FINAL EXAM Flashcards
What are the risk factors for Prostate Cancer?
- Older Age
- African American
- Family History
What are the symptoms of Early Prostate Disease?
Asymptomatic
What are the symptoms of Late Prostate Disease?
- Frequent Urination
- Weak/Slow Urine Flow
- Dysuria
- Nocturia
- Hematospermia
- Erectile Dysfunction
What are the symptoms of Metastatic Prostate Disease?
- Back Pain
- Spinal Cord Compression
- Pathological Fracture
- Anemia
- Fatigue
- Weight Loss
What is the Goal of Prostate Cancer Screening?
Identify: High Risk - Localized Prostate Cancer that can be successfully treated, thereby preventing the morbidity/mortality
Screening and Early Detection of Prostate Cancer is most beneficial for men aged what?
55-69 yrs
What is the Diagnosis Test for Prostate Cancer?
PSA Test
Define PSA
- Total PSA
- Prostate specific antigen is a glycoprotein produced by both epithelial cells and cancer cells of the prostate gland
- Liquifies Seminal Secretions
PSA is specific to the prostate bu not specific for ____.
Cancer
T/F: A single PSA measurement is NOT diagnostic
True
T/F: A PSA Test is NOT a valuable tool to predict recurrence
False
What are factors that can INCREASE PSA?
- BPH
- Infections
- Prostatitis
- Age
- Prostatic Manipulation
How long should men abstain from ejaculation to prevent a false increased PSA?
48 hours
What are factors that can DECREASE PSA?
5-AIRS:
1. Finasteride
2. Dutasteride
Finatsteride and Dutasteride can cause a ____ decrease in PSA?
50%
Define PSA Velocity
Rate of Change in PSA over time
How do you determine a PSA Velocity?
3 Separate PSA values calculated over at least an 18 month period
How long does it take for PSA to Double: PSA Doubling Time?
< 10 months = progressing quickly
Define Percent Free PSA
% PSA is significantly lower in men who have prostate cancer
-Approved in men >50
If PSA is < ___%, Biopsy is recommended
25
Define PSA Density
Size of prostate gland measured by TRUS and divide PSA by prostate volume
Ideally PSA Density should be < ____ ng/ml/g
0.15
Large Prostates tend to have ____ PSA values
Higher
For Observation in Prostate Cancer, when is it preferred?
- Low Risk Patients AND
- Life Expectancy <10 years
How often do you monitor PSA in the Observation Treatment Modality?
Monitor PSA NOT more than every 6 months
Define the Active Surveillance Treatment Modality of Prostate Cancer
Monitor the course of disease with the intent to deliver potentially curative therapy upon progression of disease
When is Active Surveillance preferred in Prostate Cancer?
- Very Low Risk Disease AND
- Life Expectancy >20 years
OR - Low Risk Disease AND
- Life Expectancy >10 years
How often do you monitor PSA in Active Surveillance Treatment Modality
Monitor PSA NOT more than every 6 months unless clinically indicated
Surgery [Radical Prostatectomy +/- Pelvic Lymph Node Dissection] is a Treatment Modality in Prostate Cancer, but when is it appropriate?
Radical Prostatectomy RP is appropriate if the tumor is confined to prostate and is definitive curative therapy
When is Surgery [Radical Prostatectomy +/- Pelvic Lymph Node Dissection] Treatment Modality preferred in Prostate Cancer patients?
Life Expectancy 10 years and NO serious comorbid conditions
PSA should be UNDETECTABLE after Surgery [Radical Prostatectomy +/- Pelvic Lymph Node Dissection], if a persistent PSA is present, what does that indicate?
Inadequate Surgery or Metastases
Radiation +/-Adjuvant ADT is used when in Prostate Cancer?
- Early Stage HIGH RISK
- Early Stage Intermediate RISK
What is the Goal of Hormonal Therapy [Androgen Deprivation Therapy (ADT)]?
