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An Addiction-Based Mobile Health Weight Loss Intervention With Coaching

To test the effectiveness of an addiction-based weight loss intervention, embodied first as a smartphone app with telephone coaching (AppCoach) compared to (1) addiction model based weight-loss app alone (App) and (2) multi-disciplinary in-clinic weight loss intervention (Clinic) on weight outcomes of overweight and obese adolescents at 3, 6, 12 and 18 months post enrollment.

CTC

The purpose of the study is to learn about how to improve access to care during young adulthood and to assess if telehealth is an acceptable form of care.

CTLA (Abatacept) Prevention (TN18)

Abatacept is given as an investigational study drug to relatives of someone with type 1 diabetes who have positive diabetes antibodies in an attempt to prevent or delay the onset of type 1 diabetes. See TrailNet.org website for more details.

Gut microbiome and response to oral typhoid vaccine

We are studying the role of gut microbiome diversity on the mucosal and systemic responses to Ty21a vaccine. This is to determine if a given microbiota composition is associated with specific immune responses and to evaluate the impact of an oral typhoid vaccination on the human gut microbiota.