Rare diseases may seem isolated in their individual nature, yet they collectively impact an astonishing 600 million people across the globe. The complexity and rarity of these conditions pose significant challenges, particularly in India, where a staggering 70 million individuals are estimated to be affected. Despite advancements in medical science, a considerable number of patients remain undiagnosed, highlighting the urgent need for innovative solutions.
The Global Perspective on Rare Diseases
In May 2025, the World Health Assembly took a significant step by adopting a resolution aimed at developing a comprehensive action plan for universal healthcare for the estimated 300 million people living with rare diseases. This resolution underlines the pressing issue of undiagnosed diseases, emphasizing that many patients who lack a diagnosis are likely grappling with a rare condition. Currently, it is estimated that 60% of those living with rare diseases remain undiagnosed, further compounding the global challenge.
The journey to diagnosis, often referred to as the ‘diagnostic odyssey,’ can be long and arduous. Patients frequently navigate a labyrinth of consultations, tests, and specialists over a span of six years or more, often without receiving clarity on their condition. This prolonged uncertainty leads to a lack of treatment options, inadequate care management, and a profound emotional toll on both patients and their families.
The Indian Landscape: Challenges and Initiatives
India faces a unique set of challenges regarding rare diseases. With only 40% of patients receiving a diagnosis through existing diagnostic tools, the remaining 60% continue their search for answers, often without access to the latest medical advancements. Many patients, particularly those in rural areas, encounter additional hurdles, such as the need to travel long distances for consultations, further exacerbating their plight.
In response to these challenges, the National Policy for Rare Diseases 2021 was introduced, which aims to enhance infrastructure for early detection, bolster data collection efforts, and increase focus on research and development. However, while the policy provides some support, the primary obstacle remains coordination among medical specialists. A concerted effort is necessary to create pathways for multidisciplinary collaboration, particularly for cases that defy standard testing.
Collaborative Innovations in Diagnosis
As the global landscape for rare disease research evolves, collaboration and innovation emerge as key drivers. Initiatives like the Undiagnosed Disease Network International and the International Rare Disease Research Consortium facilitate knowledge sharing across borders. In India, institutions such as the AIIMS Rare Disease Programme are working to build essential clinical and research capacities.
One notable innovation is the Undiagnosed Hackathon, an immersive event that unites experts from various fields, including genetics, medicine, and bioinformatics. This collaborative format allows participants to engage directly with patients and their families, fostering a deeper understanding of symptoms and facilitating more accurate diagnoses. By leveraging diverse expertise and structured teamwork, the Hackathon model accelerates the search for solutions to complex cases.
The inaugural Undiagnosed Hackathon in India, held in Hyderabad in February 2026, exemplified the potential of this collaborative approach. Organized by the Wilhelm Foundation and supported by various healthcare organizations, the event brought together over 200 participants and involved 25 patients and families. This concerted effort resulted in seven diagnoses, underscoring the power of partnership and innovation in addressing undiagnosed diseases.
Bridging the Gap: Funding and Coordination
To further enhance collaborative efforts, philanthropic contributions and corporate social responsibility (CSR) initiatives can play a vital role. By funding the necessary coordination, infrastructure, and expertise required for complex cases, these entities can help de-risk investments in pioneering solutions. This includes creating multidisciplinary case-review models that strengthen diagnostic interpretation and support patient navigation, ensuring families do not face the burden of coordinating care alone.
Moreover, responsible data-sharing practices and registry-linked collaborations across institutions are essential for generating shared learning. By fostering an environment where complex cases are examined collectively rather than in isolation, the medical community can enhance its understanding of rare diseases and improve patient outcomes.
Conclusion: A Path Forward
The landscape of rare diseases and undiagnosed conditions is fraught with challenges, yet it is also ripe with opportunities for innovation and collaboration. With a robust framework that encourages partnerships between various stakeholders, India can not only expand testing but also enhance the interpretation and understanding of rare diseases. By mobilizing resources through industry, philanthropy, and CSR, the nation can pave the way toward a more inclusive healthcare system that not only treats but also identifies rare diseases.
- Rare diseases impact 600 million people globally, with 70 million in India.
- The ‘diagnostic odyssey’ can take patients years, often leading to emotional distress.
- Innovative collaborations like the Undiagnosed Hackathon are essential for accelerating diagnoses.
- Philanthropic funding can enhance coordination and infrastructure for rare disease research.
- A collective approach can transform how rare diseases are treated and understood in India.
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