Drug

Nitroprusside

As of the edition of 20 October 2026, Nitroprusside is a small molecule: marketed, first approved in 1982 (US); acts on GUCY1B1 and GUCY1B2; no US protection is listed.

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

The drug

Status
Marketed; latest approval 2021
Kind
Small molecule
Brand name
Nipride
First approved
1 January 1982 (US)
Approvals on record
8 in 2 regions
Holder of the most recent approval
MARUISHI PHARMACEUTICAL Co., Ltd; 6 holders in all
Registered trials
43, 9 stopped early
Disease areas
Heart and blood vessels; Nervous system; Mental health; Cancer; Nutrition and metabolism; Blood and lymph

US protection

No US protection is listed.

The FDA registers list no drug-substance patent or exclusivity that counts for this drug.

This is the US only.

Companies that need a new molecule because of this drug

2 company-target rows on route B because of this drug.

Companies on route B for this drug

In the product

2 company-target rows are on route B because of Nitroprusside.

Targets

GeneProteinUniProt
GUCY1B2Putative guanylate cyclase soluble subunit beta-2O75343
GUCY1B1Guanylate cyclase soluble subunit beta-1Q02153

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated171130
Phase 112622
Phase 210514
Phase 44003
All trials43

Who has held its approvals

CompanyRoleYears
Baxter HealthcareAcquired holder2004 to now
AbbVieAcquired holder2012 to now
Exela Pharma SciencesLater holder2017 to now
AbbottLater holder
RocheApplicant