Influence of the Osteogenomic Profile in Response to Alendronate Therapy in Postmenopausal Women with Osteoporosis: A Retrospective Cohort Study
2023
Alejandra Villagómez Villagómez Vega | Jorge Iván Gámez Gámez Nava | Francisco Ruiz Ruiz González | Misael Pérez Pérez Romero | Walter Ángel Trujillo Trujillo Rangel | Ismael Nuño Nuño Arana
Background: Postmenopausal osteoporosis is a multifactorial disease. Genetic factors play an essential role in contributing to bone mineral density (BMD) variability, which ranges from 60 to 85%. Alendronate is used as the first line of pharmacological treatment for osteoporosis: however, some patients do not respond adequately to therapy with alendronate. Aim: The aim of this work was to investigate the influence of combinations of potential risk alleles (genetic profiles) associated with response to anti-osteoporotic treatment in postmenopausal women with primary osteoporosis. Methods: A total of 82 postmenopausal women with primary osteoporosis receiving alendronate (70 mg administered orally per week) for one year were observed. The bone mineral density (BMD: g/cm2) of the femoral neck and lumbar spine was measured. According to BMD change, patients were divided into two groups: responders and non-responders to alendronate therapy. Polymorphic variants in CYP19, ESR1, IL-6, PTHR1, TGF&beta:, OPG and RANKL genes were determined and profiles were generated from the combination of risk alleles. Results: A total of 56 subjects were responders to alendronate and 26 subjects were non-responders. Carriers of the G-C-G-C profile (constructed from rs700518, rs1800795, rs2073618 and rs3102735) were predisposed to response to alendronate treatment (p = 0.001). Conclusions: Our findings highlight the importance of the identified profiles for the pharmacogenetics of alendronate therapy in osteoporosis.
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