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Mymensingh Med J. 2017 Apr;26(2):432-438.

Orlistat (The Lipase Inhibitor) Therapy in Overweight and Obese Subfertile Women.

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Dr Dalia Rahman, Junior Consultant, Obstetrics & Gynecology, Dhaka Medical College Hospital, Dhaka, Bangladesh.


This experimental study was carried out to evaluate the efficacy of orlistat (a pancreatic lipase inhibitor) therapy over lifestyle change on weight reduction and ovulation in overweight and obese subfertile women. It was carried out in Department of Gynecology and Obstetrics, Bangabandhu Sheikh Mujib Medical University (BSMMU) Dhaka, Bangladesh from August 2015 to January 2016. Subfertile obese and overweight female patients attending the study centre during study period was considered as study population. Subfertile women with normozoospermic husband with BMI (25-40) Kg/M2, age (18-35) years with no history of taking medication or dietary modification for weight loss currently or for the preceding 3 months were included in this study but subfertile patients having laparoscopic ovarian drilling and metformin and those with structural abnormalities in reproductive tract and known hormonal and medical disorder were excluded from this study. Detailed history taking, physical examination including weight, Body Mass Index (BMI) and baseline relevant investigations were done. Transvaginal sonography (TVS) on day 12 and day 14 of menstrual cycle was done for evaluation of ovulatory status of the patients. Counseling was done about life style change by diet of low glycemic index and moderate exercise. Following written informed consent, 120 patients were enrolled into either of the two groups. Group I received capsule Orlistat 120 mg twice daily for 3 months period. Group II was counseled for life style modification only. Post treatment weight measurement and TVS on day 12 and 14 were done after completion of intervention. Then pre and post-treatment parameters were assessed between two groups. Mean age was (27.31±4.58) years in Group I and (26.20±4.71) years in Group II. Majority patients, (78.3%) in Group I and (76.7%) in Group II had oligomenorrhoea. Hirsuitism was observed in (25%) in Group I and (43.3%) in Group II. Mean weight (kg) at booking was (72.26±7.81) in Group I and (67.10±5.93) in Group II; after 3 months (67.77±7.82) and (63.55±6.07). Reduction of weight (%): (6.52±2.28) in Group I and (5.33±2.14) in Group II which was significantly higher in Group I than that of Group II in (25.0-29.9) BMI. Ovulation assessed by TVS at booking and after 3 months in Group I: 13(21.7%) and 37 (61.7%) and in Group II: 14 (23.3%) and 27 (45.0%). Ovulation was higher in Group I than that of Group II, but the difference was not statistically significant. Majority of the overweight and obese subfertile patients suffered from oligomenorrhoea and anovulation. Weight significantly reduced in both groups along with ovulation improvement, more in Group I, but insignificant in between groups. Therefore this study suggested that orlistat can improve ovulation as it acts indirectly by weight reduction more than life style modification alone.

[Indexed for MEDLINE]

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