Home and Family Based Approaches for the Prevention or Management of Overweight or Obesity in Early Childhood (R21) | Apply Online

Opportunity Summary:

The NIH funding opportunity PA-10-128, titled Home and Family Based Approaches for the Prevention or Management of Overweight or Obesity in Early Childhood (R21), supports early-stage, exploratory research aimed at reducing or preventing excess weight gain in very young children. It is sponsored by the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) along with the National Heart, Lung, and Blood Institute (NHLBI), and is co-sponsored by NIH offices focused on behavioral and prevention science (OBSSR and ODP). The mechanism is an R21, which is typically used for pilot and feasibility studies or small clinical trials where the goal is to test innovative ideas, generate preliminary data, and set up stronger, larger-scale trials later.

The central focus is on interventions that work through the home and the family, rather than relying only on schools, clinics, or broader community programs. Projects are expected to target infants and children up to age six, with the child as the primary participant, while also actively involving parents, guardians, and other key caregivers or extended family members who share the home environment. The emphasis on family reflects the idea that early eating patterns, beverage choices, physical activity habits, screen time routines, sleep-related behaviors, and other day-to-day practices are largely shaped and reinforced by caregivers and household norms. The opportunity is looking for strategies that change parent and child behaviors linked to energy balance, with the longer-term public health goal of improving health trajectories into adolescence and adulthood, where overweight is a known risk factor for multiple chronic diseases.

The FOA encourages novel interventions that can be behavioral, environmental, or based on other relevant approaches. Behavioral strategies can include changes in diet quality, portioning, feeding practices, physical activity routines, and reductions in sedentary behavior. Environmental approaches may involve modifying aspects of the home that influence daily choices, such as the availability and placement of foods and beverages, family meal structure, routines around snacks, activity-friendly spaces, and household policies related to television or other screens. In addition to testing whether an approach appears feasible and promising, the announcement highlights interest in understanding underlying behavioral determinants, meaning the practical and psychological drivers that help start, maintain, or derail changes (for example, caregiver beliefs and norms, stress and time constraints, parenting practices, habit formation, or other factors that affect whether families can sustain healthier routines).

Although the primary setting is the home, the FOA allows designs that connect to other settings as long as the core of the intervention is still home/family based and the main participants are children under six and their caregivers. Examples of allowable linkages include daycare, preschool, or other community venues, and involvement of other caregivers or professionals such as healthcare providers or teachers. The intent is to support realistic interventions that fit into children’s actual lives, while still keeping the family and household environment as the main lever for change.

From an administrative standpoint, this is a discretionary grant opportunity under NIH, categorized under food and nutrition/health, and linked to CFDA program areas for cardiovascular diseases research (93.837) and diabetes, digestive, and kidney diseases research (93.847). The funding instrument is a grant, and there is no cost sharing or matching requirement. The award ceiling listed is $200,000. The announcement was originally posted in March 2010 and later archived (with closing and archive dates listed in 2013), which is important for historical context, since applicants would need to confirm whether a current or reissued version exists for active submission.

Eligibility is broad and includes many types of organizations that commonly apply for NIH research funding. Eligible applicants include public and private institutions of higher education, nonprofits (including both 501(c)(3) and non-501(c)(3) organizations), small businesses and other for-profit organizations (with conditions typical of NIH policy), and multiple levels of government (state, county, city/township, special districts, and certain housing authorities). The FOA also explicitly includes tribal governments and tribal organizations, U.S. territories and possessions, and a range of mission-focused institutions and organizations such as Historically Black Colleges and Universities (HBCUs), Hispanic-serving institutions, tribally controlled colleges and universities (TCCUs), Alaska Native and Native Hawaiian-serving institutions, faith-based and community-based organizations, regional organizations, and even eligible federal agencies. Non-U.S. entities (foreign organizations) are also listed among eligible applicants, reflecting NIH’s broader approach to supporting research capacity when it aligns with the scientific goals and NIH policies.

In practical terms, the opportunity is designed for teams that have an intervention idea that is promising but still needs initial testing: refining the approach, establishing feasibility and acceptability for families with young children, confirming that recruitment and retention are workable, and generating early outcome signals that could justify a larger clinical trial later. The strong preference is for projects that directly address how families create and maintain patterns around food and beverages, activity, and sedentary time in the earliest years of life, when habits form quickly and caregiver influence is at its peak.

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