• The “It all comes out at Once” Paradox
• Exhaustive Extractions as a Source of Kinetic Release Data
• Predicting Exhaustive Extractions with a Minimum Number of Extraction Steps
• A Protective Approach to Quantitation and Managing the AET
• What number and types of extraction solvents are appropriate?
Berk Oktem is a Chemist and Toxicologist at US FDA’s Center for Devices and Radiological Health, Office of Orthopedic Devices. He serves as a lead or technical expert for pre-market reviews and conducted research focused on extractables, leachables analysis, small molecule identification and analysis, polymer degradation and proteomics for more than 20 years. He received his Ph.D. in Analytical Chemistry from the University of Delaware, performed post-doctoral research at Johns Hopkins School of Medicine and also spent 10 years in private sector as research and applications scientist in product development of chemical analysis systems prior to joining FDA.
Mr. Chen Hong is currently the Director of the Research Institute of Qianjin Pharmaceutical. He is a pharmaceutical expert under the “Talent Program” of Sichuan Province, a pharmaceutical expert under the “Talent Program” of Hebei Province, and a specially-appointed expert by the Bureau of Foreign Trade Commission (BFTC). He received his doctorate degree in Analytical Chemistry from Cleveland State University in 1996. He received his PhD in Analytical Chemistry from Cleveland State University in 1996, and then spent two years as a post-doctoral researcher in biopharmaceuticals at the Cleveland Clinic Foundation, which is ranked No. 1 in the United States for cardiology.
Jie Liang is a researcher/doctoral director at the College of Biomedical Engineering/National Engineering Research Center for Biomaterials (NERCB), Sichuan University, and vice president of the Institute of Regulatory Science for Medical Devices, Sichuan University, Director of the Sichuan Testing Center for Biomaterials and Medical Devices. Her main research areas focus on new bioactive tissue regeneration and repair materials, tissue engineering product development and application technology, biomaterials and medical device testing and evaluation technology and methodology.
Main academic part-time jobs: director of the Chinese Society for Biomaterials, vice chairman of the regenerative medicine materials branch, member of the National Medical Devices Standardization Technical Committee (SAC/TC248 (vice-chairman), SAC/TC99, SAC/TC110/SC3), member of the Medical Device Classification Technical Specialized Committee of the State Drug Administration.
Pu Xiaocong, PhD, senior engineer, graduated from the National Biomedical Materials Engineering Technology Research Center of Sichuan University with a major in materials science. She is a high-level overseas student in Sichuan Province and a visiting scholar at the University of Maryland. He is the deputy director of the Packaging Materials and Pharmaceutical Excipients Inspection Institute of Sichuan Provincial Institute of Drug Inspection (Sichuan Medical Device Testing Center). He is an industry mentor for professional degree graduate students at Sichuan University, an off-campus master's mentor for the School of Pharmacy of Chengdu University, an off-campus practice mentor for master's students of pharmacy at Chengdu Medical College, and an expert of the Sichuan Provincial Intermediate Professional Title Evaluation Committee for Pharmaceutical Engineering. He is a provincial medical device inspector in Sichuan Province, an authorized signatory in the field of pharmaceutical packaging materials and medical devices, and has entered the talent echelon of the special working group of the Pharmaceutical Packaging Materials Professional Committee of the 12th Pharmacopoeia Committee.
Dr. Leshuai Zhang obtained his PhD from North Carolina State University in 2010, where he studied skin toxicology. After graduation, Dr. Zhang joined the Center for Drug Evaluation and Research, US FDA as a Research Fellow where he received drug reviewer training for drug evaluation and investigated the mechanisms of drug induced toxicity. In 2012, Dr. Zhang joined Nanotechnology Innovation Center in Kansas State University as a research assistant professor, focusing on hepatotoxicity of food additives and nanomaterials. Since 2014, he joined Soochow University as a professor, currently working on nano-immunotherapy and hepatotoxicity evaluation of nanomaterials using 3D liver models. He has published over 40 SCI papers in toxicology, pharmacology and nanomedicine area with more than 1500 citations. He holds internationally certified/registered toxicologist including DABT, ERT, UKRT and DCST.
Dennis Jenke is the Chief Executive Scientist for Triad Scientific Solutions, a provider of science-based solutions to plastic/product compatibility challenges associated with packaging, manufacturing equipment and delivery devices in the pharmaceutical, cosmetic, food and related industries. He was a Distinguished Scientist at Baxter Healthcare Corporation where for more than four decades he lead a team whose primary responsibility includes the assessment of material/product compatibility, specifically with respect to establishing the suitability for use of packaging systems, manufacturing systems and administration devices for pharmaceutical products (for example, extractables/leachables and product ingredient binding)
Jingwen Shi is currently a chemical scientist at the Medtronic China R&D Center. She is responsible for researching materials of concern (MOC), chemical characterization, and general chemical analysis for medical devices. She has successfully completed MOC assessments for several globally submitted medical device products throughout their entire lifecycle, including material screening, supplier information evaluation, testing research, and regulatory compliance documentation. Prior to joining Medtronic, she focused on antibody and peptide research, successfully completing multiple IND and NDA projects. She got a master’s degree in organic chemistry from Shanghai Jiao Tong University.
