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Completed

NCT Number: NCT05872620

A Study of Orforglipron in Adult Participants With Obesity or Overweight and Type 2 Diabetes

This study will investigate the safety and efficacy of once daily oral treatment with orforglipron compared with placebo on body weight in adult participants with obesity or overweight and type 2 diabetes. The study will last about 77 weeks and may include up to 22 visits.

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Key information

Conditions

Obesity Body Weight Diabetes Mellitus Diabetes Mellitus, Type 2 Endocrine System Diseases Glucose Metabolism Disorders Metabolic Diseases Nutrition Disorders Nutritional and Metabolic Diseases Overnutrition Overweight Pathological Conditions, Signs and Symptoms Signs and Symptoms Type 2 Diabetes

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

Mautalen Salud e Investigación, Buenos Aires, Buenos Aires F.D., Argentina

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Have a body mass index (BMI) ≥27.0 kilogram/square meter (kg/m²).
  • Have a history of at least 1 self-reported unsuccessful dietary effort to lose body weight.
  • Have a diagnosis of Type 2 Diabetes (T2D), with HbA1c ≥7% (≥53 mmol/mol) to ≤10% (86 mmol/mol) and are on stable treatment for T2D for at least 90 days prior to screening, consisting of:
  • either diet/exercise alone or
  • up to 3 oral antihyperglycemic medications (excluding dipeptidyl peptidase IV inhibitors (DPP-4i) or glucagon-like peptide-1 (GLP-1) receptor agonists (RA).

Exclusion criteria

  • Have Type 1 Diabetes (T1D), history of ketoacidosis or hyperosmolar state/coma, or any other types of diabetes except T2D.
  • Have a self-reported change in body weight >5 kg (11 pounds) within 90 days prior to screening.
  • Are currently receiving or planning to receive treatment for diabetic retinopathy and/or macular edema (for example, laser photocoagulation or intravitreal injections of anti-vascular endothelial growth factor inhibitors).
  • Have family (first-degree relative) or personal history of medullary thyroid cancer (MTC) or multiple endocrine neoplasia 2 (MEN2) syndrome.
  • Have had a history of chronic or acute pancreatitis.

Treatment and study plan

Orforglipron

Drug

Administered orally

Other names: LY3502970

Placebo

Drug

Administered orally

Primary outcomes

  1. Percent Change From Baseline in Body Weight

    Time frame: Baseline, Week 72

    Values represented under Least Squares (LS) Mean are model-based estimates (MBE) of the unconditional average treatment effect. MBE was calculated using a mixed-model repeated measures (MMRM) for post-baseline measures with region + Baseline*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral antihyperglycemic medications (AHMs) classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality). Variance-covariance structure for change from baseline was unstructured.

Secondary outcomes

  1. Percentage of Participants Who Achieved With Greater Than or Equal to (≥) 5% Body Weight Reduction From Baseline

    Time frame: Baseline to Week 72

    Percentage of participants with ≥5% body weight reduction was analysed by Logistic regression with the following variables: region + Baseline*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral AHMs classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality).

  2. Percentage of Participants Who Achieved ≥10% Body Weight Reduction From Baseline

    Time frame: Baseline to Week 72

    Percentage of participants with ≥10% body weight reduction was analysed by Logistic regression with the following variables: region + Baseline*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral AHMs classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality).

  3. Percentage of Participants Who Achieved ≥15% Body Weight Reduction From Baseline

    Time frame: Baseline to Week 72

    Percentage of participants with ≥15% body weight reduction was analysed by Logistic regression with the following variables: region + Baseline*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral AHMs classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality).

  4. Change From Baseline in Waist Circumference

    Time frame: Baseline, Week 72

    Values represented under Least Squares (LS) Mean are model-based estimates (MBE) of the unconditional average treatment effect. MBE was calculated using a mixed-model repeated measures (MMRM) for post-baseline measures with region + Baseline*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral AHMs classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality). Variance-covariance structure for change from baseline was unstructured.

  5. Change From Baseline in Hemoglobin A1c (HbA1c) %

    Time frame: Baseline, Week 72

    • Hemoglobin A1c (HbA1c) is the glycosylated fraction of hemoglobin A, measured to reflect average plasma glucose concentration over prolonged periods of time.
    • Values represented under Least Squares (LS) Mean are model-based estimates (MBE) of the unconditional average treatment effect. MBE was calculated using a mixed-model repeated measures (MMRM) for post-baseline measures with region + Baseline*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral AHMs classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality). Variance-covariance structure for change from baseline was unstructured.

  6. Change From Baseline in Fasting Serum Glucose (FSG)

    Time frame: Baseline, Week 72

    Values represented under Least Squares (LS) Mean are model-based estimates (MBE) of the unconditional average treatment effect. MBE was calculated using a mixed-model repeated measures (MMRM) for post-baseline measures with region + Baseline*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral AHMs classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality). Variance-covariance structure for change from baseline was unstructured.

