ONCOLOGY I Flashcards
What is recommended for prevention of colorectal cancer and CVD in patients who are 50-59y, >10% ASCVD, >10 year life expectancy, low risk bleeding
aspirin low dose
Screening for breast cancer
age 45-54
begin yearly mammograms
Screening for breast cancer
age >55
mammograms every 2 years or continue yearly
Cerivical cancer
age 21-29y
Pap smear every 3 years
cervical cancer
age 30-65
Pap smear + HPV every 5 years
Colon cancer
>45y
stool based tests, fecal occult blood test every year
colonoscopy every 10 years
FSIG every 5 years
prostate
>50
if a patient opts to be tested-
PSA +/- DRE
Lifetime cumulative dose of Bleomycin
400 units
reason for lifetime cumulative dose of bleomycin
pulmonary toxicity
lifetime dose of doxorubicin
450-550mg/m
reason for doxorubicin cumulative dose limit
cardiotoxicity
cisplatin dose per cycle max
100mg/m
cisplatin dose limitation is due to
nephrotoxicity
the single dose of vincristine is capped at
2mg
why is vincristine capped at 2mg
neuropathy
What is used to prevent cardiac damage from doxorubicin
dexrazoxane
What drugs don’t cause myelosuppression
Asparaginase
bleomycin
vincristine
How do you manage neutropenia
colony stimulating factors (CSFs)
how do you manage anemia
ESAs (in palliation only)
How do you manage thrombocytopenia
platelet transfusions when very low
What are the common drugs that cause N/V
cisplatin
cyclophosphamide
ifosfamine
management for NV
NK1-RA
5HT3-RA
dexamethasone
IV PO fluid rehydration
what common drugs cause mucositis
fluorouracil
methotrexate
Drugs that cause diarrhea
methotrexate
fluorouracail
capecitabine
irinotecan
What do you give to those that are taking irinotecan to help with early onset diarrhea
atropine
constipation drugs
vincristine
*stimulant laxatives, PEG
what can be used for xerostomia
artificial saliva substitutes and pilocarpine
What drugs are known for causing cardiomyopathy
anthracyclines
dexrazoxane given with doxorubicin
what drugs cause QT
arsenic trioxide, many TKIs (-inib)
What drugs cause pulmonary fibrosis
bleomycin
busulfan
carmustine
lomustine
What drugs cause pneumonitis
methotrexate and immune therapy MAbs
common drugs that cause hepatoxocity
anti androgens (bicalutamide, flutamide, nilutamide)
How do you manage hepatotoxicity
steroids, immune therapy MAbs
What drugs cause nephrotoxicity
cisplatin
methotrexate
What can help with cisplatin’s nephrotoxity?
Amifostine (Ethyol)
What drugs can cause hemorrhagic cystitis
ifosfamide (all doses)
cyclophosphamide (>1g)
What helps with hemorrhagic cysitis
mesa is always given with ifosfamide
What drugs cause peripheral neuropathy
vinca alkaloids (vincristine, vinblastine, vinorelbine)
platinums
taxanes
Which drug causes an acute cold mediated sensory neuropathy?
oxalipplatin - avoid cold temps and cold beverages
What drugs cause a risk for clotting
aromatase inhibitors (anastrozole, letrozole), SERMs (tamoxifen, raloxifene)
Bleomycin
Busulfan
Carmustine
Lomustine
pulmonary fibrosis
Platinum-based (cisplatin, carboplatin(
nephrotoxic/ototoxic
Doxorubicin and other anthracyclines
cardiotoxic
Methotrexate
mucositis
nitrosoureas (lomustine, carmustine)
neurotoxicity
Ifosfamide
cyclophosphamide
hemorrhagic cysitisis
vinka alkaloids
taxanes
peripheral neuropathy
immunotherapy targeting CTLA-4 or PD-L1 ipilimumab, atezolizumamb, durvalumab, nivolumab, pembrolizumab
autoimmune syndromes
Bone marrow suppression is a common toxicity of many agents including:
alkylators anthracyclines platinum based compounds (cisplatin) taxanes topoisomerase I and II inhibitors antimetabolites vinka alkaloids (blasten and vinorelbine)
cistplatin+
amifostine (Ethyol)
nephrotoxicity
Doxorubicin +
dexrazoxane (Zinecard)
Dexrazoxane (Totect)
prevent cardiomyopathy
treatment for extravasation
Fluoruracil +
leucovorin or levoleucovorin (Fusilev)
enhance efficacy
Fluoruracil or capecitabine +
antidote
uridine triacetate (Vistogard)
use within 96 hours
Ifosfamide +
mesna (mesnex)
hemorrhagic cystitis
Irinotecan +
atropine
loperamide
diarrhea
Methotrexate+
leucovorin or levoleucovorin (Fusilev)
glucarpidase (Voraxaze) (antidote_
dec myelosuppression and mucositis
What should you do when a drug damages the bladder or kidneys?
get it out!
normal saline
What does myelosuppresion cause?
fewer RBCs, abcs platelets
the lowest point that WBCs and platelets reach is called
nadir
occurs 7-14 days after chemo; recovers in 3-4 weeks
ANC <1000 =
neutropenia
ANC <500
severe neutropenia
ANC<100
profound neutropenia
____ are given prophylactically after chemo to shorten the time that a patient is at risk for infection due to neutropenia and reduce mortality
CSFs
Brand: Neupogen
generic: filgrastim
* daily
Brand: Neulasta
generic: pegfilrastin
* longer acting/12 days
what are the common side effects of CSFs?
bone pain
when are empiric antibiotics started?
if a fever occurs with neutropenia
*must cover pseudomonas
Which bacteria have the highest risk for causing sepsis?
negative
Patient is at low risk of neutropenia (expected ANC<500 for <7 days)
what empiric antibiotics?
oral anti-pseudomonas antibiotics
cipro or levo
PLUS
augmenting or clindamycin
Patient is at high risk of neutropenia (expected ANC<100 for >7 days)
what empiric antibiotics?
