Last reviewed · How we verify

Bus and Dex

The Cleveland Clinic · FDA-approved active Small molecule

Bus and Dex is a combination of busulfan and dexamethasone used to condition patients prior to hematopoietic stem cell transplantation.

Bus and Dex is a combination of busulfan and dexamethasone used to condition patients prior to hematopoietic stem cell transplantation. Used for Conditioning regimen for hematopoietic stem cell transplantation in hematologic malignancies and bone marrow disorders.

At a glance

Generic nameBus and Dex
SponsorThe Cleveland Clinic
Drug classAlkylating agent + corticosteroid combination
ModalitySmall molecule
Therapeutic areaOncology / Hematology
PhaseFDA-approved

Mechanism of action

Busulfan is an alkylating agent that causes myeloablation by cross-linking DNA, while dexamethasone is a corticosteroid that provides immunosuppression and reduces inflammation. Together, they prepare the bone marrow for donor stem cell engraftment by eliminating host hematopoietic and immune cells.

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: