Drugs / Buloxibutid

Trials 5

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 03 trials
Phase 0 NCT06157580 Dec 2023 → Oct 2024 preeclampsia Anna Stanhewicz, PhD Completed No outcome recorded
Phase 0 NCT05937841 Jun 2023 → Aug 2025 overdue preeclampsia Anna Stanhewicz, PhD Recruiting No outcome recorded
Phase 0 NCT05576155 Oct 2022 → Feb 2023 — Anna Stanhewicz, PhD Completed No outcome recorded
Phase 11 trial
Phase 1 NCT05277922 Apr → May 2022 isoproterenol-mediated vasodilatation Vicore Pharma AB Completed No outcome recorded
Phase 21 trial
Phase 2 NCT06588686 Dec 2024 → May 2027 expected idiopathic pulmonary fibrosis Vicore Pharma AB Active not recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 10

DateIssuerRelease
2026-08-24 Vicore Pharma AB Results Vicore Pharma to Present at the European Respiratory Society Congress 2026 vicorepharma.com ↗
Buloxibutid (C21) activates the angiotensin II type 2 receptor in alveolar epithelial type II cells, increasing MMP-13 associated with fibrosis resolution in idiopathic pulmonary fibrosis
2026-04-29 Vicore Pharma AB Results Vicore Pharma Announces Presentations at the 2026 American Thoracic Society International Conference vicorepharma.com ↗
Buloxibutid Stabilizes and Improves Lung Function in Idiopathic Pulmonary Fibrosis and Elevates Plasma MMP-13, Linking AT2 Receptor Activation in Alveolar Epithelial Type 2 Cells to Resolution of Fibrosis
2025-09-30 Vicore Pharma AB Regulatory Buloxibutid Receives Orphan Drug Designation in Japan for the Treatment of Idiopathic Pulmonary Fibrosis vicorepharma.com ↗
Stockholm, September 30, 2025 – Vicore Pharma Holding AB (STO: VICO), unlocking the potential of a novel class of drugs, angiotensin II type 2 receptor agonists (ATRAGs), today announced that Japan’s Ministry of Health, Labor and Welfare (MHLW) has granted Orphan Drug designation to buloxibutid for the treatment of idiopathic pulmonary fibrosis (IPF).
2025-09-23 Vicore Pharma AB Results Vicore Announces Presentations at the European Respiratory Society Congress 2025 vicorepharma.com ↗
Among patients with comparable baseline characteristics, buloxibutid showed statistically significant improvement in forced vital capacity (FVC) at 36 weeks relative to both baseline and synthetic control, confirming the disease-modifying signal observed in the AIR trial.
2025-05-22 Vicore Pharma AB Results Vicore Presents New Data at the 2025 American Thoracic Society International Conference vicorepharma.com ↗
A key finding in the Phase 2a AIR trial was that a substantial proportion of participants demonstrated improvement in lung function.
2025-01-29 Vicore Pharma AB Regulatory The FDA Grants Vicore’s Buloxibutid Fast Track Designation for Idiopathic Pulmonary Fibrosis vicorepharma.com ↗
the United States Food and Drug Administration (FDA) has granted Fast Track designation to its lead candidate buloxibutid
2024-05-20 Vicore Pharma AB Results Vicore Announces Positive Final Results from the Phase 2a AIR Trial Demonstrating Buloxibutid Improves Lung Function Over 36 Weeks in Patients with Idiopathic Pulmonary Fibrosis vicorepharma.com ↗
Vicore Pharma Holding AB (STO: VICO), a clinical-stage biopharmaceutical company unlocking the potential of a novel class of drug candidates, angiotensin II type 2 receptor agonists (ATRAGs), announced positive final results from its Phase 2a AIR trial evaluating buloxibutid (C21) in idiopathic pulmonary fibrosis (IPF).
2018-03-21 Vicore Pharma AB Results Frontiers in Physiology publish data with C21 on pulmonary fibrosis vicorepharma.com ↗
In both cases, treatment with C21 almost completely prevented the further development of fibrosis.
2018-01-26 Vicore Pharma AB Results Highlights from new publications on C21 and the AT2 receptor vicorepharma.com ↗
Two recent published articles summarize inhibited fibrotic activity in Dupuytren disease and beneficial effect of AT2 receptor stimulation on glucose/insulin metabolism.
2017-05-03 Vicore Pharma AB Results New positive study results on diabetic nephropathy with Vicore Pharma’s candidate drug C21 vicorepharma.com ↗
The results from the recent study show that the combination of C21 and an ARB can offer further kidney protection to this vulnerable group of patients

All press releases naming this drug 13 releases

DateIssuerRelease

Evidence & citations 7 cited values

Every value below carries the sentence it was read from. 7 sources stand behind the page.

FieldValueCited text
Known as Buloxibutid “Buloxibutid (also known as C21) is a potent and selective angiotensin II type 2 receptor (AT2R) agonist, in development for oral treatment of fibrotic lung disease.” PMID 38344891 ↗ Feb 2024
1

NCT06588686 ↗

Known as C21 “Buloxibutid (also known as C21) is a potent and selective angiotensin II type 2 receptor (AT2R) agonist, in development for oral treatment of fibrotic lung disease.” PMID 38344891 ↗ Feb 2024
Known as Compound 21 ClinicalTrials.gov intervention name — accepted as the source's own label NCT05937841 ↗
2

NCT05576155 ↗

NCT06157580 ↗

Known as T2 agonist compound 21 ChEMBL registry synonym — accepted as the source's own label CHEMBL189568 ↗
Action Activate “Buloxibutid (also known as C21) is a potent and selective angiotensin II type 2 receptor (AT2R) agonist” PMID 38344891 ↗ Feb 2024
Modality Small molecule — CHEMBL189568 ↗
Route Other “through local intra-arterial infusions for 5 min/dose” NCT05277922 ↗