To achieve castrate levels of serum testosterone <50 ng/dL
What are the methods of ADT?
- Surgical Castration
- Chemical Castration
How is Chemical Castration ADT done?
- LNRH/GnRH Agonist +/-
- First Generation Antiandrogen (-tamide)
- LNRH Antagonist
What drugs are classified as LHRH Agonists?
- Goserelin – SubQ implant
- Leuprolide – IM
- Triptorelin
- Eligard – SubQ
What is the MOA of LHRH Agonists?
Paradoxical depletion of luteinizing hormone LH. Decreased LH release and testosterone production.
Synthetic LHRH Agonists have a ____ affinity to the receptor and _____ susceptibility.
Higher; Lower
How long does it take for LHRH Agonists to cause down regulation and castrate levels of testosterone?
3-4 weeks
What are AEs of LHRH Agonists?
- Hot Flashes
- Lethargy
- ED
What are the Latent Effects of LHRH Agonists?
- Bone Loss
- Fractures
- Metabolic Syndrome
- CV Disease
- Diabetes
- VTE
What drugs are classified as LHRH Antagonists?
- Degarelix – SubQ
- Relugolix – PO
What is the MOA of LHRH Antagonists?
Antagonists irreversibly bind to LHRH receptors on pituitary gland and reduce production of testosterone to castrate levels
Which LHRH class is associated with Tumor Flare?
Agonists
What are the AEs associated with LHRH Antagonists?
- Injection Site Problems
- MAJOR CV for Relugolix
What drugs are classified as Antiandrogens?
- Bicalutamide
- Flutamide
- Nilutamide
What is the FDA indication of Antiandrogens?
Used in conjunction with ADT
What is the place of therapy for Antiandrogens?
Prevent Flare Phenomenon in LHRH Agonists
For a patient with Unfavorable, Intermediate Risk in Prostate Cancer what is the recommended therapy regimen?
EBRT + ADT
For a patient with High Risk in Prostate Cancer what is the recommended therapy regimen?
EBRT + Neoadjuvant/Adjuvant/Concurrent ADT After Radiation
For a patient with Regional Disease N1,MO in Prostate Cancer what is the recommended therapy regimen?
- EBRT
- Abiraterone
- ADT
Define Castrate Sensitive
- Patients who have not been treated with ADT and those who are not an ADT at the time or progression.
- Patients have been neoadjuvent, adjuvant, or concurrent ADT as part of RT provided they have RECOVERED TESTICULAR FUNCTION.
Define Castration Resistant
Progression of disease despite castrate levels of testosterone <50 ng/mL
For Non-Metastatic Castration Sensitive Disease M0SPC what is recommended therapy for a patient with a shorter PSADT <10 months/Rapid PSA Velocity?
Consider ADT earlier rather than later
For Non-Metastatic Castration Sensitive Disease M0SPC what is recommended therapy for a patient with a longer PSADT >12 months/Older Age?
Candidate for observation
For Non-Metastatic Castrate Resistant Disease M0CRPC what is the recommended therapy for PSADT >10 months?
Continue ADT to maintain castrate level testosterone <50 ng/mL
For Non-Metastatic Castrate Resistant Disease M0CRPC what is the recommended therapy for PSADT <10 months?
Continue ADT + Aplatutamide or Enzalutamide or Darolutamide
What is the Dose of Enzalutamide?
160 mg PO QD without regard to food
What are the AEs of Enzalutamide?
- Falls
- Dizziness
- Insomnia
- Seizures
T/F: You can initiate Enzalutamide therapy in a patient with a history of seizures?
False
What are the DDIs of Enzalutamide?
CYP3A4 Inducer, interacts with DOACs
What is the dose for Apalutamide?
240 mg QD without regard to food
What are the AEs of Apalutamide?
- Maculopapular Rash
- Hypothyroidism
What are the DDIs of Apalutamide?
Strong CYP3A4 and CYP2C19 Inducer
What is the dose of Darolutamide?