  7. Percentage of Participants Who Achieved Hemoglobin A1c (HbA1c) Target Value (<6.5%)

    Time frame: Baseline to Week 72

    Percentage of participants who achieved hemoglobin A1c (HbA1c<6.5%) was analysed by Logistic regression with the following variables: region + Baseline*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral AHMs classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality).

  8. Percentage of Participants Who Achieved Hemoglobin A1c (HbA1c) Target Value (<7.0%)

    Time frame: Baseline to Week 72

    Percentage of participants who achieved hemoglobin A1c (HbA1c<7%) was analysed by Logistic regression with the following variables: region + Baseline*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral AHMs classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality).

  9. Change From Baseline in Systolic Blood Pressure (SBP) (Pooled Doses of Orforglipron 6 mg, 12 mg and 36 mg)

    Time frame: Baseline, Week 72

    Values represented under Least Squares (LS) Mean are model-based estimates (MBE) of the unconditional average treatment effect. MBE was calculated using a mixed-model repeated measures (MMRM) for post-baseline measures with region + Baseline*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral AHMs classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality). Variance-covariance structure for change from baseline was unstructured.

  10. Change From Baseline in Diastolic Blood Pressure (DBP) (Pooled Doses of Orforglipron 6 mg, 12 mg and 36 mg)

    Time frame: Baseline, Week 72

    Values represented under Least Squares (LS) Mean are model-based estimates (MBE) of the unconditional average treatment effect. MBE was calculated using a mixed-model repeated measures (MMRM) for post-baseline measures with region + Baseline*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral AHMs classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality). Variance-covariance structure for change from baseline was unstructured.

  11. Percent Change From Baseline in Fasting Insulin

    Time frame: Baseline, Week 72

    • Fasting Insulin is a test used to measure the amount of insulin in the body.
    • Values represented under "Geometric Least Squares Mean" are model-based estimates (MBE) of the unconditional average treatment effect. For post-baseline measures, MBE was calculated using a mixed-model repeated measures (MMRM) on log-transformed values, defined as log (Actual Measurement/Baseline) + Region + log (Baseline)*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral AHMs classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality). The variance-covariance structure was unstructured.

  12. Percent Change From Baseline in Non-High-Density Lipoprotein (Non-HDL) Cholesterol (Pooled Doses of Orforglipron 6 mg, 12 mg and 36 mg)

    Time frame: Baseline, Week 72

    Values represented under "Geometric Least Squares Mean" are model-based estimates (MBE) of the unconditional average treatment effect. For post-baseline measures, MBE was calculated using a mixed-model repeated measures (MMRM) on log-transformed values, defined as log (Actual Measurement/Baseline) + Region + log (Baseline)*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral AHMs classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality). The variance-covariance structure was unstructured.

  13. Percent Change From Baseline in Triglycerides (Pooled Doses of Orforglipron 6 mg, 12 mg and 36 mg)

    Time frame: Baseline, Week 72

    Values represented under "Geometric Least Square Mean" are model-based estimates (MBE) of the unconditional average treatment effect. For post-baseline measures, MBE was calculated using a mixed-model repeated measures (MMRM) on log-transformed values, defined on log-transformed values, defined as log (Actual Measurement/Baseline) + Region + log (Baseline)*Time*Treatment + Strata*Time*Treatment in the model. Strata were defined by joint levels of sex (female, male) and background oral AHMs classified according to their potential effect on body weight (promoting weight gain, weight reduction, or weight neutrality). The variance-covariance structure was unstructured.

  14. Change From Baseline in Short Form-36 Health Survey Version 2 (SF-36v2) Acute Form (Physical-Component and Mental-Component) Scores (Pooled Doses of Orforglipron 6 mg, 12 mg and 36 mg)

    Time frame: Baseline, Week 72

    The SF-36v2 acute form, (1-week recall version) assesses participants' health-related quality of life on 8 domains: Physical Functioning, Role-Physical, Bodily Pain, General Health, Vitality, Social Functioning, Role-Emotional, and Mental Health. The physical functioning domain assesses limitations due to health "now," whereas the remaining domains assess functioning "in the past week." Each domain is scored individually, and information from these 8 domains is aggregated into 2 health component summary scores, the Physical Component Summary and Mental Component Summary. Items are answered on Likert scales of varying lengths (3-point, 5-point, or 6-point scales). Scoring of each domain and both summary scores are norm based and presented in the form of T-scores, with a mean of 50 and a standard deviation of 10. Higher scores indicate better levels of function and/or better health. Range cannot be specified in norm-based scores.

Sponsors and collaborators

Lead sponsor

Eli Lilly and Company

Industry

Registry information

Official study title

A Phase 3, Randomized, Double-Blind Study to Investigate the Efficacy and Safety of Once-Daily Oral LY3502970 Compared With Placebo in Adult Participants With Obesity or Overweight and Type 2 Diabetes (ATTAIN-2)

Acronym: ATTAIN-2

Important dates

Study start
2023
Primary completion
2025
Study completion
2025
First posted
May 24, 2023
Registry last updated
Sep 4, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

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This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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