Cancer and Chemotherapy Flashcards
Cyclophosphamide - Drug Class
Alkylating agent
Cyclophosphamide - Mechanism of Action
DNA cross-linking/alkylation
Cyclophosphamide - Drug Targets
DNA
Cyclophosphamide - Expected Time for Effect
Varies depending on the condition being treated
Cyclophosphamide - Pharmacodynamics
Interferes with DNA replication and RNA transcription
Cyclophosphamide - Pharmacokinetics - Absorption
> 75% (by mouth)
Cyclophosphamide - Pharmacokinetics - Distribution
Protein binding >60%
Cyclophosphamide - Pharmacokinetics - Metabolism
Liver
Cyclophosphamide - Pharmacokinetics - Excretion
Kidney
Cyclophosphamide - Pharmacokinetics - Half-life
3–12 hours
Cyclophosphamide - Dosage Ranges
Varies based on the condition and patient
Cyclophosphamide - Key Facts
Can cause sterility, birth defects, mutations, and cancer.
Chlorambucil - Drug Class
Alkylating agent
Chlorambucil - Mechanism of Action
DNA cross-linking/alkylation
Chlorambucil - Drug Targets
DNA
Chlorambucil - Expected Time for Effect
Varies depending on the condition being treated
Chlorambucil - Pharmacodynamics
Interferes with DNA replication and RNA transcription
Chlorambucil - Pharmacokinetics - Absorption
Rapid and complete (>70%) from GI tract; reduced with food
Chlorambucil - Pharmacokinetics - Distribution
Vd: ~0.31 L/kg
Chlorambucil - Pharmacokinetics - Metabolism
Hepatic (extensively); primarily to active metabolite, phenylacetic acid mustard
Chlorambucil - Pharmacokinetics - Excretion
Urine (~20% to 60% within 24 hours, primarily as inactive metabolites, <1% as unchanged drug or phenylacetic acid mustard)
Chlorambucil - Pharmacokinetics - Half-life
Chlorambucil: ~1.5 hours; Phenylacetic acid mustard: 1.8 ± 0.4 hours
Chlorambucil - Dosage Ranges
Varies based on the condition and patient
Chlorambucil - Key Facts
Can cause bone marrow suppression, is a known carcinogen, mutagenic, and teratogenic.
Nitrosoureas - Drug Class
Alkylating agents
Nitrosoureas - Mechanism of Action
Alkylation and carbamoylation of DNA
Nitrosoureas - Drug Targets
DNA
Nitrosoureas - Expected Time for Effect
Varies depending on the condition being treated
Nitrosoureas - Pharmacodynamics
Crosses the blood-brain barrier and binds irreversibly to cellular macromolecules
Nitrosoureas - Pharmacokinetics - Absorption
Varies
Nitrosoureas - Pharmacokinetics - Distribution
Crosses the blood-brain barrier
Nitrosoureas - Pharmacokinetics - Metabolism
Varies
Nitrosoureas - Pharmacokinetics - Excretion
Varies
Nitrosoureas - Pharmacokinetics - Half-life
Varies
Nitrosoureas - Dosage Ranges
Varies based on the condition and patient
Nitrosoureas - Key Facts
Used against a variety of human solid tumors, can cause severe bone marrow toxicity.
Cisplatin - Drug Class
Platinum-based chemotherapy
Cisplatin - Mechanism of Action
DNA cross-linking
Cisplatin - Drug Targets
DNA
Cisplatin - Expected Time for Effect
Varies depending on the condition being treated
Cisplatin - Pharmacodynamics
Forms DNA adducts, leading to apoptosis
Cisplatin - Pharmacokinetics - Absorption
Intravenous administration
Cisplatin - Pharmacokinetics - Distribution
Widely distributed in tissues
Cisplatin - Pharmacokinetics - Metabolism
Non-enzymatic
Cisplatin - Pharmacokinetics - Excretion
Primarily renal
Cisplatin - Pharmacokinetics - Half-life
Biphasic, with a terminal half-life of 20-30 hours
Cisplatin - Dosage Ranges
Varies based on the condition and patient
Cisplatin - Key Facts
Can cause nephrotoxicity, ototoxicity, and neurotoxicity.