ANTINEOPLASTICS Flashcards
1 gram of tumor is equivalent to
10^9 or 1 billion cells
A very common adverse reaction of alkylating agents used in the tx of cancer
Alopecia
ALKYLATING AGENTS: NITROGEN MUSTARDS
Alkylating agents replace H with an alkyl group, which causes ____.
DNA strand breakage
ALKYLATING AGENTS: NITROGEN MUSTARDS
Mainstay therapy for solid tumors followed by autologous bone marrow transplantation
Thiotepa
ALKYLATING AGENTS: NITROGEN MUSTARDS
Dialkylating agent drug of choice for Hodgkin’s disease
Mechlorethamine
ALKYLATING AGENTS: NITROGEN MUSTARDS
For germ cell testicular cancer
Ifosfamide
ALKYLATING AGENTS: NITROGEN MUSTARDS
Causes sulfur stripping
Busulfan
ALKYLATING AGENTS: NITROGEN MUSTARDS
Cell cycle non-specific phosphoramide mustard (major metabolite)
Cyclophosphamide
ALKYLATING AGENTS: NITROGEN MUSTARDS
For multiple myeloma
Melphalan
ALKYLATING AGENTS: NITROGEN MUSTARDS
1st line agent for chronic lymphocytic leukemia and macroglobulinemia
Chlorambucil
ALKYLATING AGENTS: ORGANOPLATINUM
MOA of organoplatinum
DNA strands cross-linking
ALKYLATING AGENTS: ORGANOPLATINUM
Most reactive and most effective in platinating DNA
Cisplatin
ALKYLATING AGENTS: ORGANOPLATINUM
Carboplatin is administered with ____ to reduce toxicity
1,1-cyclobutane-dicarboxylate
ALKYLATING AGENTS: ORGANOPLATINUM
____ is administered with 1,1-cyclobutane-dicarboxylate to reduce toxicity
Carboplatin
ALKYLATING AGENTS: ORGANOPLATINUM
Activated in low chloride environment, not recognized by MMR
Oxaliplatin
ALKYLATING AGENTS
Alkylates DNA with restricted uncoiling and replication of strands
Nitrosoureas
ALKYLATING AGENTS: NITROSOUREAS
1st line agent for metastatic brain tumor
Lomustine
ALKYLATING AGENTS: NITROSOUREAS
2nd line agent for Hodgkin’s disease
Lomustine
ALKYLATING AGENTS: NITROSOUREAS
For brain tumors and can penetrate BBB
Carmustine
ALKYLATING AGENTS: OTHERS
3 agents for Hodgkin’s lymphoma
- Mechlorethamine
- Lomustine
- Procarbazine
ALKYLATING AGENTS: OTHERS
2 agents that form DNA adducts
- Dacarbazine
- Temozolomide
ALKYLATING AGENTS: OTHERS
Involved in hydroxylation of methyl group
Altretamine
ALKYLATING AGENTS: OTHERS
2nd line agent for ovarian cancer
Altretamine
ALKYLATING AGENTS: OTHERS
Induces hyperglycemia on animal model
Streptozocin
ALKYLATING AGENTS: OTHERS
Source of streptozocin
Streptomyces achromogenes subsp. Strepzoticus
ALKYLATING AGENTS: OTHERS
Antineoplastic that is not considered an anti-metabolite
Etoposide
Compounds closely related in structure to a cellular precursor (N-base)
Anti-metabolites
ANTI-METABOLITES
MOA of anti-metabolites
Prevention of biosynthesis by enzyme inhibition
ANTI-METABOLITES
Designed to interact at cofactor sites for enzymes involve in the biosynthesis of nucleic acid bases
Folates (Anti-folates)
ANTI-METABOLITES: FOLATES
First drug to produce substantial remissions in leukemia
Methrotrexate
(MTX)
ANTI-METABOLITES: FOLATES
MOA of Methrotrexate (MTX)
- Dihydrofolate reductase binding (DHFR)
- Thymidylate synthase (TS) interference
ANTI-METABOLITES: FOLATES
A pyrrolopyrimidine analog
Pemetrexed
ANTI-METABOLITES: FOLATES
MOA of Pemetrexed
Thymidylate synthase (TS) inhibition
ANTI-METABOLITES: FOLATES
Structually similar to MTX and approved for the tx of pneumocystis carinii pneumonia (PCP) in HIV/AIDS patients
Trimetrexate
ANTI-METABOLITES: FOLATES
MOA of hydroxyurea
Ribonucleotide Reductase inhibition
ANTI-METABOLITES: PURINES
MOA of 6-mercaptopurine
De Novo Purine synthesis blocking
ANTI-METABOLITES: PURINES
Primary treatment for acute leukemia
6-mercaptopurine + 6-thioguanine
ANTI-METABOLITES: PURINES
For chronic lymphocytic leukemia and non-Hodgkin’s lymphoma
Fludarabine
ANTI-METABOLITES: PURINES
Deoxyadenosine analog for hairy cell leukemia
Cladribine
ANTI-METABOLITES: PURINES
MOA of Pentostatin
Adenosine deaminase inhibition -> increase dATP
ANTI-METABOLITES: PYRIMIDINES
Palliative tx of carcinoma of the breast, colon, pancreas, rectim, and stomach
5-Fluorouracil
(5-FU)
ANTI-METABOLITES: PYRIMIDINES
Fluoropyrimidine deoxynucleoside analog for GI adenocarcinoma metastatic to the liver
Floxuridine
(FUDR)
ANTI-METABOLITES: PYRIMIDINES
MOA of 5-FU and FUDR
Thymidylate synthase (TS) inhibition -> DNA synthesis inhibition
ANTI-METABOLITES: PYRIMIDINES
Fluoropyrimidine carbamate prodrug of 5-FU for metastatic breast and colorectal cancer
Capecitabine
ANTI-METABOLITES: PYRIMIDINES
Drug of choice for locally advanced or metastatic adenocarcinoma of the pancreas
Gemcitabine
(+) Cisplatin
ANTI-METABOLITES: PYRIMIDINES
Drug of choice for inoperable locally advanced or metastatic NSCLC
Gemcitabine
ANTI-METABOLITES: PYRIMIDINES
A potent radiosensitizer
Gemcitabine
ANTI-METABOLITES: PYRIMIDINES
Cytosine arabinoside tx for acute agranulocytic leukemia
Cytarabine
ANTIBIOTICS
Antibiotic that do not possess clinically useful anti-malignant property
Streptomycin
ACTINOMYCIN
Source of dactinomycin
Strep. parvilus
ACTINOMYCIN
Tx of rhabdomyosarcoma and Wilms’ tumor in children
Dactinomycin
ACTINOMYCIN
Lifesaving tx for women with choriocarcinoma resistant to MTX
Dactinomycin