Skip to content

Study · Not a test of the peptide alone · 2026

6 results

Roux-en-Y Gastric Bypass Compared to Glucagon-Like Peptide-1 Receptor Agonists is Associated with Lower Out-of-Pocket Costs in Insured Patients with Type 2 Diabetes and Obesity: A Matched Analysis Over Two Years.

Thiyagarajan S, Wall-Wieler E, Liu Y, Zheng F, Edwards M

Obesity surgery3 Jan 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 study6

No result from this study comes from a test of the peptide.

Studies that did not test the peptide alone6

In this study, the peptide was a lab tool or a carrier, part of a mix, or the subject of a lab method. These results are not evidence about taking the peptide.

  1. 01HumanNot a test of Semaglutide aloneObservational studyOther

    In insured adults with type 2 diabetes and obesity, patient-paid costs at 1 year were similar for pooled GLP-1 receptor agonists (tirzepatide or semaglutide) and gastric bypass.

    In plain wordsIn insured adults with type 2 diabetes and obesity, first-year costs paid by patients were similar for GLP-1 drugs and gastric bypass surgery.

    Outcome
    No significant changeOut-of-pocket costs at 1 year
    Study

    n = 1,012

    Comparator
    Roux-en-Y gastric bypass
    Outcome group
    Healthcare costs and utilization · Whole body

    Source sentences

    Summary
    At 1-year after treatment initiation, healthcare costs paid directly by patients were similar for the RYGB ($2,301) and GLP-1 RAs ($2,179) (delta = $122, p = 0.15) cohorts.
    1 context sentence
    Summary · context
    Patients with RYGB had no treatment with GLP-1 RAs, and those who received GLP-1 RAs therapy with tirzepatide or semaglutide for ≥ 2 years had no metabolic and bariatric surgery (MBS) procedures.

    In this study, Semaglutide was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Semaglutide.

  2. 02HumanNot a test of Semaglutide aloneObservational studyOther

    In insured adults with type 2 diabetes and obesity, pooled GLP-1 receptor agonists (tirzepatide or semaglutide) had higher patient-paid costs than gastric bypass from one to two years ($2,104 vs. $1,277).

    In plain wordsIn insured adults with type 2 diabetes and obesity, GLP-1 drugs cost patients more than gastric bypass surgery from year one to year two.

    Outcome
    IncreaseOut-of-pocket costs from year 1 to year 2
    Study

    n = 1,012

    Comparator
    Roux-en-Y gastric bypass
    Outcome group
    Healthcare costs and utilization · Whole body

    Source sentences

    Summary
    From one to two years after index treatment date, OOP costs were significantly lower in the RYGB treatment group ($1,277 vs. $2,104, p < 0.01).
    1 context sentence
    Summary · context
    Patients with RYGB had no treatment with GLP-1 RAs, and those who received GLP-1 RAs therapy with tirzepatide or semaglutide for ≥ 2 years had no metabolic and bariatric surgery (MBS) procedures.

    In this study, Semaglutide was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Semaglutide.

  3. 03HumanNot a test of Semaglutide aloneObservational studyOther

    In insured adults with type 2 diabetes and obesity, patients on pooled GLP-1 receptor agonists (tirzepatide or semaglutide) spent $704 more in out-of-pocket costs than gastric bypass patients at 2 years.

    In plain wordsIn insured adults with type 2 diabetes and obesity, GLP-1 drugs cost patients $704 more than gastric bypass surgery after two years.

    Outcome
    IncreaseCumulative out-of-pocket costs at 2 years
    Study

    n = 1,012

    Comparator
    Roux-en-Y gastric bypass
    Outcome group
    Healthcare costs and utilization · Whole body

    Source sentences

    Summary
    Two years after treatment initiation, RYGB patients spent $704 less in OOP costs than similar patients treated with GLP-1 RAs medications (p < 0.01).
    1 context sentence
    Summary · context
    Patients with RYGB had no treatment with GLP-1 RAs, and those who received GLP-1 RAs therapy with tirzepatide or semaglutide for ≥ 2 years had no metabolic and bariatric surgery (MBS) procedures.

