Human Immunodeficiency Virus Book

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Integrase Strand Transfer Inhibitor

Aka: Integrase Strand Transfer Inhibitor, Integrase Inhibitor, Raltegravir, Isentress, InSTI, RAL, Bictegravir, Biktarvy, Dolutegravir, Tivacay, Cabotegravir, Vocabria, Cabenuva
  1. See Also
    1. Anti-Retroviral Therapy
  2. Class
    1. Anti-retroviral agent
    2. Integrase Strand Transfer Inhibitor
  3. Mechanism
    1. Integrase Strand Transfer Inhibitor prevents viral DNA from integrating into host DNA
      1. Blocks the integrase enzyme
  4. Indications
    1. Anti-retroviral naive patients
    2. Anti-retroviral experienced patients
  5. Preparations: Single Agents
    1. Bictegravir (Biktarvy)
    2. Dolutegravir (Tivacay)
    3. Cabotegravir (Vocabria)
      1. Available as oral agent, as well as monthly IM Injection (administered as part of Cabenuva)
    4. Raltegravir (Isentress)
      1. Dose: One 400 mg tablet orally twice daily
  6. Preparations: Cabenuva (Cabotegravir and Rilpivirine)
    1. Cabenuva combines Integrase Inhibitor and Non-Nucleoside Reverse Transcriptase Inhibitor (NNRTI)
      1. Integrase Inhibitor: Cabotegravir
      2. Non-Nucleoside Reverse Transcriptase Inhibitor (NNRTI): Rilpivirine)
    2. Dosing
      1. Two Intramuscular Injections in gluteal muscle (one for each drug) once monthly
      2. Administered in clinic, at $4000 per month
      3. Requires one month of oral "lead-in" daily therapy to evaluate tolerability before IM Injection
    3. Efficacy
      1. Appears as effective as triple therapy combinations
    4. Drug Interactions
      1. Less effective when combined with CYP 3A4 inducers (e.g. Phenytoin)
    5. References
      1. Orkin (2020) N Engl J Med 382(12):1124-35 [PubMed]
      2. Swindells (2020) N Engl J Med 382(12):1112-23 [PubMed]
      3. (2021) presc lett 28(3): 18
  7. Efficacy
    1. Drug resistance is common
  8. Adverse Effects: Raltegravir
    1. Diarrhea
    2. Nausea
    3. Headache
    4. Serum Creatinine phosphokinase (CPK) increases
    5. Mild Serum Creatinine increase without affecting Renal Function (Dolutegravir)
    6. Myopathy
    7. Rhabdomyolysis
    8. Insomnia
  9. Drug Interactions
    1. Typically fewer Drug Interactions than other Anti-Retroviral Agents
    2. Phenytoin
    3. Rifampin
    4. St John's Wort
    5. Avoid taking at the same time as Calcium, Magnesium, aluminum and iron containing agents
  10. References
    1. (2009) Treat Guidel Med Lett 7(78): 11-22 [PubMed]
    2. Reust (2011) Am Fam Physician 83(12): 1443-51 [PubMed]
Medication Costs
isentress (on 2/22/2017 at Medicaid.Gov Pharmacy Drug pricing)
ISENTRESS 400 MG TABLET $22.34 each
ral (on 5/17/2017 at Medicaid.Gov Pharmacy Drug pricing)
RALOXIFENE HCL 60 MG TABLET Generic $1.24 each
FPNotebook does not benefit financially from showing this medication data or their pharmacy links. This information is provided only to help medical providers and their patients see relative costs. Insurance plans negotiate lower medication prices with suppliers. Prices shown here are out of pocket, non-negotiated rates. See Needy Meds for financial assistance information.

Integrase Inhibitors (C0376601)

Definition (MSH) Compounds which inhibit or antagonize biosynthesis or actions of integrase.
Concepts Pharmacologic Substance (T121) , Biologically Active Substance (T123)
MSH D019429
SnomedCT 427965001, 428617003
English Inhibitors, Integrase, INTEGRASE INHIB, INHIB INTEGRASE, Integrase strand transfer inhibitor (substance), Integrase inhibitor, Integrase strand transfer inhibitor (product), Integrase strand transfer inhibitor, Integrase Inhibitors, integrase inhibitors, integrase inhibitor
French Inhibiteurs de l'intégrase
Swedish Integrashämmare
Czech integrasa - inhibitory
Finnish Integraasinestäjät
Russian INTEGRAZY INGIBITORY, ИНТЕГРАЗЫ ИНГИБИТОРЫ
Spanish inhibidor de la integrasa, inhibidor de la transferencia de cadenas por la integrasa (sustancia), inhibidor de la transferencia de cadenas por la integrasa, inhibidor de la transferencia de cadenas por la integrasa (producto), Inhibidores de Integrasa
Polish Inhibitory integrazy
Japanese インテグラーゼ阻害剤, インテグラーゼインヒビター
German Integrase-Inhibitoren
Italian Inibitori dell'integrasi
Portuguese Inibidores de Integrase
Sources
Derived from the NIH UMLS (Unified Medical Language System)


raltegravir (C1871526)

Definition (NCI) A small molecule with activity against human immunodeficiency virus (HIV). Raltegravir is an integrase inhibitor that blocks the integration of the viral genome into the host DNA, a critical step in the pathogenesis of HIV.
Concepts Pharmacologic Substance (T121) , Nucleic Acid, Nucleoside, or Nucleotide (T114)
MSH C507898
SnomedCT 429707008, 429368003
LNC LP102418-3, MTHU036457
English Raltegravir (substance), Raltegravir, Raltegravir (product), N-(2-(4-(4-Fluorobenzylcarbamoyl)-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)propan-2-yl)-5-methyl-1,3,4-oxadiazole-2-carboxamide, raltegravir, RALTEGRAVIR
Spanish raltegravir (producto), raltegravir, raltegravir (sustancia)
Sources
Derived from the NIH UMLS (Unified Medical Language System)


dolutegravir (C3253985)

Concepts Organic Chemical (T109) , Pharmacologic Substance (T121)
MSH C562325
LNC LP157327-0, MTHU045713
English dolutegravir, (4R,9aS)-5-hydroxy-2-methyl-6,10-dioxo-3,4,6,9,9a,10-hexahydro-2H-1-oxa-4a,8a-diaza-anthracene-7-carboxylic acid- 2,4 difluorobenzylamide, 2H-Pyrido(1',2':4,5)pyrazino(2,1-b)(1,3)oxazine-9- carboxamide, N-((2,4-difluorophenyl)methyl)-3,4,6,8,12,12a- hexahydro-7-hydroxy-4-methyl-6,8-dioxo-, (4R,12aS)-, Dolutegravir, antiretrovirals dolutegravir, dolutegravir (medication), DOLUTEGRAVIR
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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