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Cancer is the uncontrolled growth of abnormal cells anywhere in a body. The abnormal cells are termed cancer cells, malignant cells, or tumor cells. Many cancers and the abnormal cells that compose the cancer tissue are further identified by the name of the tissue that the abnormal cells originated from (for example, breast cancer, lung cancer, colon cancer). Cancer is not confined to humans; animals and other living organisms can get cancer. Below is a schematic that shows normal cell division and how when a cell is damaged or altered without repair to its system, the cell usually dies. Also shown is what can occur when such damaged or unrepaired cells do not die and become cancer cells and proliferate with uncontrolled growth; a mass of cancer cells develop. Frequently, cancer cells can break away from this original mass of cells, travel through the blood and lymph systems, and lodge in other organs where they can again repeat the ...
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HYCAMTIN®
(topotecan)
WARNING
BONE MARROW SUPPRESSION
HYCAMTIN should be administered only to patients with baseline neutrophil counts of ≥ 1,500 cells/mm³ and a platelet count ≥ 100,000 cells/mm³. In order to assess the occurrence of bone marrow suppression, blood cell counts should be monitored.
Topotecan hydrochloride is a semi-synthetic derivative of camptothecin and is an anti-tumor drug with topoisomerase I-inhibitory activity.
The chemical name for topotecan hydrochloride is (S)-10-[(dimethylamino)methyl]-4- ethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7] indolizino [1,2-b]quinoline-3,14-(4H,12H)-dione monohydrochloride. It has the molecular formula C23H23N3O5•HCl and a molecular weight of 457.9. It is soluble in water and melts with decomposition at 213° to 218°C.
Topotecan hydrochloride has the following structural formula:
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HYCAMTIN capsules contain topotecan hydrochloride, the content of which is expressed as topotecan free base. The major excipients are hydrogenated vegetable oil, glyceryl monostearate, gelatin, and titanium dioxide. The capsules are imprinted with edible black ink. The 1 mg capsules also contain red iron oxide.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
Read All Potential Side Effects and See Pictures of Hycamtin »
Before using topotecan, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: a certain immune system problem (neutropenia).
Before using this medication, tell your doctor or pharmacist your medical history, especially of: blood/bone marrow disorders (e.g., low platelet/white blood cell/red blood cell levels), kidney disease, liver disease.
This drug may make you weak or tired. Do not drive, use machinery, or do any activity that requires...
Last reviewed on RxList: 10/28/2011
This monograph has been modified to include the generic and brand name in many instances.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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