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Emtricitabine with rilpivirine and tenofovir disoproxil oral

Presentation

Oral formulations of emtricitabine with rilpivirine and tenofovir disoproxil

Drugs List

  • emtricitabine 200mg and rilpivirine 25mg and tenofovir disoproxil 245mg film coated tablets
  • EVIPLERA 200mg+25mg+245mg film coated tablets
  • Therapeutic Indications

    Uses

    Non-resistant HIV in adults - viral load <100,000 HIV-1 RNA copies/mL

    Treatment of Human Immunodeficiency Virus 1 (HIV-1) infected adults without known mutations associated with resistance to the non-nucleoside reverse transcriptase inhibitor (NNRTI) class, tenofovir or emtricitabine, and with a viral load of less than or equal to 100,000 HIV-1 RNA copies/mL.

    As with other antiretroviral medicinal products, genotypic resistance testing and/or historical resistance data should guide the use of emtricitabine with rilpivirine and tenofovir disoproxil.

    Dosage

    When one active substance needs to be discontinued or when dosage modification is needed, separate preparations of emtricitabine, rilpivirine hydrochloride and tenofovir disoproxil are available. For further information, refer to the individual summary of products characteristics of these medicinal products.

    As with other antiretroviral medicinal products, genotypic resistance testing should guide the use of this product combination.

    Adults

    1 tablet to be taken every 24 hours with a meal.

    Elderly

    1 tablet to be taken every 24 hours with a meal.

    Additional Dosage Information

    Missed dose
    Over 12 hours
    Do not take missed dose, continue treatment at next scheduled dose.
    Under 12 hours
    Take missed dose as soon as possible and resume normal dosing schedule thereafter.

    Vomiting
    Over 4 hours
    Do not take another tablet until the next scheduled dose.
    Under 4 hours
    Another tablet should be taken with food.

    Contraindications

    Children under 18 years
    Breastfeeding
    Galactosaemia
    Renal impairment - creatinine clearance below 50ml/minute
    Severe hepatic impairment

    Precautions and Warnings

    Elderly
    Glucose-galactose malabsorption syndrome
    Hepatic impairment
    Hepatitis B
    Hepatitis C
    Lactose intolerance
    Osteoporosis
    Pregnancy
    Renal impairment - creatinine clearance 50-80ml/minute

    Therapy cessation not recommended in decompensated liver disease/cirrhosis
    Treatment does not prevent risk of transmission of HIV
    Advise ability to drive/operate machinery may be affected by side effects
    Perform viral resistance testing before initiating therapy
    Treatment should be initiated by doctor experienced in HIV management
    Contains lactose
    Autoimmune disorders can occur many months after initiation of treatment
    Blood lipid and glucose levels may increase requiring treatment
    Monitor renal function in patients with risk factors for renal impairment
    Monitor renal function monthly for 1 year, then 3 monthly thereafter
    Monitor serum phosphate monthly for 1 year, then 3 monthly thereafter
    On discontinuation, may cause recurrence of hepatitis B
    Advise patient to seek medical advice if joint aches or pain occur
    Advise patient to seek medical advice if movement becomes difficult
    Inflammatory symptoms should be evaluated and treated appropriately
    May cause loss of bone mineral density
    Neonate exposed in utero: Risk of mitochondrial dysfunction
    Risk of developing opportunistic infections
    Discontinue if hepatic function deteriorates in pts with hepatic impairment
    Discontinue if severe skin reaction occurs
    Interrupt treatment if creatinine clearance below 50 ml/minute
    Interrupt treatment if serum phosphate decreases to below 1 mg/dL
    Advise patient not to self medicate with antacids or acid suppressants
    Advise patient not to take NSAIDs unless advised by clinician
    Advise patient not to take St John's wort concurrently
    Advise patient grapefruit products may increase plasma level

    Creatinine clearance should be calculated in all patients prior to initiating therapy. Renal function tests (including serum creatinine and serum phosphate) should be taken before treatment begins and also monitored after two to four weeks of treatment, after three months of treatment and every three to six months thereafter in patients without renal risk factors. If deemed necessary, this monitoring should be more frequent in patients with a history of renal impairment or those at risk of renal impairment. However, other sources suggest renal function tests (including serum creatinine and serum phosphate) should be taken before treatment begins and at four-weekly intervals during the first year and every three months thereafter.

    Patients with chronic hepatitis B or C who are treated with combination antiretroviral therapy have an increased risk of developing severe and potentially fatal hepatic adverse effects, and therefore should be closely monitored during treatment. The product literature relating to concurrent treatments for hepatitis B or C should be consulted. Physicians should refer to current HIV treatment guidelines to determine the best treatment for patients co-infected with HIV and hepatitis. Treatment discontinuation is not recommended in patients with advanced liver disease or cirrhosis as post-treatment exacerbation of hepatitis may lead to hepatic decompensation.
    The safety and efficacy of emtricitabine with rilpivirine and tenofovir disoproxil has not been established for the treatment of chronic hepatitis B infection. Limited clinical experience suggests that emtricitabine and tenofovir are active against hepatitis B infection when used in antiretroviral combination therapy to control HIV infection.

    Blood lipid and glucose levels may increase during antiretroviral therapy. This may be linked to disease control and lifestyle. Refer to established HIV treatment guidelines for monitoring and manage lipid and glucose level disorders as appropriate.

    Treatment regimens containing nucleoside or nucleotide analogues have been reported to cause mitochondrial dysfunction in HIV-negative infants exposed in utero and/or post-natally. Adverse reactions such as haematological (anaemia, neutropenia), metabolic (hyperlactataemia, hyperlipasemia) and neurological (hypertonia, convulsions, abnormal behaviour) have been reported. Consider in children exposed to nucleoside or nucleotide analogues in utero (including HIV-negative infants) and who present with neurological symptoms or severe clinical findings of unknown cause.

