IRM + CHOP

IRM + CHOP is a combination chemotherapy regimen. "CHOP" is a well-established multi-agent chemotherapy protocol consisting of cyclophosphamide, doxorubicin (also known as hydroxydaunorubicin), vincristine (Oncovin), and prednisolone or prednisone. It is primarily used to treat non-Hodgkin lymphoma in both human and veterinary medicine[1][2][5]. The mechanism of action involves multiple pathways: - Cyclophosphamide acts as an alkylating agent, cross-linking DNA strands to prevent cell division. - Doxorubicin intercalates into DNA, disrupting replication and transcription. - Vincristine binds tubulin, inhibiting microtubule formation necessary for mitosis. - Prednisolone/prednisone are corticosteroids that induce apoptosis in certain cancer cells. The "IRM" component is not defined in the provided search results or standard oncology literature; it may refer to an investigational drug or local abbreviation not widely recognized. Therefore, only the CHOP components can be described with certainty.