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#GLP-1 class

Coverage of the GLP-1 receptor agonist family and its successors.

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Weight Regain After Stopping GLP-1 Drugs

A 2026 Bayesian meta-analysis maps how quickly body weight returns after stopping semaglutide or tirzepatide and what the trajectory looks like over time.

1 Sept 2026 · PeptideMethods Editorial Team · 4 min read
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GLP-1 in PCOS: the fertility evidence gaps

A scientific debate in Clinical Nutrition ESPEN spotlights how much the field still does not know about semaglutide, PCOS, and fertility.

1 Sept 2026 · PeptideMethods Editorial Team · 5 min read
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Tirzepatide powder: what the label says

Forum questions about reconstituting tirzepatide powder reveal a key fact: FDA-approved tirzepatide is supplied ready-to-inject, not as a lyophilized powder.

1 Sept 2026 · PeptideMethods Editorial Team · 4 min read
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Tirzepatide vs care in early T2D at 2 years

A 2-year trial in Annals of Internal Medicine finds tirzepatide reduces HbA1c and weight more than intensified conventional care in early T2D.

1 Sept 2026 · PeptideMethods Editorial Team · 4 min read
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Tirzepatide vs semaglutide: meta-analysis

A 2026 meta-analysis in Clinical Obesity pooled head-to-head and indirect trial data comparing tirzepatide and semaglutide for weight loss.

1 Sept 2026 · PeptideMethods Editorial Team · 4 min read
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PNPHO nanocarrier for nasal semaglutide

A thermoresponsive PNPHO nanocarrier encapsulated semaglutide at 89% efficiency and improved glucose tolerance in animals. The research is preclinical.

31 Aug 2026 · PeptideMethods Editorial Team · 5 min read
Explainer

PNPHO nanocarrier for nasal semaglutide

A thermoresponsive PNPHO nanocarrier encapsulated semaglutide at 89% efficiency and improved glucose tolerance in animals. The research is preclinical.

31 Aug 2026 · PeptideMethods Editorial Team · 6 min read
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PT-141 for low libido on GLP-1 drugs

Reduced libido is a reported side effect on GLP-1 drugs. Here is what the evidence shows for PT-141 (bremelanotide) and kisspeptin as options for women.

31 Aug 2026 · PeptideMethods Editorial Team · 5 min read
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Retatrutide and DKA in type 1 diabetes

A Cureus 2026 case report: a type 1 diabetes patient self-injected online-sourced retatrutide and developed impending DKA alongside a Shigella infection.

31 Aug 2026 · PeptideMethods Editorial Team · 4 min read
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Semaglutide and CRP in obesity: 2026 data

A 2026 meta-analysis of nine trials found semaglutide cut body weight 12% and C-reactive protein 41% versus placebo in non-diabetic adults with obesity.

31 Aug 2026 · PeptideMethods Editorial Team · 5 min read
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Weight loss as disease modification

A new review asks when reducing excess adiposity changes disease outcomes, and where evidence for semaglutide and tirzepatide remains limited.

29 Aug 2026 · PeptideMethods Editorial Team · 5 min read
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GLP-1 drugs in lipedema: survey evidence

A 2026 Obesity Pillars survey collected self-reported outcomes from people with lipedema on GLP-1 or GLP-1/GIP drugs. Patient data, but no controlled trial.

28 Aug 2026 · PeptideMethods Editorial Team · 5 min read