One of the most significant initiatives undertaken by Merck to help improve access to medicines in developing countries is the Merck Mectizan® Donation Programme. Established over 20 years ago, the Mectizan® Donation Programme is the single largest, longest standing public/private partnership of its kind and is widely regarded as one of the most successful public-private health collaborations in the world.
In 1987, Merck announced that it would donate Mectizan® (ivermectin), a medicine for the treatment of onchocerciasis, to all who needed it, for as long as needed. More commonly known as "river blindness," onchocerciasis is transmitted through the bite of black flies and can cause intense itching, disfiguring dermatitis, eye lesions and, over time, blindness. The disease is one of the leading causes of preventable blindness worldwide.
Mectizan® relieves the agonizing itching that accompanies the disease, and halts progression towards blindness - two characteristics of the diseases that dramatically affect the quality and duration of life. With only one annual dose, Mectizan® is well suited for distribution in remote areas by community health workers. It is the only well-tolerated drug known to halt the development of river blindness.
To ensure the appropriate infrastructure, distribution and support for the donation initiative, Merck established a unique, multisectoral partnership, involving the World Health Organization (WHO), the World Bank and UNICEF, as well as ministries of health, non-governmental development organizations and local communities. In 1988, Merck established the Mectizan® Donation Programme Secretariat, housed at the Taskforce for Child Survival and Development, to provide medical, technical and administrative oversight of the donation of Mectizan®. Since the programme's inception, Merck has donated more than 2.1 billion tablets of Mectizan® through the partnership, with more than 600 million treatments approved since 1987. The programme currently reaches more than 80 million people through river blindness programs in Africa, Latin America and the Middle East (Yemen) each year.
Today, the delivery system for Mectizan® also serves as an avenue through which other health and social services have been introduced, such as vitamin A distribution, cataract identification, immunization campaigns, training programmes for community health workers and census-taking.
In 1998, the Merck Mectizan® Donation Programme was extended to the prevention of lymphatic filariasis (LF), commonly referred to as elephantiasis, in African countries where the disease co-exists with river blindness. An estimated 300 million Africans are at risk, and another 40 million are infected by this disease. Approximatley 215 million treatments for LF have been approved, with nearly 50 million treatments approved in 2007 alone through Merck's work with the Global Alliance to Eliminate Lymphatic Filariasis.
Merck has made a long-term commitment to donate as much of this medicine as necessary to treat river blindness and to prevent lymphatic filariasis in affected geographic areas. The goal is to eliminate both diseases as public health problems.
In November 2007, public health officials announced that transmission of river blindness had been halted in Colombia, marking the first time that the disease has been eliminated as a public health problem on a country-wide basis anywhere in the world. The Ministry of Health in Colombia will initiate a three-year post-treatment surveillance period, after which WHO certification will occur.
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