Peptides / Recovery and repair

Synthetic analog · 4 amino acids · 446.5 Da

Bronchogen (AEDL)

Not approved

Bronchogen is a short synthetic peptide (Ala-Glu-Asp-Leu) from the Khavinson bioregulator family, not approved as a drug. Its studies are in animals and lab cells, mostly on the lungs, inflammation and the immune system. PepBank shows 23 results on Bronchogen from animal and lab studies. No study in people has reported results yet. Data as of 2026-10-30.

Also known as AEDL, Ala-Glu-Asp-Leu, Bronchogen, Bronchogen peptide, Bronhogen

4 amino acids, from first to lastAEDL

Evidence level: Animal and lab studies onlyNo study in people has results. ClinicalTrials.gov lists no trial.

Results in people

0% of 23 results

Results in animals

70% of 23 results

Results in lab cells

30% of 23 results

From computer models

0% of 23 results

Overview

Bronchogen (AEDL) at a glance

What it is	Synthetic analog, 4 amino acids
Approval	Not approved for any use
In sport	Status unknown
Studies	7 studies with results. 5 of them gave Bronchogen, with 23 results. 16 in animals7 in lab cells
Clinical trials	None registered
Community use	Community interest in bronchial tissue research

The science

What is Bronchogen?

Synthetic Ala-Glu-Asp-Leu peptide from the Khavinson bioregulator family.

Amino acids in one chain

Bronchogen (AEDL) structure and chemistry

The key facts about the molecule. Long codes are in the closed section below.

Sequence, 4 amino acidsFrom the first amino acid to the last

A1−E−DL

Darker means more water-repelling+ and − show charge in the body

Structure

Bronchogen (AEDL) is a synthetic analog of 4 amino acids, with no ring, no changed amino acids.

Formula

C₁₈H₃₀N₄O₉

Molecular weight

446.5 g/mol

CAS number

857267-12-0

Development

Highest phase: no known clinical development.

Identifiers

PubChem 11690869

Full sequence, SMILES and InChIKey

Three-letter sequence
H-Ala-Glu-Asp-Leu-OH

InChIKey
OFZRHTIWKZWPQF-BJDJZHNGSA-N

SMILES
C[C@@H](C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CC(C)C)C(=O)O)N

See charge, composition and 3D structure on the Scientific page

The evidence

What Bronchogen studies show

Results grouped by what the studies measured. Each card shows where its results come from.

Animal and lab studies onlyNo study in people has results. ClinicalTrials.gov lists no trial.

Immune system and inflammation

10 results · 10 animal

In rats with COPD, bronchogen reduced neutrophilic inflammation. Rossiiskii fiziologicheskii zhurnal imeni I.M. Sechenova, 2017

Lungs and breathing

6 results · 6 animal

In rats with COPD, bronchogen restored the structure of the airway lining. Rossiiskii fiziologicheskii zhurnal imeni I.M. Sechenova, 2017

Key Bronchogen studies

Studies in people come first, then studies in animals and in the lab.

Animals
[ANTIINFLAMMATORY AND REGENERATIVE EFFECT OF PEPTIDE THERAPY IN THE MODEL OF OBSTRUCTIVE LUNG PATHOLOGY]
Titova et al. 2017 · Rossiiskii fiziologicheskii zhurnal imeni I.M. Sechenova · cited by 0
7 results
Animals
Modulating Effect of Peptide Therapy on the Morphofunctional State of Bronchial Epithelium in Rats with Obstructive Lung Pathology
Kuzubova et al. 2015 · Bulletin of experimental biology and medicine · cited by 0
9 results
Lab cells
Short Exogenous Peptides Regulate Expression of CLE, KNOX1, and GRF Family Genes in Nicotiana tabacum
Fedoreyeva et al. 2017 · Biochemistry. Biokhimiia · cited by 8
3 results
Lab cells
Peptides tissue-specifically stimulate cell differentiation during their aging
Khavinson et al. 2012 · Bulletin of experimental biology and medicine · cited by 6
2 results
Lab cells
Penetration of short fluorescence-labeled peptides into the nucleus in HeLa cells and in vitro specific interaction of the peptides with deoxyribooligonucleotides and DNA
Fedoreyeva et al. 2011 · Biochemistry. Biokhimiia · cited by 29
2 results

All 7 Bronchogen (AEDL) studies

Bronchogen clinical trials

ClinicalTrials.gov lists no trial of Bronchogen. A trial under another name may exist.