600 mg BID to be taken WITH FOOD
Does Darolutamide need renal dose adjustment? If so, what is the CrCl cutoffs?
YES, Needed for CrCl <30 mL/min
Which “tamide” is associated with the least amount of DDIs and CNS side effects?
Darolutamide
What is the backbone therapy for Metastatic Hormone Sensitive Disease Prostate Cancer?
ADT
What therapy regimens are recommended in High Volume Metastatic Prostate Cancer?
- ADT + Docetaxel + Abiraterone + Prednisone OR
- ADT + Docetaxel + Darolutamide
Which High Volume Metastatic therapy regimen is better according to the STAMPEDE Trial?
ADT + Docetaxel + Abiraterone + Prednisone
What is the MOA of Abiraterone?
Blockade of CYP17 enzyme = reduction in serum cortisol = increase in ACTH
T/F: Abiraterone has to be given with a glucocorticoid agent: Prednisone.
True
What is the administration of Abiraterone?
Must be taken on an empty stomach
What are the AEs of Abiraterone?
- HTN
- Hypokalemia
- Fluid Retention – monitor monthly
When is use of Aniraterone cautioned?
Patients with a history of cardiovascular disease
If patients demonstrate progression of disease after ADT + Docetaxel therapy, what should be given based on the ENZAMET Trial?
Enzalutamide + ADT
What is the Standard of Care in Metastatic Prostate Cancer?
Triplet Therapy
1. ADT + Docetaxel + Abiraterone (+Prednisone)
2. ADT + Docetaxel + Darolutamide
T/F: In Metastatic Castrate Resistant Prostate Cancer CRPC, ADT is NOT continued.
FALSE - ADT is continued in the castrate resistant setting
What is approved for the pre-/post- Docetaxel setting for CRPC?
- Abiraterone
- Enzalutamide
Abiraterone + Predisone CANNOT be used in what patient population for CRPC?
Patients with VISCERAL Metastases
What is the MOA of Taxanes?
Anti-Microtubular
What 2 Taxanes have FDA indications for CRPC use?
- Docetaxel
- Cabaxitaxel
How should Docetaxel be given in CRPC?
Give with Prednisone
What are the AEs of Docetaxel?
- Peripheral Edema
- Myelosuppression
- Alopecia
- Peripheral Neuropathy
T/F: Docetaxel does NOT contain Cremphor and therefore, has a lower risk of hypersensitivity.
True
What is co-administered with Docetaxel to decrease Peripheral Edema?
Dexamethasone
What is the Contraindication of Docetaxel?
Severe Hepatic Impairment
If a patient does not respond to Docetaxel due to multi-drug resistance mechanisms, what should be used?
Cabaxitaxel
What is the specific indication of Cabazitaxel?
Metastatic hormone refractory prostate cancer only in patients who previously progressed on Docetaxel
How should Cabazitaxel be adminstered?
- Given with Prednisone
- Premedicate with H1 and H2 block and IV Corticosteroid 30 minutes prior to admin
Why do you have to premeditate with Cabazitaxel?
Polysorbate 80
What are the AEs of Cabazitaxel?
- Myelosuppresion
- Fatigue
- Hypersensitivity Rxns
What is the Indication of Sipuleucel-T?
Only indicated for asymptomatic or minimally symptomatic patients with no liver metastases, life expectancy > 6 months, and good performance status
What are the AEs of Sipuleucel-T?
- Chills
- Pyrexia
- Headaches
What is the premedication routine for Sipuleucel-T?
APAP 650 mg
Diphenhydramine 50 mg
What is the Indication for Radium 223 Xofigo?
Patients with metastatic CRPC with symptomatic bone only metastases, NO KNOWN Visceral metates before or after Docetaxel
Radium-223 Xofigo is not recommended to be used with any chemotherapy except what:
- ADT
- Denosumab
- Bisphosphonate
What are the AEs of Radium-223 Xofigo?
