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The Publication on AIDS Vaccine Research | VOLUME 22, ISSUE 3 | NOVEMBER 2018 from the EDITOR

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The Publication on AIDS Vaccine Research | VOLUME 22, ISSUE 3 | NOVEMBER 2018 from the EDITOR The Publication on AIDS Vaccine Research WWW.IAVIREPORT.ORG | VOLUME 22, ISSUE 3 | NOVEMBER 2018 FROM THE EDITOR If you are a regular IAVI Report reader, it will tion (HIVR4P) conference in Madrid, Spain (see come as no surprise that antibodies, particularly page 16). There are now several vaccine candi- those that are both potent and able to neutralize dates in clinical development designed to induce a broad swath of global HIV isolates, are all the broadly neutralizing antibody responses that rage. Such antibodies have been isolated in droves several experts at HIVR4P said are most likely from HIV-infected people and are now fueling to be protective. And nearly a dozen broadly vaccine design efforts. They are also being neutralizing antibodies are in development for improved, combined, and tested for their ability prophylaxis. In addition, new methods of vac- to directly prevent, treat, or even cure HIV infec- cine delivery, including messenger RNA or tion. Meanwhile, researchers continue to isolate mRNA, are in development (see page 7). additional antibodies, some of which appear to be able to neutralize even more broadly than any There are also two ongoing efficacy trials that others identified to date. are testing vaccine candidates that induce anti- bodies, which although not broadly neutralizing As a result of this progress, scientists are more may still be effective at blocking HIV infection. optimistic than ever that they are on the path to Janssen Pharmaceutical Companies of Johnson developing HIV vaccines and antibody-based & Johnson is leading one of these efficacy trials, products. The hope is that vaccines and antibody- and I recently spoke with Paul Stoffels, vice chair based prevention, if successfully developed, could of the executive committee and chief scientific finally curb the persistently high HIV incidence officer at J&J, about this trial and his company’s rates that have led the Joint United Nations Pro- dedication to HIV treatment and prevention gramme on HIV/AIDS to declare that we are in research (see page 11). the midst of an HIV prevention crisis (see page 4). With all this activity, it is hard not to share in the I’ve actually never seen more optimism for vac- enthusiasm that is apparent in the HIV preven- cines than at the recent HIV Research for Preven- tion field today. We hope you will too. —KRISTEN JILL KRESGE All rights reserved ©2018 IAVI is a nonprofit scientific research organization dedicated to addressing urgent, unmet global health challenges including HIV and tuberculosis. Our mission is to translate scientific discoveries into affordable, accessible public health solutions to help the people who need them most. For more information, see www.iavi.org. 2 IAVI REPORT 2018, ISSUE 3 | WWW.IAVIREPORT.ORG IN THIS ISSUE Is there an HIV prevention crisis? 04 More HIV-infected people than ever before are receiving life-saving treatment, but despite this progress, HIV incidence rates remain virtually static. Coding for protection 07 Although challenges remain, the growing field of mRNA-based vaccine development seems to have a bright future, with potential for preventing cancer, flu, and HIV. An industry leader in HIV research Paul Stoffels of Johnson & Johnson talks about the company’s 11 broad HIV portfolio and the role of industry in advancing vaccine research. Overflowing with antibodies and optimism 16 There is more optimism than ever that researchers are on the path to developing vaccines and antibodies that can help stem HIV’s persistent spread. ASSOCIATE DIRECTOR FREE SUBSCRIPTIONS ON THE COVER Nicole Sender To obtain a FREE subscription to Taking inspiration from Andy Warhol, this cover image was IAVI Report, change your contact designed to reflect the various ways researchers are attempting MANAGING EDITOR details, or receive multiple copies to develop vaccine candidates that can induce broadly Kristen Jill Kresge of IAVI Report to distribute or neutralizing antibodies against HIV’s trimeric Envelope protein. use in your programs, go to The image we’ve used as inspiration is the ConMSOSIP trimeric www.iavireport.org and click CONTRIBUTING WRITER protein (shown in white) developed by researchers at Amsterdam on the Subscribe link. University’s Academic Medical Center. This native-like trimer is Michael Dumiak one of several trimers, and more than a dozen vaccine More information: immunogens that are currently in clinical development, which are www.iavireport.org designed to induce broadly neutralizing antibodies. The original image was provide by Alba Torrents de la Pena, a PhD student in Comments/questions? the lab of Rogier Sanders, a professor of virology at the University [email protected] of Amsterdam and an adjunct associate professor of research in microbiology