Sex-Gender Variable: Methodological Recommendations for Increasing Scientific Value of Clinical Studies

Flavia Franconi; Ilaria Campesi; Delia Colombo; Paola Antonini

Sex-Gender Variable: Methodological Recommendations for Increasing Scientific Value of Clinical Studies

2019

Flavia Franconi | Ilaria Campesi | Delia Colombo | Paola Antonini

There is a clear sex−gender gap in the prevention and occurrence of diseases, and in the outcomes and treatments, which is relevant to women in the majority of cases. Attitudes concerning the enrollment of women in randomized clinical trials have changed over recent years. Despite this change, a gap still exists. This gap is linked to biological factors (sex) and psycho-social, cultural, and environmental factors (gender). These multidimensional, entangled, and interactive factors may influence the pharmacological response. Despite the fact that regulatory authorities recognize the importance of sex and gender, there is a paucity of research focusing on the racial/ethnic, socio-economic, psycho-social, and environmental factors that perpetuate disparities. Research and clinical practice must incorporate all of these factors to arrive at an intersectional and system-scenario perspective. We advocate for scientifically rigorous evaluations of the interplay between sex and gender as key factors in performing clinical trials, which are more adherent to real-life. This review proposes a set of 12 rules to improve clinical research for integrating sex−gender into clinical trials.

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