Intensive obesity treatment delivers in pediatric care

Clinical takeaway: Most families have no access to the intensive behavioral treatment guidelines recommend for childhood obesity. This trial shows pediatric primary care practices can close that gap themselves, delivering treatment through existing staff and billing existing payers.

While GLP-1 medications dominate the obesity conversation, intensive behavioral treatment remains the foundation of care for children. For those under 12, it is the mainstay: guideline support for weight loss medication as an adjunct begins at age 12, outside rare genetic forms of obesity. Yet the treatment most families are told to seek barely exists outside specialty centers--and is, therefore, notoriously difficult to access.

A large randomized trial now shows family-based behavioral treatment can succeed in pediatric primary care, delivered by existing clinic staff to the patients pediatricians actually see, including families on Medicaid and children with behavioral health conditions such as ADHD or anxiety.

Obesity affects one in five US children and adolescents, and both the American Academy of Pediatrics (AAP) and the US Preventive Services Task Force (USPSTF) recommend intensive behavioral treatment, at least 26 contact hours over three to 12 months, as first-line care. In practice, programs delivering that level of care are concentrated in academic centers in large cities. Referrals often go nowhere and insurance coverage remains inconsistent, despite a USPSTF grade B rating that should guarantee it.

Adding family-based treatment worked, and the benefit outlasted the treatment period. Children in both groups lost relative weight, but those who added family-based treatment sessions to their pediatrician's usual obesity care lost more. Both groups started at about 77% above the median BMI for their age and sex. After a year, the family-based group had come down to about 70%, compared with about 74% with enhanced standard care alone.

The gap kept widening after treatment ended. By 18 months, 42% of children in the family-based group had reached a weight reduction linked to better cardiometabolic health, with 1.5 times the odds of hitting that threshold compared with enhanced care alone. Notably, families did not need perfect attendance to get there: they averaged about 17 of up to 33 offered sessions and still saw meaningful benefit.

The TEAM UP trial randomized 730 children ages 6 to 15 with obesity across 41 primary care practices in Missouri, Illinois, Louisiana, and New York from 2019 to 2024. Enhanced standard of care meant PCP-led counseling visits, up to 21 over the year. The family-based arm added up to 33 sessions with a trained interventionist, typically a dietitian or behavioral health provider, attended by child and parent together.

Nearly half of families were Medicaid-insured, 22% reported food insecurity, and children with conditions like ADHD or anxiety were included rather than excluded. More than 75% of family-based sessions were delivered by telehealth, with outcomes comparable to in-person care.

For practices weighing what to build, the comparison matters: the control arm was not a placebo but motivated pediatrician counseling, up to 21 visits, and family-based treatment still beat it. The difference was not the messenger but the model, structured sessions with a trained interventionist and a parent in the room.

Scalability barriers look smaller than previously assumed. Staff were largely already in the clinic; visits billed to existing payers. Telehealth, used for most sessions, delivered comparable results. This provides an answer to the transportation and scheduling problems that can sink attendance. Behavioral treatment can be used alone or alongside GLP-1 medications, and longer follow-up at five and 10 years is planned.

"Every family-based behavioral treatment session provides additional benefit on top of enhanced care, and the message we want families to hear is that every session can make a difference," said Denise Wilfley, PhD, the Scott Rudolph University Professor in the Department of Psychiatry at WashU Medicine and one of the trial's two principal investigators. "When children and parents develop skills together and the home and social environments reinforce those changes, the benefits can extend across the household and support lasting change as the child grows."

Source: Staiano AE, et al. JAMA Pediatr. 2026 Jul 27. Family-centered child obesity treatment: the TEAM UP randomized clinical trial