Peptide Schedule
Survodutide28 residuesHQGTFTSDYSKYLDERAAKDFIKWLESAEach bubble = one amino acid. Size = residue mass. Color = chemical class.

Survodutide

Weight LossInjectionPhase 3Grade B~6 days half-life
GLP-1 AgonistWeight ManagementAppetite RegulationFat LossAnti-Fibrotic

Benefits

Up to 80% liver fat reduction
Dual-action weight loss mechanism
Leading candidate for MASH/fatty liver treatment
Significant body weight reduction
Weekly dosing
Half-Life
~6 days
Route
Injection
Frequency
Weekly
Vial Sizes
10mg
BAC Water
2mL
Safety Grade
Grade B
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About Survodutide

Survodutide is a dual GLP-1/glucagon receptor agonist developed by Boehringer Ingelheim. What sets it apart is its remarkable effect on liver fat — clinical trials showed up to 80% reduction in liver fat content, making it a leading candidate for MASH (metabolic dysfunction-associated steatohepatitis). It also produces significant weight loss through combined appetite suppression and thermogenic fat burning.

Who Should Consider Survodutide

  • Adults with BMI ≥30 (or ≥27 with weight-related comorbidity)
  • Patients with MASH/NASH and liver fibrosis (F1-F3)
  • Adults with obesity and type 2 diabetes (SYNCHRONIZE-2 population)
  • Patients who have not responded adequately to GLP-1-only agonists
  • Adults with obesity-related cardiovascular risk factors

How Survodutide Works

Survodutide is a dual glucagon receptor (GCGR) and GLP-1 receptor agonist. GLP-1 receptor activation suppresses appetite, slows gastric emptying, and enhances glucose-dependent insulin secretion. Glucagon receptor activation increases hepatic fat oxidation, boosts energy expenditure through thermogenesis, and promotes lipolysis. This dual mechanism produces both weight loss and direct liver fat reduction — a key differentiator from GLP-1-only agonists. A C18 diacid modification enables albumin binding, extending the half-life to support weekly dosing.

What to Expect

Weeks 1-4

Starting dose 0.6mg weekly. Mild appetite suppression may begin. GI side effects (nausea, diarrhea) are most common during early titration. Minimal weight loss expected — this is a tolerability phase.

Weeks 5-12

Dose escalated through 1.2mg and 1.8mg. Appetite reduction becomes more noticeable. Early weight loss of 2-4%. GI symptoms typically peak during each dose increase then improve.

Weeks 13-20

Continued escalation toward target dose (3.6mg or 6.0mg). Steady weight loss accumulating. Liver fat reduction measurable on imaging in MASH patients.

Weeks 21-46

Maintenance at target dose. Phase 2 data showed up to 14.9% weight loss at 46 weeks (4.8mg, planned treatment analysis) and nearly 19% in completers. MASH trial showed up to 80% liver fat reduction at 48 weeks.

Weeks 47-76

Extended maintenance phase (Phase 3 SYNCHRONIZE design). Further weight loss and metabolic improvements expected. Long-term outcomes data pending from ongoing trials.

Dosing Protocol

LevelDose / InjectionFrequency
Beginner600mcgWeekly
Moderate2,400mcgWeekly
Aggressive4,800mcgWeekly

Note: Dual GLP-1/glucagon agonist by Boehringer Ingelheim. Up to 80% liver fat reduction in MASH trials. Titrate from 0.6mg weekly.

How to Inject Survodutide

Inject subcutaneously once weekly into abdomen, thigh, or upper arm. Rotate injection sites. Follow a slow dose-escalation schedule: start at 0.6mg weekly and titrate over 20 weeks to the target dose (3.6mg or 6.0mg) to minimize GI side effects.

Cycling Protocol

On Period
76 weeks
Off Period
0 weeks

Based on SYNCHRONIZE Phase 3 trial design (76 weeks). Titrate from 0.6mg weekly over 20 weeks. Long-term maintenance data not yet available.

Pharmacokinetics

Half-Life
144h
Bioavailability
SC: ~80-90% (preclinical)
Tmax
2-3 days
Data Confidence
moderate

Source: Phase 1/2 PK data; t½ ~109-115h median, ~6 days reported (albumin-bound C18 diacid conjugate)

Pharmacokinetics — Active Dose Over Time

Loading the interactive decay curve.

Side Effects

Nausea, diarrhea, vomiting (dose-dependent). Decreased appetite. Slow titration recommended to minimize GI effects.

Contraindications

  • Personal or family history of medullary thyroid carcinoma (MTC)
  • Multiple Endocrine Neoplasia syndrome type 2 (MEN2)
  • History of pancreatitis or active pancreatitis
  • Pregnancy or planning to become pregnant
  • Breastfeeding
  • Known hypersensitivity to survodutide or any excipients
  • Severe gastrointestinal disease (e.g., gastroparesis)
  • Decompensated cirrhosis (limited safety data available)

Drug Interactions

  • Insulin and sulfonylureas — increased hypoglycemia risk; dose reduction often needed
  • Other GLP-1 receptor agonists (semaglutide, tirzepatide, liraglutide) — do not combine; overlapping mechanism
  • Oral contraceptives — reduced efficacy due to delayed gastric emptying; use barrier method during titration
  • Oral medications with narrow therapeutic index (e.g., warfarin) — monitor closely due to delayed gastric emptying
  • Anticholinergic drugs — may compound GI side effects and further slow gastric motility

Storage & Stability

Before Reconstitution
Refrigerate at 2-8°C
After Reconstitution
Refrigerate at 2-8°C, use within 4 weeks
Temperature
2-8°C (36-46°F)

Molecular Profile

Amino Acids
28
Molecular Weight
4,231.63 Da
Sequence
HQGTFTSDYSKYLDERAAKDFIKWLESA
HydrophobicPolarPositiveNegativeSpecialHow we generate these icons

Related Peptides

References

  1. Glucagon and GLP-1 receptor dual agonist survodutide for obesity: a phase 2 dose-finding trialPubMed 38330987
  2. A Phase 2 Randomized Trial of Survodutide in MASH and Fibrosis (NEJM)PubMed 38847460
  3. Efficacy, tolerability and pharmacokinetics of survodutide in cirrhosisPubMed 38857788
  4. SYNCHRONIZE-1 Phase 3 Trial — Baseline CharacteristicsPubMed 41187967
  5. SYNCHRONIZE-2 Phase 3 Trial — Baseline CharacteristicsPubMed 41216778
  6. SYNCHRONIZE-1 Trial Registration (NCT06066528)Clinical Trial

Frequently Asked Questions