Obesity

Efficacy of Oral Antiobesity Medications With Versus Without Adjunct Behavioral Weight Management Treatment

Obesity (Silver Spring)Published Randomised controlled trial

Authors' conclusion

Combining oral AOMs with behavioral treatment via telemedicine resulted in significantly greater weight loss than medications alone, supporting the recommendation to pair AOMs with behavioral treatment.

Study context

Population
Patients eligible for bupropion and naltrexone from a telehealth weight management clinic (WeightWatchers Clinic); 94.1% female, mean age 43.9 years (SD 10.7), mean BMI 37.0 kg/m² (SD 6.3)
Participants
101 patients
Comparison
Bupropion and naltrexone with vs without behavioral treatment
  • Bupropion and naltrexone with behavioral treatmentn = 51
  • Bupropion and naltrexonen = 50reference
Primary endpoint
Change in weight (kg)
Follow-up
12 weeks
Methodological detailstwo-arm, 12-week, telehealth, Remote measurements of body weight, behavioral and psychosocial measures at baseline and week 12
  • Two-arm
  • 12-week
  • Telehealth
  • Remote measurements of body weight, behavioral and psychosocial measures at baseline and week 12

Primary result

As reported in the abstract

12-week change in weight (kg)

Absolute weight change, with vs without behavioral treatment: mean difference (significantly more weight lost with behavioral treatment)

−1.8 kg

p = 0.03

Further findings

Percent weight change · 12 weeks

Percent weight change, with vs without behavioral treatment: mean difference (significantly more weight lost with behavioral treatment)
−1.6%, p = 0.04

Original publication

Efficacy of Oral Antiobesity Medications With Versus Without Adjunct Behavioral Weight Management Treatment. Obesity (Silver Spring). Published 17 February 2026. doi:10.1002/oby.70127

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