Drug Profile

PRO 301

Alternative Names: PRO-301

Latest Information Update: 28 Nov 2025

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At a glance

Originator Proterris
Class Anti-inflammatories; Antifibrotics; Cytoprotectives; Inorganic carbon compounds
Mechanism of Action Immunomodulators

Orphan Drug Status

Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

Yes - Delayed graft function
New Molecular Entity No

14 Oct 2025 Phase-II clinical trials in Delayed graft function (Prevention) in United Kingdom (Inhalation), prior to October 2025 (Proterris pipeline, October 2025)
14 Oct 2025 Regulatory body approves CTA application for PRO 301 in Delayed graft function (Proterris pipeline, October 2025)
08 Jan 2018 PRO 301 receives Orphan Drug status for Delayed graft function in USA

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