Last reviewed · How we verify

Sirolimus Tab.

Chong Kun Dang Pharmaceutical · FDA-approved active Small molecule

Sirolimus inhibits mTOR (mammalian target of rapamycin), a key signaling protein that controls cell growth and proliferation.

Sirolimus inhibits mTOR (mammalian target of rapamycin), a key signaling protein that controls cell growth and proliferation. Used for Prophylaxis of organ rejection in patients receiving renal transplants, Lymphangioleiomyomatosis (LAM), Tuberous sclerosis complex (TSC)-associated tumors.

At a glance

Generic nameSirolimus Tab.
Also known asRaparoBell® Tab.
SponsorChong Kun Dang Pharmaceutical
Drug classmTOR inhibitor
TargetmTOR (mammalian target of rapamycin)
ModalitySmall molecule
Therapeutic areaImmunology, Oncology
PhaseFDA-approved

Mechanism of action

Sirolimus binds to FKBP12 and forms a complex that inhibits mTOR kinase activity, thereby suppressing T-cell proliferation and reducing immune activation. This mechanism makes it useful as an immunosuppressant to prevent organ rejection and as an antiproliferative agent in certain cancers and vascular diseases.

Approved indications

Common side effects

Key clinical trials

Primary sources

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

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape: