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Economic and life losses due to tuberculosis, the world's largest pandemic, are estimated for the first time

2020-10-22T02:25:26.026Z

28.6 million: this is the figure only in deaths of failing to eradicate this infectious disease in 2030. This and other developments are presented these days at the largest international conference on lung health



The world pledged five years ago to reduce tuberculosis to a minimum by 2030. Since then, many expert voices have warned that progress has been made, but little: with the data in hand, it is known that deaths and infections do not decrease fast enough, nor is it reaching all the patients estimated to be out there with diagnoses and treatments.

Now, for the first time, a group of American researchers has estimated how much it will cost us not to comply: 28.6 million lives and almost three billion dollars due to the total mortality and costs derived from this disease, the most lethal infection of the planet, which already causes an average of 1.4 million deaths each year.

The results of this research were presented this Wednesday at the 51st World Conference of the Union on Lung Health, the largest event in the world on this subject.

More information

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  • Tuberculosis killed 1.4 million people in 2019

The findings presented are based on projections made in 120 countries for 2030, 2045 and 2050 in order to find out what the cost will be in “total income” of not ending the disease, that is, of the sum of the impact on economic growth plus the added value of people's lives.

"For legislators, it provides a fairly complete picture of the cost of premature mortality," said Suchin Silva, a scientist at Harvard University and co-author of the report, in a virtual press conference as is the entire conference.

This year it should have been held in Seville, but it has been switched to

online

because of covid-19.

The research, carried out in three hands by the universities of Harvard and California and by Imperial College London, raises various scenarios based on the goal that was set in 2015 with the approval of the End TB strategy, that is: that in 2030 have reduced deaths to 90% and the incidence to 80% compared to the 2015 data. "This is now very unlikely," lamented Silva.

In 2018, tuberculosis claimed 1.4 million lives, including those of people who also had HIV, and each death cost an average of $ 1.3 million, they estimate.

The worst affected regions were Sub-Saharan Africa and South Asia and, specifically, seven countries: India, South Africa, Nigeria, Indonesia, China, the Russian Federation and Angola, which bore 71% of the total losses (human and economic) .

The worst possible scenario contemplates that we will achieve the goals two decades later than expected, in 2050. This will happen if we continue with the current rate of decline in mortality, of 2% per year.

By then, there will be 31.8 million deaths and the equivalent of $ 17.5 trillion in economic losses.

At the other extreme, the best possible scenario: the one in which the goals are met in 2030 because the rate of decline in mortality increases.

But it still wouldn't come for free: by 2050 there will have been a total of eight million deaths between 2020 and 2050, with a total loss of revenue of $ 4.34 trillion.

The researchers believe, however, that the most likely scenario is that the End TB targets will be met in 2045, in part due to the impact of COVID-19, which has also been taken into account when making the projections.

In this case, a total of 13.7 million deaths may occur and the resulting total revenue losses will be $ 7.30 trillion.

“The pandemic has taken a heavy toll on services for many diseases, including tuberculosis, with sharp drops in TB notifications reported in several high-burden countries.

This could lead to 400,000 additional deaths from tuberculosis this year alone, ”recalled Dr. Tedros Adhanom Ghebreyesus, director general of the World Health Organization (WHO), during the opening ceremony of the conference last Tuesday.

The researchers, in fact, also warn that the COVID-19 pandemic may undermine efforts to end the disease.

"The neglect of tuberculosis programs in the short term can have devastating economic consequences in the long term," they indicate in the conclusions of their study.

However, they have also suggested that the huge global investment being made to fight the new pandemic could be an advantage if new coronavirus containment strategies are used to improve the detection and prevention of tuberculosis.

A new shorter treatment

Another of the results presented this Wednesday are those of phase III of a clinical trial on a new drug regimen that reduces treatment time by a third: from six months that usually lasts to four.

It is the first successful short-term treatment for the disease in nearly 40 years.

The trial was conducted with 2,516 participants from 13 countries and the main criterion to assess its efficacy was that the patients no longer had Koch's bacillus (the cause of the infection) 12 months after starting treatment with a high dose of rifapentine ―One of the drugs used against the disease― combined with an antibiotic called moxifloxacin.

"The standard six-month regimen cured 90% of the participants, and the four-month regimen containing rifapentine and moxifloxacin cured 88%," detailed Susan Dorman, one of the study's authors, at a press conference.

The safety and tolerance of the new treatment was similar to the traditional one.

“Shortening treatment can benefit patients, their families and our health systems.

A shorter regimen will allow patients to heal more quickly and can reduce treatment costs, improve quality of life and help more people successfully complete their treatment, ”Dorman pointed out.

Risk of death in pregnant women

The health of pregnant women has also been put on the table in this virtual macro event.

The authors of the South African Medical Research Institute assumed that tuberculosis is associated with an increased risk of death among pregnant women, and more among those who are also seropositive, and wanted to verify antiretrovirals combined with preventive therapy based on Isonazid or IPT for its acronym in English (another of the drugs present in the cocktail that is administered to tuberculosis patients) can reduce mortality rates.

They analyzed data from 1,215 South African women in the second or third trimester of pregnancy, of which 68.6% had started IPT during pregnancy.

More than 94% of them delivered live children and had a lower risk of miscarriage, compared to a somewhat lower percentage of those who did not follow any therapy.

Finally, the authors conclude that IPT exposure during pregnancy produces higher live birth rates and that it can be used safely in the second and third trimesters of pregnancy.

However, they also note that with recent changes in treatment regimens for tuberculosis and HIV, more research is needed to determine the safety of therapies during each trimester of pregnancy and to evaluate their outcomes.

Covid-19 steals prominence

Tuberculosis has always been the absolute protagonist of these world conferences on lung health, which have been held for 51 years, but in this edition there is an unwanted guest who is taking up a lot of space in the daily program of symposia, conferences and round tables: the covid-19.

“This microbe attacks the lungs, but its effects are felt much further: in families, communities, health systems, societies and economies.

(...) Covid-19 threatens to undo the progress we have made in recent years to prevent and control tuberculosis and other lung diseases.

The impacts of the disease itself and the response to it, including stay-at-home orders and other so-called lockdown restrictions, exacerbate many of the drivers of tuberculosis, including poverty, inequality and stigma, "warned the WHO director.

For these reasons, the new coronavirus is being the subject of numerous presentations with novelties in its diagnosis, treatments and prevention.

“Researchers are developing diagnostics, treatments and new vaccines in record time.

Today we have more knowledge, more technology, more resources and more connectivity than humanity at any other time in history ”, insisted during the opening ceremony José Luis Castro, Executive Director of the International Union Against Tuberculosis and Lung Diseases (The Union) , organizer of the conference and the first health NGO, which this year celebrates its centenary.

Among the novelties presented, this Wednesday the results of a new Spanish study on the acceptance of the covid-19 vaccine were revealed, suggesting that there is a wide indecision in Europe and the United States that have been published in

Nature Medicine

.

The authors surveyed more than 13,000 people in 19 countries and found that 72% think they would likely get the vaccine, while 14% would refuse and another 14% would hesitate.

Jeffrey Lazarus, head of the Health Systems Research Group at the Barcelona Institute of Global Health (IS Global), considers that these acceptance levels are insufficient to meet community immunity requirements.

He also commented that, in general, respondents who were more open to accepting a vaccine also showed higher levels of confidence in the information coming to them from government sources.

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Source: elparis

All news articles on 2020-10-22

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