- Myelosuppression
- N/V
- Diarrhea
- Peripheral Edema
When is Germline Testing Recommended?
For patients with family history for cancer, or gremlin mutations
In Metastatic CRPC Second Line Options what are 2 agents recommended?
- Pembrolizumab
- Olaparib
When would Pembolizumab be recommended in CRPC Second Line?
After progression on prior treatment
When would Olaparib be recommended in CRPC Second Line?
After progression on prior novel hormonal therapy
ADT is known to cause Osteoporosis, what is recommended daily supplementation?
Vitamin D and Calcium
Which drug is superior in preventing skeletal-related events: Denosumab or Zolendronic Acid?
Denosumab
What are the 4 most common types of Epithelial Ovarian Cancer?
- Serous
- Mucinous
- Endometrioid
- Clear Cell
What are the Negative Risk Factors of Ovarian Cancer?
- Increasing Age
- Obesity
- Infertility/Nulliparity
- Hormone Therapy after menopause
- Endometriosis
- PCOS
- Use of IUD
- Cigarette Smoking
- Genetics
What are the Protective/Positive Risk Factors of Ovarian Cancer?
- Previous Pregnancy
- Hx of Breastfeeding
- Oral Contraceptives
- Tubal ligation
What is a screening used in high risk patients for Ovarian Cancer?
CA-125 = NORMAL 0-46 IU/mL
What is CA-125?
Biomarkers that may be elevated in ovarian cancer but also with pelvic inflammatory disease, uterine fibroids, menstruation
T/F: No effective screening test currently recommended for ovarian cancer.
True
What are forms of prevention of Ovarian Cancer?
- Decreasing Lifetime Ovulation: multiple pregnancies, breastfeeding, contraceptive use
- Tubal Ligation
- Prophylatic Oophorectomy
What is used in the Diagnosis of Ovarian Cancer?
- Ultrasound
- CT/MRI
- Chest CT or X Ray
- Labs
- CA-125
What is the difference between Stage I and II Ovarian Cancer?
Stage I: limited to one or both ovaries/Fallopian tubes
Stage II: extends to other pelvic structures
What are the 2 most common metastatic sites associated with Ovarian Cancer?
- Lung
- Liver
What is Primary Therapy in Ovarian Cancer?
Surgery
T/F: Neoadjuvant therapy is given in Ovarian Cancer with the sole purpose to shrink the tumor to surgical removal.
True
Ovarian Cancer Adjuvant Chemotherapy is _____ -based.
Platinum
When would Fertility Sparking: Unilateral Salpingo Oophorectomy USO be an option in Ovarian Cancer?
Stage I
Is Radiation recommended in Ovarian Cancer?
NO
What is the Goal and Treatment option for Grade 1-IA/IB Ovarian Cancer?
Goal: Cure
Surgery followed by observation
What is the Goal and Treatment option for Grade 2-1A/1B Ovarian Cancer?
Goal: Cure
Surgery with observation or IV chemotherapy
What is the Goal and Treatment option for Grade 3-1A/1B Ovarian Cancer?
Goal: Cure
Surgery + Platinum Based Chemotherapy
What is the Goal and Treatment option for Stage II, III, IV Ovarian Cancer?
Goal II, III, IVA = Cure
Goal IVB = Prolong Life
Surgery + Platinum Based Chemo
How long is platinum-based chemotherapy usually in Ovarian Cancer?
3-6 cycles
What is the preferred regimen for Stage I Ovarian Cancer?
Paclitaxel/Carboplatin = platinum doublet
What is the preferred regimen for Stage II-IV Ovarian Cancer?
Platinum Doublet Backbone +/- Bevacizumab 6-8 cycles
What are the indications for Intraperitoneal Therapy in Ovarian Cancer?
- Stage II/III
- Optimally Debulked < 1 cm of disease
- No prior history of bowel surgey
- Age <65 yrs
What drugs are used in Intraperitoneal Therapy of Ovarian Cancer?
