Lung Cancer Flashcards
Calvert equation for carboplatin dosing
Total dose (mg)= (AUC) * (CrCl+25)
When to use IBW vs. ABW vs. AdjABW in CrCl formula
Use AdjABW when ABW/IBW >1.2
Use IBW when ABW/IBW <1.2
Use ABW when ABW < IBW
Lung cancer immunotherapy-related AE grade treatment plan: Grade 1
continue immunotherapy
Lung cancer immunotherapy-related AE grade treatment plan: Grade 2
hold immunotherapy and CONSIDER corticosteroid administration
Lung cancer immunotherapy-related AE grade treatment plan: Grade 3 and higher
hold immunotherapy and administer corticosteroid
Lung cancer immunotherapy-related AE grade treatment plan: refractory cases
Add infliximab, MMF
Corticosteroid dosing
Prednisone 0.5-2mg/kg/day or equivalent until resolution to Grade 1 followed by taper over at least 1 month
NSCLC treatment goal: Stages I and II
Cure!
Stage 1 NSCLC treatment
surgery and surveillance
Stage 2 NSCLC treatment
surgery, adjuvant therapy
NSCLC adjuvant therapy (mainstay of treatment)
Platinum-based regimen x4 cycles
Platinum-based regimens
Cisplatin/etoposide
Cisplatin/vinorelbine
Carboplatin/paclitaxel
Cisplatin/pemetrexed
Platinum-based regimens are for what kind of histology?
Nonsquamous
Cisplatin and carboplatin AEs
Myelosuppression
N/V/D
Constipation
Mucositis
Alopecia
Nephrotoxicity
Ototoxicity
Peripheral neuropathy
Carboplatin has less what compared to cisplatin (in terms of AEs)
N/V, nephrotoxicity, ototoxicity, peripheral neuropathy
Cisplatin nephrotoxicity
Hypokalemia, hypomagnesmia
Carboplatin myelosuppression
Thrombocytopenia
Adjuvant therapy in EGFR+ NSCLC
osimertinib for up to 3 years or until disease progression or unacceptable toxicity
Adjuvant therapy in PD-L1 ≥1% NSCLC
Atezolizumab following completion of platinum-based chemo x1 year
Neoadjuvant therapy for NSCLC for operable, but difficult to resect tumors
Platinum-based regimen +/- nivolumab x4 cycles
Radiation therapy in NSCLC
Reserved in conjunction with chemo (platinum-based) in patients who are medically inoperable
Positive margins after initial resection if unable to undergo resection
Concurrent rather than sequential chemo is preferred
NSCLC treatment goals: Stages III and IV
prolongation of survival
Stage IIIA NSCLC treatment
Neoadjuvant chemo +/- nivolumab x4 cycles followed by surgery or RT
Adjuvant osimertinib (EGFR+) or atezolizumab (PD-L1 ≥1%) similar to stage II
Concurrent chemoradiotherapy for non-surgical candidates
Stage IIIB-IIIC NSCLC treatment
Considered UNRESECTABLE DISEASE
Concurrent chemoradiation is the mainstay for up to 6 cycles or until progression or unacceptable toxicity
Durvalumab maintenance x1 year upon response to chemoradiotherapy
Stage IV NSCLC: targetable genetic mutation treatment
Kinase inhibitor targeted to the mutation
Stage IV NSCLC: PD-L1 positive ≥1%
PD-1/PD-L1 inhibitor +/- chemo
Stage IV NSCLC: PD-L1 <1%
PD-1/PD-L1 inhibitor + chemo
PD-L1+ and Nonbiomarker Driven NSCLC treatment: PD-L1 ≥50%
pembrolizumab, atezolizumab, cemiplimab
PD-L1+ and Nonbiomarker Driven NSCLC treatment: PD-L1 1-49% or <1% with squamous histology
cisplatin or carboplatin + paclitaxel + pembrolizumab OR nivolumab AND ipilimumab
PD-L1+ and Nonbiomarker Driven NSCLC treatment: PD-L1 1-49% or <1% with nonsquamous histology
cisplatin or carboplatin + pemetrexed + pembrolizumab OR nivolumab AND ipilimumab
PD-L1+ and Nonbiomarker Driven NSCLC treatment: PD-L1 1-49% or <1% with squamous histology AND CIs EXIST
Cisplatin + gemcitabine
PD-L1+ and Nonbiomarker Driven NSCLC treatment: PD-L1 1-49% or <1% with nonsquamous histology AND CIs EXIST
Carboplatin + pemetrexed
SCLC treatment goal: limited stage
cure
SCLC treatment goal: extensive stage
prolongation of survival
First-line treatments for limited stage SCLC
Cisplatin OR carboplatin PLUS etoposide
First-line treatments for extensive stage SCLC
Cisplatin OR carboplatin PLUS atezolizumab OR durvalumab
Osimertinib AEs
Skin rash
Dry skin
Diarrhea
Fatigue
Stomatitis
Nail toxicity
Myelosuppression
QTc prolongation
Conjunctivitis (rare)
Osimertinib clinical pearls (4 of them: CNS activity, tolerability, substrate of what CYP enzyme, pH-dependent absorption?)
