Oncology Treatment Flashcards
Primary vs. Adjuvant vs. Neoadjuvant chemo
- Primary - used w/o surgery
- adjuvant - used after surgery
- neoadjuvant - used before surgery
Constitutional S/E of Chemotherapy
- weight loss
- fever
- chills
- anaphylactic reactions
Hematologic S/E of Chemotherapy
- pancytopenia
2. associated infections
HEENT S/E of Chemotherapy
- headaches
- mucositis
- thrush
Skin S/E of Chemotherapy
- rash
- hyperpigmentation
- desquamation
- edema
Cardiac S/E of Chemotherapy
- CHF
2. arrhythmias
Pulmonary S/E of Chemotherapy
- pneumonitis
2. pleural effusion
GI S/E of Chemotherapy
- N/V
- diarrhea
- constipation
- bowel obstruction
- mucositis
renal S/E of Chemotherapy
- acute kidney injury
2. chronic kidney disease
Urinary S/E of Chemotherapy
- hemorrhagic cystitis
- urine discoloration
- painful urination
reproductive S/E of Chemotherapy
- infertility
2. premature ovarian failure
Musculoskeletal S/E of Chemotherapy
- weakness
- motor neuropathy
- fractures
Neurological S/E of Chemotherapy
- neuropathy
- confusion
- seizures
Psychiatric S/E of Chemotherapy
- depression
- anxiety
- anticipatory nausea
Alkalating Agents examples
- cyclophosphamide
2. bendamustine
Alkalating Agents MOA
interfere with DNA replication to prevent cells from reproducing
Alkalating Agents are derived from what
nitrogen mustards
Alkalating Agents indications
- solid (lung, breast, ovary)
2. hematologic (leukemia, lymphoma, multiple myeloma)
Alkalating Agents S/E
- hemorrhagic cystitis
- pancytopenia
- secondary malignancy (leukemia MC)
- alopecia
- N/V
- kidney injury
Alkalating Agents metabolism
liver
Do Alkalating Agents cross the blood brain barrier
only bendamustine
Alkalating Agents long term effects
- secondary malignancy
- leukemia
- ovarian failure
Antimetabolites examples
- methotrexate
- fluorouracil
- mercaptopurine
Antimetabolites MOA
interferes w/ RNA/DNA replication by limiting metabolites necessary for cell division (ie. folic acid)
Antimetabolites indications
- solid (sarcoma, breast, ovary, GI)
2. hematologic (CNS leukemia/lymphoma IT)
Antimetabolites SE
- alopecia
- GI stomatitis
- liver dysfunction
- renal failure
Antimetabolites metabolism
kidney and liver
do Antimetabolites cross the blood brain barrier?
yes, high dose methotrexate (used as monotherapy for CNS lymphoma)
Antimetabolites long term effects
- infertility
- cirrhosis
- kidney disease
Other uses for methotrexate
- psoriasis
- lupus
- RA
methotrexate in pregnancy?
teratogenic, causes demise of fetus
methotrexate route of chemo administration
intrathecal (given in CSF fluid to prevent cells from spreading across blood brain barrier)
Anthracycline example
doxorubicin
doxorubicin MOA
interfere w/ DNA by stopping cell division by interfering with coiling of double helix structure
kills cancer and healthy cells
doxorubicin indications
- leukemia
- lymphoma
- solid tumors (breast, lung, stomach, thyroid, sarcoma)
- -> very common in breast cancer
doxorubicin SE
- cardiotoxicity (acute rhythm abnormalities, CHF and delayed CHF) –> constrictive cardiomyopathy!!
- myelosuppression
- nausea
- alopecia
- mucositis
- tissue necrosis if infiltrated
doxorubicin metabolism
GI and renal
does doxorubicin cross the blood brain barrier?
no
long term monitoring for doxorubicin
echo
special consideration for doxorubicin
need echo prior to every other dose of chemo
Bleomycin MOA
damages DNA (G2 phase cell cycle)
Bleomycin indications
- Hodgkin’s lymphoma
2. solid tumors (head/neck, cervis, testis, bladder)
what kind of cell is pathonomonic for Hodgkin’s lymphoma?
