Prostate Cancer Flashcards

1
Q

Prostate specific antigen (PSA) is specific for cancer

a. true
b. false

A

b. false

specific to the prostate, not for cancer

glycoprotein produced by epithelial cells of the prostate

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2
Q

Normal PSA level is < __ ng/mL

A

4

Levels > 10 ng/mL has 67% positive biopsy

levels 4-10 ng/mL have 30-35% positive

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3
Q

The ___ score ranges from 1-5 and describes how much the cancer from a biopsy looks like healthy tissue or abnormal tissue (higher score)

A

Gleason

most cancers score a grade of 3 or higher

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4
Q

What oral antiandrogen is for both castrate sensitive and castrate-resistant metastatic prostate cancer?

A

enzalutamide

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5
Q

Which BRCA drug requires renal dosing

A

olaparib

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6
Q

What chemotherapy agent is only used in prostate cancer?

A

cabazitaxel

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7
Q

___ is radiation delivered directly to the prostate

A

brachytherapy

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8
Q

___ is the most common first generation antiandrogen

A

bicalutamide

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9
Q

What drug has the brand names Lupron or Eligard?

A

leuprolide

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10
Q

What is the newest FDA approved drug for prostate cancer?

A

Relugolix

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11
Q

What is the preferred initial therapy for low risk disease with life expectancy < 10 years?

A

observation

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12
Q

Radium 223 is useful in pts with __ disease to the bones.

A

metastatic

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13
Q

Abiraterone, docetaxel, cabazitaxel, and mitoxantrone are given along with ___

A

prednisone

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14
Q

Which drug has less risk for falls?

A

darolutamide

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15
Q

__ is a tumor marker monitored during active surveillance

A

PSA

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16
Q

What drug is only for MSI-H/dMMR?

A

pembrolizumab

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17
Q

LHRH ___ avoid tumor flares

a. agonists
b. antagonists

A

b. antagonists

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18
Q

What drug is taken on an empty stomach?

A

abiraterone

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19
Q

Triptorelin is a LHRH ___

a. agonist
b. antagonist

A

a. agonist

20
Q

___ is preferred in very low risk disease with life expectancy > 20 years, and low risk with life expectancy > 10 years

a. observation
b. active surveillance

A

b. active surveillance

actively monitor disease; if cancer progresses potentially curative therapy considered

PSA every 6 months
DRE every 12 months
repeat biopsies every 12 months

21
Q

With observation if symptomatic use ___ therapy

a. curative
b. palliative

A

b. palliative

repeat biopsy not recommended

PSA and DRE every 6 months

Advantage: avoid immediate morbidity associated with treatment

22
Q

4 LHRH agonists:

A

goserelin
leuprolide
triptorelin
histrelin

23
Q

Most commonly used first generation antiandrogen?

A

bicalutamide

3 first gen anti androgens:

  • flutamide
  • bicalutamide
  • nilutamide

not used as monotherapy

24
Q

2 LHRH antagonists:

A
  • degarelix
  • relugolix

faster drop of testosterone levels: < 50 by 7 days

avoids tumor flare, no need for anti-androgen therapy
lower risk of CV incidents

25
Preferred regimens for metastatic castration naive include ___
androgen deprivation therapy + apalutamide, enzalutamide, abiraterone, or docetaxel 75mg/m2 x 6 cycles
26
Docetaxel is given every __ days
21 M-phase cell cycle specific
27
3 first generation anti androgens?
- bicalutamide - flutamide - nilutamide
28
3 second generation anti androgens?
- apalutamide - enzalutamide - darolutamide inhibit androgen biosynthesis: CYP17 inhibitors
29
Which 2nd generation anti-androgen should be taken on an empty stomach?
abiraterone Toxicities: - LFT elevations - increased blood pressure - edema
30
What is preferred Tx for non-metastatic castrate resistant prostate cancer on PSADT > 10 months?
observation
31
What drug class is used to Tx non-metastatic castrate resistant prostate cancer with PsADT <= 10 months ?
2nd generation anti-androgens apalutamide enzalutamide darolutamide
32
What Tx is preferred for metastatic castrate resistant prostate cancer with prior docetaxel use and NHT?
cabazitaxel
33
What Tx is preferred for metastatic CRPC if no prior docetaxel or novel hormone therapy?
docetaxel, abiraterone, enzalutamide
34
4 novel hormone therapies?
abiraterone enzalutamide apalutamide darolutamide
35
Which novel hormone therapy should be taken with food?
darolutamide
36
Which novel hormone therapy inhibits androgen synthesis? a. abiraterone b. enzalutamide c. apalutamide d. darolutamide
a. abiraterone
37
What is a biomarker for resistance to NHT (enzalutamide and abiraterone)?
androgen receptor splice variant 7 (AR-V7) AR-VT + mCRPC will have better outcomes if treated with taxanes
38
2 immunotherapies for metastatic castrate resistant prostate cancer (mCRPC)?
sipuleucel-T | pembrolizumab
39
Which mCRPC immunotherapy is indicated if asymptomatic/minimally symptomatic? a. sipuleucel-T b. pembrolizumab
a. sipuleucel-T
40
Which mCRPC immunotherapy is indicated if MSI-H or dMMR? a. sipuleucel-T b. pembrolizumab
b. pembrolizumab
41
What Tx is used for symptomatic bone metastasis?
radium 223 regardless if prior docetaxel or not
42
___ is a taxane derivative that binds to tubulin and inhibits microtubule depolymerization
cabazitaxel reserved for after failing docetaxel
43
What drug is used for palliation of symptoms in pts who cannot tolerate other therapies?
mitoxantrone cardiotoxicity no improvement in survival
44
Cabazitaxel causes significant __ and diarrhea
neutropenia
45
Which PARP inhibitor is used for HRR gene mutated mCRPC? a. olaparib b. rucaparib
a. olaparib
46
Which PARP inhibitor is used for BRCA + mCRPC? a. olaparib b. rucaparib
b. rucaparib