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Estimating the Impact of Obesity Medications on Clinical and Economic Outcomes

2026년 6월 8일 업데이트: Joshua R. Vest, PhD, Indiana University

The goal of this observational study is to identify the impact of incretin-based obesity medications (e.g., GLP-1 and GLP-1/GIP) on health and economic outcomes among adults who get their health insurance through their employers. The main questions it aims to answer are:

  1. Is obesity medication usage is associated with reduced body mass index (BMI) and weight?
  2. Is obesity medication usage is associated with reduced utilization of emergency department and inpatient care or obesity-related conditions over time?
  3. Is obesity medication usage is associated with increased utilization of outpatient care over time?
  4. Is obesity medication usage is associated with slower growth in direct medical costs over time?
  5. Is obesity medication usage is associated with improvements in health measures?
  6. Is obesity medication usage associated with reduced workplace costs?

Researchers will compare individuals who have prescriptions for obesity medications to those without to see if differences in health and costs of care exist.

The study uses existing medical and pharmacy claims data.

연구 개요

상태

초대로 등록

정황

개입 / 치료

상세 설명

Incretin-based therapies that work by mimicking the action of the natural hormone GLP-1 and GLP-1/GIP have garnered the most excitement and demonstrated promising results in the management of obesity. This project seeks to estimate the impact of incretin-based obesity medications on clinical and economic outcomes in real-world settings. It proposes to fill gaps in the current literature by focusing on patients from self-insured organizations, measuring direct and indirect costs, establishing a long-term cohort, and by merging claims with electronic health record (EHR) data for more comprehensive measures.

The impact of incretin-based obesity medications on clinical and economic outcomes will be assessed in a dynamic cohort design. The cohort will be drawn from the employees and their working age dependents of large, self-insured (or "self-funded") organizations in the state of Indiana (i.e., "employers"). Employer organizations agreeing to participate will provide medical and pharmacy claims as well as data on workplace performance (if available) from 2018-2029. The primary exposure of interest is documented receipt of any GLP-1 obesity medication (regardless of manufacturer or brand name). A series of fixed-effects regression models will estimate the association between exposure to incretin-based obesity medications and clinical, utilization, and cost outcomes. This dynamic cohort approach, 1) individuals and participating employer organizations may enter and exit the cohort over time and 2) individuals may switch between on or off exposure over time.

연구 유형

관찰

등록 (추정된)

125000

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 장소

  • 미국
    • Indiana
      • Indianapolis, Indiana, 미국, 46203
        • Indiana University

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

  • 성인

건강한 자원 봉사자를 받아들입니다

아니

샘플링 방법

비확률 샘플

연구 인구

Working-age adults and their adult dependents who receive their health insurance coverage from participating, self-insured Indiana employers.

설명

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.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

코호트 및 개입

그룹/코호트
개입 / 치료
Persistent use of incretin-based obesity medication
Persistent use is defined as continuous treatment with no gaps greater than 60 days between prescription fills. Discontinuation is defined as a gap exceeding 60 days following the expected end date of a prescription fill (based on days' supply). Exposure will be measured longitudinally from the index date until discontinuation or censoring. Days of supply will be calculated from pharmacy claims, and we will account for stockpiling by allowing early refills to extend coverage forward in time. If days' supply is missing, it will be imputed using prescribing guidelines or external data sources.
의약품: Incretin-based therapies (GLP-1 and GLP-1/GIP)
Documented receipt of any GLP-1 and GLP-1/GIP obesity medication during an observation period.
다른 이름들:
  • 리라글루타이드
  • 삭센다
  • 위고비
  • 세마글루타이드
  • Zepbound
  • 티르제파티드
No documented receipt of incretin-based obesity medication during observation period
Working-age adults (age 18 to 64) insured by participating Indiana-based employers that do not use any incretin-based obesity medication for weight loss. Identified by no claim for obesity medications (accounting for days supply and available refills).

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Change in subject body weight.
기간: 6 months periods from 2018 to 2029
Measured in pounds.
6 months periods from 2018 to 2029
Change in subject body mass index (BMI).
기간: 6 months periods from 2018 to 2029
Defined as Weight (kg) / height (m)2.
6 months periods from 2018 to 2029
Change in obesity and overweight classification.
기간: 6 months periods from 2018 to 2029
Body mass index categorized according to Centers for Disease Control & Prevention groupings (i.e., normal, overweight, class 1 obesity, class 2 obesity, class 3 obesity)
6 months periods from 2018 to 2029

