Pharm (TB / Anemia / Immunomodulation) Flashcards
3 Principles of [TB / NTM] tx
MID
- MultiDrug Therapy should be used: Enhances response rate and [DEC Resistance]
- INC Tx Adherence: [use short therapy course] & [DOT: Direct Observed therapy]
- Duration of tx: needs to be adequate to ensure INC cure and [DEC relapse]
Isoniazid
A: Clinical Use
B: MOA
C: Static or Cidal?
A: [1st Line Tx for ACTIVE Pulmonary TB used in combination with 2 other active drugs]
B: Prodrug; activated by [TB katG-catalase peroxidase] and targets [inhA gene product] โ> [DEC Cell Wall Mycolic Acid]
(mutations in any of these genes โ> TB Resistance to tx)
C: [Cidal for replicating organisms] / [Static for resting organisms]
Rifampin
A1: Disclaimer for this drug
A2: 2 exceptions to the Disclaimer
B: MOA
C: Contraindications (4)
A: Can NOT be used alone as an abx b/c of rapid resistance development
A2: LTBI (Latent TB infection) or [meningitis px]
B: Inhibits [rpoB gene] โ> Inhibits [DNA-dependent RNA polymerase]
C: Interacts with >100 drugs but specifically [Accelerates clearance and DEC effectiveness of CAAE:
- Coumadin
- Estrogen
- Anticonvulsants
- AntiRetroviral drgus
Ethambutol
A: Toxicity
B: Clinical use
A:
- Optic Neuritis
- Peripheral Neuropathy (less common)
B: [1st Line โhelperโ TB therapy] - helps other drugs
PyraZinAmide
A1: Clinical Use
A2: single or combination tx
B: MOA
C: Toxicity
D: Good or Poor Distribution?
A1: [TB Drug for 1st two months of therapy only]
A2: Combination
B: Prodrug; activated by [TB pyrazinamidase thtโs encoded by [pncA]
C: Hepatitis
D: Good Distribution; especially in CSF
A: Describe [1ยฐ Resistance] vs. [2ยฐ Resistance]
B: What is the โpatternโ for Resistance development for 2 drugs?
A:
[1ยฐ resistance is acquired at infection (drug resistant TB)]
vs.
[2ยฐ resistance - which develops during (SubOptimal TB tx)]
B: Risk of resistance development to 2 drugs= Risk of resistance development to each drug separately (their product)
A: Define [MDR-TB] MultiDrugResistance TB
B: Resistance to which of those eliminates ability to use [short 6 month course for TB]
A: Resistance to both Isoniazid and Rifampin
B: Rifampin
A: 4 Drug Regimen for TB Tx
B: Which drugs make up the Initial Phase
C: Which drugs make up the Continuation Phase
A: RIPE- Rifampin/ Isoniazid/ PyraZinAmide/ Ethambutol
B: Initial Phase = RIPE
C: Continuation Phase= ( R I )Ethambutol not needed if pt is not resistant to anything
A: Tx Course (Time) for TB
B: What 3 factors make this tx course successful
A: [2-3 times /week with DOT(Direct Observed Therapy)]
for 6 months โ>
B: Success if:
1) STRONG adherence
2) Sputum cultures convert in 2 mos.
3) No major cavitary lung dz
A: Define [XDR-TB] (eXtensively Drug Resistant TB)
B: What is the fundamental strategy to TB tx (2)
A: [XDR-TB] (eXtensively Drug Resistant TB) = Resistance to
- Isoniazid
- Rifampin
- Fluoroquinolone
- 1 injectable (-kacin)
B: Only use drugs never used in that pt before and use [2 drugs that are effective against ptโs particular TB strain]
LTBI (Latent TB Infection) [Treatment Regimens] (3)
- [9 mo. Isoniazid Monotherapy] = HIGHLY EFFECTIVE
- [4 mo. Rifampin daily therapy]= just as effective as #1
- [3 mo / 12 dose / once weekly / DOT: Isoniazid + Rifapentene]= just as effective as #1
[T or F]
[Leprosy Tx] is Similar to [TB Tx]
FALSE!!
