VIP

Vasoactive intestinal peptide

A 28-amino-acid peptide of the secretin/glucagon superfamily, first isolated from porcine intestine and since found throughout the nervous system. It binds two G-protein-coupled receptors, VPAC1 and VPAC2, and shares a receptor family with the GLP-1 analogues in this directory despite an entirely separate physiological role.

Vasoactive intestinal peptide has 9 registered human studies on ClinicalTrials.gov, reaching phase 3, covering 1,031 planned or enrolled participants across the 7 studies that published a figure. No FDA-approved product contains Vasoactive intestinal peptide. 1,368 papers naming it were published in the last ten years.

Collected 2026-08-02 from ClinicalTrials.gov and Drugs@FDA. Counts include only trials whose registered intervention names Vasoactive intestinal peptide; the registry search is fuzzy, so every match is re-checked. None of this says whether Vasoactive intestinal peptide works or is safe.

FDA status

Research only

Human studies

9

Furthest phase

Phase 3

Papers, 10 yr

1,368

Readership

2,112

monthly average, Feb–Jul 2026

Tracking since 2026-07-29 · About this data

What has actually been tested in humans

B

Reached phase 3 or 4, not approved

9

Registered human studies

Phase 3

Furthest phase reached

1,031

Planned or enrolled participants, across 7 studies that published a figure

None

No FDA-approved product contains it

19 loose registry matches were checked and 9 confirmed — 10 named something else and were discarded. We count a study only when Vasoactive intestinal peptide is named as an intervention in it.

Registered means registered — not that the study finished, and not that it found anything. The grade is mechanical: it is computed from the registry and the FDA record alone, and it grades how much is known, never whether a compound is good or safe. Collected 2026-08-02 from ClinicalTrials.gov and Drugs@FDA. Check the query.

What Vasoactive intestinal peptide is, and what it has been studied for

Vasoactive intestinal peptide is classified by ChEMBL as a protein. Its FDA substance identifier is 6J2WVD66KR.

Across 9 registered trials, it has been studied in Migraine, Covid19, Sepsis and Respiratory Distress Syndrome. A condition here is what a sponsor registered the trial under — it records what was investigated, not what was shown.

The trials were run by Danish Headache Center and National Institute of Allergy and Infectious Diseases (NIAID) among others. A named commercial sponsor means a compound is in formal development; its absence does not mean the opposite, only that no company has registered a trial under its own name.

How far it got

Vasoactive intestinal peptide reached Phase 3 across 9 registered trials.Phase 1First given to peoplePhase 2Looking for an effectPhase 3Tested at scalePhase 4Studied after approval

Vasoactive intestinal peptide reached Phase 3 across 9 registered trials.

No FDA-approved product contains Vasoactive intestinal peptide. A compound can stop at any rung for commercial reasons as easily as scientific ones, and the registry does not record which.

Is anyone studying Vasoactive intestinal peptide?

Papers published each year that name Vasoactive intestinal peptide in the title or abstract, with the clinical trials that started in the same year marked beneath. Ten calendar years.

05010015020017181920212223242526trials
Vertical axis: papers published that year. Bar for 2026 is hatched because that year is still running.
Publications and trials naming Vasoactive intestinal peptide, by year
YearPublicationsTrials startedComplete year
20171200Yes
20181570Yes
20191771Yes
20201531Yes
20211602Yes
20221610Yes
20231720Yes
20241570Yes
20251840Yes
20261090No

1,368 papers and 4 registered trials between 2017 and 2026. A paper counts when “Vasoactive intestinal peptide” appears in its title or abstract — phrase-matched, so a paper mentioning the words separately is not counted. The total is a single query over the whole window, which is why it does not equal the bars added together: PubMed files a paper under both its electronic and its print publication date, so one paper can appear in two years. Publication volume measures scientific attention, not whether a compound works: a well-studied compound can be well-studied and ineffective. Sources: PubMed and ClinicalTrials.gov · collected 2026-08-02.

Published research on Vasoactive intestinal peptide

1,368 indexed papers name Vasoactive intestinal peptide in their title or abstract. These are the 8 PubMed ranks most relevant. Listing a paper is not a judgement about it, and none of these is summarised here — follow the link and read what it says.

  1. Vasoactive intestinal peptide secreting tumour: An overview

    Una Cidon EWorld journal of gastrointestinal oncology2022

    PMID 3558209810.4251/wjgo.v14.i4.808

  2. Vasoactive Intestinal Peptide-Secreting Tumors: A Review

    Siddappa PK, Vege SSPancreas2019

    PMID 3160993210.1097/MPA.0000000000001402

  3. Vasoactive intestinal peptide

    Said SIJournal of endocrinological investigation1986

    PMID 287224810.1007/BF03348097

  4. The role of vasoactive intestinal peptide in pulmonary diseases

    Zhong HL, Li PZ, Li D, et al.Life sciences2023

    PMID 3774273710.1016/j.lfs.2023.122121

  5. A Role for Vasoactive Intestinal Peptide Interneurons in Neurodevelopmental Disorders

    Goff KM, Goldberg EMDevelopmental neuroscience2021

    PMID 3379453410.1159/000515264

  6. Therapeutic potential of vasoactive intestinal peptide and its receptor VPAC2 in type 2 diabetes

    Hou X, Yang D, Yang G, et al.Frontiers in endocrinology2022

    PMID 3620410410.3389/fendo.2022.984198

  7. Role of vasoactive intestinal peptide in osteoarthritis

    Jiang W, Wang H, Li YS, et al.Journal of biomedical science2016

    PMID 2755365910.1186/s12929-016-0280-1

  8. Recent advances in vasoactive intestinal peptide physiology and pathophysiology: focus on the gastrointestinal system

    Iwasaki M, Akiba Y, Kaunitz JDF1000Research2019

    PMID 3155901310.12688/f1000research.18039.1

Collected 2026-08-02from PubMed, phrase-matched on “Vasoactive intestinal peptide” in title and abstract. Run the same search.

About Vasoactive intestinal peptide

A 28-amino-acid peptide of the secretin/glucagon superfamily, first isolated from porcine intestine and since found throughout the nervous system. It binds two G-protein-coupled receptors, VPAC1 and VPAC2, and shares a receptor family with the GLP-1 analogues in this directory despite an entirely separate physiological role.

Also known as
VIP · Aviptadil

Structure and mechanism only. Nothing above describes what this compound is for, and no dose appears anywhere on this page.

Reading on this compound

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