Drug

Osoresnontrine

As of the edition of 20 October 2026, Osoresnontrine is a small molecule: stopped in 2021; acts on PDE9A.

Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.

The drug

Status
Stopped, 2021
Kind
Small molecule
Registered trials
22, 2 stopped early
Disease areas
Mental health; Nervous system

US protection

No US approval on record.

With no US approval on record there are no listed US patents or exclusivities.

This is the US only.

Companies that need a new molecule because of this drug

1 company on route A because of this drug.

Companies on route A for this drug

In the product

1 company is on route A because of Osoresnontrine.

Target

GeneProteinUniProt
PDE9AHigh affinity cGMP-specific 3',5'-cyclic phosphodiesterase 9AO76083

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 1171700
Phase 25302
All trials22

Who ran its trials

CompanyRoleYears
Boehringer IngelheimLead sponsor of trials2011 to now