The private market for tuberculosis drugs
Tuberculosis (TB) is widely considered a public health concern and its treatment a public sector responsibility. But according to a study published today in the journal PLoS ONE, the private sector for TB treatment is ignored at our peril. Across 10 high-burden countries, there is as much TB drug volume in the private sector as in the public sectorand at least a third of all private sector dosages of first-line TB drugs fall outside of national and international treatment recommendations. Any resulting drug misuse could be responsible for many treatment failures and for escalating the emergence of multidrug-resistant TB (MDR-TB), which is further worsening the TB epidemic.
The research, conducted by the TB Alliance and IMS Health (a healthcare market research and consulting-services firm), is the first detailed study of the private TB drug market across multiple high-burden countries. Sixty percent of the world's TB burden is present in the 10 study countries (Bangladesh, China, India, Indonesia, Pakistan, Philippines, Russian Federation, South Africa, Thailand, and Viet Nam).
TB treatment requires lengthy, supervised treatment to maximize cure rates and minimize the development of drug resistance, and in low-income settings this task is thought to be more achievable in the public sector. By contrast, the private sector treatment landscape in these countries is largely unregulated and fragmented; for example, the study detected 111 different first-line TB drug dosages and combinations, compared to the 14 deemed necessary by the Stop TB Partnership's Global Drug Facility.
"The private sector is keeping alive the confusion that existed previously in the public sector," said Dr. William Wells, the study's lead author and Director of Market Access at the TB Alliance. "With this new baseline understanding of the TB drug market, we can no longer ignore the private sector's critical role in the access equation for TB treatment and in the task of protecting both current drugs and new regimens from the development of resistance."
Other key findings revealed that:
- The public and private sectors are both major channels of treatment for TB patients. Nearly equal amounts of TB drugs are dispensed in the public and private sectors (enough to treat 67 percent vs. 66 percent of estimated incidence, respectively). The size of the private sector for TB drugs varies between countries, but has been steady within most countries over the past 5 years.
- Four of the biggest high-burden countries India, Indonesia, Pakistan, and Philippines had particularly large private sectors. Enough TB drugs are sold in their private sectors to treat all, or nearly all, incident TB patients with a full TB drug regimen. This is without even considering the 60 to 80 percent coverage by the public sector.
- Few patients receive MDR-TB treatment in the public sectorand the data reveal that the private sector is not stepping in to fill the gap. Private sector sales have the capacity to cover only ~1-10% of MDR-TB patients (or 0%, in three study countries) with anything approaching a full regimen. However, with new, rapid diagnostics becoming available, this market may expand rapidly, thus highlighting the urgency for action now.
"Most countries covered in this study have public-private mix (PPM) programmes for TB care," said Mario Raviglione, Director of the Stop TB Department at the World Health Organization. "Based on country experiences, these programmes have shown good results in optimizing TB management by private care providers. However, the size of the response is not commensurate with the size of the challenge; there is enormous scope to expand these programmes urgently. Private providers following best practices should be supported through accreditation and access to free TB drugs from the public sector, while those not doing so should be regulated. Greater government and international support is needed for these efforts and also for improved regulatory oversight and quality assurance of TB drugs. A dual track approach of collaboration and regulation is the logical way forward. We ought to make private providers responsible partners of the public sector in controlling TB and MDR-TB".
Provided by GCI Health- TB Alliance
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