- Paclitaxel
- CISPLATIN
Intraperitoneal Therapy is known to have higher grades of AEs/Complications, would you start this in patient even thought they are not willing to finish the entire cycle?
YES, 1 cycle is better than none, finish the rest of the cycles via IV
What is the first-line Maintenance Therapy for Stage I Ovarian Cancer?
Observation
What is the first-line Maintenance Therapy for Stage II-IV Ovarian Cancer?
- Bevacizumab = ONLY if it was used in primary regimen
- Olaparib = ONLY for BRCA1/2
- Niraparib
Define Platinum Sensitive Disease in Ovarian Cancer
> 6 months from the time of last chemotherapy
Define Platinum Resistance Disease in Ovarian Cancer
<6 months from the time of last chemotherapy
Define Platinum Refractory Disease in Ovarian Cancer
Progression or NO Response on platinum-based therapy
What is given in Recurrence of Platinum Resistant Disease?
- AVOID Platinum = NON Platinum-Based CHemo
- Supportive Care
What is given in Recurrence of Platinum Sensitive Disease?
- Platinum Based Chemo
- 2nd Line Chemo
What are AEs of Bevacizumab?
- HTN = DLT
- Hemorrhage
- Myalgia
- Impaired wound healing
- GI perforation/fistula
What are the AEs of IP Chemotherapy?
- Painful
- Port Malfunction
What are the AEs of Platinums?
- Myelosuppresion = DLT
- Peripheral Neuropathy
- Nephrotoxicity
What are the AEs of Taxanes?
- Myelosuppression
- Peripheral Neuropathy
- Fluid Retention
Cisplatin vs Carboplatin: Which has the worse N/V?
Cisplatin
Cisplatin vs Carboplatin: Which needs a dose reduction for patients with bone marrow fibrosis?
Carboplatin
Cisplatin vs Carboplatin: Which has increased hypersensitivity reactions with cycles 6-8?
BOTH
PARP Inhibitors are used FIRST LINE for what type of Ovarian Cancer?
BRCA Mutation related
List the factors that lead to INCREASED Cervical/Endometrial Cancer
- Persistent HPV Infection
- Smoking
- Parity (increase # of births)
- Oral Contraceptive Use
- Early age onset of sexual activity
- Increased number of sexual partners
- Certain autoimmune diseases/long term immunosuppresion
What is the number 1 contributing factor that increases the risk of Cervical/Endometrial Cancer?
HPV Infection
What 5 factors decreases the risk of Cervical/Endometrial Cancer?
- HPV Vaccination
- Reduce exposure to HPV
- Practice safe sex
- Reduce number of sexual partners
- Smoking cessation
What is the HPV Vaccine called?
Gardasil 9 Papillomavirus 9-Valent Vaccine
What is the recommended HPV Vaccination schedule for Children 9-14 yrs?
2 Dose Series: IM 0.5 mL at 0 and 6-12 months
3 Dose Series: IM 0.5 mL at 0, 2, and 6 months
What is the recommended HPV Vaccination schedule or Adults 15-45 yrs?
3 Dose Series: IM 0.5 mL at 0, 2, 6 months
What are 2 screening tools used in Cervical/Endometrial Cancer?
- PAP Test
- HPV Test
What is the Primary Treatment for Early Stage Disease of Cervical/Endometrial Cancer?
Surgery or RT
What is the Primary Treatment for Advanced Disease IB3-IVA Cervical/Endometrial Cancer?
Chemoradiation
What is the Primary Treatment for Metastatic Disease IVB Cervical/Endometrial Cancer?
Systemic Chemotherapy
What are the 2 Radiation Options for Cervical/Endometrial Cancer?
- External Beam Radiation EBRT
- Brachytherapy Internal Radiation
What is the Primary Systemic Chemotherapy for Cervical/Endometrial Cancer?
