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Part 1: Intro and Alkylating Agents
N/A
45
Pharmacology
Graduate
01/05/2011

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Cards

Term
Who published the first edition of the Pharmacological Basis of Therapeutics in 1940?
Definition
Louis Goodman and Alfred Gilman
Term
When cancer cells fail to respond to molecular signals (either from within or without) that control the rate of cell growth.
Therefore due to genetic mutations, the cell undergoes uncontrolled growth.
Definition
Autonomous
Term
Many types of mutations in a cell will cause the cell to undergo programmed cell death know as ____________
Definition
Apoptosis
Term
Cancer cells learn how to evade the normal cell's mechanisms of apoptosis and therefore become ________
Definition
Immortalized
Term
As cancer cells grow they continue to ____________
Definition
Proliferate without limit
Term
Cancer cells have the capacity to cause formation of new blood vessels. What is this process called?
Definition
Angiogenesis
Term
Cancer cells have the ability to avoid detection by the ____________
Definition
Body's immune system
Term
The most feared characteristics of cancer cells is their ability to break loose from their site of origin and become implanted in other tissues.
Definition
Metastasize
Term
What is the major target for alkylating agents?
Definition
DNA
Term
What was the first chemical agent used to treat cancer. (hint: used in combat during WWI)
Definition
Mustard gas
Term
In WW2, a US ship carrying over 2000 mustard gas bombs exploded in a harbour in what location?
Definition
Bari, Italy
Term
What is the name and year of the first drug used for chemotherapy of cancer?
Definition
Mechlorethamine (Mustargen)
Term
What does mustard gas look like?
Definition
Two chloroethyl groups each attached to a central sulfur atom
Term
_____________ acts as an alkylating agent through the intermediacy of the highly reactive three-membered aziridinium ion
Definition
Mechlorethamine
Term
Most alkylating agents are chemically reactive and do not tend to target any one phase of the cell cycle; therefore often described as ____________
Definition
Cell cycle non-specific drugs
Term
Because they react with and damage DNA, nitrogen mustards are ______________
Definition
Cytotoxic agents
Term
Mechlorethamine is very reactive and toxic. This drug must be administered carefully because it can cause _____________
Definition
Extravasation
Term
______________ is the recommended antidote for treating mechlorethamine extravasation
Definition
Sodium thiosulfate
Term
The addition of a benzene ring acts as an ___________________ to reduce the nucleophilicty of the nitrogen atom
Definition
Electron sink
Term
What are the names of the less reactive mustards that can be used orally?
Definition
Chlorambucil and Melphalan (phenylalanine mustard)
Term
What is the most useful mustard?
Definition
Cyclophosphamide
Term
The six-membered ring of cyclophosphamide is oxidized by __________________
Definition
Cytochrome P450
Term
________ is a metabolite from cyclophosphamide and is responsible for potentially fatal adverse reaction known as _____________
Definition
Acrolein

Hemorrhagic cystitis
Term
What is the name of cyclophosphamide's isomer?
Definition
Ifosfamide (Ifex)
Term
Hemorrhagic cystitis can be treated or prevented by adequate hydration of the patient and by administration of ________________ or _________________
Definition
Mesna (sodium 2-mercaptoethane sulfonate)

N-acetylcysteine
Term
What are the two members of the "nitrosourea" class?
Definition
Carmustine (BCNU, Gliadel)
Lomustine (CCNU)
Term
Because the nitrosourea compounds are highly _________________ they are able to easily cross the ____________ and are important agents for the treatment of _______ tumors
Definition
Lipophilic
Blood brain barrier
Brain
Term
Which drug is an impregnated biodegradable wafer for direct application to residual tumor tissue following surgery to remove a brain tumor?
Definition
Gliadel
Term
Which drug is closely related to carmustine and lomustine and is a naturally occuring antibiotic indicated for the treatment of islet cell carcinoma (insulinoma)?
Definition
Streptozocin (Zanosar)
Term
The nitrosoureas undergo spontaneous degradation, and cause interstrand and/or intrastrand _______________
Definition
DNA crosslinks
Term
Which DNA repair enzyme can remove the adduct formed from nitrosoureas before DNA replication occurs?
Definition
Guanine O6-alkyl transferase
Term
The triazenes are characterized by having 3 contiguous nitrogen atoms; which two drugs belong in this group?
Definition
Dacarbazine
Temozolomide
Term
Dacarbazine MOA is to act by conversion to ____________ with release of the powerful methylating agent ________________
Definition
AIC (purine precursor)
Diazomethane (CH2N2)
Term
What drug is rapidly absorbed when given orally and readily crosses the blood brain barrier and is the standard drug in the treatment of gliomas in combination with radiation.
Definition
Temozolomide
Term
The discovery of anticancer activity of platinum coordination complexes is attributed to what university?
Definition
MSU
Term
What is the first platinum coordination complex anticancer drug?
Definition
Cisplatin
Term
What is the process called where chlorine atoms of cisplatin are displaced by water?
Definition
Aquation
Term
Reaction of cisplatin with DNA produces both _____ and ______ strand crosslinks
Definition
Inter
Intra
Term
This platinum anticancer drug is only approved in advanced ovarian cancer
Definition
Carboplatin
Term
Cisplatin causes severe __________; which can be diminished by ____________ pretreatment.
Definition
Renal damage
Hydration
Term
This drug is used in combo with fluorouracil and leucovorin for the treatment of colorectal cancer.
Definition
Oxaliplatin
Term
Which drug produces unique cold induced neuropathies?
Definition
Oxaliplatin
Term
This drug is a cytoprotective drug that is used to reduce renal toxicity associated with cisplatin use.
Definition
Amifostine
Term
This drug was first discovered as an antibiotic and contains an aziridine ring and a quinone group
Definition
Mitomycin C
Term
This drug was a hydrazine derivative that was first used as a monoamine oxidase inhibitor
Definition
Procarbazine
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