2차 결과 측정

결과 측정
측정값 설명
기간
Change in emergency department visits.
기간: 6 months periods from 2018 to 2029
Total visits
6 months periods from 2018 to 2029
Change in obesity-related emergency department visits.
기간: 6 months periods from 2018 to 2029
Visit with obesity-related diagnosis code (E66.1-E66.3, Z68.30-768.45), metabolic syndrome, type 2 diabetes, chronic kidney disease, cardiovascular disease, osteoarthritis of the knee, depression, anxiety, metabolic dysfunction-associated steatohepatitis, nonalcoholic fatty liver disease & steatohepatitis, obstructive sleep apnea, hyperlipidemia, hypertension, cerebrovascular disease, asthma, gastroesophageal reflux disease (GERD), or chronic obstructive pulmonary disease (COPD).
6 months periods from 2018 to 2029
Change in non-obesity related emergency department visits.
기간: 6 months periods from 2018 to 2029
Visit without any of the following: obesity-related diagnosis code (E66.1-E66.3, Z68.30-768.45), metabolic syndrome, type 2 diabetes, chronic kidney disease, cardiovascular disease, osteoarthritis of the knee, depression, anxiety, metabolic dysfunction-associated steatohepatitis, nonalcoholic fatty liver disease & steatohepatitis, obstructive sleep apnea, hyperlipidemia, hypertension, cerebrovascular disease, asthma, gastroesophageal reflux disease (GERD), or chronic obstructive pulmonary disease (COPD).
6 months periods from 2018 to 2029
Change in preventable emergency department visits.
기간: 6 months periods from 2018 to 2029

Preventable visits include those that are:

  1. non-emergent (the patient's initial complaint, presenting symptoms, vital signs, medical history, and age indicated that immediate medical care was not required within 12 hours), or
  2. emergent/primary care treatable (based on information in the record, treatment was required within 12 hours, but care could have been provided effectively and safely in a primary care setting. The complaint did not require continuous observation, and no procedures were performed or resources used that are not available in a primary care setting), or
  3. preventable/avoidable (Emergency department care was required based on the complaint or procedures performed/resources used, but the emergent nature of the condition was potentially preventable/avoidable if timely and effective ambulatory care had been received during the episode of illness).
6 months periods from 2018 to 2029
Change in non-preventable emergency department visits.
기간: 6 months periods from 2018 to 2029
Non-preventable visits are defined as emergency department care was required and ambulatory care treatment could not have prevented the condition.
6 months periods from 2018 to 2029
Change in inpatient admissions.
기간: 6 months periods from 2018 to 2029
Total number of distinct hospitalizations (i.e. admissions).
6 months periods from 2018 to 2029
Change in obesity-related inpatient admissions.
기간: 6 months periods from 2018 to 2029
Total hospitalizations with obesity-related diagnosis code (E66.1-E66.3, Z68.30-768.45), metabolic syndrome, type 2 diabetes, chronic kidney disease, cardiovascular disease, osteoarthritis of the knee, depression, anxiety, metabolic dysfunction-associated steatohepatitis, nonalcoholic fatty liver disease & steatohepatitis, obstructive sleep apnea, hyperlipidemia, hypertension, cerebrovascular disease, asthma, gastroesophageal reflux disease (GERD), or chronic obstructive pulmonary disease (COPD).
6 months periods from 2018 to 2029
Change in non-obesity-related inpatient admissions.
기간: 6 months periods from 2018 to 2029
Total hospitalizations without obesity-related diagnosis code (E66.1-E66.3, Z68.30-768.45), metabolic syndrome, type 2 diabetes, chronic kidney disease, cardiovascular disease, osteoarthritis of the knee, depression, anxiety, metabolic dysfunction-associated steatohepatitis, nonalcoholic fatty liver disease & steatohepatitis, obstructive sleep apnea, hyperlipidemia, hypertension, cerebrovascular disease, asthma, gastroesophageal reflux disease (GERD), or chronic obstructive pulmonary disease (COPD).
6 months periods from 2018 to 2029
Change in inpatient admissions that began in the emergency department.
기간: 6 months periods from 2018 to 2029
Total hospitalizations where the subject was admitted from the emergency department.
6 months periods from 2018 to 2029
Change in direct admit inpatient admissions
기간: 6 months periods from 2018 to 2029
Total hospitalizations that were admitted directly from the community, i.e. not transferred from the emergency department.
6 months periods from 2018 to 2029
Change in 30 day inpatient readmissions.
기간: 6 months periods from 2018 to 2029
Count of hospital admissions (to any facility) occurring within 30 days of a hospital stay.
6 months periods from 2018 to 2029
Change in outpatient visits.
기간: 6 months periods from 2018 to 2029
Any in-person office visits with primary care, family medicine, internal medicine, or any specialty (including behavioral health); excludes phone visits. Total visits, as well as separated by obesity-related vs non-obesity related.
6 months periods from 2018 to 2029
Change in obesity-related outpatient visits.
기간: 6 months periods from 2018 to 2029

Total in-person office visits with primary care, family medicine, internal medicine, or any specialty (including behavioral health) with any of the following: obesity-related diagnosis code (E66.1-E66.3, Z68.30-768.45), metabolic syndrome, type 2 diabetes, chronic kidney disease, cardiovascular disease, osteoarthritis of the knee, depression, anxiety, metabolic dysfunction-associated steatohepatitis, nonalcoholic fatty liver disease & steatohepatitis, obstructive sleep apnea, hyperlipidemia, hypertension, cerebrovascular disease, asthma, gastroesophageal reflux disease (GERD), or chronic obstructive pulmonary disease (COPD).

