A postmarketing observational study assessing acceptability and reliability of desogestrel only contrapceptive pill (Cerazette) in Indian women.
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2006-11-21
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A postmarketing observational study was carried out in a prospective, open and multi-centric manner monitoring a treatment period of 4 cycles (4 x 28 days) among Indian women of child bearing age to determine the acceptability and reliability of desogestrel (75 microg/day), an oestrogen-free pill. It involved 299 subjects recruited at each of 20 centres spread all over India. The study duration for each subject was 16 weeks with follow-up visits at 4, 8 and 16 weeks intervals. At each follow-up visit, subjects were evaluated for any failure of contraception, change in bleeding pattern and other adverse events. Of the study subjects, 238 (79.6%) continued the study for 4 cycles and were thus considered eligible for analysis of bleeding patterns with no failure of contraception. In addition, the physician's as well as patient's global assessment, demonstrated a "very good" response in majority of subjects (> 84%). A sizeable number of cases (47.9%) had infrequent episodes (1 to 5) of bleeding--spotting during the shifted reference period, while 41.2% experienced amenorrhoea. There was no clinically significant change in blood pressure or body weight. Of the 299 such subjects enrolled, 53 subjects were lost to follow-up and did not come for the 1st follow-up visit. Hence, out of the 246 subjects, 21.1% presented with 78 separate adverse events during 960 treatment cycles. None of the reported adverse events were severe and there was not even a single serious adverse effect during the course of the study. Nausea, breast tenderness and headache (7.7%, 10.1% and 9.7% respectively) were the most frequent adverse events observed during the study. Desogestrel 75 mg/day was well accepted in majority of Indian women. It provides good contraceptive efficacy, with a lower incidence of irregular bleeding and spotting episodes.
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Ray S, Sovani VB. A postmarketing observational study assessing acceptability and reliability of desogestrel only contrapceptive pill (Cerazette) in Indian women. Journal of the Indian Medical Association. 2006 Nov; 104(11): 653-6