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Water Systems in FDA Warning Letters

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Among the FDA Warning Letters of the past two years there are every now and then letters citing deficiencies in water systems. On the bottom line the reason for objections is always the same. Read more.

 

http://www.gmp-compliance.org/enews_4359_Water%20Systems%20in%20FDA%20Warning%20Letters_8398,8427,8428,Z-PEM_n.html

GMP News: Water Systems in FDA Warning Letters

Taking a look at FDA Warning Letters from the past two years, objections with regard to pharmaceutical water systems are rather seldom. However, when there are complaints, it is the more interesting that the reason for these complaints is mostly the same: missing reliability. What the authority means in this case is the proof that the water system is capable of securely and reliably producing water in the required quality – taking into account for example the fluctuations in the feed water. The necessary means for this purpose are the validation of the water system and the establishment of a monitoring system which continuously verifies the function.

Excerpts from Warning Letters:

1. Failure to validate and monitor the water purification system to ensure that water is of appropriate quality. […]  In your response to the observations noted during the 2012 inspection, you indicated your firm’s intention to conduct a comprehensive gap analysis of the purified water system. However, you have failed to indicate when you will initiate this gap analysis and when it will be completed. Your firm also failed to detail how you will determine the source(s) of high endotoxin and TOC in your purified water and how your firm will remedy identified problem(s). We note that, for example, your firm installed an endotoxin removal unit on your purified water system in January 2011 in response to the OOS results for endotoxin in the water used for API. However, your firm has not demonstrated that the water produced by the purified water system is now suitable for use in production. The operational parameters and effectiveness of the new endotoxin removal unit have not been qualified. Your firm does not monitor the microbial and chemical attributes of the feed water, and have no assurances that the purified water system is capable of consistently producing water that meets specifications for a given quality of feed water.

2. Your firm failed to assure that your water system is suitably designed and operated to produce appropriate water quality. Regarding the latter, your firm has not established and validated appropriate cleaning and sanitizing schedules for your purified water system. You have hired a water process subject matter expert and taken other steps to strengthen monitoring of the purified water system. Your response is not acceptable because you have not demonstrated that your purified water system is capable of operating in a continuing state of control.

3. […] your firm failed to subject the water to routine microbiological testing. Furthermore, your firm failed to validate the water system to ensure consistent water quality for drug production and implement procedures for maintaining or monitoring the quality of the water produced.


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DR ANTHONY CRASTO

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DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO Ph.D

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 GLENMARK PHARMACEUTICALS LTD, Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 30 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, Dr T.V. Radhakrishnan and Dr B. K. Kulkarni, 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 30 year tenure till date Dec 2017, 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 9 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 50 Lakh plus views on dozen plus blogs, He makes himself available to all, contact him on +91 9323115463, email amcrasto@gmail.com, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 19 lakh plus views on New Drug Approvals Blog in 216 countries......https://newdrugapprovals.wordpress.com/ , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc

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