Reed-Sternberg cell
Bleomycin SE
- pneumonitis
- cutaneous peeling, erythema, hyperpigmentation usually on pales/soles
- N/V
- hypersensitivity (give test dose)
Bleomycin metabolism
through tissues
does Bleomycin cross the BBB?
no
Bleomycin special consideration
PFTs prior to initiation and throughout treatment, pulmonary fibrosis may be fatal
Vinca Alkaloids indications
- leukemia
- lymphoma
- testicular cancer
Vinca Alkaloids examples
- vincristine
2. vinblastine
Vinca Alkaloids MOA
interferes with formation of microtubules necessary for mitosis “M phase”
caution for Vinca Alkaloids
fatal if given intrathecally
Vinca Alkaloids SE
- severe neuropathy (most significant, usually stocking-glove, usually reversible but can be permanent)
- constipation
- myelosuppression
- alopecia
- N/V
Taxanes examples
- paclitaxel
2. docetaxel
Taxanes MOA
stop microtubules from breaking down, cell becomes overcrowded and cannot divide (M phase)
Taxanes indications
- breast
- lung
- prostate
- ovarian
- Kaposi’s sarcoma (AIDs)
Taxanes SE
- neurotoxicity - confusion, headache, seizure
- peripheral neuropathy
- fluid retention
- hypersensitivity reaction
Taxanes metabolism
liver
do Taxanes cross the BBB?
no
long term effects of Taxanes
neuropathy
Examples of platinum compounds
- carboplatin
- cisplatin
- oxaliplatin
platinum compounds MOA
damage DNA
platinum compounds SE
- oxaliplatin - spasm with cold exposure
- nephrotoxicity
- neurotoxicity
- ototoxicity
- peripheral neuropathy
- myelosuppression
platinum compounds metabolism
renal - carboplatin dose adjusted every time based on renal function of the patient that day
platinum compounds long term effects
- neuropathy
- hearing difficulties
- infertility
Red flag for what drug if you see lung toxicity in primary care
bleomycin
Red flag for what drug if you see cardiomyopathy in primary care
doxorubicin
Red flag for what drug if you see secondary malignancy in primary care
cyclophosphamide
Red flag for what drug if you see hemorrhagic cystitis
Ifosfamide/cyclophosphamide
Red flag for what drug if you see neurotoxicity in primary care
- cisplatin
- taxanes
- vinca alkaloids
Red flag for what drug if you see kidney failure in primary care
- cisplatin
2. high dose methotrexate
what are molecular targeted therapies?
drugs that block the growth and spread of cancer by interfering with specific receptors that are on the cancer cells that are involved with growth or spread of cancer
types of targeted molecular therapy and routes of delivery
- monoclonal antibodies - injection or infusion
2. small molecules (can pass through cell wall) - pill
what are monoclonal antibodies? how are they made?
delivery system for transmitting a drug, antigen injected into animal –> animal makes antibodies –> antibodies are taken off the cells and developed into drug
BRAF-MEK inhibitors indication
melanoma
BRAF-MEK inhibitors SE
- secondary malignancy
- hemorrhage
- HTN
- visual changes
- GI
- fetal toxicity
Trastuzumab (Herceptin) indications
HER2 positive breast cancer
Trastuzumab (Herceptin) SE
CHF
BCR-ABL kinase inhibitors indication
CML / ALL (CML is a translocation)
what drug class is tamoxifen
selective estrogen receptor modulator
who is tamoxifen used in?
- pre-menopausal women
2. if aromatase inhibitors are contraindicated
tamoxifen MOA
inhibits growth of breast cancer cells by acting as competitive antagonist of estrogen receptor
tamoxifen SE
- VTE
- NASH
- sexual dysfunction
- hot flashes
- vaginal discharge
- menstrual irregularities
- endometrial hyperplasia
is tamoxifen used alone or in combo?
either - alone or in combo with chemo or targeted therapy
length of tamoxifen treatmetn
minimum of 5 years, may be 10 years if high risk
tamoxifen indication
estrogen receptor and/or progesterone receptor positive breast cancer
who should aromatase inhibitors be used in ?
1, postmenopausal women
2. premenopausal high risk
aromatase inhibitors example
anastrazole
aromatase inhibitors MOA
suppressed plasma estrogen levels by inactivating aromatase (which converts androgens to estrogens)
aromatase inhibitors SE
- MSK (carpal tunnel)
- joint pain/stiffness
- osteoporosis
- CV disease long term
- sexual dysfunction
aromatase inhibitor length of treatment
minimum of 5 year
length of effect of aromatase inhibitors
improves outcomes up to 10 years
indications for gonadotropin-releasing hormone agonists
advanced prostate cancer
gonadotropin-releasing hormone agonist examples
- Leuprolide (Lupron)
2. Gosrelin (Zoladex)
gonadotropin-releasing hormone agonist MOA
potent inhibitor of gonadotropin release
gonadotropin-releasing hormone agonists SE
- sexual dysfunction
- osteoporosis/fractures
- hot flashes
- loss of lean body mass
- fatigue, anemia
- gynecomastia
- emotional/cognitive changes / confidence issues
- altered personality
gonadotropin-releasing hormone agonist treatment schedule
do intermittent to decrease SE
every other month or every 3 months
benefit of gonadotropin-releasing hormone agonists
help with bone pain and other symptoms associated with cancer
how does immunotherapy work?