IV anti-pseudomonas beta lactams cefepime ceftazidime meropenem imipenem/cilastin pip/tazo
What levels need to be assessed when receiving ESAs?
serum ferritin
transferrin saturation
total iron binding capacity
What factors increase risk of NV
female age <50 anxiety depression dehydration history of motion sickness, N/V with prior regimens
When do you administer CINV?
30 mins prior to chemo and provide take home meds
Acute (within 24 hours after chemo) drug therapy?
5HT3 receptor antagonists (ondansetron, granisetron, dolasetron, palonosetron)
Delayed (>24h after chemo)
NK1RA (aripeptant PO, fosaprepitant IV), corticosteroids, palonosetron
olanzapine
Anticipaory (before chemo)
Benzes started evening prior
High emetic risk antiemetic regimen
3 or 4 drugs
Aripeptant PO + ondansetron + olanzapine + dexamethasone
olanzapine + palonosetron + dexamethasone
Arepitenant PO + ondansetron + dexamethasone
Moderate emetic risk
2 or 3 drugs
Arepitenant PO + ondansetron + dexamethasone
ondansetron + dexamethasone
low emetic risk
1 drug (NO arepeptant)
What medications may be beneficial for breakthrough CINV?
ondansetron
dopamine receptor antagonists (prochlorperazine, promethazine, metoclopramide)
cannabinoids
olanzapine
How do you treat acute dystonic reactions? (EPS)
anticholinergics (benztropine, Benadryl)
What are Substance P/Neurokinin-1 Receptor Antagonists?
Aprepitant (Emend)
PO, IV
What is the IV version of aprepitant?
fosaprepitant (Emend)
When aprepitent is administered what do you do with the steroid dose?
decrease, (3a4 inhibitors)
Why can’t you administer ondansetron with apomorphine?
severe hypotension
When do you apply the granisetron patch?
24-48 hours before chemo
Brand: Sancuso
generic: granisetron
Brand: aloxi
generic: palonosetron
What are side effects of 5HT3-RA
headache
constipation
Brand: Decadron
generic: dexamethasone
Examples of dopamine receptor antagonists
prochlorperazine
promethazine
metoclopramide
olanzapine
Brand: Compazine
generic: prochlorperazine
Brand: Phenergan
generic: promethazine
* NOT IV* IM is preferred due to extravasation
Brand: Reglan
generic: metoclopramide
Brand: Zyprexa
generic: olanzapine
Boxed warning for metoclopramide
tardive dyskinesia that can be irreversible
Dronabinol capsules vs solution
capsule CIII
solution CII
Brand: Marinol
generic: dronabinol
Brand: Cesamet
generic: nabilone
What is the max of loperamide increased to with CID
24mg/day
What causes CID
fluorouracil, capecitabine, irinotecan
several days later
oral mucositis increases the risk of what
candida infection
nystatin oral suspension or clotrimazole troches
Treatment for oral mucositis
lidocaine 2% topical solution
What syndrome happens commonly with capecitabine and fluorurcail
hand foot syndrome
how can you help the hand foot syndrome sypmtoms
cooling hands/feet with cold compress
emollients (aquaphor, Udder cream, Bag balm)
steroids and pain meds
In Tumor lysis syndrome, when the cell is lysed, the intracellular components that enter the bloodstream include:
potassium, phosphate, purines, and pyrimidines
*phosphate will bind to calcium = hypocalciema
hyperkalemia = arrhythmias
hyperurciema
What is used in TLS to stop the conversion of purines into uric acid
xanthine oxidate inhibitor
allopurinol 400-800mg/day
What can be added to allopurinol if it fails?
rasburicase (C/I in G6Pd def)
How do you treat hypercalcemia of maligancy?
water & loops
Calcium >12… treatment
IV hydration with normal saline
calcitonin (48h)
IV bisphosphonates are generally considered first line
pamidronate, zoledronic acid
Brand: Miacalcin
generic: calcitonin
Brand: Zometa
generic: zoledronic acid
4mg IV may repeat in 7 days
(not yearly like in osteoporosis)
Brand: Xgeva
generic: denosumab
monthly!!!! (not every 6 years like in osteoporosis)
how do you prevent immunologic reactions? (MAbs)
APAP
benadryl
if extravasation occurs, apply cold compressed except with:
vinca alkaloids and etoposide (warm compress)
antidote for anthracyclines with extravasation
dexrazoxane (Totect) or dimethyl sulfoxide
antidote for vinca alkaloids and etoposide with extravasation
hyaluronidase
what drugs can be given intrathecally
cytarabine methotrexate hydrocortisone thiotepa ***PRESERVATIVE FREE****