Rare Diseases – Challenges Associated with Rare Diseases

A rare disease is a health condition of low prevalence that affects a small number of people.

Rare Diseases - Challenges Associated with Rare Diseases

What’s in Today’s Article?

  • Why in the News?
  • About Rare Diseases
  • Challenges Associated with Rare Diseases
  • National Policy for Rare Diseases, 2021
  • News Summary

Why in the News?

  • Indian drug companies have started manufacturing medicines for at least four conditions, bringing down the cost by up to 100-fold.

About Rare Diseases

  • A rare disease is a health condition of low prevalence that affects a small number of people compared with other prevalent diseases in the general population.
  • There are 7,000-8,000 classified rare diseases, but less than 5% have therapies available to treat them.
  • A condition is considered to be a rare disease if its prevalence is less than one case per 1,000 population.
  • Around 6% to 8% of the population is estimated to have a rare disease, meaning 8.4 crore to 10 crore Indians are living with these conditions for which treatments either do not exist or therapies are extremely expensive.
  • While a majority of rare diseases are believed to be genetic, many — such as some rare cancers and some autoimmune diseases — are not inherited.

Challenges Associated with Rare Diseases

  • The field of rare diseases is complex and heterogeneous as prevention, treatment and management of these diseases has multiple challenges.
  • Early diagnosis is a major challenge owing to a variety of factors that include lack of awareness among primary care physicians, lack of adequate screening and diagnostic facilities etc.
  • Relatively little is known about the pathophysiology or the natural history of majority of rare diseases, particularly in the Indian context.
  • Rare diseases are also difficult to research upon as the patients pool is very small and it often results in inadequate clinical experience.
  • Despite progress in recent years, there is a need to augment effective and safe treatment for rare diseases.
  • The cost of treatment of rare diseases is prohibitively expensive. For example, treatment for Spinal Muscular Atrophy (SMA) costs approximately Rs. 16 crore.
  • Various High Courts and the Supreme Court have also expressed concern about lack of a national policy for rare diseases.

National Policy for Rare Diseases, 2021

  • In 2021, the Union Ministry of Health and Family Welfare had approved the National Policy for Rare Diseases.
  • Key Features of the Policy:
    • A provision for financial support up to Rs. 20 lakhs under the umbrella scheme of Rastriya Arogya Nidhi is provided for treatment, of those rare diseases that require a one-time treatment.
    • Objective: To lower the high cost of treatment for rare diseases with increased focus on indigenous research.
    • Eligibility: Beneficiaries for financial assistance are not be limited to below poverty line (BPL) families, but extended to about 40% of the population, who are eligible under Ayushman Bharat – Pradhan Mantri Jan Arogya Yojana (AB-PMJAY).
    • The policy has categorised rare diseases into three groups:
      • Diseases amenable to one-time curative treatment;
      • Diseases requiring long term or lifelong treatment;
      • Diseases for which definitive treatment is available but challenges are to make optimal patient selection for benefit.
    • The policy envisages creation of a national hospital based registry of rare diseases.
    • The policy focuses on early screening and prevention through primary and secondary health care infrastructure.
      • Screening is supported by Nidan Kendras set up by Department of Biotechnology.
    • Policy also aims to strengthen tertiary health care facilities for prevention and treatment of rare diseases.
      • This is ensured by designating eight health facilities as Centre of Excellence (CoE).
      • These CoEs are provided with one-time financial support of up to Rs. 5 crores for upgradation of diagnostics facilities.

 News Summary

  • The Union government has announced a special initiative for manufacturing four types of homegrown ‘Made in India’ drugs for rare diseases for the first time.
  • The government has prioritised 13 rare diseases and sickle cell disease.
  • Currently, there are eight types of generic drugs and among them, four types of drugs are available in India and another four types of drugs will be available next year.
  • The available generic drugs are for Tyrosinemia Type, Gaucher’s Disease, Wilson’s Disease and Dravet or Lennox Gastaut Syndrome- seizures.
    • Tyrosinemia Type:
      • Tyrosinemia type I is a rare autosomal recessive genetic metabolic disorder characterized by lack of the enzyme fumaryl acetoacetate hydrolase (FAH), which is needed for the final break down of the amino acid tyrosine.
      • The available priority drugs like Nitisinone (capsules) are used for the treatment of Tyrosinemia Type 1 and the cost difference of this drug is Rs. 2 crore per annum if purchased from other countries but an Indian company is manufacturing this in Rs. 2.5 lakh per annum.
    • Gaucher’s Disease:
      • Gaucher (go-SHAY) disease is the result of a buildup of certain fatty substances in certain organs, particularly your spleen and liver.
      • The drug Eliglustat recommended for the treatment of Gaucher’s Disease will cost India Rs. 3-6 lakhs per annum.
    • Wilson’s Disease:
      • Wilson disease (hepatolenticular degeneration) is a rare, autosomal recessive disorder caused by abnormal copper accumulation in the body particularly involving the brain, liver, and cornea.
    • Lennox Gastaut Syndrome:
      • Lennox-Gastaut syndrome (LGS) is a rare but severe form of childhood epilepsy characterized by a triad of multiple seizure types, characteristic EEG findings, and intellectual impairment.
  • The government is working on a production-linked incentive scheme for these medicines.
  • The medicines, at present, are available at the centres of excellence for rare diseases.
  • In addition, the government is looking at whether making it available at Jan Aushadhi stores will be feasible.

Q1) What are Genetic Disorders?

Genetic disorders occur when a mutation affects your genes. Carrying the mutation doesn’t always mean you’ll end up with a disease.

Q2) What are Non Communicable Diseases?

The term NCDs refers to a group of conditions that are not mainly caused by an acute infection, result in long-term health consequences and often create a need for long-term treatment and care. These conditions include cancers, cardiovascular disease, diabetes and chronic lung illnesses.


Source: Major drop in cost of drugs for 4 rare diseases after Indian companies begin production | HT

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