Page 66 - SAHCS HIVMed Journal Vol 20 No 1 2019
P. 66

Southern African Journal of HIV Medicine
              ISSN: (Online) 2078-6751, (Print) 1608-9693
                                                       Page 1 of 7  Opinion Paper


                             The role of rilpivirine in Southern Africa






               Authors:                 Rilpivirine, a second-generation non-nucleoside reverse transcriptase inhibitor (NNRTI), is
               Michelle A. Moorhouse      included as an option in first-line antiretroviral therapy (ART) for antiretroviral-naïve
                              1
               Karen Cohen
                       2
                                        individuals in treatment guidelines in high-income countries, including the United States and
               Affiliations:            many European countries. Rilpivirine is available in a single-tablet fixed-dose combination,
               1 Wits Reproductive Health   has a favourable tolerability profile and is of relatively low cost. However, rilpivirine has
               and HIV Institute, University   reduced efficacy in patients commencing ART at high viral loads. Therefore, baseline viral load
               of the Witwatersrand,
               Johannesburg, South Africa  testing  is  required  before  commencing  rilpivirine,  and it  is  not  recommended for  patients
                                        commencing therapy with a viral load greater than 100 000 copies/mL. Rilpivirine is not
               2 Division of Clinical   included in the treatment regimens recommended by the World Health Organization (WHO),
               Pharmacology, Department   which form the basis of treatment guidelines in many lower- and middle-income countries.
               of Medicine, University of
               Cape Town, Cape Town,    Some patients commencing standard first-line regimens experience treatment-limiting toxicity.
               South Africa             A low-cost rilpivirine-containing  fixed-dose combination would potentially be a useful
                                        addition to treatment options available in South Africa and other countries in the region, for
               Corresponding author:    patients who do not tolerate standard first-line ART. In this article, we explore the utility
               Michelle Moorhouse,
               [email protected]    of rilpivirine as an option in ART in South Africa and the region in the context of current
                                        public-sector regimens. We consider what role rilpivirine might play if first-line therapy moves
               Dates:                   to a dolutegravir-based regimen, as has already happened in some lower- and middle-income
               Received: 22 Dec. 2017   countries, including Botswana, Kenya and Brazil. Finally, we describe emerging evidence for
               Accepted: 03 Apr. 2019
               Published: 29 May 2019   rilpivirine in the prevention of HIV transmission.

               How to cite this article:  Keywords: HIV; Rilpivirine; Antiretrovirals; Non-nucleoside reverse transcriptase inhibitor;
               Moorhouse MA, Cohen K.   Southern Africa.
               The role of rilpivirine in
               Southern Africa. S Afr J HIV
               Med. 2019;20(1), a825.   Introduction
               https://doi.org/10.4102/
               sajhivmed.v20i1.825     Rilpivirine, a second-generation non-nucleoside reverse transcriptase inhibitor (NNRTI), is
                                       currently approved for the treatment of HIV-1 infection in more than 80 countries around the
               Copyright:
               © 2019. The Authors.    world. It is included as an option in first-line antiretroviral therapy (ART) for antiretroviral-naïve
               Licensee: AOSIS. This work   individuals in treatment guidelines in high-income countries, including the United States and
               is licensed under the   many European countries.  Rilpivirine is available in a single-tablet fixed-dose combination, has
                                                            1,2
               Creative Commons                                                     3
               Attribution License.    a favourable tolerability profile and is relatively low cost.  Because of reduced efficacy in patients
                                       commencing ART at high viral loads, baseline viral load testing is required before commencing
                                       rilpivirine, and it is not recommended for patients commencing therapy with a viral load greater
                                       than 100 000 copies/mL. Rilpivirine has not been included in the treatment regimens recommended
                                       by the World Health Organization (WHO), which form the basis of treatment guidelines in many
                                       lower- and middle-income countries. South Africa has the largest antiretroviral programme in the
                                       world, and purchases antiretrovirals in quantities similar to both the President’s Emergency
                                       Program for AIDS Relief (PEPFAR) and the Global Fund. A low-cost, well-tolerated, single-tablet
                                       regimen would potentially be a useful addition to treatment options available in South Africa and
                                       other countries in the region.

                                       The suitability of any antiretroviral agent for use within large-scale treatment programmes is
                                       determined by a number of factors. These include efficacy; tolerability profile, preferably with no
                                       need for laboratory monitoring for safety issues; interactions with commonly prescribed drugs,
                                       especially those used to treat coinfections such as tuberculosis and hepatitis viruses; convenience
                                       and  availability  of fixed-dose  combinations;  availability  of  paediatric formulations;  safety  in
                                       pregnancy; and affordability.

               Read online:            In this article, we explore the utility of rilpivirine as an option in ART in South Africa and the
               Read online:
                        Scan this QR
                        Scan this QR   region, in the context of current public-sector regimens. We consider what role rilpivirine might
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                        smart phone or   play if first-line therapy moves to a dolutegravir-based regimen, as has already happened in some
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                                       emerging evidence for rilpivirine in the prevention of HIV transmission.
                                           http://www.sajhivmed.org.za  59  Open Access
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