- CISPLATIN = given with RT
- Carboplatin = given with RT ONLY if patient is Cisplatin Intolerant
What is the Treatment for Localized Recurrence after initial treatment in Cervical/Endometrial Cancer?
- RT and/or Chemotherapy or Pembrolizumab
- Surgery
- Clinical Trial
What is the Treatment for Recurrence after 2nd Line Therapy (POOR Prognosis) in Cervical/Endometrial Cancer?
- Systemic Chemotherapy
- Clinical Trial
- Best supportive care
What is the Therapy for Recurrent Disease in Cervical Cancer if PD-L1+?
- Cisplatin + Paclitaxel +/- Bevacizumab +/- Pembrolizumab
- or sub Cisplatin with Carboplatin
What are the other Therapy options for Recurrent Disease Cervical Cancer?
- Tisotumab Vedoin
- Single Agent: Cisplatin/Carboplatin/Paclitaxel
What is the Therapy for Recurrent Disease if PDL1+ or MSI-H/dMMR Uterine tumors?
Pemrbolizumab or Nivolumab single agent
What is considered most effective therapy for Metastatic Disease of Cervical/Endometrial Cancer?
Cisplatin + Paclitaxel +/- Bevacizumab
When would Pembrolizumab be added to therapy regimen for Metastatic Cervical/Endometrial Cancer?
CPS Score >1 PDL1+
What are the 6 Risk Factors of Uterine Cancer?
- Increased levels of estrogen (obesity, diabetes)
- Reproductive history of infertility
- Age >55 yrs
- Genetics, FH (Lynch Syndrome)
- Hormone replacement therapy
- Tamoxifen
What would quantify Delineation of Treatment?
- Disease limited to uterus
- Cervical involvement
- Suspected extrauterine disease
What is Therapy Regimen for Disease Limited to uterus or with Cervical Involvement Stage I Uterine Cancer?
- Observation OR
- RT +/- Systemic Therapy
What is Therapy Regimen for Disease Limited to uterus or with Cervical Involvement Stage II Uterine Cancer?
EBRT and/or Brachytherapy
What is Therapy Regimen for Disease Limited to uterus or with Cervical Involvement Stage III-IV Uterine Cancer?
Systemic Therapy +/- EBRT +/- Vaginal Brachytherapy
What are the agents used in Continuous Progestin Therapy for Fertility Sparing Options of Disease Limited to Uterus?
- Megestrol
- Medroxyprogesterone
- Levonorgestrel IUD
What is used for Adjuvant Treatment in Primary Systemic Chemotherapy of Uterine Cancer?
Carboplatin + Paclitaxel
What is used for Recurrent/Metastatic HER2+ Therapy Regimens for Uterine Cancer?
Carboplatin + Paclitaxel +/- Trastuzumab
What is used for Recurrent/Metastatic MSI-High/TMB-H Therapy Regimens for Uterine Cancer?
Pembrolizumab
What is used for Recurrent/Metastatic NOT MSI-H or dMMR Therapy Regimens for Uterine Cancer?
Pembrolizumab + Lenvatinib
What is used for Recurrent/Metastatic dMMR Therapy Regimens for Uterine Cancer?
Nivolumab
What is used for Recurrent/Metastatic NTRK Gene Fusion Therapy Regimens for Uterine Cancer?
Larotrectinib or Entrectinib
What is used for Hormonal Therapy in Uterine Cancer?
- Megestrol Acetate AND
- Tamoxifen
What are the Supportive Care Medications for Infusion of Carboplatin?
- NK1 Antagonist
- 5HT3 Antagonist
- Dexamethasone +/- Olanzapine
What are the Supportive Care Medications for Infusion of Cisplatin?
- Hydration + Electrolytes
- NK1 Antagonist
- 5HT3 Antagonist
- Dexamethasone +/- Olanzapine
What is the main AE of Paclitaxel?
