bleeding-related discontinuation over the first 2 years of use.(#br)Study Design(#br)We rea...
Author:... Carolyn Westhoff , Uma Kher , Tjeerd Korver
Data Source:[J].Contraception(IF 3.09), 2016Elsevier
Abstract:Abstract(#br)Objectives(#br)To obtain more precise and detailed information regarding the bleeding patterns of nomegestrol acetate (NOMAC)/17β-estradiol (E2) and drospirenone/ethinyl estradiol (DRSP/EE) and to identify whether baseline demographic characteristics were associ...
Author:... Carolyn Westhoff , Uma Kher , Tjeerd Korver
Data Source:[J].Contraception(IF 3.09), 2016Elsevier
Abstract:Abstract(#br)Objectives(#br)To obtain more precise and detailed information regarding the bleeding patterns of nomegestrol acetate (NOMAC)/17β-estradiol (E2) and drospirenone/ethinyl estradiol (DRSP/EE) and to identify whether baseline demographic characteristics were associ...
Author:... Tara L. Frenkl , Sandra M. Cruz , Tjeerd Korver
Data Source:[J].The European Journal of Contraception & Reproductive Health Care(IF 1.808), 2018, Vol.23 (4), pp.245-254Taylor & Francis
Abstract:Abstract(#br)Purpose:(#br) To identify at least one contraceptive vaginal ring that effectively inhibits ovulation and demonstrates cycle control that is non-inferior to NuvaRing® (Merck Sharp & Dohme B.V., The Netherlands) in terms of an unscheduled bleeding inci...
Author:Mitchell D. Creinin , Han Witjes , Tjeerd Korver
Data Source:[J].Obstetrics & Gynecology(IF 4.798), 2014, Vol.123 Suppl, pp.105S-105SWolters Kluwer
Abstract:INTRODUCTION:: Nomegestrol acetate and 17β-estradiol is a novel combined oral contraceptive; the aim of this analysis is to compare the effects of nomegestrol acetate and 17β-estradiol against drospirenone and ethinylestradiol. METHODS:: We pooled analyses from two 1-year, r...
Author:Tjeerd Korver , Maya Marintcheva-Petrova ...
Data Source:[J].The European Journal of Contraception & Reproductive Health Care(IF 1.808), 2016, Vol.21 (4), pp.303-309Taylor & Francis
Abstract:Abstract(#br)Objectives: (#br)The aim of the study was to assess the efficacy and tolerability of the monthly vaginal ring (NuvaRing; 15 μg ethinylestradiol [EE] and 120 μg etonogestrel per day) compared with a monophasic (21/7) combined oral contraceptive (COC) containing 3...
Author:... Inger Sundström-Poromaa , Allison Martin Nguyen , Tjeerd Korver
Data Source:[J].The European Journal of Contraception & Reproductive Health Care(IF 1.808), 2015, Vol.20 (4), pp.296-307Taylor & Francis
Abstract:Abstract(#br)Objectives(#br) To compare premenstrual and menstrual symptoms in healthy women using nomegestrol acetate/17β-estradiol (NOMAC/E2) and drospirenone/ethinylestradiol (DRSP/EE) via the Moos Menstrual Distress Questionnaire Form C (MDQ-C).(#br)Methods(#br) Women co...
Author:Tjeerd Korver , Christine Klipping ...
Data Source:[J].Contraception(IF 3.09), 2004, Vol.71 (1), pp.8-13Elsevier
Abstract:Abstract(#br)Background(#br)In contrast to traditional progestagen-only pills (POPs), the desogestrel-only pill Cerazette® consistently inhibits ovulation. This study was performed to test the hypothesis that desogestrel alone will keep inhibiting ovulation even when pills a...

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