Excludes: phone visits.
6 months periods from 2018 to 2029
Change in non-obesity-related outpatient visits
기간: 6 months periods from 2018 to 2029

Total in-person office visits with primary care, family medicine, internal medicine, or any specialty (including behavioral health) without any of the following: obesity-related diagnosis code (E66.1-E66.3, Z68.30-768.45), metabolic syndrome, type 2 diabetes, chronic kidney disease, cardiovascular disease, osteoarthritis of the knee, depression, anxiety, metabolic dysfunction-associated steatohepatitis, nonalcoholic fatty liver disease & steatohepatitis, obstructive sleep apnea, hyperlipidemia, hypertension, cerebrovascular disease, asthma, gastroesophageal reflux disease (GERD), or chronic obstructive pulmonary disease (COPD).

Excludes: phone visits.
6 months periods from 2018 to 2029
Change in total medical spending.
기간: 6 months periods from 2018 to 2029
All medical costs paid (inpatient, outpatient, emergency department, and rehabilitation costs).
6 months periods from 2018 to 2029
Change in total pharmacy spending.
기간: 6 months periods from 2018 to 2029
All pharmacy costs paid.
6 months periods from 2018 to 2029
Change in total pharmacy spending excluding incretin-based medications.
기간: 6 months periods from 2018 to 2029
All pharmacy costs excluding the cost of incretin obesity medications
6 months periods from 2018 to 2029
Change in total spending on obesity-related complications
기간: 6 months periods from 2018 to 2029

All medical costs paid where the claim is associated with any of the following: obesity-related diagnosis code (E66.1-E66.3, Z68.30-768.45), metabolic syndrome, type 2 diabetes, chronic kidney disease, cardiovascular disease, osteoarthritis of the knee, depression, anxiety, metabolic dysfunction-associated steatohepatitis, nonalcoholic fatty liver disease & steatohepatitis, obstructive sleep apnea, hyperlipidemia, hypertension, cerebrovascular disease, asthma, gastroesophageal reflux disease (GERD), or chronic obstructive pulmonary disease (COPD).

Excludes: telehealth / phone visits.
6 months periods from 2018 to 2029

기타 결과 측정

결과 측정
측정값 설명
기간
Change in absenteeism.
기간: 6 months periods from 2018 to 2029
Total number of sick leave days (costs estimated from published estimates or salary information if available).
6 months periods from 2018 to 2029
Change in retention / turnover.
기간: 6 months periods from 2018 to 2029
Percent of employees that end employment for any reason.
6 months periods from 2018 to 2029
Change in disability claims.
기간: 6 months periods from 2018 to 2029
Total worker's compensation claims regardless of disability period.
6 months periods from 2018 to 2029
Change in clinical A1C laboratory values.
기간: 6 months periods from 2018 to 2029
hemoglobin A1C or HbA1c values
6 months periods from 2018 to 2029
Change in blood pressure laboratory values.
기간: 6 months periods from 2018 to 2029
Systolic and diastolic
6 months periods from 2018 to 2029
Change in cholesterol laboratory values.
기간: 6 months periods from 2018 to 2029
cholesterol blood test (a lipid panel or lipid profile
6 months periods from 2018 to 2029

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

Indiana University

협력자

Eli Lilly and Company

수사관

  • 수석 연구원: Joshua R Vest, PhD, MPH, Indiana University

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (실제)

2026년 1월 1일

기본 완료 (추정된)

2029년 12월 31일

연구 완료 (추정된)

2029년 12월 31일

연구 등록 날짜

최초 제출

2026년 6월 3일

QC 기준을 충족하는 최초 제출

2026년 6월 8일

처음 게시됨 (실제)

2026년 6월 10일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 6월 10일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 6월 8일

마지막으로 확인됨

2026년 6월 1일

추가 정보

이 연구와 관련된 용어

키워드

추가 관련 MeSH 약관

기타 연구 ID 번호

  • 00855196
  • 26469 (기타 식별자: Indiana University)

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

아니요

IPD 계획 설명

Raw and derived data at the patient level will not be publicly posted due to our use of secondary data from privately held claims, electronic health records, and health information exchange systems. Because of data use restrictions among the participating employer organizations contributing claims to the analysis and because of the data use restrictions established by consortium agreements among the health system partners contributing EHR data to the project, patient-level data cannot be shared or disseminated beyond this project. Nevertheless, de-identified derived health information exchange data (only) at the patient-level used in this study may be shared with investigators whose formal requests are approved by the data owners. Requests can be sent to askRDS@regenstrief.org. Access to this data requires investigator support and a signed data access agreement between the Regenstrief Institute and the investigator's institution.

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

예

미국 FDA 규제 기기 제품 연구

아니

미국에서 제조되어 미국에서 수출되는 제품

예

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

Incretin-based therapies (GLP-1 and GLP-1/GIP)에 대한 임상 시험

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정황

희귀 질병

약물 개입

식이 보충제

스폰서 / 협력자

위치

구독하다