Search results
Results from the WOW.Com Content Network
Genotoxicity is the property of chemical agents that damage the genetic information within a cell causing mutations, which may lead to cancer. While genotoxicity is often confused with mutagenicity, all mutagens are genotoxic, but some genotoxic substances are not mutagenic. The alteration can have direct or indirect effects on the DNA: the ...
Lomustine is also a lipid soluble, which allows it to permeate the blood brain barrier well. This quality made it a reasonable candidate for the chemotherapy of intrinsic brain tumors. Lomustine is administered orally in six-to-eight-week intervals and with nadirs at five weeks after administration due to its delayed myelosuppressive properties ...
It may also refer to the administration of heparin to prevent deep venous thrombosis in hospitalized patients. In some cases, chemoprophylaxis is initiated to prevent the spread of an existing infection in an individual to a new organ system, as when intrathecal chemotherapy is administered in patients with malignancy to prevent further infection.
As of 2007, ABVD is widely used as the initial chemotherapy treatment for newly diagnosed Hodgkin lymphoma. [citation needed] It has been the most effective and least toxic chemotherapy regimen available for treating early-stage Hodgkin Lymphoma. [1]
Before their use in chemotherapy, alkylating agents were better known for their use as sulfur mustard, ("mustard gas") and related chemical weapons in World War I. The nitrogen mustards were the first alkylating agents used medically, as well as the first modern cancer chemotherapies. Goodman, Gilman, and others began studying nitrogen mustards ...
In the Nigro protocol, the patient receives 30 Gy (3000 rads) of radiation over a three-week period, as well as continuous administration of fluorouracil for the first four days and on days 20–31, with bolus mitomycin on day 1. [3] It is named after Norman Nigro (1912–2009), [4] who developed it in the mid-1970s. [5]
Chemotherapy-induced nausea and vomiting may require antiemetics (such as ondansetron), and hemorrhagic cystitis is prevented with administration of mesna. Alopecia (hair loss) is common. [5] Neutropenia generally develops in the second week. During this period, many clinicians recommend pegfilgrastim or prophylactic use of ciprofloxacin.
Secondly, focused administration of chemotherapy allows for delivery of a higher dose to the tissue while simultaneously reducing systemic exposure, which is typically the dose-limiting factor. This effect is potentiated by the fact that the chemotherapeutic drug is not washed out from the tumor vascular bed by blood flow after embolization.