Landmark: ICMR, NICED develop shigella vaccine for treatment bloody diarrhea and dysentry

In a development that is going to bring relief to millions of bloody diarrhea/dysentery patients across the country, the Indian Council of Medical Research (ICMR) and National Institute of Cholera and Enteric Diseases (NICED) has now developed a vaccine against the deadly bacteria-Shigella.

Shigella is a gram-negative bacteria that causes severe bloody diarrhea/dysentery in children and adult. Shigella infection causes substantial mortality and morbidity in children and adults.

ICMR licensed the technology for Shigella vaccine developed by ICMR-National Institute of Cholera NICED for further scaling up and commercialization to MSD Wellcome Trust Hilleman Laboratories Pvt. Ltd., New Delhi on April 23, 2019 at the ICMR Headquarters.

Shigella Vaccine has been developed by ICMR-NICED in the form of heat-treated/formalin killed vaccines as well as next-generation vaccines including OmpA nano-formulation and OMVs (Outer Membrane Vesicles) to address the need for controlling Shigella infection.

Shigellosis is an infectious disease, marked by bloody diarrhea with or without fever caused by Shigella species with huge disease burden globally causing ∼125 million diarrhoeal episodes annually, around 160,000 deaths, with a third of these associated with children under five years age. Management of shigellosis includes improvement of sanitation, rehydration therapy and most essentially, antibiotic therapy. Considering the global emergence of multidrug resistance (MDR), absence of effective Shigella vaccine and one of the prioritized vaccines recommended by the WHO; developing this indigenous vaccine against shigellosis is the need of the hour and is a major breakthrough. Biotech Consortium India Limited (BCIL), New Delhi, executed the License Agreement with NICED on behalf of ICMR and Hilleman Labs.

Dr. Shanta Dutta, Director, NICED, during her address said that licensing the Shigella vaccine technology to Hilleman is an unprecedented event towards execution of translational research which further strengthens the NICED's mission to identify, develop strategies for prevention and control of
enteric infections.

Professor Balram Bhargava, Secretary, Department of Health Research, (Ministry of Health & Family Welfare), Government of India and Director General, ICMR, said that it is a major step to pave the way for development of the first indigenous Shigella vaccine. He expressed commitment of ICMR in extending all support for expeditious development and commercialization of cost-effective vaccine based on the technology for the benefit of mankind.

The licensed Shigella vaccine candidate has shown significant immune response and protective efficacy against the infection during challenged studies in various animal models, Dr. Hemanta Koley, lead inventor of the vaccine added. Dr. Davinder Gill, CEO of the Hilleman Labs said that they are pleased to collaborate with ICMR and NICED for developing an affordable vaccine for shigellosis suitable for Low Middle-Income Countries (LMIC). He briefly described Hilleman’s plan for further scaling up of the vaccine and making it accessible to shigellosis affected regions of the world.

Dr. Purnima Sharma, Managing Director, BCIL said that this collaboration brings together four institutes with complementary strengths and they are pleased to provide necessary assistance to the stakeholders in achieving the timelines for commercialization of this much-needed vaccine. The licensed Shigella vaccine candidate has been developed through support from ICMR, Okayama University, Japan and National Institute of Infectious Diseases, Japan. The translation of the licensed Shigella vaccine candidate to a market ready product will involve a stringent pre-clinical and clinical
development pathway before it reaches the market.

In view of no licensed Shigella vaccine and the emergence of increased antimicrobial resistance, the vaccines are the only effective tools to fight against the disease. The Shigella vaccine, developed by ICMR-NICED is expected to have a huge potential and likely to benefit children living in low and middle-income settings.