Status and safety

Is Bronchogen approved?

FDA

United States

Not approved

No approved medicine contains it.

EMA

European Union

Not approved

No approved medicine contains it.

WADA

Sport

Not recorded

Status unknown.

No. Not approved for any use. The sources we use show no clinical development. They show no approval at the FDA, the EMA or elsewhere (as of 21 Oct 2026). Status unknown.

Laws and labels change, so check the regulator for the current status.

Bronchogen side effects and safety

PepBank has no safety result from studies of Bronchogen yet. That does not mean Bronchogen is safe.

Doses studied (1 shown)

The doses that these studies used. They are not recommendations.

Dose as reported	Class	Species	Route	Duration	Design	Source
10^-7–10^-9 M	Lab	Nicotiana tabacum	Not reported	Not reported	Study on cells in a dish	Fedoreyeva 2017

From the community

How people use it

What people report online. It comes from forums and guides, not from studies.

Community-reported. Not tested in trials.

The guide describes bronchial tissue research. It reports a use pattern, without proof of safety or benefit.

Reported routines and cautions

What people use it for

Community interest in bronchial tissue researchS1

Reported regimens

Regimens that community sources report for Bronchogen. Community-reported, not tested in trials.
Context	Route	Amount	How often	How long	Agreement	Sources
Community interest in bronchial tissue research	subcutaneous injection	1 to 2 mg per dose	once daily	10 to 20 days	Single non-vendor guide. The underlying community reports were not independently verified.	S1

Community sources

S1Bronchogen dosage, protocols and mixing | Vial Guide (opens in a new tab)vialguide.com

Gaps

This is one secondary guide. Its underlying community reports remain unverified. The guide also describes other regimens. No official medicine label was established. Product purity and actual use were not independently tested. The Bronchogen name has an AEDL versus ADEL sequence conflict.

Questions and more

Ask a question about Bronchogen

The answer links to every study it uses.

What does the evidence say about Bronchogen?Is Bronchogen tested in people?Compare with BPC-157 Compare with Thymosin beta-4 (human)

Sources

Database: PepBank data for Bronchogen (data version 308560)
Regulator: FDA status record
Regulator: EMA status record
Regulator: WADA status record
Community: community sources (forums and guides), as summarized in the PepBank community file

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

PepBank is a research reference. Talk to a doctor before you use any peptide.

Ask your AI about Bronchogen

Curo is a peptide shop. PepBank and Curo have the same owner. See the Curo catalog (opens in a new tab).

Bronchogen (AEDL)

Not approved

Also known as AEDL, Ala-Glu-Asp-Leu, Bronchogen, Bronchogen peptide, Bronhogen

What it is

Synthetic analog, 4 amino acids

Approval

Not approved for any use

In sport

Status unknown

Studies

7 studies with results. 5 of them gave Bronchogen, with 23 results.
16 in animals7 in lab cells

Clinical trials

None registered

Community use

Community interest in bronchial tissue research

Dose as reported

Class

Species

Route

Duration

Design

Source

10^-7–10^-9 M

Lab

Nicotiana tabacum

Not reported

Study on cells in a dish

Fedoreyeva 2017

Context

Route

Amount

How often

How long

Agreement

Sources

Community interest in bronchial tissue research

subcutaneous injection

1 to 2 mg per dose

once daily

10 to 20 days

Single non-vendor guide. The underlying community reports were not independently verified.

Bronchogen (AEDL)

Bronchogen (AEDL) at a glance

What is Bronchogen?

Bronchogen (AEDL) structure and chemistry