What is Bw-A938U used for?

Bw-A938U is indicated for General anesthesia, Muscle relaxation, function, Skeletal Muscle Relaxation for Endotracheal Intubation.

What development phase is Bw-A938U in?

Bw-A938U is FDA-approved (marketed).

What is the generic name of Bw-A938U?

DOXACURIUM is the generic (nonproprietary) name of Bw-A938U.

Last reviewed 2026-04-20 · How we verify

Bw-A938U (DOXACURIUM)

FDA-approved approved Small molecule Quality 40/100

Doxacurium, also known as Bw-A938U, is a small molecule neuromuscular blocking agent that targets the acetylcholine receptor. It is used for general anesthesia, muscle relaxation, and endotracheal intubation. Originally developed by, doxacurium is now off-patent and has no active Orange Book patents. It was FDA approved in 1991 for its approved indications. As an off-patent medication, it is not commercially available as a generic.

At a glance

Generic name	DOXACURIUM
Drug class	doxacurium
Target	Acetylcholine receptor
Modality	Small molecule
Therapeutic area	Neuroscience
Phase	FDA-approved
First approval	1991

Approved indications

General anesthesia
Muscle relaxation, function
Skeletal Muscle Relaxation for Endotracheal Intubation

Common side effects

No common side effects on file.

Drug interactions

gentamicin
kanamycin
neomycin
netilmicin
streptomycin
tobramycin

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

Source	Used for
FDA label	Mechanism, indications, dosing, boxed warnings, drug interactions

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