Digital Therapeutics and Obesity Care: Moving Beyond Weight to the Psychology of Change

Dr Nishant Raizada, Professor & Head, Dept, of Endocrinology, UCMS and GTB Hospital, New Delhi

Personalized digital therapeutics that address the psychological drivers of obesity may enhance engagement, adherence, and long-term success in obesity management.

Obesity is increasingly recognized as a complex chronic disease shaped not only by biological and metabolic factors but also by psychological, behavioral, and social influences. As healthcare systems search for scalable solutions to address the growing burden of obesity, digital therapeutics (DTx) have emerged as a promising addition to conventional care. Unlike general wellness applications, DTx are evidence-based, clinically validated digital interventions designed to support disease prevention, management, and treatment.

Recent evidence suggests that the next evolution of DTx for obesity lies in their ability to incorporate psychological phenotyping. Factors such as motivation, emotional regulation, personality traits, eating behaviors, body image, social support, and health literacy significantly influence treatment adherence and long-term outcomes. Traditional obesity management often struggles to address these dimensions comprehensively within limited clinical encounters. DTx platforms, however, offer opportunities for continuous monitoring, personalized feedback, and adaptive behavioral support.

Studies have demonstrated that digital interventions incorporating cognitive behavioral therapy, coaching, and motivational strategies can achieve meaningful weight reduction while improving patient engagement. Yet, sustained adherence remains a challenge. Personalization appears to be a key determinant of success, as individuals are more likely to remain engaged when interventions reflect their unique psychological needs and behavioral patterns.

Importantly, DTx are not intended to replace healthcare professionals. Their greatest value may lie in extending care beyond clinic walls, enabling ongoing support between consultations. As research advances, integrating psychological insights into digital obesity management could help create more patient-centered, effective, and sustainable care pathways, ultimately shifting the focus from weight alone to the broader determinants of lasting behavioral change.

(Reference: Plessis C, Galmiche M, Déchelotte P, Haro A. Review of the use of digital therapeutics (DTx) for obesity treatment: towards a psychological phenotyping?. Advances in Nutrition. 2026 Mar 3:100613.)