Improved CNS activity compared to other EGFR targeting agents
Tolerability is better compared to other EGFR targeting agents
CYP3A4 substrate
No pH-dependent absorption
ALK inhibitors (just the drugs)
Brigatinib, alectinib, lorlatinib
Brigatinib AEs
Diarrhea
Fatigue
Interstitial lung disease/pneumonitis
Myalgia
HTN
Brigatinib clinical pearls (4 of them: it vs. chemo, substrate of what CYP enzyme, pH-dependent absorption, dose reduction)
Demonstrated to be superior to chemo
2nd and 3rd gen > 1st gen
CYP3A4 substrate
No pH-dependent absorption
Dose reduction required for severe renal and hepatic impairment
Alectinib AEs
Constipation
Fatigue
LFT abnormalities
Peripheral edema
Myalgia
Anemia
Alectinib pearls (4: it vs. chemo, substrate of what CYP enzyme, pH-dependent absorption, dose reduction)
Demonstrated to be superior to chemo
2nd and 3rd gen > 1st gen
CYP3A4 substrate
No pH-dependent absorption
Dose reduction required for severe hepatic impairment
Lorlatinib AEs
Fatigue
Peripheral edema
Mood disorders
Neuropathy
Cognitive effects
Arthralgia
Dyslipidemia/weight gain
Lorlatinib pearls (5 of them: it vs. chemo, substrate of what enzymes, pH dependent absorption, CNS activity, dose reduction)
Demonstrated to be superior to chemo
2nd and 3rd gen > 1st gen
CYP3A4 and P-gp substrates
No pH-dependent absorption
Better CNS penetration, so more cognitive AEs
Dose reduction required for severe renal impairment
KRAS inhibitors
Sotorasib, adagrasib
Sotorasib AEs
Diarrhea
Nausea
Fatigue
LFT abnormalities
Musculoskeletal pain
Decreased Hgb/lymphocytes
Sotorasib pearls (2: substrate and inhibitor of what enzymes, DDI with PPI and H2RAs)
CYP3A4 substrate, strong P-gp inhibitor
Avoid coadministration with PPIs and H2RAs (4 hours before, 10 hours after)
Adagrasib AEs
Same as sotorasib, plus
Renal impairment
Edema
QT prolongation
Interstitial lung disease/pneumonitis
Adagrasib pearls (3: substrate of what, inhibitor of what, pH-dependent absorption)
CYP3A4 substrate; inhibits its own metabolism at Css
Moderate CYP2B6, 2C9, P-gp inhibitor
No pH-dependent absorption
VEGF inhibitors
Bevacizumab, ramucirumab
AEs of VEGF inhibitors
Acute: HTN
Delayed: thromboembolic events, epistaxis, major bleeds, GI perforation, proteinuria, diarrhea (ramucirumab)
VEGF inhibitor pearls (avoid in what?)
Avoid Avastin in patients with squamous histology
Avoid in patients with recent hemoptysis, on therapeutic anticoagulation for new onset VTE, recent surgical procedure
Taxanes used in NSCLC
Paclitaxel, docetaxel
Taxane AEs
Myelosuppression
Alopecia
Peripheral neuropathy (premedicate with 8mg dexa BID day before, day of, and day after infusion of docetaxel)
Mucositis
Diarrhea
N/V
Hypersensitivity reaction: premedicate with dexa, famotidine, diphenhydramine
Taxane and CYP enzymes
CYP3A4 substrate; paclitaxel is a 2C8 substrate too
Pemetrexed AEs
Myelosuppression
Erythematous/pruritic skin rash
Fatigue
Diarrhea
N/V
Pemetrexed pearls (4: CrCl, NSAIDs, folic acid and B12, dexamethasone)
Avoid if CrCl <45ml/min
NSAIDs decrease clearance
Folic acid and B12 supplementation
Dexa 4mg BID day before, day of, and day after infusion decreases incidence of skin rash
Etoposide AEs
Myelosuppression
N/V
Stomatitis
Alopecia
Topotecan AEs
Myelosuppression (neutropenia)
N/V/D
Fatigue
Alopecia
Lurbinectedin AEs
Fatigue
Hepatic enzyme elevations
Extravasation
Nausea
Myelosuppression
Increased SCr
Musculoskeletal pain
PD-L1+ and Nonbiomarker Driven NSCLC treatment: PD-L1 >=1-49%
Nivolumab and ipilimumab
Pembrolizumab
PD-L1+ and Nonbiomarker Driven NSCLC treatment: nonsquamous and PD-L1 <1%
Carboplatin + paclitaxel + atezolizumab + bevacizumab