Bariatric Surgery for Spontaneous Ovulation in Women with Polycystic Ovary Syndrome: The BAMBINI Multicentre, Open-Label, Randomised Controlled Trial

    May 2024 in “ The Lancet
    Suhaniya Samarasinghe, Bianca Leca, Shahd Alabdulkader, Georgios K. Dimitriadis, Allan Davasgaium, Puja Thadani, Kate Parry, Migena Luli, Karen O’Donnell, Brett Johnson, Ali Abbara, Florian Seyfried, Florian Seyfried, Ahmed Ahmed, Sherif Hakky, C. Tsironis, Sanjay Purkayastha, Carel W. le Roux, Stephen Franks, Vinod Menon, Harpal Randeva, Alexander D. Miras
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    TLDR Bariatric surgery improves ovulation rates in women with PCOS and obesity better than medical therapy.
    The BAMBINI trial, a multicentre, open-label, randomised controlled trial, evaluated the impact of bariatric surgery versus medical care on ovulation rates in 80 women with polycystic ovary syndrome (PCOS), obesity, and menstrual irregularities. Participants were assigned to either vertical sleeve gastrectomy or medical therapy. Over 52 weeks, the surgical group had a median of 6 ovulations compared to 2 in the medical group, with 2.5 times more spontaneous ovulations (p<0.0007). The surgical group also showed significant improvements in weight, metabolic health, and psychological well-being, although symptoms like hirsutism, acne, and androgenic alopecia did not consistently improve. The study concluded that bariatric surgery is more effective than medical care for inducing spontaneous ovulation and improving metabolic health, supporting its inclusion as a treatment option for women with PCOS and obesity.
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