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CKD with Biktarvy

  • 1.  CKD with Biktarvy

    Posted 06-18-2023 17:05

    I have a patient who has had declining GFR while on Biktarvy.  A consultation with a nephrologist confirmed Tenofovir Alafenamide renal toxicity.  The patient is HLA B *5701 Positive and cannot take abacavir.  He is Hep B Core and Surface Ab  positive and Surface Ag negative.   I would like to switch him to an integrase Strand Inhibitor (Dolutegravir) and boosted PI (Darunavir/ Retonavir) regime  I would consider raltegravir but I do not know his original HIV PCR count nor his original T Cell count.   I would appreciate any experience with this switch. 

    Thanks

    Richard Wulfsberg, MD   Los Angeles



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    Richard Wulfsberg
    Encino CA
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  • 2.  RE: CKD with Biktarvy

    Posted 06-19-2023 15:34
    The regimen of dolutegravir + boosted darunavir seems to work fine as a switch-to regimen, for reasons of renal insufficiency, viral resistance, etc.  I have a number of patients doing well on this regimen. I believe there are data that raltegravir works less well than dolutegravir in this setting.

    Hep B reactivation would be very unlikely unless he becomes immune suppressed (for example, receives an organ transplant, is treated with a biologic for RA, etc).


    Peter Shalit, MD, PhD, FACP, AAHIVS 






  • 3.  RE: CKD with Biktarvy

    Posted 06-19-2023 15:43
    Hello Richard,
    Interesting and significant patient case involving TAF-associated renal injury.
    If the patient's viral load was well controlled on Biktarvy, there are good data to support simply dropping 
    the TAF and continuing a 2-drug regimen of dolutegravir plus rilpivirine or dolutegravir plus lamivudine as you have confirmed the patient's hepatitis B immunity.
    These two options would maintain the patient's ART regimen as a single tablet regimen (STR) and avoid the 
    potential adverse effects and drug-drug interactions associated with a boosted PI.
    David

    W. David Hardy, MD, AAHIVS

    Scientific and Medical Consultant

    Attending, Rand Schrader (HIV) Clinic (LAC-USC)

    Adjunct Clinical Professor of Medicine

    Division of Infectious Diseases

    Keck School of Medicine of USC

    E-mail: WDAVIDHARDYMD@GMAIL.COM

    Telephone: 310-709-3505 (Mobile)












  • 4.  RE: CKD with Biktarvy

    Posted 06-19-2023 16:10

    How was the biktarvy renal toxicity confirmed?



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    Stuart Feinstein
    Stuart Feinstein MD
    Poughkeepsie NY
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  • 5.  RE: CKD with Biktarvy

    Posted 06-19-2023 17:28

    Hi Richard,

    If you want to change to a regimen that avoids tenofovir, you could certainly go with Tivicay and Prezcobix.  But one tablet a day options would include Dovato (if no M184V) and Juluca (as long as there are no rilpivirine RAMs and he can take this with a meal, and he is on no anti reflux meds).  Cabenuva would also be a consideration, if he is otherwise appropriate for this regimen.  He appears not to have chronic HBV.  These meds will obviously not treat chronic HBV.

    Let me just add this.  I find that specialists will occasionally blame HIV meds for an issue inappropriately.  It is unusual, but not impossible, for TAF to worsen kidney function significantly.   You might want to make sure that there is no other explanation for worsening kidney function.  Hope that helps.  



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    Adam Zweig
    AIDS Healthcare Foundation
    San Diego CA
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  • 6.  RE: CKD with Biktarvy

    Posted 06-19-2023 17:32
    How was the biktarvy renal toxicity confirmed? 





  • 7.  RE: CKD with Biktarvy

    Posted 06-19-2023 18:24

    Many thanks for your suggestions.  I am not sure about  M184V mutation status and do not know what  TAMs  he might have.  Based on the duration of his infection > 20 years I suspect he does have an M184 V mutation and probably a K103N mutation as well .   He cannot remember his initial HIV PCR or his T Cell count, so I have decided, with your kind input, to choose the Tivicay and Prezcobix for high barriers to resistance in the absence of genotype or phenotype information.  Since he has been fully viral suppressed I will not do any mutation testing.

    Thanks again

    Richard Wuflsberg 



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    Richard Wulfsberg
    Encino CA
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  • 8.  RE: CKD with Biktarvy

    Posted 06-19-2023 17:35

    Tivicay and Prescobix is a well studied and viable regimen. I would not use RAL, since the DTG is just one pill and has a higher barrier to resistance. 
    Gary



    ------------------------------
    Gary F. Spinner PA,MPH,AAHIVS
    Medical Director
    Ryan White HIV/AIDS Program
    Southwest Community Health Center
    Bridgeport, CT
    gspinner@swchc.org
    Gary.spinner@aya.yale.edu
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  • 9.  RE: CKD with Biktarvy

    Posted 06-19-2023 17:38
    Edited by Michael Roggelin 06-19-2023 17:40

    Nevermind,  missed the Hep



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    Michael Roggelin MSN, AGNP-C, FPA-ANP, AAHIVS
    Palmetto, FL
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  • 10.  RE: CKD with Biktarvy

    Posted 06-23-2023 00:42

    Being that he is Hep B Ab positive and having kidney issues… I would recommend Dolutegravir and Doravirine… it's my favorite none boosted regimen that is tolerated VERY well and can be given to all with CKD regardless of initial HIV Viral Load! Hope this helps!



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    Randy Gelow
    Phoenix AZ
    randygelow@gmail.com
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  • 11.  RE: CKD with Biktarvy

    Posted 06-25-2023 21:12

    I wish to thank the many HIV Professional Specialists who offered thoughtful and helpful suggestions to my question.

    It is deeply gratifying to know that there is a community of HIV Specialists who generously offered timely advise in the management of my 

    patient.

    With Gratitude

    Richard Wulfsberg 



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    Richard Wulfsberg
    Encino CA
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