MetabolicMolecular Weight: 4500Reviewed: 2026-04-22

Survodutide

BI 456906

Survodutide is an investigational dual GLP-1 / glucagon receptor agonist in late-stage development for obesity and MASH (metabolic dysfunction-associated steatohepatitis). The glucagon arm distinguishes it from tirzepatide (GLP-1/GIP) and is central to why liver endpoints are prominent in its development program.

Quick Answer

Survodutide matters because the glucagon arm changes the conversation. Searchers want to understand how dual GLP-1/glucagon agonism compares to GLP-1/GIP (tirzepatide) and triple agonism (retatrutide), and why liver outcomes sit alongside weight loss.

Mechanism

Dual agonist of the GLP-1 and glucagon receptors. GLP-1 engagement drives appetite reduction, delayed gastric emptying, and glucose-dependent insulin release. Glucagon engagement adds an energy-expenditure component and has distinct effects on hepatic lipid metabolism, which is central to survodutide’s prominence in MASH (liver) research in addition to obesity.

Half-Life

Approximately 6-7 days (supports once-weekly dosing)

Administration

Subcutaneous

Technical Protocol

Survodutide: Dual GLP-1 / Glucagon Agonist Research Profile

Overview

Survodutide (BI 456906) is an investigational once-weekly peptide being developed by Boehringer Ingelheim and Zealand Pharma. It is a dual agonist of the GLP-1 and glucagon receptors — the same receptor combination that distinguishes it from tirzepatide (which is GLP-1 + GIP).

Mechanism of Action

  • GLP-1 receptor: drives appetite reduction, delayed gastric emptying, and glucose-dependent insulin release.
  • Glucagon receptor: adds an energy-expenditure component; historically a counter-regulatory hormone, in the context of simultaneous GLP-1 engagement the glucagon arm preferentially drives fat oxidation and hepatic lipid handling without causing hyperglycemia.

This ratio-engineered design is what makes survodutide prominent in MASH / hepatic-outcome research, not just obesity.

Research Evidence

  • Obesity Phase 2: reported weight reductions in the high-teens percent range at 46 weeks at the highest dose.
  • MASH Phase 2: drew particular attention because glucagon engagement is mechanistically plausible for hepatic fat and fibrosis signals that GLP-1 monotherapy targets indirectly.
  • Phase 3: pivotal readouts in obesity and MASH are the next milestone.

Why It Matters

Survodutide is the clearest current example of why glucagon receptor engagement is back in the metabolic conversation. It bridges obesity pipelines and MASH pipelines with a single mechanism.

Safety Framing

Typical incretin-class safety themes apply (GI tolerability, pancreatitis signals, gallbladder events, heart-rate modulation). Glucagon physiology also means careful dose-titration design is central to development.

Storage

  • Temperature: 2–8°C
  • Do not freeze
  • Protect from light

This information is for research and educational purposes only. Survodutide is investigational and not approved for human use.

Frequently Asked Questions

Is survodutide the same as tirzepatide?

No. Tirzepatide is a GLP-1/GIP dual agonist. Survodutide is a GLP-1/glucagon dual agonist. The glucagon arm changes expected effects on energy expenditure and hepatic lipid metabolism and is why MASH outcomes appear prominently in the survodutide program.

Why is survodutide studied for MASH?

Glucagon receptors are densely expressed in the liver. Engaging glucagon signaling in combination with GLP-1 is mechanistically plausible for hepatic fat and fibrosis outcomes that GLP-1 monotherapy addresses less directly.

How should Survodutide be stored?

Store at 2-8°C, do not freeze, protect from light

Continue the Research Path

Answer-First Research Snapshot

Evidence

The strongest opportunity is to explain the dual receptor design honestly, frame Phase 2 obesity and MASH signals conservatively, and place survodutide correctly among adjacent incretin compounds.

Dosage Context

Dose questions reflect curiosity about titration and tolerability relative to semaglutide and tirzepatide. Framing should stay research-oriented and avoid protocol speculation.

Status

Survodutide is in Phase 3 development for obesity and MASH. The page should be framed as evidence-maturing and status-sensitive.

Distinguish GLP-1/glucagon (survodutide) from GLP-1/GIP (tirzepatide) and triple agonism (retatrutide).

Explain why the glucagon arm links weight loss to hepatic lipid biology and MASH endpoints.

Keep cross-trial comparisons cautious and evidence-stage transparent.

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