Targeted Lifestyle Change Group Prenatal Care
TLC
Targeted Lifestyle Change (TLC) Group Prenatal Care for Obese Women at High Risk for Gestational Diabetes: a Randomized Controlled Trial
1 other identifier
interventional
305
1 country
2
Brief Summary
To conduct a randomized trial to determine the effect of Targeted Lifestyle Change Group Prenatal Care (TLC) on maternal and neonatal outcomes in women at high risk for developing gestational diabetes mellitus (GDM).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable pregnancy
Started Nov 2019
Longer than P75 for not_applicable pregnancy
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 9, 2019
CompletedFirst Posted
Study publicly available on registry
September 16, 2019
CompletedStudy Start
First participant enrolled
November 26, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 20, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
October 20, 2025
CompletedFebruary 18, 2026
February 1, 2026
5.9 years
August 9, 2019
February 17, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (4)
Effects of TLC group prenatal care on birth weight
Determine the effect of Targeted Lifestyle Change Group Prenatal Care (TLC) on infant weight in grams
Delivery/within 1 week of delivery
Effects of TLC group prenatal care on neonatal length
Determine the effect of Targeted Lifestyle Change Group Prenatal Care (TLC) on infant length in cm
Delivery/within 1 week of delivery
Effects on TLC group prenatal care on neonatal head circumference
Determine the effect of Targeted Lifestyle Change Group Prenatal Care (TLC) on infant head circumference in cm
Delivery/within 1 week of delivery
Effects of TLC group prenatal care on infant skinfold thickness
Determine the effect of Targeted Lifestyle Change Group Prenatal Care (TLC) on infant skinfold thickness of ilium, thigh, triceps, and subscapular
Delivery/within 1 week of delivery
Secondary Outcomes (33)
Maternal diagnosis of gestational diabetes
Up to the time of delivery
Physical activity and eating behavior
At enrollment, the last study visit/delivery, and 4-12 weeks postpartum
Maternal gestational weight gain
Initial visit through 4-12 weeks postpartum
Maternal hypertensive disorders of pregnancy including gestational hypertension, chronic hypertension, preeclampsia, eclampsia, and HELLP
Initial visit through 4-12 weeks postpartum
Rates of appointment attendance
Up to the time of delivery
- +28 more secondary outcomes
Study Arms (2)
TLC Group Prenatal Care
EXPERIMENTALTLC will start in the late first trimester or early second trimester and run for \~6-10 sessions. Groups of 2-10 consented women, with two or more GDM risk factors, will meet under the supervision of an obstetric provider (nurse practitioner or MD) and co-facilitator (health educator, nutritionist, or nurse) for two-hour sessions. A major focus of TLC will be education, and much of each visit will be spent on pregnancy, exercise/nutrition education, and behavioral health.
Traditional Prenatal Care
NO INTERVENTIONSubjects randomized to routine care will receive their prenatal care with their primary obstetric provider. Patients are seen for 10-15 minutes every four weeks until 28 weeks' gestation, every two weeks (or more by provider discretion) until 37 weeks and weekly until delivery. Visits focus on routine screening tests and prenatal care. Traditional care participants will receive a phone call once a month, until 28 weeks gestation, from a nurse practitioner to check-in on pregnancy goals, healthy eating, and exercise. Each subject's medical chart will be reviewed for demographics, antenatal management, maternal and neonatal outcomes.
Interventions
TLC will start in the late first trimester or early second trimester and run for \~6-10 sessions. Groups of 2-10 consented women, with two or more GDM risk factors, will meet under the supervision of an obstetric provider (nurse practitioner or MD) and co-facilitator (health educator, nutritionist, or nurse) for two-hour sessions. A major focus of TLC will be education, and much of each visit will be spent on pregnancy, exercise/nutrition education, and behavioral health.
Eligibility Criteria
You may qualify if:
- English speaking
- ≤16 weeks gestation
- Two or more of the following GDM risk factors:
- BMI ≥ 25
- Physical inactivity
- First degree relative with diabetes
- High risk race or ethnicity (African American, Latino, Native American, Asian American, Pacific Islander)
- Prior infant weighing ≥ 4,000 g
- Prior GDM
- Hypertension (140/90 mm Hg or receiving treatment)
- High-density lipoprotein cholesterol level \<35 mg/dL or triglycerides \> 250 mg/dL
- Polycystic ovarian syndrome
- A1c ≥ 5.7%
- Impaired glucose tolerance
- Impaired fasting glucose on previous testing
- +4 more criteria
You may not qualify if:
- Type 2 diabetes (eligible for Diabetes Group Care)
- Positive glucose challenge test during early pregnancy
- Multiple gestation (require extra care)
- Major fetal anomaly (require extra care)
- Serious medical co-morbidity necessitating more care than can be safely provided in group setting, as deemed by medical provider (require extra care)
- Serious psychiatric illness, including schizophrenia, necessitating more care than can be safely provided in group setting, as deemed by medical provider (require extra care)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
Washington University in St. Louis
St Louis, Missouri, 63110, United States
University of North Carolina at Chapel Hill
Chapel Hill, North Carolina, 27599, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Ebony B Carter, MD, MPH
University of North Carolina, Chapel Hill
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 9, 2019
First Posted
September 16, 2019
Study Start
November 26, 2019
Primary Completion
October 20, 2025
Study Completion
October 20, 2025
Last Updated
February 18, 2026
Record last verified: 2026-02