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A specific thickness of bolus can be applied to the skin to alter the dose received at depth in the tissue and on the skin surface. A typical example of this is the application of a defined thickness of bolus to a chest wall for post-mastectomy chest wall treatment, to increase the skin dose.
In veterinary medicine a bolus is a large time-release tablet that stays in the rumen of cattle, goats, and sheep. It can also refer to a dose of liquid injected subcutaneously with a hypodermic needle, such as saline solution administered either to counteract dehydration or especially to mitigate kidney failure, a common ailment in domestic cats.
In pharmacokinetics, a loading dose is an initial higher dose of a drug that may be given at the beginning of a course of treatment before dropping down to a lower maintenance dose. [ 1 ] A loading dose is most useful for drugs that are eliminated from the body relatively slowly, i.e. have a long systemic half-life .
In conventional chemotherapy, a dose close to the maximum tolerated dose is administered in a bolus manner to achieve cytotoxic effects on tumor cells. [5] However, the side effects are often significant as the cytotoxic agents also kill the fast-dividing cells normally present in the body, such as bone marrow cells and epithelial cells of the gastrointestinal tract. [6]
IFL is a chemotherapy regimen for treatment of certain cancers, consisting of concurrent treatment with irinotecan, leucovorin (folinic acid), and fluorouracil. [1]It is similar to the FOLFIRI regimen and uses the same drugs.
Bolus (medicine), the administration of a drug, medication or other substance in the form of a single, large dose Bolus (radiation therapy) , a tissue equivalent substance used in radiation therapy Bolus tracking , technique used in computed tomography imaging, to visualise vessels more clearly
The dose schedule given every two weeks is as follows: [5] Day 1–2: Oxaliplatin 100 mg/m 2 IV infusion, given as a 120 minutes IV infusion in 500 mL D5W, concurrent with leucovorin 400 mg/m 2 (or levoleucovorin 200 mg/m 2) IV infusion, followed by 5-FU 400 mg/m 2 IV bolus, followed by 46-hour 5-FU infusion (2400 mg/m 2 for first two cycles, and may be increased to 3000 mg/m 2 if tolerated by ...
"7+3" in the context of chemotherapy is an acronym for a chemotherapy regimen that is most often used today (as of 2014) as first-line induction therapy (to induce remission) in acute myelogenous leukemia, [1] [2] excluding the acute promyelocytic leukemia form, which is better treated with ATRA and/or arsenic trioxide and requires less chemotherapy (if requires it at all, which is not always ...