NAIROBI, Kenya, Jul 30- Kenya has been called upon, alongside other countries, to consider adopting the new guidelines by the World Health Organization (WHO) for the use of long-acting injectable cabotegravir (CAB-LA) as pre-exposure prophylaxis (PrEP) for HIV.
This is because pre-exposure prophylaxis (PrEP) for HIV is considered a safe and highly effective prevention option for people at substantial risk of HIV infection.
The guidelines released ahead of the 24th International AIDS Conference (AIDS 2022), will support countries as they plan for CAB-LA introduction as part of a comprehensive approach to HIV prevention and will facilitate urgently needed operational research.
The guidelines have been launched at a critical moment, as HIV prevention efforts have stalled with 1.5 million new HIV infections in 2021 – the same as 2020.
There were 4000 new infections every day in 2021, with key populations (sex workers, men who have sex with men, people who inject drugs, people in prisons and transgender people) and their sexual partners accounting for 70 per cent of HIV infections globally.
“Long-acting cabotegravir is a safe and highly effective HIV prevention tool, but isn’t yet available outside study settings,” said Dr Meg Doherty, Director of WHO’s Global HIV, Hepatitis and Sexually Transmitted Infections Programmes.
He hoped these new guidelines will help accelerate country efforts to start to plan and deliver CAB-LA alongside other HIV prevention options, including oral PrEP and the dapivirine vaginal ring.
CAB-LA is an intramuscular injectable, long-acting form of PrEP, with the first 2 injections administered 4 weeks apart, and followed thereafter by an injection every 8 weeks.
CAB-LA was shown to be safe and highly effective among cisgender women, cisgender men who have sex with men, and transgender women who have sex with men in two randomized controlled trials, HPTN 083 and HPTN 084.
Together, these landmark studies found that use of CAB-LA resulted in a 79 per cent relative reduction in HIV risk compared with oral PrEP, where adherence to taking daily oral medication was often a challenge. Long-acting injectable products have also been found to be acceptable and sometimes preferred in studies examining community PrEP preferences.
“To achieve UN prevention goals, we must push for rapid, equitable access to all effective prevention tools, including long-acting PrEP,” said Rachel Baggaley, Head of the Testing, Prevention and Populations Team at Global HIV, Hepatitis and STI Programmes at WHO.
He further added that through this initiative means overcoming critical barriers in low- and middle-income countries, including implementation challenges and costs.
WHO will continue to support evidence-based strategies to increase PrEP access and uptake, including through the adoption of CAB-LA. Key actions include: WHO will support countries and partners to include CAB-LA safely and effectively in HIV prevention programmes.
WHO is working with Unitaid and other partners to develop implementation science projects to answer outstanding safety issues, implementation challenges, and understand people’s preferences for CAB-LA among other HIV prevention choices.
WHO is working with countries, communities and donors including The Global Fund, PEPFAR, and the Bill & Melinda Gates Foundation to support the inclusion of CAB-LA in their programmes and to catalyze implementation science and monitoring of programmes so that CAB-LA can be implemented, safely and effectively, for greatest impact.
The WHO Global PrEP Network will host webinars this year on CAB-LA to provide up-to-date information for countries, communities and implementers and increase awareness.
In April 2022, CAB-LA was added to WHO’s list of Expressions of Interest for evaluation for prequalification, and WHO is working with countries on regulatory approval.
Both oral PrEP and CAB-LA are highly effective. WHO will continue to support prevention choices. CAB-LA increases the options available and should always be offered alongside oral PrEP.
Some people may continue to choose oral PrEP and CAB-LA will likely be preferred by people who find it difficult to take tablets or do not want to do so.
WHO has also released new guidance on differentiated and simplified PrEP at the AIDS 2022 conference to support easier access, including community delivery.
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