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Health Sciences Authority

Health Sciences Authority
HSA Logo.gif
Logo of HSA
Agency overview
Jurisdiction Government of Singapore
Headquarters 11 Outram Road, Singapore 169078
Agency executives Professor John Wong, Chairman
A/Prof John Lim, Chief Executive Officer
Parent agency Ministry of Health

The Health Sciences Authority (Abbreviation: HSA; Chinese: 卫生科学局); Malay: Penguasa Sains Kesihatan) is a statutory board under the Ministry of Health of the Singapore Government.



HSA is a multi-disciplinary agency. It applies medical, pharmaceutical and scientific expertise to protect and advance public health and safety. The organisation serves three key functions: It is the national regulator for health products; it secures the national blood supply through its operation of the national blood bank – Bloodbank@HSA; and it represents the national expertise in forensic medicine, forensic science and analytical chemistry testing capabilities. These support other regulatory and compliance agencies in the administration of justice and in safeguarding public health.


The Health Sciences Authority headquarters at Outram Road, Singapore.

The HSA was formed on 1 April 2001 with the integration of five specialised agencies under the Ministry of Health: the Centre for Drug Evaluation; Institute of Science and Forensic Medicine; National Pharmaceutical Administration; Product Regulation Department; and Singapore Blood Transfusion Service.

Today, the agency’s professional knowledge, skills and competencies are housed in three professional groups: the Health Products Regulation Group; Blood Services Group, and Applied Sciences Group. Each group functions as Divisions comprising branches, units and laboratories. The three professional groups work with the corporate HQ that provides strategic direction and corporate support for advancing the organisation.


Health Products Regulation

The HSA’s Health Products Regulation Group ensures that medicines, medical devices and other health products available in Singapore meet appropriate and acceptable standards in quality, safety and efficacy. The agency also contributes to the formulation of national drug policies.

HSA’s risk management system takes into account pre-and-post market precautionary options. On the pre-market front, HSA administers clinical trials for new drugs and grants approvals for these products before they are marketed in Singapore. Audits on good manufacturing and distribution practices are also conducted.

On the post-market front, HSA monitors health products in the market through regulatory surveillance activities. The agency also carries out investigations and takes enforcement action against illegal activities related to unregistered, counterfeit and adulterated health products. HSA has an established and active pharmacovigilance monitoring programme that draws on its network of healthcare professionals and overseas regulators. This allows HSA to initiate targeted and prompt alert action in response to reported adverse drug events. This allows the agency to expedite the isolation of such problems and minimise harm to public health and safety.

In support of the national objective to reduce smoking, HSA enforces the laws that prohibit tobacco advertisements, smoking by youths under 18 years old as well as the sale of tobacco products to youths in this age group.

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DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with AFRICURE PHARMA, ROW2TECH, CLEANCHEM LABS as ADVISOR, earlier assignment was with GLENMARK LIFE SCIENCES LTD, as CONSUlTANT, Retired from GLENMARK in Jan2022 Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 32 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri, etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him Open superstar worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 32 PLUS year tenure till date Feb 2023, Around 35 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 100 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 100 Lakh plus views on dozen plus blogs, 227 countries, 7 continents, He makes himself available to all, contact him on +91 9323115463, email, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 38 lakh plus views on New Drug Approvals Blog in 227 countries...... , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc He has total of 32 International and Indian awards

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