Novel Intervention Linking Public Housing With Primary Care to Prevent Diabetes (SHAPE-Up)

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Medical University of South Carolina (MUSC)




Cardiovascular Risk Factor
Diabetes Mellitus Risk


Behavioral: Wait-List Control community based DPP Group Lifestyle Balance Program
Behavioral: 24 week community based DPP Group Lifestyle Balance Program

Study type


Funder types



1R34DK097724 (U.S. NIH Grant/Contract)

Details and patient eligibility


(Sisters Health And Primary CarE Uniting and Preventing Diabetes; aka SHAPE UP) will consist of: 1) Neighborhood DPP Intervention: group DPP sessions and individual coaching; 2) Preventive Care Coordination to FQHC: referral, navigation assistance, patient activation, linkage to primary care (community initiated referrals) and linkage to DPP program (FQHC initiated referrals)

Full description

SHAPE-UP we will use a randomized between groups wait-list design wherein the experimental treatment will be compared to best practices FHCN/FQHC services waitlist control (with an educational supplement for control). At the 24-week point, the waitlist control participants will be invited to receive the intervention. This combines a between groups RCT design with a phase change/within-group design for maximum efficiency with a limited N. Randomization will occur at the level of the individual participant. To sustain participant interest and to address obesity-related needs, control arm participants will receive Best Practices services including 1) Individual counseling about pre-diabetes risk at baseline; 2) mailed written materials at weeks 6, 12, 18; and 3) As needed additional FQHC Primary Care services (as mentioned, referral to the DPP obesity intervention and FHCN/FQHC primary care services will be bidirectional. The RE-AIM framework will guide process and impact evaluation measures of this intervention.


60 patients




21+ years old


Accepts Healthy Volunteers

Inclusion criteria

  1. 21 years of age or older
  2. Body-mass index of > 25 kg/m2 or waist circumference >35 inches
  3. ADA diabetes risk assessment > at risk for pre-diabetes
  4. Casual capillary blood glucose > 110 mg/dl <200
  5. Access to phone
  6. Resident in or surrounding partnering Public Housing neighborhood and eligible for FHCN services

Exclusion criteria

  1. Exclusions for diseases likely to limit lifespan and/or increase risk of interventions: a) Cancer requiring treatment in the past 5 years; b) Cardiovascular disease: "Yes" response to any item on the modified Physical Activity Readiness Questionnaire; Uncontrolled hypertension: SBP >180 mmHg or DBP >105 mmHg; Heart attack, stroke, or transient ischemic attack in the past 6 months; c) Lung disease: Chronic obstructive airways disease or asthma requiring home oxygen
  2. Exclusions related to metabolism: a) Diabetes at baseline; b) Casual capillary blood glucose >200 mg/dl; c) History of anti-diabetic medication use (oral agents or insulin) except during gestational diabetes; d) Pregnant female; e) Self-report of disease associated with disordered glucose metabolism: Cushing's syndrome; acromegaly; pheochromocytoma; chronic pancreatitis
  3. Exclusion for conditions or behaviors likely to affect the conduct of the study: a) Unable or unwilling to provide informed consent; b) Unable to read written English

Trial design

Primary purpose




Interventional model

Crossover Assignment


Double Blind

60 participants in 2 patient groups

The 24-week treatment
Experimental group
The 24-week treatment, Sisters Health And Primary CarE Uniting and Preventing Diabetes (SHAPE UP) 12 weekly peer group (adapted Group Lifestyle Balance Program) sessions followed by 3 monthly group maintenance sessions held in Public Housing locations; b) Individual coaching and patient activation during 24 week period; 2) Community Outreach Care Coordination: Referral, navigation assistance, patient activation, and cross-linkage to FQHC services.
Behavioral: 24 week community based DPP Group Lifestyle Balance Program
Wait-list Control
Other group
Control arm participants will receive: 1) Usual care in FQHC/primary care clinic 2) Individual counseling about pre-diabetes risk at baseline; mailed written NIDDK patient education materials (weight loss, physical activity, nutrition) at weeks 6, 12, 18; 2) At the end of the 24 week intervention, the wait list control arm will be invited to participate and receive the group based DPP sessions.
Behavioral: Wait-List Control community based DPP Group Lifestyle Balance Program

Trial contacts and locations



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