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Study · Randomized controlled trial · n = 392 · 2026

16 results

Comprehensive Long-Term Changes in Cardiovascular Risk Biomarkers With Tirzepatide: A SURMOUNT-1 Post Hoc Analysis.

Sattar N, Linetzky B, Ruotolo G, Verma S, Sourij H, Wang H, Vanderman K, Wilson JM, Griffin RM, Stefanski A, Ridker PM

Journal of the American College of Cardiology3 Jun 2026Cited by 1 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: CC BY-NC-ND. Results still quote short attributed sentences.

Results from this study16

16 results from studies that gave the peptide. 16 results from people.

  1. 01HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide 5, 10 and 15 mg reduced high-sensitivity C-reactive protein by 36.9%, 46.9% and 54.6% versus placebo at week 72.

    In plain wordsIn adults with obesity, tirzepatide lowered a blood marker of inflammation (CRP) more than placebo at 72 weeks.

    Outcome
    DecreaseHigh-sensitivity C-reactive protein at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Inflammation markers · Immune and inflammation
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Measurements

    hs-CRP geometric mean change vs placebo
    −36.9%
    5 mg
    hs-CRP geometric mean change vs placebo
    −46.9%
    10 mg
    hs-CRP geometric mean change vs placebo
    −54.6%
    15 mg

    Source sentences

    Summary
    high-sensitivity C-reactive protein (-36.9%, -46.9%, -54.6%)
    2 context sentences
    Summary · context
    At week 72, tirzepatide was associated with significantly greater reductions (negative values) or increases (positive values) in biomarker geometric means compared with placebo.
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  2. 02HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide 5, 10 and 15 mg reduced interleukin-6 by 25.4%, 27.8% and 30.2% versus placebo at week 72.

    In plain wordsIn adults with obesity, tirzepatide lowered the inflammation marker interleukin-6 more than placebo at 72 weeks.

    Outcome
    DecreaseInterleukin-6 at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Inflammation markers · Immune and inflammation
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Measurements

    IL-6 geometric mean change vs placebo
    −25.4%
    5 mg
    IL-6 geometric mean change vs placebo
    −27.8%
    10 mg
    IL-6 geometric mean change vs placebo
    −30.2%
    15 mg

    Source sentences

    Summary
    interleukin-6 (-25.4%, -27.8%, -30.2%)
    2 context sentences
    Summary · context
    At week 72, tirzepatide was associated with significantly greater reductions (negative values) or increases (positive values) in biomarker geometric means compared with placebo.
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  3. 03HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide 10 and 15 mg reduced leukocytes by 8.6% and 10.0% versus placebo at week 72; the 5 mg dose showed no significant change.

    In plain wordsIn adults with obesity, tirzepatide 10 and 15 mg lowered white blood cell counts more than placebo at 72 weeks; 5 mg did not.

    Outcome
    DecreaseLeukocyte count at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Inflammation markers · Immune and inflammation
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Measurements

    Leukocyte geometric mean change vs placebo
    −8.6%
    10 mg
    Leukocyte geometric mean change vs placebo
    −10%
    15 mg

    Source sentences

    Summary
    leukocytes (not significant [NS], -8.6%, -10.0%)
    2 context sentences
    Summary · context
    At week 72, tirzepatide was associated with significantly greater reductions (negative values) or increases (positive values) in biomarker geometric means compared with placebo.
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  4. 04HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide 5, 10 and 15 mg reduced the homeostatic model assessment of insulin resistance by 26.4%, 35.5% and 39.1% versus placebo at week 72.

    In plain wordsIn adults with obesity, tirzepatide lowered an insulin resistance score more than placebo at 72 weeks.

    Outcome
    DecreaseHOMA-IR at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Glycemic control · Metabolic and weight
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Measurements

    HOMA-IR geometric mean change vs placebo
    −26.4%
    5 mg
    HOMA-IR geometric mean change vs placebo
    −35.5%
    10 mg
    HOMA-IR geometric mean change vs placebo
    −39.1%
    15 mg

    Source sentences

    Summary
    homeostatic model assessment of insulin resistance (-26.4%, -35.5%, -39.1%)
    2 context sentences
    Summary · context
    At week 72, tirzepatide was associated with significantly greater reductions (negative values) or increases (positive values) in biomarker geometric means compared with placebo.
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  5. 05HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide 5, 10 and 15 mg reduced leptin by 44.4%, 59.3% and 61.4% versus placebo at week 72.

    In plain wordsIn adults with obesity, tirzepatide lowered the fat hormone leptin more than placebo at 72 weeks.

    Outcome
    DecreaseLeptin at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Adipokines · Metabolic and weight
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Measurements

    Leptin geometric mean change vs placebo
    −44.4%
    5 mg
    Leptin geometric mean change vs placebo
    −59.3%
    10 mg
    Leptin geometric mean change vs placebo
    −61.4%
    15 mg

    Source sentences

    Summary
    leptin (-44.4%, -59.3%, -61.4%)
    2 context sentences
    Summary · context
    At week 72, tirzepatide was associated with significantly greater reductions (negative values) or increases (positive values) in biomarker geometric means compared with placebo.
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  6. 06HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide 5, 10 and 15 mg reduced gamma-glutamyl transferase by 18.6%, 21.6% and 32.7% versus placebo at week 72.

