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Estimating the Impact of Obesity Medications on Clinical and Economic Outcomes
Lead sponsor
Asset
Tirzepatide
Subcutaneous · GLP-1 / GIP dual
Listed sites
1
Recruiting sites
—
Enrollment
125,000
estimated
Study population
Obesity / overweight
Key I/E criterion
•BMI ≥30
Primary endpoints
•Subject body weight•Subject body mass index (BMI)•Obesity and overweight classification
Footprint
Where this trial recruits
Site locations as reported to ClinicalTrials.gov. Site count is not enrollment count; per-site enrollment is not available from source.
Identifiers
Registered as
Timeline
Milestones
Assets
Investigational agents
Study populations
Who this study enrolls
Eligibility
Who can enroll
Study population text
Working-age adults and their adult dependents who receive their health insurance coverage from participating, self-insured Indiana employers.
Eligibility criteria
The study cohort is limited to employees and adult dependents aged 18-64 who receive their health insurance coverage from self-insured Indiana employers that agree to participate in the study.
To be included in the study, the individuals must:
1. Be an Indiana resident;
2. Have health insurance benefits provided by participating employers (includes employees and dependents);
3. Be between the ages of 18 and 64;
4. Meet the eligibility criteria for an obesity medication prescription:
1. BMI of ≥ 30 (obesity) or
2. BMI of ≥ 25 (overweight) and at least one body weight-related comorbid condition (e.g., hypertension, dyslipidemia, type 2 diabetes mellitus, obstructive sleep apnea, or cardiovascular disease). If the prescribing eligibility criteria are updated in the future, we will update accordingly.
5. Individuals must have at least 6 months of enrollment prior to study inclusion (i.e., prior to the index date), though we may use additional pre-treatment data if available.
An individual who meets any of the following criteria will be excluded from participation in the cohort:
1. Has a condition associated with weight loss: a diagnosis of cancer (except for non-melanoma skin cancer), pancreatitis, eating disorders (e.g., anorexia nervosa and avoidant restrictive food intake disorder), HIV, unintentional weight loss, or cirrhosis at baseline;
2. Has a condition for which obesity medications are contraindicated (for example, medullary thyroid carcinoma, multiple endocrine neoplasia, etc.).
3. Receipt of diabetes-indicated incretin-based medications. If an individual has a claim for a related incretin-based therapy diabetes medication (e.g., Mounjaro, Ozempic, Rybelsus, Victoza) without an obesity-medication claim during the study period, the individual will be excluded from analysis.
4. Prior bariatric surgery.
5. Evidence of prior use of incretin-based obesity medications for weight loss.
Endpoints (27)
What's being measured
Protocol endpoints and posted registry outcome measures, grouped into outcome categories. Composite endpoints show their component event types. Standard codes (LOINC, SNOMED CT) are shown where available.
Coverage by outcome category
Weight & body composition
2 endpointsChange in subject body weight.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in subject body mass index (BMI).
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Cardiometabolic biomarkers
2 endpointsChange in blood pressure laboratory values.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in cholesterol laboratory values.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Safety / tolerability / PK
1 endpointChange in clinical A1C laboratory values.
Time frame:6 months periods from 2018 to 2029
change from baseline, event
Other clinical outcomes
1 endpointChange in retention / turnover.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Other (unclassified)
21 endpointsChange in obesity and overweight classification.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in emergency department visits.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in obesity-related emergency department visits.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in non-obesity related emergency department visits.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in preventable emergency department visits.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in non-preventable emergency department visits.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in inpatient admissions.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in obesity-related inpatient admissions.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in non-obesity-related inpatient admissions.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in inpatient admissions that began in the emergency department.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in direct admit inpatient admissions
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in 30 day inpatient readmissions.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in outpatient visits.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in obesity-related outpatient visits.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in non-obesity-related outpatient visits
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in total medical spending.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in total pharmacy spending.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in total pharmacy spending excluding incretin-based medications.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in total spending on obesity-related complications
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in absenteeism.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Change in disability claims.
Time frame:6 months periods from 2018 to 2029
change from baseline, improvement
Provenance
Sources
Trial facts come from public ClinicalTrials.gov records. Endpoint categories are Delfa's classification of those records, not a ClinicalTrials.gov field. All figures reflect the July 1, 2026 snapshot.