    In this study, Semaglutide was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Semaglutide.

  4. 04HumanNot a test of Tirzepatide aloneObservational studyOther

    In insured adults with type 2 diabetes and obesity, patient-paid costs at 1 year were similar for pooled GLP-1 receptor agonists (tirzepatide or semaglutide) and gastric bypass.

    In plain wordsIn insured adults with type 2 diabetes and obesity, first-year costs paid by patients were similar for GLP-1 drugs and gastric bypass surgery.

    Outcome
    No significant changeOut-of-pocket costs at 1 year
    Study

    n = 1,012

    Comparator
    Roux-en-Y gastric bypass
    Outcome group
    Healthcare costs and utilization · Whole body

    Source sentences

    Summary
    At 1-year after treatment initiation, healthcare costs paid directly by patients were similar for the RYGB ($2,301) and GLP-1 RAs ($2,179) (delta = $122, p = 0.15) cohorts.
    1 context sentence
    Summary · context
    Patients with RYGB had no treatment with GLP-1 RAs, and those who received GLP-1 RAs therapy with tirzepatide or semaglutide for ≥ 2 years had no metabolic and bariatric surgery (MBS) procedures.

    In this study, Tirzepatide was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Tirzepatide.

  5. 05HumanNot a test of Tirzepatide aloneObservational studyOther

    In insured adults with type 2 diabetes and obesity, pooled GLP-1 receptor agonists (tirzepatide or semaglutide) had higher patient-paid costs than gastric bypass from one to two years ($2,104 vs. $1,277).

    In plain wordsIn insured adults with type 2 diabetes and obesity, GLP-1 drugs cost patients more than gastric bypass surgery from year one to year two.

    Outcome
    IncreaseOut-of-pocket costs from year 1 to year 2
    Study

    n = 1,012

    Comparator
    Roux-en-Y gastric bypass
    Outcome group
    Healthcare costs and utilization · Whole body

    Source sentences

    Summary
    From one to two years after index treatment date, OOP costs were significantly lower in the RYGB treatment group ($1,277 vs. $2,104, p < 0.01).
    1 context sentence
    Summary · context
    Patients with RYGB had no treatment with GLP-1 RAs, and those who received GLP-1 RAs therapy with tirzepatide or semaglutide for ≥ 2 years had no metabolic and bariatric surgery (MBS) procedures.

    In this study, Tirzepatide was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Tirzepatide.

  6. 06HumanNot a test of Tirzepatide aloneObservational studyOther

    In insured adults with type 2 diabetes and obesity, patients on pooled GLP-1 receptor agonists (tirzepatide or semaglutide) spent $704 more in out-of-pocket costs than gastric bypass patients at 2 years.

    In plain wordsIn insured adults with type 2 diabetes and obesity, GLP-1 drugs cost patients $704 more than gastric bypass surgery after two years.

    Outcome
    IncreaseCumulative out-of-pocket costs at 2 years
    Study

    n = 1,012

    Comparator
    Roux-en-Y gastric bypass
    Outcome group
    Healthcare costs and utilization · Whole body

    Source sentences

    Summary
    Two years after treatment initiation, RYGB patients spent $704 less in OOP costs than similar patients treated with GLP-1 RAs medications (p < 0.01).
    1 context sentence
    Summary · context
    Patients with RYGB had no treatment with GLP-1 RAs, and those who received GLP-1 RAs therapy with tirzepatide or semaglutide for ≥ 2 years had no metabolic and bariatric surgery (MBS) procedures.

    In this study, Tirzepatide was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Tirzepatide.

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

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 3Current

    11 Oct 2026, 00:04 UTC

    Study results updated

  2. Version 2

    9 Oct 2026, 03:07 UTC

    Study data updated · source update from Europe PMC

  3. Version 1

    9 Oct 2026, 03:06 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

PepBank is a research reference. Talk to a doctor before you use any peptide.