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Daily evidence-led peptide research, regulatory news, expert digest and explainers. Every claim sourced; no AI tells.

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Explainer

Semaglutide plus SGLT2 inhibitors in China

A Chinese real-world analysis described six-month metabolic outcomes in adults using semaglutide with an SGLT2 inhibitor.

29 Sept 2026 · PeptideMethods Editorial Team · 4 min read
Trial readouts

Semaglutide and taste in mice

A 2026 mouse study found preserved taste responses during chronic semaglutide treatment, despite changes in sucrose-directed behavior.

29 Sept 2026 · PeptideMethods Editorial Team · 5 min read
Trial readouts

A two-timepoint semaglutide brain map

A mouse study mapped semaglutide-linked activity across more than 500 brain areas using two timepoints, finding 24 engaged regions.

29 Sept 2026 · PeptideMethods Editorial Team · 4 min read
Trial readouts

Surgery vs semaglutide and tirzepatide

A 44,025-person record study associated bariatric surgery with more weight loss than semaglutide or tirzepatide, but it was not randomized.

29 Sept 2026 · PeptideMethods Editorial Team · 4 min read
Trial readouts

Tirzepatide response after eight weeks

A SURMOUNT post hoc analysis linked early tirzepatide weight response with larger 72-week changes, while later responders still lost weight.

29 Sept 2026 · PeptideMethods Editorial Team · 4 min read
Explainer

Tirzepatide and lithium safety signal

A 23-person cohort found a lithium safety signal after tirzepatide initiation in bipolar disorder. It cannot estimate the risk or prove causation.

29 Sept 2026 · PeptideMethods Editorial Team · 4 min read
Trial readouts

Adolescent GLP-1 use: what remains unknown

A 2026 commentary reviews skeletal, reproductive and psychosocial questions around semaglutide and other GLP-1 drugs in adolescents.

28 Sept 2026 · PeptideMethods Editorial Team · 4 min read
Trial readouts

GLP-1 Records in Diabetic Neuropathy

A cross-sectional hospital study found more documented illness among neuropathy patients with GLP-1-based medication records, but no causal effect.

28 Sept 2026 · PeptideMethods Editorial Team · 4 min read
Trial readouts

GLP-1 Heart Failure Meta-analysis

A 14-trial meta-analysis found a favorable signal in HFpEF, while evidence for GLP-1 receptor agonists in HFrEF remained limited.

28 Sept 2026 · PeptideMethods Editorial Team · 4 min read
Trial readouts

GLP-1 rodent tumor evidence reassessed

A 2026 review argues that GLP-1 rodent thyroid tumors reflect a human-irrelevant mechanism, but long-term human risk is not settled.

28 Sept 2026 · PeptideMethods Editorial Team · 4 min read
Trial readouts

Hypothalamic Obesity in Craniopharyngioma

A 2026 review found different obesity patterns after pediatric and adult craniopharyngioma, while direct age comparisons remain absent.

28 Sept 2026 · PeptideMethods Editorial Team · 4 min read
Trial readouts

MASH drug cost-effectiveness model

A U.S. model found semaglutide and tirzepatide cost-effective versus standard care for MASH, with major uncertainty around prices and assumptions.

28 Sept 2026 · PeptideMethods Editorial Team · 4 min read