Molecular Reference

Specimen · pancragen

Pancragen

Also known as: KEDW · Lys-Glu-Asp-Trp-NH2

Human observationalUnclear

On this page
  1. What is Pancragen?
  2. How is Pancragen supposed to work?
  3. What does the research actually show?
  4. Is Pancragen a peptide for blood sugar?
  5. What is the Pancragen dosage in research?
  6. Is Pancragen safe? Side effects and risks
  7. Is Pancragen FDA-approved or banned in sport?
  8. Evidence by outcome
  9. FDA & legal status
  10. References
  11. Related compounds

Pancragen is a four-amino-acid KEDW peptide promoted as a pancreas bioregulator, but the evidence is far thinner than the sales language. One poorly described human report exists alongside rat, monkey, and cell studies; no registered clinical trial or FDA-approved product exists, and no dependable human dosage or safety profile has been established.

Key facts

  • What it is: synthetic Lys-Glu-Asp-Trp, also called the KEDW peptide
  • Studied for: glucose regulation and age-related pancreatic function
  • Evidence tier: human observational, based on one thin clinical abstract; most evidence is preclinical
  • U.S. status (July 2026): unapproved; marketed online for research use only
  • Pancragen dosage: no established human dose
  • Main risk: human adverse effects and interactions have not been characterized
  • Sport: not named individually; WADA’s S0 catch-all may cover unapproved pharmacological substances

What is Pancragen?

Pancragen is a synthetic tetrapeptide, meaning a chain only four amino acids long: lysine, glutamic acid, aspartic acid, and tryptophan. Their one-letter codes spell KEDW. The Pancragen peptide comes from Vladimir Khavinson’s short-peptide research program and is described as a pancreas bioregulator, a proposed tissue-directed signal rather than an established drug class.

Identity deserves unusual care here. PubMed records describe Pancragen as Lys-Glu-Asp-Trp or its amidated form, Lys-Glu-Asp-Trp-NH2. This profile omits a CAS number, molecular formula, and PubChem sameAs because no matching PubChem record could be verified. One CID repeated in current search results, 68452887, resolves to an unrelated non-peptide compound. Leaving the field blank beats wiring Google to the wrong molecule.

Pancragen belongs in the longevity peptide hub because most research frames pancreatic changes through aging. That category describes the research angle, not a demonstrated longevity effect.

How is Pancragen supposed to work?

Pancragen does not have a validated receptor or a settled mechanism. Cell-culture papers from the originating group report altered expression of pancreatic differentiation factors and proteins linked to cell survival and proliferation. In plain English, researchers saw molecular switches move in cultured pancreatic cells; they did not show that KEDW rebuilds a human pancreas or reliably changes diabetes outcomes.

The distinction matters because gene-expression language can make an early experiment sound clinically finished. A culture dish shows that cells respond under chosen laboratory conditions. It cannot establish oral absorption, a useful exposure in the pancreas, durable benefit, or safety in a person. The guide to reading peptide evidence explains why mechanism is a starting rung, not a treatment result.

What does the research actually show?

Pancragen has one thin human signal, not a convincing human trial program. A 2012 PubMed-indexed abstract describes 30 healthy older adults and 33 older adults with type 2 diabetes. The authors report lower fasting and glucose-tolerance-test glucose, insulin, and an insulin-resistance index after Pancragen. The abstract does not state the Pancragen dose, route, allocation method, masking, effect sizes, or adverse events. ClinicalTrials.gov returned no registered Pancragen studies on July 16, 2026.

The better-described work is still preclinical. In streptozotocin-treated Wistar rats, oral Pancragen lowered blood glucose during treatment. Intramuscular Pancragen normalized adhesion of the mesenteric capillary endothelium, the cell lining of small abdominal blood vessels, but did not change capillary permeability. Those are separate route-specific findings in experimentally diabetic rats.

Old rhesus monkeys add a second animal model, not human proof. Five monkeys received 50 micrograms per animal daily by intramuscular injection for 10 days; four received glimepiride. Pancragen was associated with faster glucose disappearance and normalized insulin and C-peptide dynamics, with part of the effect remaining three weeks later. Nine animals and no placebo group make this a lead, not a verdict.

Is Pancragen a peptide for blood sugar?

Pancragen is studied around blood sugar, but calling it a peptide for blood sugar implies more certainty than the record supports. The rat hypoglycemic effect is real within that experiment, and the elderly-adult abstract is worth knowing about. Neither provides the replicated, randomized human evidence needed to treat KEDW as diabetes therapy.