Block PDL-1 or similar receptors that mask cancer cell from being recognized by T cell so patient’s own immune system can identify and destroy the cancer
Opdivo (Nivolumab) MOA
PDL1 inhibitor
Opdivo (Nivolumab) indications
- metastatic lung cancer
- metastatic melanoma
- head and neck cancer
- Hodgkin lymphoma
- colorectal cancer
- hepatocellular cancer
- renal cell cancer
- urothelial cell cancers
Opdivo (Nivolumab) SE
most tolerate very well but if they do have SE, they are severe - immune system starts attacking healthy cells
- rash
- colitis
- hepatotoxicity
- pneumonitis
- endocrinopathies: hypothyroid, “hypophysitis” (starts attacking pituitary gland)
How do you treat Opdivo (Nivolumab) SE?
high dose steroids
what is Car-T Cell
way of modifying patient’s T cells to make them more aggressive
take WBC out of patient’s body, attach lab-made antibody bead to T cells and infuse back into patient
Car-T Cell SEs
- anaphylactic reaction
2. immune response to WBC
examples of integrative oncology treatments
- music, arts, expressive therapy
- meditation
- yoga, physical exercise
- acupuncture
- massage
- aromatherapy
- lifestyle nutrition
- pet therapy
causes of cancer related pain
- neuropathy
- radiation
- metastases: bone, liver
- secondary to radiation
- post surgical pain
- nerve impingement
- phantom pain
- wounds
- pleural irritation
non-narcotic options for cancer-related pain
- gabapentin - neuropathic pain
- effexor - neuropathic pain
- topical lidocaine
why do you avoid tylenol and NSAIDs
- tylenol - can mask a fever and fever may be only sign of infection in immunocompromised patient
- NSAIDs - increase risk of kidney damage
6 As of opioid therapy
- appropriate?
- adjuvants?
- analgesia? (acceptable pain level)
- activities of daily living? (what are the goals?)
- adverse drug reactions? (already have constipation, somnolence?)
- aberrant drug behavior?
MC opioid used
oxycodone
oxycontin is long-acting version
benefit of fentanyl patches
don’t have to worry about swallowing w/ nausea, mouth sores
special consideration for fentanyl patches
need enough body fat or else drug may not be transmitted to blood well (needs subcutaneous fat)
other opioid routes of administration
liquid, rectal suppositories, concentrate
which laxatives do you need to be cautious about giving and why
saline laxatives - need to make sure good renal function before giving magnesium
categories of chemotherapy induced N/V
- highly emetic: >90% risk of emesis
- moderately emetic: 30-90% risk of emesis
- low emetogenicity: 10-30% risk of emesis
- minimally emetic: <10% risk of emesis
types of chemotherapy induced N/V
- acute N/V: w/in 24 hours
- delayed N/V: 24 hours to 7 days
- anticipatory emesis: related to anxiety
anti-emetic agents
- NK1R: Neurokinin-1 receptor antagonists
- 5-HT3 antagonists
- glucocorticoids
- ativan - for anticipatory emesis
- zyprexa (olanzapine)
examples of Neurokinin-1 receptor antagonists
- aprepitant
2. fosaprepitant
Neurokinin-1 receptor antagonists indications
highly emetogenic chemo; acute and delayed
Neurokinin-1 receptor antagonists MOA
inhibits substance P / neurokinin 1 and augments 5HT3 receptor
how are Neurokinin-1 receptor antagonists used?
added to 5-HT3 and dexamethasone for highly emetogenic chemo
Neurokinin-1 receptor antagonists SE
- hiccups
- fatigue
- interacts with inhibitors of CYP3A4
5-HT3 antagonists examples
- ondansetron (zofran)
2. palonosetron (longer acting)
5-HT3 antagonists indications
acute and delayed nausea
5-HT3 antagonists MOA
block 5-HT3-receptors which in turn block serotonin, works centrally and peripherally
what anti-emetic is most effective?
5-HT3 antagonists
5-HT3 antagonists SE
- QT prolongation
- headache
- malaise
- constipation
zyprexa use
treat anticipatory emesis (anxiety type reaction) and delayed nausea
take the night before chemo or a scan
example of highly emetic chemo
doxorubicin + cyclophosphamide
example of moderately emetogenic chemo
carboplatin
treatment regimen for highly emetic chemo
Day 1: NK1R antagonist + 5-HT3 receptor, dexamethasone, zyprexa
Day 2-4: zyprexa nightly
treatment regimen for moderately emetic chemo
Day 1: NK1R + 5HT3 + dexamethosone
treatment regimen for low emetogenic chemo
dexamethasone