and immunology at Weill Cornell Medicine. IAVI REPORT 2018, ISSUE 3 | WWW.IAVIREPORT.ORG 3 OPENING QUESTION Is there an HIV prevention crisis? BY MICHAEL DUMIAK UNAIDS officials themselves now doubt the 2020 More HIV- targets will be reached and are talking about a The calculus to end the world’s HIV epidemic is, “prevention crisis.” As outlined in a UNAIDS infected people once again, proving harder than expected. report (http://www.unaids.org/en/resources/docu- ments/2018/global-aids-update), there are many than ever before After marshaling great effort and achieving contributing factors: In Eastern Europe, Central remarkable results in diagnosing HIV infections Asia, the Middle East, and North Africa, HIV inci- are receiving and providing life-saving antiretroviral treat- dence is on the rise; there is an ongoing global ment (ART) to those infected, the message from migration of refugees and asylum seekers, people life-saving the Joint United Nations Programme on HIV/ fleeing both violence and poverty; and if demo- treatment. AIDS (UNAIDS) in recent years seemed to be graphic trends in Africa continue, there will be that the road to ending AIDS was in sight, and more people aged 15-35 living there by 2050 than Despite this could even be achieved by 2030. The idea was ever before. If public health services and prevention that by diagnosing and treating enough HIV- efforts do not meet the scale of this demographic progress, HIV infected people, and making sure their levels of wave, new HIV infection rates could balloon. virus were sufficiently suppressed, transmission incidence rates rates would tail off. The progress in HIV treatment is clear. More than half of the world’s 36 million people living with the remain virtually But this strategy, referred to as treatment as pre- virus are now on life-saving ART, and the number vention, is more complicated than it sounds. of AIDS-related deaths is declining, dropping 34 static. “Easy to remember, hard to achieve,” says virolo- percent over the last seven years. In 2017, for the first gist Jeffrey Lazarus, a health systems researcher time, the number of deaths from AIDS is estimated at the Barcelona Institute for Global Health. at less than a million. UNAIDS and its partners set goals for treatment But the rate of new HIV infections is not falling fast as prevention back in 2014 referred to as the enough. While fluctuating regionally, global inci- 90-90-90 targets. The model works like this: dence has remained fairly steady during the last 15 diagnose 90 percent of all HIV-infected people, years. If the number of new infections is not declin- ensure 90 percent of those people receive ART, ing quickly enough, the number of people in need and make sure that 90 percent of those on treat- of treatment continues to grow every year. ment achieve viral suppression. The U.N. goal is to reach those targets by 2020, with the aim of All of these factors place the HIV/AIDS response in ending HIV as a global health challenge by 2030. a precarious position. Some say an overly optimistic message instilled complacency in the global HIV But with just two years to go, only six countries— response. Meanwhile, experts are calling for bolster- Cambodia, Denmark, Botswana, Namibia, ing HIV prevention efforts and developing newer Eswatini (formerly Swaziland), and the Nether- and better prevention options as a way to finally lands—have reached those targets. reverse the trends (https://www.thelancet.com/jour- nals/lancet/article/PIIS0140-6736(18)31070-5/full- Even more concerning is the fact that in some text). “Existing HIV tools and strategies are insuf- places, HIV infection rates are increasing despite ficient to actually end the epidemic,” Peter Piot told greater access to ART. That’s not all. “There are a large crowd in an auditorium in Amsterdam over countries that have reached the targets,” Lazarus the summer, gathered for the International AIDS says, “but a surprisingly large percentage of peo- Society’s (IAS) annual meeting. Now director of the ple who are on treatment are not virally sup- London School of Hygiene and Tropical Diseases, pressed.” Piot was director of UNAIDS during a high-level 4 IAVI REPORT 2018, ISSUE 3 | WWW.IAVIREPORT.ORG meeting 15 years ago in Dublin, when there were drugs in the region,” says Chris Beyrer, a Johns already warning signs that Eastern Europe and Cen- Hopkins epidemiologist and a former IAS presi- tral Asia would become the fastest-growing AIDS dent. “All of this is going to be crucial for Eastern epidemic in the world. Europe and Central Asia. The work that is ahead of us is trying to do better delivering essential ser- It did. vices to those people who need them most.” This, despite a 53-nation declaration pledging to Without a substantial investment in primary HIV scale up prevention and treatment efforts in the face prevention, particularly for key populations, of rapid crossover from high-risk groups into the young adults, and adolescents, it will be impos- general population.
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