Doctors Without Borders (MSF): Governments off track on providing tools to prevent tuberculosis (TB), the second biggest infectious disease killer after COVID-19

[Deeq A.]

PRESS RELEASE
Doctors Without Borders (MSF): Governments off track on providing tools to prevent tuberculosis (TB), the second biggest infectious disease killer after COVID-19
TB was only recently surpassed by COVID-19 as the world’s number one infectious disease killer
GENEVA, Switzerland, June 15, 2021/ — As the World Health Organization (WHO) convenes a ‘call to action’ tomorrow on the need to scale up access to preventive treatment for tuberculosis (TB), the international medical humanitarian organisation Doctors Without Borders (MSF) urged all governments to support and ramp up the implementation of TB preventive treatment (TPT), and demanded that pharmaceutical and diagnostics corporations make all drugs and tests needed to implement TPT accessible and affordable for those in need.

TB was only recently surpassed by COVID-19 as the world’s number one infectious disease killer. In 2019, TB claimed the lives of 1.4 million people and more than 10 million people fell ill. While treating people who are currently sick with TB is essential, another important measure to control and reverse the tide of the global TB burden is to promptly identify people at risk and prevent them from developing the disease through preventive treatment or TPT. TPT involves providing anti-TB drugs to family members and other close contacts of people sick with TB, to people with HIV or other conditions that weaken their immune system or to people otherwise at-risk, including people who are incarcerated. This preventive treatment will prevent people with latent TB (someone infected with TB, but not yet sick, contagious or showing symptoms) from developing full blown TB that could ultimately not only make them seriously ill, but also infect others. Scale-up of TPT is even more critical in the context of COVID-19. Urgent action is required to reverse the negative impact of COVID-19 on TB control.

In 2018, countries agreed during the United Nations High-Level Meeting on TB to meet the target of 30 million people started on TPT by the end of 2022. However, even though the effectiveness of TPT has been repeatedly demonstrated, progress is lagging behind. With only 18 months left, governments must urgently prioritise and scale up the implementation of preventive TB treatment to save more lives and alleviate suffering.

“It’s unacceptable that millions of lives continue to be taken by TB when preventive measures exist. There’s no light at the end of the TB tunnel without a massive scale-up in preventive treatment for TB,” said Dr Gabriella Ferlazzo, Senior TB/HIV Advisor at MSF’s Southern Africa Medical Unit. “Governments must urgently step up and fulfil their commitments and invest in TB preventive action so that everyone in need, including children and particularly vulnerable populations like people with HIV, people who are incarcerated or refugees, can access TB preventive treatment. We must strengthen our efforts to identify and provide TB preventive treatment to around three contacts for every person diagnosed with TB, so that we can close this prevention gap, prevent infection and transmission, and save more lives.”

MSF aims to provide TPT as an integral part of the organisation’s comprehensive TB response. In Blantyre, Malawi, MSF supported a TB programme in the Chichiri prison. As people who are incarcerated – especially in high HIV- and TB-burden settings – are at a very high risk of being infected and developing TB, the programme screened for and treated people with TB, and provided TPT for people with latent TB infection and for people living with HIV. In 2019, the programme screened 1,500 people, and nearly two-thirds of those screened were started on TPT (666 HIV negative individuals and 324 people with HIV).

In Khayelitsha, South Africa, MSF has successfully provided TPT for children and adolescents who are contacts of people with drug-resistant TB (DR-TB). The COVID-19 pandemic required MSF to adapt its programme to start providing home-based care, which ultimately led to an increase in children and adolescents started on TPT through this community-based initiative.

“DR-TB is a serious problem in Khayelitsha, a never-ending cycle that ravages family after family,” said Sister Ivy Apolisi, DR-TB nurse for MSF’s DR-TB post-exposure programme in Khayelitsha, South Africa, and one of the speakers at WHO’s event on Wednesday. “But we’ve seen how TB preventive treatment saves lives, and, as a nurse, I can tell you how much better and easier it is to prevent TB, rather than watching and waiting to see if someone gets sick. We must all dedicate ourselves to stopping the ongoing cycles of suffering that occur in families affected by DR-TB.”

TPT implementation is lagging in part due to a lack of access to the best tests and drugs. Most people only have access to the older TPT drug (isoniazid) that requires taking pills for 6-9 months. But a newer and shorter 1- to 3-month preventive treatment (rifapentine + isoniazid) exists, although it is more expensive (US$5 to $26.90 per month for the 3- and 1-month regimens respectively, versus $0.58 per month for the older single isoniazid-based regimen). In addition, quality-assured rifapentine is only produced by two manufacturers (Sanofi and Macleods) because of limited demand, despite the fact that rifapentine has been off-patent for years, and it is not available in a child-friendly formulation. Further research into innovative alternatives that would make TPT easier, including long-acting injectable formulations of TPT drugs, would encourage greater scale-up.

Distributed by APO Group on behalf of Médecins sans frontières (MSF).
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Médecins sans frontières (MSF)

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