Neuropathy
There are allergic reactions with Paclitaxel due to Cremphor, what are the 3 medications that must be used?
- Diphenhydramine
- Famotidine
- Dexamethasone
What are the AEs of Bevacixumab (VEGF Inhibitor)?
- HTN –> BIGGEST CONCERN
- Proteinuria
- Wound Healing Complications
- GI Perforation
- Thromboembolism
What are the AEs of Doxorubicin?
- Myelosuppression
- Hand Foot Syndrome
What is used for the prevention of Hand Foot Syndrome?
- Avoid excessive friction
- Moisturize BID
- Cold Packs
- Avoid hot showers
What are the AEs of Pembrolizumab?
- Diarrhea/Colitis
- Skin Rash
- Endocrinopathies
What is the toxicity connected to Tisotumab?
Ocular Toxicity
What is required to be administered when using Tisotumab?
- Steroid
- Vasoconstrictor
- Lubricating Eye Drops
- Cold Packs during Infusion
T/F: For Uterine Carincoma, Tamoxifen must be used with Megestrol, not monotherapy.
True
What are the Modifiable Risk Factors for Colon Cancer?
- High Fat, Low Fiber
- Red or Processed Meats
- Alcohol
- Smoking
- Obesity
- Metabolic Syndrome
- Vitamin D Deficiency
What are the Non-Modifiable Risk Factors for Colon Cancer?
- Age >50
- Inflammatory Bowel Disease
- Polyps
- FH
- Genetic Predisposition
What are the 2 types of genetic predisposition that are risk factors of Colon Cancer?
- Lynch Syndrome
- Familial Adenomatous Polyposis FAP
List the 4 things that can be used as Prevention of Colon Cancer
- Vitamin D + Calcium
- Healthy Lifestyle
- High Fiber Diet
- ASA/NSAIDs
T/F: Carcinoembyroinic Antigen CEA is NOT useful in detecting recurrence or metastatic disease.
False
T/F: CEA is NOT a diagnostic value for colon cancer.
True
What 4 sites is Metastatic Colon Cancer common?
- Liver
- Lungs
- Bone
- Peritoneum
What is recommended therapy for Stage I-Low Risk II Colon Cancer?
Surgery + Observation
What is recommended therapy for Stage II-III Colon Cancer?
- Surgery
- FOLFLOX 3-6 months OR
- CapeOx
T/F: Stage III patients with Colon Cancer, demonstrated a benefit in survival outcome compared to Stage II patients when Oxaliplatin was added.
True
Addition of ______ to a Fluoropyridine improves survival and should be added for Stage III patients with NO contraindications.
Oxaliplatin
What drugs are NOT recommended in Stage I-III Colon Cancer?
- Irinotecan
- Bevacixumab
- Cetuximab
- Panitumumab
FOLFOX ____ FOLFIRI
=
FOLFOX ____ CAPEOX
=
FOLFIRI ___ CAPEIRI
>
In Stage IV Colon Cancer what are the Chemotherapy Regimens?
- FOLFLOX
- CapeOx
- FOLFIRI
- FOLFIRINOX
+/- Targeted Therapy
What is the benefit in adding on Bevacizumab?
Addition of Bevacizumab improves response rates and survival when added to 5-FU and Capecitabine based regimens in the metastatic setting
Define Right Side Colon Cancer
Cecum – Transverse Colon
Define Left Side Colon Cancer
Splenic Flexure – Rectum
Which side of Colon Cancer is known to have a worse prognosis?
Right Side
Which side of Colon Cancer is known to have KRAS/BRAF Mutations aka NOT wild type?
Right Side
In Stage IV Colon Cancer when would you add on an EGFR Inhibitor?
Wild Type AND Left Sided Tumor
T/F: In Stage IV Colon Cancer all patients should add on Bevacizumab.
False: Contraindications are HTN recent surgery, otherwise add on Bevacizumab
If the patient demonstrates Progression of Stage IV Colon Cancer, should Bevacizumab be discontinued?
