Regional News

Experts headline rare diseases in Pakistan

KARACHI: The Aga Khan University recently commemorated Rare Disease Day 2020 with a conference. Experts at the event noted that policymakers and stakeholders must pay greater attention to the challenges posed by rare diseases in Pakistan.

Worldwide, there are over 6,000 diseases classified as ‘rare’ as they affect fewer than 1 in 2,000 people. In Pakistan, these diseases are not so rare because a major risk factor is prevalent: inter-family marriages, which significantly raise the risk of their children suffering from genetic defects and disorders.

Dr Bushra Afroze, Associate Professor at the AKU and a clinical geneticist at the University’s teaching hospital, shared the story of Sadia Manzoor, a girl from a small town in Sindh, to explain how the health care system’s shortcomings were affecting those living with rare diseases.

Sadia was eight when the unusual symptoms started to appear. She began to lose her hair, fall over while walking, be inattentive in class, and face difficulties in writing. As her problems appeared to be neurological, she was taken to a neurologist and erroneously diagnosed with a non-treatable disorder, preventing her from receiving timely treatment. When she started to experience additional symptoms such as the tendency to repeat words, she was thought to be ‘crazy’ – leading to more distress for her and her family.

Thankfully, her parents continued to feel that something was wrong and to search for help. They were finally referred to one of the country’s few genetics specialists in Karachi to learn that their daughter has remethylation defect in vitamin B12, a serious metabolic disorder. Sadia was prescribed disease-specific ‘orphan’ drugs – medication for a condition so rare that it is not feasible to mass-produce – that are very expensive. Such drugs have to be imported and are often in short supply, which in turn represents an emergency with potentially fatal consequences for Sadia’s family.

Sadia must have medication daily and will require continual monitoring and management of her condition. Her parents are very focused on helping her live as normal a life as possible with the result that Sadia is a happy child, attending school, and enjoying her childhood.

Dr Afroze explained that providing quality care to children such as Sadia requires high-quality system-wide changes that can address several constraints: a lack of awareness, shortage of facilities, expertise, and institutions, as well as the geographic and economic inequities that people with rare diseases face.

She quoted The Lancet Global Health Commission on High Quality Health Systems in the SDG Era 2018 report, which stated that providing health services without guaranteeing a minimum level of quality as being ineffective, wasteful, and unethical.

Currently, there is a range of gaps in the arrangements to provide quality care for patients suffering from rare diseases. Narrowing these gaps will require collaboration between stakeholders across the spheres of research, healthcare, academia, and government.

“Quality is not a given,” said Dr Afroze. “Ensuring quality treatment for rare diseases will take vision, planning, investment, compassion, meticulous execution, and rigorous monitoring, from the national level to the smallest, remotest clinic.”

As a first step, experts at the conference highlighted the importance of screening newborns for rare diseases. A simple blood test – compulsory in China, Canada, the US, as well as many countries in Asia and Europe – can enable the prompt detection and treatment of such conditions. AKU’s Prof Aysha Habib, chair of the conference, explained that tests that can screen for over 50 rare illnesses have been common in the developing world for more than 50 decades.

In Pakistan, less than 1% of newborns are currently being screened for these diseases, since only a handful of private hospitals offer these services, and for a narrow range of just five rare diseases.

She added that more hospitals need to offer screening for rare diseases and called on the government to consider how such services could be scaled up through the public health insurance measures being introduced under the government’s Ehsaas program.

Speakers at the conference also spoke of the role of researchers in the field. At present, there are no national-level studies or surveys on the prevalence of rare diseases. While there are a small number of patient registries for specific rare diseases, they exist in silos within hospitals.

Data sharing between hospitals would not only enhance the accuracy of information (since a single patient travels to multiple doctors and could be recorded more than once) but would also help form a roster of patients that would enable treatment options to be explored through clinical trials. Efforts by the federal health ministry are also needed to support and streamline registries, speakers added.

Prof Habib noted that academics, clinicians, and researchers need to create partnerships that would intensify the development of knowledge and skills in the field. She also highlighted the importance of patient advocacy groups in facilitating research and in fostering synergies between stakeholders.

“Collaboration enables everyone to benefit from each other’s strengths,” Prof Habib said. “The challenge posed by rare diseases requires us to make the most of our existing resources while developing national and international partnerships that can meet the complex needs of those living with rare diseases that are currently being neglected.”

The conference Reframe Rare in Pakistan: Breaking Silos and Bringing Synergies was preceded by two days of workshops that brought together genetic researchers, pathologists and child health specialists from public and private sector organizations across the country

Other speakers at the event included Prof Shahid Mahmood Baig, head of Human Molecular Genetics at the National Institute for Biotechnology and Genetic Engineering, and Professor Giancarlo La Marca, president of the Italian Society for Newborn Screening and Metabolic Diseases.

-MN Report

March 9, 2020

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