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Anti-Retroviral Therapy ART
hiv/aids
49
Pharmacology
Graduate
09/07/2011

Additional Pharmacology Flashcards

 


 

Cards

Term
Didanosine
(ddI)/
Videx EC
(generic available; dose same as Videx EC)
Definition
NRTI

Videx EC 125-, 200-, 250-, 400-mg capsules
Buffered tablets (non-EC) no longer available

Videx
10-mg/mL oral solution

Body weight ≥60kg:400 mg once daily*
With TDF: 250 mg once daily

Body weight <60kg:250 mg once daily*
With TDF: 200 mg once daily

Take 1/2 hour before or 2 hours after a meal
*Preferred dosing with oral solution is BID (total daily dose divided into 2 doses)
Term
Emtricitabine
(FTC)/
Emtriva
Definition
NRTI

Emtriva
-200-mg hard gelatin capsule
-10-mg/mL oral solution

Emtriva
Capsule: 200 mg once daily
Oral solution: 240 mg
(24 mL) once daily

Take without regard to meals

Also available as:Atripla (FTC 200 mg + EFV 600 mg + TDF 300 mg and Truvada (FTC 200 mg + TDF 300 mg)
Term
Abacavir
(ABC)/
Ziagen
Definition
NRTI

Ziagen
- 300-mg tablets
- 20-mg/mL oral solution
Ziagen
300 mg BID or
600 mg once daily
Take without regard to meals
Also available as: Epzicom (ABC 600 mg +
3TC 300 mg) and Trizivir(ABC 300 mg + ZDV 300 mg + 3TC 150 mg)
Term
Lamivudine
(3TC)/
Epivir
Definition
NRTI

Epivir
150-, 300-mg tablets
10-mg/mL oral solution

Epivir
150 mg BID or
300 mg once daily

Take without regard to meals

aLOS AVAILABLE AS: Combivir, Trizivir, and Epzicom
Term
Stavudine
(d4T)/
Zerit
Definition
NRTI

Zerit
• 15-, 20-, 30-, 40-mg capsules
• 1-mg/mL oral solution

Body weight ≥60 kg:
40 mg BID

Body weight <60 kg:
30 mg BID*

Take without regard to meals

*WHO recommends 30 mg BID dosing regardless of body weight.
Term
Tenofovir Disoproxil Fumarate (TDF)/
Viread
Definition
NRTI

Viread
300-mg tablet

Viread
1 tablet once daily

Take without regard to meals
Term
Zidovudine
(ZDV)/
Retrovir (generic available; dose same as retrovir)
Definition
NRTI

Retrovir
• 100-mg capsules
• 300-mg tablets
• 10-mg/mL intravenous solution
• 10-mg/mL oral solution

Retrovir
300 mg BID or
200 mg TID

Take without regard to meals
Term
Delavirdine (DLV)/ Rescriptor
Definition
nnrti

100-, 200-mg tablets

400 mg TID (Four 100-mg tablets can be dispersed in >3 oz. of water to produce a slurry; 200-mg tablets should be taken as intact tablets.)
Term
Efavirenz (EFV)/ Sustiva
Definition
NNRTI

• 50-, 200-mg capsules
• 600-mg tablets

600 mg once daily at or before bedtime

Take on an empty stomach to reduce side effects
Term
Etravirine (ETR)/ Intelence
Definition
NNRTI

• 100-mg tablets
• 200-mg tablets

200 mg BID

Take following a meal
Term
Nevirapine (NVP)/ Viramune
Definition
NNRTI

• 200-mg tablets
• 50-mg/5-mL oral suspension

200 mg once daily for 14 days (lead-in period); thereafter, 200 mg BID Take without regard to meals

Repeat lead-in period if therapy is discontinued for >7 days

In patients who develop mild to moderate rash without constitutional symptoms, continue lead-in period until rash resolves but no longer than 28 days total.
Term
Atazanavir (ATV)/ Reyataz
Definition
PI

100-, 150-, 200-, 300-mg capsules

ARV-naïve patients:
400 mg once daily or (ATV 300 mg + RTV 100 mg) once daily

With TDF or for ARV-experienced patients:
(ATV 300 mg + RTV 100 mg) once daily

With EFV in ARV-naïve patients:
(ATV 400 mg + RTV 100 mg) once daily
Term
Darunavir (DRV)/ Prezista
Definition
PI

75-, 150-, 300-, 400-, 600-mg tablets

ARV-naïve patients or ARV-experienced patients with no DRV mutations:
(DRV 800 mg + RTV 100 mg) once daily

ARV-experienced patients with at least one DRV mutation:
(DRV 600 mg + RTV 100 mg) BID

Unboosted DRV is not recommended
Term
Fosamprenavir (FPV)/
Lexiva (a prodrug of amprenavir [APV])
Definition
PI

• 700-mg tablet
• 50-mg/mL oral suspension

ARV-naïve patients:
• FPV 1,400 mg BID or
• (FPV 1,400 mg + RTV 100–200 mg) once daily or
• (FPV 700 mg + RTV 100 mg) BID

PI-experienced patients (once-daily dosing not recommended):
•(FPV 700 mg + RTV 100 mg) BID

With EFV:
• (FPV 700 mg + RTV 100 mg) BID or
• (FPV 1,400 mg + RTV 300 mg) once daily

Tablet: Take without regard to meals (if not boosted with RTV tablet)

Suspension: Take without food
FPV w/RTV tablet: Take with meals
Term
Indinavir
(IDV)/
Crixivan
Definition
PI

100-, 200-, 400-mg capsules

800 mg every 8 hrs
Take 1 hour before or 2 hours after meals; may take with skim milk or low-fat meal

