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Edurant (rilpivirine)

Company: Tibotec
Approval Status: Approved May 2011
Treatment for: HIV-1
Areas: Immune System

| General Information | Clinical Results | Side Effects | Mechanism of Action | Literature References | Additional Information |


General Information

Edurant (rilpivirine) is a diarylpyrimidine non-nucleoside reverse transcriptase inhibitor of human immunodeficiency virus type 1 (HIV-1) and inhibits HIV-1 replication by non-competitive inhibition of HIV-1 reverse transcriptase.

Edurant is specifically approved in combination with other antiretroviral agents for the treatment of human immunodeficiency virus type 1 (HIV-1) infection in antiretroviral treatment-naïve adults.

Edurant is supplied as a tablet for oral administration. The recommended dose is one 25 mg tablet once daily taken orally with a meal.


Clinical Results

FDA Apporval
The FDA approval of Edurant was based on 48-week data from two randomized, double-blinded, active controlled trials TMC278-C209 (ECHO) and TMC278-C215 (THRIVE) and from a 96-week randomized, active-controlled, dose-comparison phase IIb trial. The phase III trials were identical in design, with the exception of the background regimen.
TMC278-C209 (ECHO)
This double-blind, randomized study (Efficacy Comparison in treatment-naive HIV-infected subjects Of TMC278 and EFV) enrolled 680 subjects across several international sites. The subjects received TMC278 (25 mg) as a once daily oral tablet or efavirenz (EFV) (600 mg) once daily, each combined with a fixed background regimen consisting of emtricitabine plus tenofovir disoproxil fumarate.
TMC278-C215 (THRIVE)
This double-blind randomized study (TMC278 against HIV, in a once daily RegImen Versus Efavirenz) enrolled 680 subjects across several international sites. The subjects received TMC278 (25 mg) once daily or EFV (600 mg) once daily, both combined with an investigator-selected background regimen consisting of two N[t]RTIs (abacavir + lamivudine or tenofovir disoproxil fumarate + emtricitabine or zidovudine + lamivudine).
Pooled Results
Both trials reached their primary objective, the non-inferiority of TMC278 vs. EFV in the proportion of patients achieving an undetectable viral load (less than 50 copies/mL) at week 48 (with a maximum allowable difference of 12%). Results showed that 84.3% of patients in the TMC278 group reached an undetectable viral load, compared with 82.3% of patients in the EFV group. The virologic failure rate was 9% in the TMC278 group and 4.8% in the EFV group.
Study TMC278-C204
This phase IIb randomized, active-controlled trial enrolled 368 HIV-1-infected treatment-naïve adults. It consisted of two parts: an initial 96 weeks, partially-blinded dose-finding part followed by a long-term, open-label part. After Week 96, subjects randomized to one of the thrree doses of Edurant were switched to Edurant 25 mg once daily. Subjects in the control arm received efavirenz 600 mg once daily in addition to a background regimen in both parts of the study. At 96 weeks, the proportion of subjects with <50 HIV-1 RNA copies/ml receiving Edurant 25 mg (N = 93) compared to subjects receiving efavirenz (N = 89) was 76% and 71%, respectively. The mean increase from baseline in CD4+ counts was 146 x 106 cells/mm3 in subjects receiving Edurant 25 mg and 160 x 106 cells/mm3 in subjects receiving efavirenz. At 192 weeks, 63% (59/93) of subjects who originally received 25 mg once daily achieved HIV RNA < 50 copies/mL compared to 61% (54/89) of subjects in the control group.


Side Effects

Adverse events associated with the use of Afinitor may include, but are not limited to, the following:
depression

  • insomnia
  • headache
  • rash

  • Mechanism of Action

    Edurant (rilpivirine) is a diarylpyrimidine non-nucleoside reverse transcriptase inhibitor of human immunodeficiency virus type 1 (HIV-1) and inhibits HIV-1 replication by non-competitive inhibition of HIV-1 reverse transcriptase.


    Literature References

    Pozniak AL, Morales-Ramirez J, Katabira E, Steyn D, Lupo SH, Santoscoy M, Grinsztejn B, Ruxrungtham K, Rimsky LT, Vanveggel S, Boven K; TMC278-C204 Study Group Efficacy and safety of TMC278 in antiretroviral-naive HIV-1 patients: week 96 results of a phase IIb randomized trial. AIDS 2010 Jan 2;24(1):55-65


    Additional Information

    For additional information regarding Edurant or HIV-1, please visit the Tibotec web page.




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    Edurant Drug Information

    The Edurant drug information shown above is licensed from Thomson CenterWatch. The information provided here is for general educational purposes only and does not constitute medical or pharmaceutical advice which should be sought from qualified medical and pharmaceutical advisers.





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