NO
If the patient demonstrates Progression of Stage IV Colon Cancer, and was prescribed an EGFR inhibitor, what would be done next?
DC EGFR Inhibitor
Do NOT add on Bevacizumab
If the patient demonstrates Progression of Stage IV Colon Cancer and prescribed Oxaliplatin Therapy, what would be done next?
Switch to Regimen with Irinotecan
If the patient demonstrates Progression of Stage IV Colon Cancer and prescribed Irinotecan Therapy, what would be done next?
Switch to Regimen with Oxaliplatin
What drugs are NOT recommended and should be avoided in Stage IV Colon Cancer?
- CapeIRI Regimen
- VEGF Inhibitor + EGFR Inhibitor Combo
What is the MOA of 5-FU?
- FUTP inhibits RNA synthesis
- FdUMP inhibits DNA synthesis through inhibition of thymidylate synthetase
What is the difference between Bolus and Continuous administration of 5-FU?
Bolus = RNA false base pair
Continuous = TS inhibition
What is the DLT of Bolus 5-FU?
- Myelosuppression
- Neutropenia
- Thrombocytopenia
What is the DLT of Continuous 5-FU?
- Diarrhea
- Hand Foot Syndrome
What is the MAJOR DDI of 5-FU?
Warfarin
What is the MOA of Leucovorin?
- Stabilize the complex between FdUMP and Thymidylate Synthetase
- Help increase cytotoxicity of 5-FU
T/F: You can give Leucovorin with Capecitabine.
False, avoid combination due to toxicity
When is Capecitabine Contraindicated?
CrCl <30
What is the DLT of Capecitabine?
- Diarrhea
- Hand Foot Syndrome
What is used for the treatment of Hand Food Syndrome?
- Urea - Keratolytic Cream
- Steroid Cream
- Oral Analgesics
What is the DLT of Oxaliplatin?
Cumulative Peripheral Neuroapthy
Define Acute DLT of Oxaliplatin
- REVERSIBLE
- Resolves within 14 days
- Exacerbated by cold
Define Chronic DLT of Oxaliplatin
- PERSISTENT
- > 14 days
What is more common in Oxaliplatin, Thrombocytopenia/Anemia or Neutropenia?
Thrombocytopenia/Anemia > Neutropenia
What is the DLT of Irinotecan?
Diarrhea
What should be given for EARLY diarrhea in Irinotecan?
Atropine, max dose 1.2 mg
What should be given for LATE diarrhea in Irinotecan?
Loperamide
What is the dosing of Loperamide in treatment of diarrhea of Irinotecan?
4 mg at onset then 2 mg Q2 hrs until diarrhea free for 12 hours
T/F: There is NO Max Dose for Loperamide when concerned with Irinotecan induced Diarrhea.
True
Patients with Homozygous ________ allele have increased Neutropenia and Diarrhea with Irinotecan.
UGT1A1*28
If patients demonstrate with deficient enzymatic activity due to UGT1A1*28, what can be done with Irinotecan therapy?
- Dose Reduction
- Use alternative regimen
- Accept greater toxicity levels
What are the class AEs of VEGF Inhibitors (Bevacizumab/Regorafenib)?
- HTN
- Impaired Wound Healing
What are the specific AEs of Regorafenib (VEGF Inhibitor)?
- Hepatotoxicity
- Hand Foot Syndrome
- Diarrhea
What is the most common AE of EGFR Inhibitors?
Papulopustular Acneiform Rash
T/F: You can treat Acneiform Rash with acne products.
False
What is used in the Prevention of Acneiform Rash?
- Hydrocortisone 1%
- Moisturizer
- Sunscreen
- Doxycycline 100 mg BID
x6 weeks
What is used in the Treatment of Acneiform Rash?
- Topical Steroids
- Clindamycin 1% Gel
- Doxycycline or Minocycline
- Oral Steroids = ONLY for severe rash