With RTV:
(IDV 800 mg + RTV 100–200 mg) BID
Term
Lopinavir + Ritonavir (LPV/r)/
Kaletra
Definition
PI

Tablets:
(LPV 200 mg + RTV 50 mg) or
(LPV 100 mg + RTV 25 mg)
Oral solution: Each 5 mL contains (LPV 400 mg + RTV 100 mg)
Oral solution contains 42% alcohol

LPV/r 400-mg/100-mg BID
or
LPV/r 800-mg/200-mg once daily
Term
Nelfinavir (NFV)/ Viracept
Definition
PI

250-, 625-mg tablets
• 50-mg/g oral powder
1,250 mg BID or
750 mg TID
May dissolve tablets in a small amount of water; once dissolved, patients should mix the cloudy liquid well and consume it immediately.
Term
Ritonavir (RTV)/ Norvir
Definition
PI

• 100-mg soft gel capsules
• 100-mg tablets
• 80-mg/mL oral solution
Oral solution contains 43% alcohol

As pharmacokinetic booster for other PIs: 100–400 mg per day in 1–2 divided doses
Term
Saquinavir tablets and hard gel capsules
(SQV)/ Invirase
Definition
PI

500-mg tablets

• 200-mg hard gel capsules
(SQV 1,000 mg + RTV 100 mg) BID

Unboosted SQV is not recommended.
Term
Tipranavir (TPV)/ Aptivus
Definition
PI

• 250-mg capsules
• 100-mg/mL oral solution

(TPV 500 mg + RTV 200 mg) BID

Unboosted TPV is not recommended.
Term
Raltegravir (RAL)/ Isentress
Definition
Integrase Inhibitor

400 mg tablets

400 mg BID
With rifampin: 800 mg BID
Term
Enfuvirtide (T20)/ Fuzeon
Definition
Fusion Inhibitor

• Injectable—supplied as lyophilized powder
• Each vial contains 108 mg of T20; reconstitute with 1.1mL of sterile water for injection for delivery of approximately 90mg/1mL.

90 mg (1mL) subcutaneously BID
Term
Maraviroc (MVC)/ Selzentry
Definition
CCR5 Antagonist

150-, 300-mg tablets

• 150 mg BID when given with strong CYP3A inhibitors (with or without CYP3A inducers) including PIs (except TPV/r)
• 300 mg BID when given with NRTIs, T-20, TPV/r, NVP, RAL, and other drugs that are not strong CYP3A inhibitors or inducers
• 600 mg BID when given with CYP3A inducers, including EFV, ETR, etc. (without a CYP3A inhibitor)
Term
WHY IS SUSTIVA GIVEN A BEDTIME?
Definition
CAUSES SLEEPINESS
Term
WHAT ALLOWS THE FREE HIV TO BIND TO CELL
Definition
GLYCOPROTEIN
Term
PREVENT HIV GENETIC MATERIAL FROM INTEGRATING INTO CD4 CELL, THUS STOPPING VIRAL REPLICATION
Definition
INTEGRASE INHIBITOR

ISENTRESS (raltegravir)
Term
bind tightly to reverse transcriptase which prevent viral RNA from converting to viral DNA
Definition
NNRTI
Term
Prevents the enzyme protease from cutting the virus into shorter pieces that it needs to make copies of itself
Definition
Protease Inhibitors (PIs)
Term
Work by incorporating itself into viral DNA, MAKING IT INEFFECTIVE
Definition
NRTIs
Term
Prevents entry into CD4 cells
Definition
Entry Inhibitors

Fuzeon (enfuvirtide)
Maraviroc (Selzentry)
Term
What is Norvir used for?
Definition
Used for boosting other PIs b/c it is a potent inhibitor of CYP3A4
Term
HOW SHOULD RITONAVIR CAPSULES AND TABLETS BE STORED?
Definition
CAPSULES-REFRIGERATED
TABLETS -SHELF
Term
"POWER HOUSE' PIs
Definition
Kaletra, Reyataz, Darunavir, Fosamprenavir
Term
ADR of ART?
Definition
Hepatotoxicity
pancreatitis
peripheral neuropathy
lactic acidosis
hyperglycemia
hyperlipidemia
lipodystrophy (weight loss or weight gain)
N/V & diarrhea
Dermatologic rxn
Term
Level for undetectable viral load
Definition
below 48 copies/mL
Term
Normal CD4 level
Definition
1000-1500 or greater
Term
Symptoms of acute HIV infx
Definition

muscle aches

lymphatenopathy

fever of unkown origin

flu-like sx

Term
What CD4 level does opportunistic infx occur
Definition
Below 350
Term
Tests used to confirm HIV
Definition
ELISA (enzyme-linked immunosorbent assay)
Western Blot
Term
Monitoring therapy/tests for ALL HIV patients
Definition
CD4 count
Viral load
Term
Transmission of HIV
Definition
SEXUAL
PARENTERAL
PERINATAL (VERTICAL TRANSMISSION)
Term
What test should be done before ABC can be given
Definition
HLA-B*5701
Term
Normal ALT and AST values
Definition
ALT =5-40 U/L
AST 5-30 U/L
Term
Hepatotoxicity can occur within how many weeks of nevirapine(Viramune) therapy?
Definition
18 weeks
Term
Hepatotoxicity can occur within how many weeks of nevirapine(Viramune) therapy?
Definition
18 weeks
Term
NNRTI Black Box Warning
Definition
Hepatoxicity
Term
NRTI Black Box Warning
Definition
Lactic Acidosis with hepatic steatosis
Term
Why should Simvastatin never be used with PIs
Definition
Levels of simvastatin increase by 400 %
Term
Term for WBC in the urine
Definition
pyuria
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