Leprosytx is DIFFERENT THANTB Tx
Oral Iron Therapy
- A: Examples (3)*
- B: Route of Administration*
- Ferrous Sulfate
- Ferrous Gluconate
- Ferrous Fumarate
B: PO
Parenteral Iron Therapy
- A: Examples (3)*
- B: Route of Administration (2)*
- iron dextran
- iron sucrose
- iron gluconate
B: IM / IV
Vitamin B 12 Supplement
- A: Examples (3)*
- B: Route of Administration (3)*
- CyanoCobalamin = IM
- HydroxyCobalamin = IM
- [Oral Supplement (Oral only)]
EPO (Erythropoietin)
A: Route of Administration (2)
IV / [SubQ injection]
[Recombinant Human IL 11]
- A: Examples (1)*
- B: MOA*
- Oprelvekin
B: Promotes proliferation of [megakaryocytic progenitors] to INC [peripheral platelet count]
Oral Iron Therapy
A: MOA
B: Indication
A: INC Iron levels QUICKLYโ>[Anemia reversal in 1-3 months]
B: Iron Deficiency Anemia
Oral Iron Therapy
Side Effects (2)
- N/V
- Black Stools
Parenteral Iron Therapy
A: MOA
B: Indication (3)
A: INC Serum iron
B:
1) When Oral Iron is NOT tolerated
2) POST GI Resection
3) MalAbsorption syndromes
Parenteral Iron Therapy
Side Effects (4)
- Pain
- [Tissue Staining when IM]
- Anaphylaxis
- N/V
Deferoxamine / DeferaSirox
A: MOA
B: Indication
A: Iron Chelation (removal)
B: REVERSES Iron Toxicity
Vitamin B 12 Supplement
Indications (2)
- B 12 Deficiency
- Folic Acid Deficiency (also requires oral folic acid)
EPO (Erythropoietin)
Indications (7)
Use EPO for CLACHAP
- Chronic Renal Failure
- [Aplastic Anemia]
- Leukemia
- HIV/AIDS
- Cancer
- Phlebotomy-post
- [Anemia of Prematurity]
EPO (Erythropoietin)
- A: Prognosis after usage (2)*
- B: Side Effects (3)*
[Retics seen in 10 days]
[HgB INC in 2-6 weeks]
B:
1) Many Tumors have EPO Receptors = EPO may INC Tumor Progression!
2) HTN
3) Thrombosis
G(M)CSF
MOA (2)
- Stimulates proliferation/differentiation of myeloid cells
- GMCSF specifically stimulates proliferation of erythroid and megakaryocytic cells
G(M)CSF
Indications (3)
- Post Chemo
- Neutropenia tx
- Mobilizes peripheral blood stem cells for autologous transplant (GCSF)
A: GCSF Side Effects (2)
B: GMCSF Side Effects (3)
C: Which is clinically preferred?
A: Bone pain / Splenic Rupture
B: [Joint & Muscle pain] / [Peripheral Edema] / [Pleural & Pericardial Effusion] โโโโM for Many problemsโ
B: GCSF
[Recombinant Human IL 11]
- A: Indication*
- B: Side Effects (4)*
A: Post Surgical Thrombocytopenia
B:
- Fatigue
- Dyspnea
- Arrhythmias
- hypOkalemia
[Romiplastin and EltromBopag]
A: MOA
B: Indication (2)
A: Thrombopoeitin-Receptor AGONIST
B: Thrombocytopenia / [Aplastic Anemia]
[Romiplastin and EltromBopag]
Side Effects (3)
- [MILD Bone marrow Fibrosis tht looks worse than actually is]
- Myalgia
- HA
Diphenhydramine
A: MOA (2)
B: Indications (3)
C: route of administration (2)
A: [Histamine H1] and [Muscarinic receptor] Blocker
B: [Allergic Rhinitis] / Urticaria / [Anaphylactic rxn]
C: PO / IV
Diphenhydramine
A: Side Effects
B: Classification
A: [Sedation or Agitation] due to [Muscarinic receptor blockade]
B: [1st generation H1 Blocker]
Chlorphenlramine
A: MOA (2)
B: Indications (2)
A: [Histamine H1] and [Muscarinic receptor] Blocker
B: [Allergic Rhinitis] / [Common ingredient for OTC meds]
Chlorphenlramine
A: Side Effects
B: Classification
A: [Slight Sedation or Agitation] due to [Muscarinic receptor blockade]
B: [1st generation H1 Blocker]
Fexofenadine
A: MOA
B: Indications (2)
C: Classification
A: [Histamine H1] Blocker
B: [Idiopathic Chronic Urticaria] / [Allergic Rhinitis]
C: [2nd generation H1 Blocker]
Loratadine
A: MOA
B: Indications (3)
A: [Histamine H1] Blocker
B: [Blood Allergic Rxns]/ [Allergic Rhinitis] / [Anaphylactic rxn adjunct]
Loratadine
A: Side Effects (3)
B: Classification
A: Nausea / Fatigue / HA
B: [2nd generation H1 Blocker]
Cetirizine
A: MOA (2)
B: Indications (2)
