Samiksha Jaiswal (Editor)

Carmustine

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Covid-19
Related ureas  Dimethylurea
Appearance  Orange crystals
CAS ID  154-93-8
Carmustine Carmustine Wikipedia
Related compounds  Noxytiolin 1,1,3,3-Tetramethylguanidine Metformin Allantoic acid Buformin

Carmustine (bis-chloroethylnitrosourea, BCNU, BiCNU) is a medication used mainly for chemotherapy and sometimes for immunosuppression before organ transplantation. It is a nitrogen mustard β-chloro-nitrosourea compound used as an alkylating agent. As a dialkylating agent, BCNU is able to form interstrand crosslinks in DNA, which prevents DNA replication and DNA transcription.

Contents

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It has the appearance of an orange-yellow solid.

Carmustine for injection was earlier marketed under the name BiCNU by Bristol-Myers Squibb and now by Emcure Pharmaceuticals. In India it is sold under various brand names, including Consium.

Carmustine carmustine intravenous Uses Side Effects Interactions Pictures

Uses

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It is used in the treatment of several types of brain cancer (including glioma, glioblastoma multiforme, medulloblastoma and astrocytoma), multiple myeloma and lymphoma (Hodgkin's and non-Hodgkin). BCNU is sometimes used in conjunction with alkyl guanine transferase (AGT) inhibitors, such as O6-benzylguanine. The AGT-inhibitors increase the efficacy of BCNU by inhibiting the direct reversal pathway of DNA repair, which will prevent formation of the interstrand crosslink between the N1 of guanine and the N3 of cytosine.

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It is also used as part of a chemotherapeutic protocol in preparation for hematological stem cell transplantation, a type of bone marrow transplant, in order to reduce the white blood cell count in the recipient (patient). Use under this protocol, usually with Fludarabine and Melphalan, was coined by oncologists at the University of Texas MD Anderson Cancer Center.

Implants

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In the treatment of brain tumours, the U.S. Food and Drug Administration (FDA) approved biodegradable discs infused with carmustine (Gliadel). They are implanted under the skull during a surgery called a craniotomy. The disc allows for controlled release of carmustine in the extracellular fluid of the brain, thus eliminating the need for the encapsulated drug to cross the blood-brain barrier.

References

Carmustine Wikipedia


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