Target

IMPA1

Inositol monophosphatase 1

As of the edition of 20 October 2026, IMPA1 (inositol monophosphatase 1, UniProt P29218) has 2 drugs tested at it and 9 companies on the list, 0 on route A and 1 on route B.

Sources: UniProt, ClinicalTrials.gov, ChEMBL, FDA Orange Book and Purple Book, Pharos.

The protein

UniProt
P29218
How well studied
Drug target: an approved drug acts on it
Where it sits in the cell
Inside the cell
Solved structures
13
Disease areas
Nervous system; Mental health; Cancer; Inherited and neonatal; Injuries; Blood and lymph; Nutrition and metabolism; Chemically induced
Registered trials of its drugs
65

Drugs at this target

StatusCount
Marketed2
Total2
DrugStatusFurthest phaseUS protection
Lithium carbonateMarketedPhase 4none listed
Lithium citrate anhydrousMarketedNo phase statednone listed

2 of 2 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route B1
Engaged8
Total on the list9
Three companies on route A or B, with the route only
CompanyRoute
PfizerRoute B

The other 8 companies at IMPA1

In the product

9 companies in all; 8 are not named here, and no score is.

See the 9 companies at IMPA1, ranked, with the facts behind eachRequest access. Nothing is shown until you do.