    In plain wordsIn adults with obesity, tirzepatide lowered the liver enzyme gamma-glutamyl transferase more than placebo at 72 weeks.

    Outcome
    DecreaseGamma-glutamyl transferase at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Liver fat and liver function · Liver
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Measurements

    GGT geometric mean change vs placebo
    −18.6%
    5 mg
    GGT geometric mean change vs placebo
    −21.6%
    10 mg
    GGT geometric mean change vs placebo
    −32.7%
    15 mg

    Source sentences

    Summary
    gamma-glutamyl transferase (-18.6%, -21.6%, -32.7%)
    2 context sentences
    Summary · context
    At week 72, tirzepatide was associated with significantly greater reductions (negative values) or increases (positive values) in biomarker geometric means compared with placebo.
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  7. 07HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide 5, 10 and 15 mg reduced fibroblast growth factor-21 by 27.4%, 27.6% and 39.9% versus placebo at week 72.

    In plain wordsIn adults with obesity, tirzepatide lowered the metabolic stress hormone FGF-21 more than placebo at 72 weeks.

    Outcome
    DecreaseFibroblast growth factor-21 at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Adipokines · Metabolic and weight
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Measurements

    FGF-21 geometric mean change vs placebo
    −27.4%
    5 mg
    FGF-21 geometric mean change vs placebo
    −27.6%
    10 mg
    FGF-21 geometric mean change vs placebo
    −39.9%
    15 mg

    Source sentences

    Summary
    fibroblast growth factor-21 (-27.4%, -27.6%, -39.9%)
    2 context sentences
    Summary · context
    At week 72, tirzepatide was associated with significantly greater reductions (negative values) or increases (positive values) in biomarker geometric means compared with placebo.
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  8. 08HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide 5, 10 and 15 mg increased adiponectin by 21.1%, 35.1% and 47.7% versus placebo at week 72.

    In plain wordsIn adults with obesity, tirzepatide raised adiponectin, a hormone linked to metabolic health, more than placebo at 72 weeks.

    Outcome
    IncreaseAdiponectin at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Adipokines · Metabolic and weight
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Measurements

    Adiponectin geometric mean change vs placebo
    21.1%
    5 mg
    Adiponectin geometric mean change vs placebo
    35.1%
    10 mg
    Adiponectin geometric mean change vs placebo
    47.7%
    15 mg

    Source sentences

    Summary
    adiponectin (21.1%, 35.1%, 47.7%)
    2 context sentences
    Summary · context
    At week 72, tirzepatide was associated with significantly greater reductions (negative values) or increases (positive values) in biomarker geometric means compared with placebo.
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  9. 09HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide 15 mg reduced free fatty acids by 17.1% versus placebo at week 72; the 5 and 10 mg doses showed no significant change.

    In plain wordsIn adults with obesity, tirzepatide 15 mg lowered free fatty acids more than placebo at 72 weeks; lower doses did not.

    Outcome
    DecreaseFree fatty acids at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Lipids · Metabolic and weight
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Measurements

    Free fatty acids geometric mean change vs placebo
    −17.1%
    15 mg

    Source sentences

    Summary
    free fatty acids (NS, NS, -17.1%)
    2 context sentences
    Summary · context
    At week 72, tirzepatide was associated with significantly greater reductions (negative values) or increases (positive values) in biomarker geometric means compared with placebo.
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  10. 10HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide 10 and 15 mg reduced soluble intercellular adhesion molecule-1 by 9.7% and 11.1% versus placebo at week 72; the 5 mg dose showed no significant change.

    In plain wordsIn adults with obesity, tirzepatide 10 and 15 mg lowered a blood vessel stress marker (sICAM-1) more than placebo at 72 weeks.

    Outcome
    DecreaseSoluble intercellular adhesion molecule-1 at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Vascular function · Cardiovascular
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Measurements

    sICAM-1 geometric mean change vs placebo
    −9.7%
    10 mg
    sICAM-1 geometric mean change vs placebo
    −11.1%
    15 mg

    Source sentences

    Summary
    soluble intercellular adhesion molecule-1 (NS, -9.7%, -11.1%)
    2 context sentences
    Summary · context
    At week 72, tirzepatide was associated with significantly greater reductions (negative values) or increases (positive values) in biomarker geometric means compared with placebo.
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  11. 11HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide 5, 10 and 15 mg reduced E-selectin by 12.6%, 20.0% and 26.4% versus placebo at week 72.

    In plain wordsIn adults with obesity, tirzepatide lowered a blood vessel stress marker (E-selectin) more than placebo at 72 weeks.