That is the useful comparison for readers arriving from GLP-1 peptides. Semaglutide has large randomized human trials, standardized products, labeled doses, and measured risks. Pancragen has one incomplete human abstract and small preclinical studies. Both intersect pancreatic biology; their evidence is not remotely interchangeable.

What is the Pancragen dosage in research?

Pancragen dosage is not established for humans. The 2012 human abstract does not report a dose or route, and the 2007 rat abstract does not report a dose. The monkey experiment used 50 micrograms per animal per day intramuscularly for 10 days, but converting a fixed monkey dose into a human protocol would be guesswork.

Online pages commonly fill this blank with capsule or injection schedules. Those numbers are not rescued by repetition. Without a traceable human method, pharmacokinetics, product standard, or dose-finding trial, there is no evidence-based human Pancragen dosage to print.

Is Pancragen safe? Side effects and risks

Pancragen’s human safety profile is unknown because the published record does not provide systematic adverse-event data. The human abstract reports metabolic findings without a detailed safety table. The small monkey paper calls its findings encouraging, but nine animals cannot reveal uncommon harms, long-term effects, pregnancy risk, cancer risk, or interactions with insulin and glucose-lowering drugs.

The most concrete concern follows the intended effect: a substance that changes glucose regulation could produce unwanted glucose changes. Whether that happens in people, how often, and at what exposure are unanswered questions. Research-market product identity, purity, and sterility add separate risks that the molecule’s animal papers cannot measure.

Is Pancragen FDA-approved or banned in sport?

Pancragen is not FDA-approved in the United States as of July 16, 2026, and no matching product appeared in Drugs@FDA. “Research use only” is a seller label, not permission for human treatment and not a softer form of approval. The absence of a controlled-substance listing also would not make an unapproved product an approved medicine.

Pancragen is not named individually on WADA’s 2026 Prohibited List. WADA’s S0 section nevertheless prohibits pharmacological substances not otherwise listed that lack current approval for human therapeutic use by a governmental health authority. Because this review verified U.S. nonapproval but did not establish every jurisdiction’s status, tested athletes should treat Pancragen as an S0 risk and obtain a ruling from their anti-doping authority rather than trusting a vendor FAQ.

Pancragen is an early research story with a human footnote that search results often either inflate or miss. The right read is neither “rats only” nor “clinically shown”: one opaque clinical report sits above a small preclinical base, while the dose, safety, replication, and regulatory pieces remain open.

Evidence by outcome

Each outcome Pancragen has been studied for, with the honest evidence grade and what the studies actually found. A tier never stands alone — the verdict rides with it.

OutcomeEvidenceWhat was found
Blood glucose and insulin resistance in older adultsHuman observationalUnclearOne PubMed-indexed abstract reports glucose, insulin, and insulin-resistance changes in 33 older adults with type 2 diabetes. The abstract does not give enough detail about dose, allocation, masking, adverse events, or the size of the effect to establish efficacy.
Blood glucose in experimental diabetesAnimal-onlyHelped⚠ none in humansIn streptozotocin-treated Wistar rats, oral Pancragen lowered blood glucose during treatment. Intramuscular Pancragen changed a separate endothelial adhesion measure but did not change capillary permeability.
Age-related pancreatic endocrine functionAnimal-onlyHelped⚠ none in humansIn five old female rhesus monkeys, 50 micrograms per animal daily for 10 days was associated with faster glucose disappearance and normalized insulin and C-peptide responses. Four monkeys received glimepiride; there was no placebo group.

FDA & legal status

  • United States: research use only (as of Jul 2026)

    No Pancragen product appears in FDA's approval database. "Research use only" describes how online material is marketed; it is not FDA approval or permission to sell the product for human treatment.

References

  1. 1.Khavinson et al., 2007 — Pancragen in rats with experimental diabetes (PMID 18642713)NIH
  2. 2.Korkushko et al., 2012 — Pancragen and metabolic disorders in older adults (PMID 22448364)NIH
  3. 3.Goncharova et al., 2014 — Pancragen in old rhesus monkeys (PMID 25946840)NIH
  4. 4.ClinicalTrials.gov — Pancragen study searchNIH
  5. 5.FDA — Drugs@FDA approval databaseFDA
  6. 6.WADA — 2026 Prohibited Listother