A: [Histamine H1 Blocker] + [Histamine Release Blocker]
B: [Idiopathic Chronic Urticaria] / [Allergic Rhinitis]
Cetirizine
A: Side Effects (3)
B: Classification
A: Sedation / Fatigue / [Dry Mouth]
B: [2nd generation H1 Blocker]
Doxepin
A: MOA
B: Indication
C: Side Effects
D: Classification
A: [Histamine H1] Blocker
B: Chronic Urticaria that does not respond to other [H1 Blockers]
C: Disorientation (confusion)
D: [2nd generation H1 Blocker]
[B2 Agonist (short vs. long acting) are _______]
A: Indications (2)
B: Side Effects (3)
[B2 Agonist (short vs. long acting) are BRONCHODILATORS]
A:
1) Bronchospasm in acute asthma attacks
2) Adjunct for [Inhaled Corticosteroids]
B:
x: [Sk. Muscle Tremors]
x: Tachycardia
x: Anxiety
[B2 Agonist (short vs. long acting) are _______]
A: MOA (2)
B: Route of Administration (3)
[B2 Agonist (short vs. long acting) are BRONCHODILATORS]
A:
1) Stimulates Adenylate Cyclaseโ> INC cAMPโ> Bronchodilation
2) Blocks mast cell degranulation
B: Inhale / PO / SubQ (Terbutaline only)
[Theophylline is a _______]
A: MOA (2)
B: Route of Administration (2)
[Theophylline is a BRONCHODILATOR]
A:
1) Inhibits [cAMP Phosphodiesterase]
2) [Adenosine Receptor competitive Blocker]
B: PO / [Slow IV over 40 min]
[Theophylline is a _______]
A: Indication (2)
B: Side Effects (4)
[Theophylline is a BRONCHODILATOR]
A:
1) Chronic Asthma Maintenance (3rd Line)
2) Sustained release oral therapy
B:
x: [Narrow Therapeutic Window]
x: Convulsions
x: Tachycarida
x: [Circulatory Collapse]
[Ipratropium is a _______]
A: MOA
B: Route of Administration
[Ipratropium is a BRONCHODILATOR]
A: [Airway Muscarinic Receptor Competitive Blocker]
B: Inhale
[Ipratropium is a _______]
A: Indication (2)
B: Side Effect
[Ipratropium is a BRONCHODILATOR]
A:
1) Acute Asthma (alone or with [B2 agonist] )
2) Asthmatic pt w/ [chronic bronchitis or cough]
B: [High Dose โ> Atropine like effects]
[Corticosteroids is an _______]
A: MOA
B: Route of Administration (3)
[Corticosteroids is an Anti-Inflammatory]
A: DEC [Arachidonic acid synthesis] โ> Inhibits release of PGE2 and Leukotrienes
B: Inhale / PO / IV
[Corticosteroids is an _______]
Indication
[Corticosteroids is an Anti-Inflammatory]
Chronic Asthma Maintenance (Reduces frequency/severity of asthma attacks by treating underlying inflammation)
[Corticosteroids is an _______]
Side Effects
A: Short term (4)
B: Long term (5)
[Corticosteroids is an Anti-Inflammatory]
A: INC energy / insomnia / hunger / mood changes
B: Osteoporosis / Cataracts / Myopathy / [Pituitary adrenal axis suppresion] / Depression
[MonteLUKAST / ZafirLUKAST are _______]
A: MOA
B: Route of Administration
[MonteLUKAST / ZafirLUKAST are [Leukotriene Inhibitors] ]
A: [LTD4 and LTE4 Receptor Blockers]
B: PO
[Cromolyn is an _______]
A: Indication (3)
B: Side Effect
[Cromolyn is an Anti-Inflammatory]
A:
1) Bronchospasm Px
2) Exercise Pre-Tx
3) Cold Air Pre-Tx
B: Cough-occasional
[MonteLUKAST / ZafirLUKAST are _______]
A: Indication (3)
B: Side Effect (2)
[MonteLUKAST / ZafirLUKAST are [Leukotriene Inhibitors] ]
A:
1) Bronchospasm Px
2) [ASA induced asthma]
3) [Cold Air Pre-Tx]
B:HA / Nausea
[Zileuton is a _______]
A: MOA
B: Route of Administration
[Zileuton is a [Leukotriene Inhibitor] ]
A: Inhibits [5-LipoOxygenase] โ> DEC Leukotriene production
B:PO
[Zileuton is a _______]
A: Indication (2)
B: Contraindication
[Zileuton is a [Leukotriene Inhibitor] ]
A:
1) Bronchospasm Px
2) [ASA / Exercise / Antigen induced asthma]
B:pts with Hepatic dz
A: Most effective single agent for allergic rhinitis
B: What should you add if this isnโt effective by itself?
A: Glucocorticoid Nasal Sprays
B: [Antihistamine nasal spray]
If a pt is refractory to [Glucocorticoid nasal spray] but has asthma (or nasal polyposis), which medication may be helpful for them?
MonteLUKAST