This study aims to compare the efficacy of a partial meal replacement diet with a conventional diet, for inducing weight loss and improving metabolic and inflammatory profile, endothelial function, erectile function, sexual desire, lower urinary tract symptoms (LUTS), and quality of life in obese men.
This study aims to compare the efficacy of a partial meal replacement diet with a conventional diet, for inducing weight loss, and improving metabolic and inflammatory profile, endothelial function, erectile function, sexual desire, lower urinary tract symptoms (LUTS), and quality of life in obese men. Men aged 30-65 years, with body mass index (BMI) ≥ 27.5 kg/m2, will be recruited from the community in Singapore. The study will be conducted at Changi General Hospital by trained medical investigators, dieticians and sports trainers. At baseline and 12 weeks, fasting glucose and lipids, insulin, testosterone, sex-hormone binding globulin, serum C-reactive protein and interleukin-6 are measured, endothelial function is measured by the non-invasive EndoPAT method, and validated questionnaires administered to assess changes in erectile function, sexual desire, LUTS and quality of life
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
70
1-2 sachets of Optifast daily as part of diet modification (partial meal replacement diet)
Changi General Hospital
Singapore, Singapore, Singapore
erectile function
increase in IIEF-5 score
Time frame: 12 weeks
lower urinary tract symptoms
decrease in IPSS score
Time frame: 12 weeks
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