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Use during pregnancy can result in harm to the baby. [8] Irinotecan is a topoisomerase inhibitor [9] —it blocks the topoisomerase I enzyme, resulting in DNA damage and cell death. [8] Irinotecan was approved for medical use in the United States in 1996. [8] It is on the World Health Organization's List of Essential Medicines. [10]
It is the active metabolite of irinotecan (an analog of camptothecin - a topoisomerase I inhibitor) but has 1000 times more activity than irinotecan itself. In vitro cytotoxicity assays show that the potency of SN-38 relative to irinotecan varies from 2- to 2000-fold.
Synthetic lethality with the topoisomerase inhibitor irinotecan appears to occur when given to cancer patients with deficient expression of the DNA repair gene WRN. [ citation needed ] The analysis of 630 human primary tumors in 11 tissues shows that hypermethylation of the WRN CpG island promoter (with loss of expression of WRN protein) is a ...
Topotecan, sold under the brand name Hycamtin among others, is a chemotherapeutic agent medication that is a topoisomerase inhibitor.It is a synthetic, water-soluble analog of the natural chemical compound camptothecin.
Doctors and pregnant women should have a discussion of risks and benefits when considering an induction of labor in the absence of an accepted medical indication. [14] There is insufficient evidence to determine if inducing a woman's labor at home is a safe and effective approach for both the women and the baby.
Oxaliplatin by itself has modest activity against advanced colorectal cancer. [16] When compared with just 5-fluorouracil and folinic acid administered according to the de Gramont regimen, a FOLFOX4 regime produced no significant increase in overall survival, but did produce an improvement in progression-free survival, the primary end-point of the phase III randomized trial.
Eclampsia is the onset of seizures (convulsions) in a woman with pre-eclampsia. [1] Pre-eclampsia is a hypertensive disorder of pregnancy that presents with three main features: new onset of high blood pressure, large amounts of protein in the urine or other organ dysfunction, and edema.
Pre-eclampsia is a multi-system disorder specific to pregnancy, characterized by the new onset of high blood pressure and often a significant amount of protein in the urine or by the new onset of high blood pressure along with significant end-organ damage, with or without the proteinuria.