What is Caerulein used for?

Caerulein is indicated for Diagnostic aid.

What development phase is Caerulein in?

Caerulein is FDA-approved (marketed).

What is the generic name of Caerulein?

CERULETIDE is the generic (nonproprietary) name of Caerulein.

Last reviewed 2026-04-20 · How we verify

Caerulein (CERULETIDE)

FDA-approved approved Recombinant protein Quality 17/100

Ceruletide is a marketed diagnostic aid that stimulates digestive processes by mimicking the natural hormone cholecystokinin through binding to the cholecystokinin receptor type A. Its key competitive advantage lies in its specific mechanism of action and the protection of its key composition patent until 2028. The primary risk is the presence of off-patent competitors such as magnesium sulfate, which may limit market exclusivity and pricing power.

At a glance

Generic name	CERULETIDE
Drug class	ceruletide
Target	Cholecystokinin receptor type A
Modality	Recombinant protein
Therapeutic area	Gastroenterology
Phase	FDA-approved
First approval	1982

Approved indications

Diagnostic aid

Common side effects

No common side effects on file.

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