    Pregnancy and Lactation

    Pregnancy

    Use emtricitabine with rilpivirine and tenofovir disoproxil with caution during pregnancy. It should not be used unless clearly needed.

    There are no clinical data regarding emtricitabine with rilpivirine and tenofovir disoproxil in pregnant women. However, a moderate amount of data in pregnant women indicate no malformations or foetal/neonatal toxicity associated with emtricitabine, rilpivirine and tenofovir disoproxil.

    Studies in animals have shown no reproductive toxicity with emtricitabine, rilpivirine and tenofovir disoproxil and have shown limited placenta passage of rilpivirine. It is not known whether placental transfer of rilpivirine occurs in pregnant women. There was no teratogenicity with rilpivirine in rats and rabbits.

    The use of all medication in pregnancy should be avoided whenever possible; particularly in the first trimester. Non-drug treatments should also be considered. When essential, a medication with the best safety record over time should be chosen, employing the lowest effective dose for the shortest possible time. Polypharmacy should be avoided. Teratogens taken in the pre-embryonic period, often quoted as lasting until 14 to 17 days post-conception, are believed to have an all-or-nothing effect. Where drugs have a short half-life, and when the date of conception is certain, this may allow women to be reassured where drug exposure has occurred within this time frame. Further advice may be available from the UK National Teratology Information Service (NTIS) and through ToxBase, available via password on the internet ( www.toxbase.org ) or if this is unavailable at the backup site ( www.toxbasebackup.org ).

    Lactation

    It is recommended that HIV infected women should not breastfeed due to the risk of passing on the infection to the infant.

    Emtricitabine with rilpivirine and tenofovir disoproxil is contraindicated in breastfeeding.

    Emtricitabine and tenofovir disoproxil are excreted in human breast milk, however it is not known whether rilpivirine is excreted in human milk. There is insufficient information on the effects of emtricitabine, rilpivirine and tenofovir disoproxil in newborn infants, therefore it should not be used during breastfeeding.

    Neonates, infants born prematurely, those with low birth weight, those with an unstable gastrointestinal function or who have serious illnesses may require special consideration. For any infant, if a drug is prescribed to the nursing mother, it should be at the lowest practical dose and for the shortest time. When drug administration is unavoidable and breastfeeding is to continue, minimisation of exposure of the infant to the drug may sometimes be achieved by timing the maternal doses to just after a feeding episode. Infants exposed to drugs via breast milk should be monitored for unusual signs or symptoms. Interactions between the drug received by the infant from the mother's milk and medication prescribed for the infant should also be considered, for example, when the drug given to the infant may prevent metabolism of the drug received via breast milk.
    Specialist advice is available from the UK Drugs in Lactation Advisory Service at https://www.midlandsmedicines.nhs.uk/content.asp?section=6&subsection=17&pageIdx=1

    Side Effects

    Abdominal discomfort
    Abdominal distension
    Abdominal pain
    Abnormal liver function tests
    Acute interstitial nephritis
    Acute tubular necrosis
    Allergic reaction
    Alterations in pancreatic enzymes
    Anaemia
    Angioedema
    Asthenia
    Autoimmune hepatitis
    Blistering
    Bone pain
    Conjunctivitis
    Creatine kinase increased
    Decrease in haemoglobin
    Decreased appetite
    Depressed mood
    Depression
    Diabetes insipidus
    Diarrhoea
    Dizziness
    Dream abnormalities
    Dry mouth
    Dyspepsia
    Elevated serum LDL cholesterol
    Elevated serum lipase
    Eosinophilia
    Fanconi syndrome
    Fatigue
    Fever
    Flatulence
    Graves' disease
    Headache
    Hepatic steatosis
    Hepatitis
    Hyperbilirubinaemia
    Hypercholesterolaemia
    Hyperglycaemia
    Hyperlactataemia
    Hyperpigmentation of skin
    Hypertriglyceridaemia
    Hypokalaemia
    Hypophosphataemia
    Immune Reactivation/Reconstitution Syndrome
    Increase in creatinine
    Increase in plasma triglyceride concentration
    Increase in serum ALT/AST
    Increase in total cholesterol
    Increased risk of fractures
    Insomnia
    Insulin resistance
    Lactic acidosis
    Maculopapular rash
    Muscle weakness
    Myopathy
    Nausea
    Neutropenia
    Osteomalacia
    Osteonecrosis
    Pancreatitis
    Proximal tubulopathy
    Pruritus
    Pustular rash
    Rash
    Reduced platelet count
    Renal failure
    Renal impairment
    Rhabdomyolysis
    Severe skin reactions
    Sleep disturbances
    Somnolence
    Urticaria
    Vesiculo-bullous reactions
    Vomiting
    White blood cell count decreased

    Overdosage

    It is strongly recommended that the UK National Poisons Information Service be consulted on cases of suspected or actual overdose where there is doubt over the degree of risk or about appropriate management.

    The following number will direct the caller to the relevant local centre (0844) 892 0111

    Information may be obtained if you have access to ToxBase the primary clinical toxicology database of the National Poisons Information Service. This is available via password on the internet ( www.toxbase.org ) or if this is unavailable at the backup site ( www.toxbasebackup.org ).

    Further Information

    Last Full Review Date: June 2015

    Reference Sources

    Joint Formulary Committee. British National Formulary (online) London: BMJ Group and Pharmaceutical Press. Accessed on 4 June 2015.

    Summary of Product Characteristics: Eviplera 200mg/25mg/245mg film-coated tablets. Gilead Sciences Ltd. Revised October 2018.

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