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Specimen Atlas of Research Peptides81 plates · MIT
Side-by-side · Research reference

BronchogenvsSurvodutide

Side-by-side comparison across mechanism, dosage, evidence, side effects, administration, and stack synergies. Citations on every claim where available.

AAnimal-StrongHUMAN-REVIEWED16/35 cited
BPhase 3HUMAN-REVIEWED25/54 cited
Bronchogen
Tetrapeptide Bioregulator · Khavinson-School
0.05 ng/mLEffective concentrationZakutskiĭ 2006
60 daysCOPD model durationTitova 2017
30 daysTreatment courseKuzubova 2015
Research models: tissue culture / parenteral
Survodutide
GLP-1/Glucagon Dual Agonist · Phase 3
Once weeklyFrequency
Phase 3Development stageRubino 2026
GLP-1/GCGRDual targetZimmermann 2026
SQ · Once Weekly

01Mechanism of Action

Parameter
Bronchogen
Survodutide
Primary target
Bronchial epithelial cellsKuzubova 2015
GLP-1 receptor and glucagon receptor (GCGR)Yathindra 2026Zimmermann 2026
Pathway
Tissue-specific bioregulation → epithelial cell differentiation → ciliated cell restoration
Central: CVOs → hypothalamic appetite regulation. Peripheral: GLP-1R → incretin effect; GCGR → hepatic lipid metabolism, energy expenditureZimmermann 2026Long 2026
Downstream effect
Reversal of goblet cell hyperplasia, squamous metaplasia elimination, restoration of ciliated epithelium, normalized secretory IgA and surfactant protein B productionKuzubova 2015Titova 2017
Decreased energy intake, increased energy expenditure, improved glucose homeostasis, hepatic fat reductionZimmermann 2026Yathindra 2026
Feedback intact?
Origin
Synthetic tetrapeptide (Ala-Glu-Asp-Leu) from Khavinson bioregulator framework
Antibody development

02Dosage Protocols

Parameter
Bronchogen
Survodutide
Effective concentration (culture)
0.05 ng/mLZakutskiĭ 2006
Demonstrated in organotypic tissue culture of bronchial explants.
Treatment duration (animal)
1 month (30 days)Kuzubova 2015Titova 2017
Course duration in rat COPD models.
Evidence basis
Animal models (rat) / organotypic cultureTitova 2017Kuzubova 2015Zakutskiĭ 2006
No human clinical trials reported in available literature.
Phase 2 RCT (obesity) · Phase 3 ongoing
Model system
NO₂-induced COPD (60-day intermittent exposure)Titova 2017
Tissue specificity
Selective for bronchopulmonary tissue
Part of Khavinson organ-specific bioregulator series.
Standard dose
Not yet disclosed (Phase 3 ongoing)
SYNCHRONIZE Phase 3 program underway.Rubino 2026
Frequency
Once weekly
Route
SubcutaneousYathindra 2026
Phase 2 findings
Significant weight loss and metabolic marker improvementYathindra 2026
MASH indication
Under investigation for MASH-cirrhosisPatil 2026Andonie 2026

03Metabolic / Fat Loss Evidence

Parameter
Bronchogen
Survodutide
Primary fat target
Total body weight, visceral adipose tissue
Weight loss mechanism
Dual action: decreased energy intake + increased energy expenditureZimmermann 2026
Phase 2 efficacy
Significant weight loss demonstrated
Specific percentage not disclosed in abstracts.
Metabolic markers
Improvements in ALT, AST, LDL levels; significant ALT reduction (MD -22.10 vs placebo)Yathindra 2026Abulehia 2026Andonie 2026
MRI-PDFF reduction
Hepatic fat reduction demonstrated in MASH trialsAndonie 2026
Network meta-analysis
Favorable efficacy profile vs other glucagon receptor agonists
Hepatic requirement
Hepatic GCGR required for maximal weight loss and metabolic effectsLong 2026
Energy expenditure
Increased energy expenditure contributes to weight lossZimmermann 2026
Comparative efficacy
Network meta-analysis shows competitive efficacy in GRA class

04Side Effects & Safety

Parameter
Bronchogen
Survodutide
Animal safety profile
No adverse effects reported in published rat studies
Limited safety data; only animal models available.
Human data
Absent — no clinical trials in humans reported
Long-term effects
Unknown — maximum study duration 30 days in animals
GI symptoms
Diarrhea, nausea, fatigue — class effect of GLP-1 agonists
Safety profile
Network meta-analysis: comparable safety to other GRAs
Serious adverse events
Monitored in Phase 2/3; no unique safety signals reported
Detailed SAE data pending Phase 3 completion.
Injection site reactions
Expected with subcutaneous administration
Glucagon-related effects
Potential for tachycardia, increased blood pressure — theoretical glucagon effect
Absolute Contraindications
Bronchogen
Survodutide
  • ·Personal or family history of medullary thyroid carcinoma (class effect)
  • ·Multiple endocrine neoplasia syndrome type 2
Relative Contraindications
Bronchogen
Survodutide
  • ·Severe GI disease (inflammatory bowel disease, gastroparesis)
  • ·History of pancreatitis
  • ·Cardiovascular disease (monitor closely for glucagon effects)

05Administration Protocol

Parameter
Bronchogen
Survodutide
1. Research context only
Bronchogen has been studied exclusively in animal models and organotypic tissue culture. No approved formulation or human administration protocol exists.
Specific reconstitution protocol not yet publicly disclosed. Follow manufacturer instructions upon approval.
2. Animal model protocol
In rat COPD models, tetrapeptide administered for 30-day course following 60-day NO₂ exposure. Route and exact dosing not specified in abstracts.Titova 2017Kuzubova 2015
Subcutaneous — abdomen, thigh, or upper arm. Rotate sites weekly to minimize injection site reactions.
3. Organotypic culture
Bronchial tissue explants from young (3-week) and aged (18-month) rats cultured in medium containing 0.05 ng/mL bronchogen, demonstrating tissue-specific stimulation.Zakutskiĭ 2006
Once weekly, same day each week. Can be administered at any time of day, with or without meals.
4. Khavinson bioregulator tradition
Part of Russian peptide bioregulator framework emphasizing tissue-specific low-dose effects. Typically administered parenterally in related peptides from this series.
Store refrigerated (2–8 °C) until use. Do not freeze. Protect from light. Specific reconstituted storage duration pending labeling.
5. Needle
Subcutaneous injection with appropriate gauge needle (typically 27–31G). Use sterile technique.