    Outcome
    DecreaseE-selectin at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Vascular function · Cardiovascular
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Measurements

    E-selectin geometric mean change vs placebo
    −12.6%
    5 mg
    E-selectin geometric mean change vs placebo
    −20%
    10 mg
    E-selectin geometric mean change vs placebo
    −26.4%
    15 mg

    Source sentences

    Summary
    E-selectin (-12.6%, -20.0%, -26.4%)
    2 context sentences
    Summary · context
    At week 72, tirzepatide was associated with significantly greater reductions (negative values) or increases (positive values) in biomarker geometric means compared with placebo.
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  12. 12HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide 5, 10 and 15 mg reduced plasminogen activator inhibitor-1 antigen by 41.4%, 35.6% and 44.3% versus placebo at week 72.

    In plain wordsIn adults with obesity, tirzepatide lowered a blood clotting marker (PAI-1) more than placebo at 72 weeks.

    Outcome
    DecreasePlasminogen activator inhibitor-1 antigen at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Bleeding and clotting · Cardiovascular
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Measurements

    PAI-1:Ag geometric mean change vs placebo
    −41.4%
    5 mg
    PAI-1:Ag geometric mean change vs placebo
    −35.6%
    10 mg
    PAI-1:Ag geometric mean change vs placebo
    −44.3%
    15 mg

    Source sentences

    Summary
    plasminogen activator inhibitor-1:Ag (-41.4%, -35.6%, -44.3%)
    2 context sentences
    Summary · context
    At week 72, tirzepatide was associated with significantly greater reductions (negative values) or increases (positive values) in biomarker geometric means compared with placebo.
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  13. 13HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide 15 mg reduced platelets by 6.0% versus placebo at week 72; the 5 and 10 mg doses showed no significant change.

    In plain wordsIn adults with obesity, tirzepatide 15 mg lowered platelet counts more than placebo at 72 weeks; lower doses did not.

    Outcome
    DecreasePlatelet count at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Bleeding and clotting · Cardiovascular
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Measurements

    Platelet geometric mean change vs placebo
    −6%
    15 mg

    Source sentences

    Summary
    platelets (NS, NS, -6.0%)
    2 context sentences
    Summary · context
    At week 72, tirzepatide was associated with significantly greater reductions (negative values) or increases (positive values) in biomarker geometric means compared with placebo.
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  14. 14HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide showed no consistent association with changes in fibrinogen versus placebo.

    In plain wordsIn adults with obesity, tirzepatide showed no consistent change in fibrinogen compared with placebo.

    Outcome
    No significant changeFibrinogen at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Inflammation markers · Immune and inflammation
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Source sentences

    Summary
    No consistent associations were observed between tirzepatide and changes in fibrinogen, tissue plasminogen activator:Ag, or thrombomodulin.
    1 context sentence
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  15. 15HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide showed no consistent association with changes in tissue plasminogen activator antigen versus placebo.

    In plain wordsIn adults with obesity, tirzepatide showed no consistent change in a blood clotting marker (tPA) compared with placebo.

    Outcome
    No significant changeTissue plasminogen activator antigen at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Bleeding and clotting · Cardiovascular
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Source sentences

    Summary
    No consistent associations were observed between tirzepatide and changes in fibrinogen, tissue plasminogen activator:Ag, or thrombomodulin.
    1 context sentence
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).
  16. 16HumanRandomized controlled trialEfficacy outcome

    In adults with obesity, tirzepatide showed no consistent association with changes in thrombomodulin versus placebo.

    In plain wordsIn adults with obesity, tirzepatide showed no consistent change in thrombomodulin compared with placebo.

    Outcome
    No significant changeThrombomodulin at week 72
    Study

    n = 392

    Comparator
    Placebo
    Analysis
    Primary
    Outcome group
    Bleeding and clotting · Cardiovascular
    Studied dose
    5, 10, or 15 mg · 72 weeksAs given in this study (human).

    Source sentences

    Summary
    No consistent associations were observed between tirzepatide and changes in fibrinogen, tissue plasminogen activator:Ag, or thrombomodulin.
    1 context sentence
    Summary · context
    The aforementioned biomarkers were assayed from plasma samples, collected at baseline, 24 weeks, and 72 weeks, from 100 randomly selected participants from each group of the SURMOUNT-1 trial who completed treatment with once-weekly placebo or tirzepatide 5, 10, or 15 mg (n = 392 after low sample volumes excluded).

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Registered trials1

Trials this study reports on, or that list this study as a reference. Registry data from ClinicalTrials.gov.

1 trial · 1 completed · 1 with posted results · source ClinicalTrials.gov (opens in a new tab)

CompletedPhase 3Results postedNCT04184622

A Study of Tirzepatide (LY3298176) in Participants With Obesity or Overweight

Eli Lilly and Companyn = 2,5394 Dec 2019 to 6 Jul 2024

Overweight · Obesity

Trial pageClinicalTrials.govUpdated 24 Jul 2025

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    12 Oct 2026, 12:10 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 03:07 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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