Xiaolong Rong , Technical director of Chemistry Laboratory at WuXi AppTec Medical Device Testing Center. He has more than 10 years of research experience in pharmaceutical packaging material drug compatibility and medical device chemical characterization. He has extensive relevant experience in high-risk device such as surgical implants, cardiovascular interventional devices, neurology and neurosurgery implants, dialysis, anesthesia and respiratory devices, as well as drug-device combinations. In addition, he is familiar with the regulatory requirements of major global markets. Before joining WuXi AppTec, he served successively at Baxter Global R&D Center and BD R&D Center, where he was responsible for the drug compatibility of packaging materials and the chemical characterization of medical devices.
Candice is part of Smithers’ Extractables and Leachables (E&L) team at Shawbury in the UK. She has been working for Smithers for 6 months so far and has been learning as much as possible about E&L.
Candice has completed a PhD in oral nanoscience at the University of Bristol. She began her work career as a technical specialist in the healthcare industry, particularly supporting laboratories in the NHS and private sector before moving into the chemical sector as a technical sales manager.
Qualifications
Candice has a BSC (Hons) in Biomedical Materials Science and a PhD in Oral Nanoscience.
Zhai Zhichen, Director of the IBMD-TC (Guangdong Institute of Advanced Biomaterials and Medical Devices, Testing Center); Standing member of the Regenerative Medicine Translational Group of the Restorative Surgery Professional Committee, Chinese Society Association of Rehabilitation Medicine; Member of the Biomaterials Biological Evaluation Branch of the Chinese Society for Biomaterials. He is mainly engaged in basic and applied research in the fields of biomaterials/medical devices, stem cells, and regenerative medicine; evaluation and development of safety and effectiveness testing methods for medical devices and stem cells; medical device regulatory science research, etc. He has published 15 scientific papers in international peer-reviewed journals, such as Matter, Cell Death & Disease, Theranostics, Scientific Reports, etc., and applied & authorized 4 patents.
- Principal Chemist at NAMSA, Obernburg, Germany: Responsible for technical and scientific projects and requests in the field of E&L testing of medical devices.
- Joined NAMSA in 2017 working as analytical chemist with main focus on LC-MS and as study director designing and executing chemical characterization test programs.
- Over 10 years of professional experience in CROs in the fields of dietetic food, food supplements, pharmaceuticals and medical devices.
- Graduated as state certified food chemist in 2013 at the State Office for Health and Food Safety, Bavaria, Germany.
- Graduated as food chemist in 2012 at the University of Würzburg.
Dr. Yang Weichun is currently the Global Laboratory Head and Senior Director of Fresenius. Prior to joining Fresenius, Dr. Yang was the Senior Director of Heshen Pharmaceuticals, responsible for all analytical activities in the Wuxi plant. He has worked in the fields of medicine and environment for more than 20 years. He has published more than 30 academic papers at home and abroad and participated in the writing of several professional books and industry standards.
Xiaoxia Ye is the manager of trace impurity investigation lab at Huadong Medicine. She is responsible for E/L and trace-impurity-related studies for pharmaceutical products. Xiaoxia Ye obtained Ph.D. degree from University of Alberta and has more than 15 years’ experience in chemical characterization using mass spectrometry.
Paavo Sillanpää is Global Senior Manager Business Development, Pharma in UPM Raflatac and has more than 20 years’ experience in the label industry. He is focusing on developing solutions to different pharmaceutical and healthcare labeling applications and helping brand owners in label material selection and qualification process. Paavo holds a master’s degree in marketing from University of Vaasa. He currently based in Europe, but has gained understanding of the global market requirements by living and working both in Asia and in United States.
Fu Peilin, R&D center director, Shenyang Sinqi Pharmaceutical Co.,Ltd., Ph.D of pharmaceutical analysis, Shenyang Pharmaceutical University; Master’s supervisor, China Medical University; Pharmaceutical analysis expert, China Medicine Education Association; China youth May 4th Medal; Person in charge of public platform for science and technology services of "compatibility of pharmaceutical products and packaging research", Shenyang Bureau of Science and Technology; Specializing in the compatibility of pharmaceutical products and packaging materials; Co-edited the first book in China — “Theory and Practice of Compatibility of Pharmaceutical Products and Packaging”.
Yi Zhang has over 20 years experiences in developing analytical methods for drug products and was responsible for Guangzhou E/L laboratory building and operation from 2010. As the principal scientist, she currently leads E/L study programs in packaging systems for pharmaceutical products and in disposable components for manufacturing process, and has engaged in hundreds of compatibility testing on drug packaging. In additional, she is also senior researcher of Guangdong Academy of Sciences Drug Preclinical Evaluation Center and supports the new products development for industries.
With years of dedication to the establishment of extractables data for filters and single-use system components, I am well-versed in the potential leachables of various types of filters and plastic components. I have extensive experience in developing methods for extractables and leachables studies, including qualitative and quantitative analysis, as well as safety assessments. Additionally, I possess substantial project management experience and am familiar with the application scenarios of filters and plastic components in customer settings. I understand the common challenges customers face in extractables and leachables research and regulatory submissions, and I provide scientifically validated services that meet regulatory requirements.
Armin has held the role of Principal Scientist at Sartorius Stedim Biotech GmbH in R&D and PD since 2016. After his PhD, he started his career in the R&D department of Ciba-Geigy in 1995. During his time at Ciba, Novartis, and Ciba Specialty Chemicals, he was head of laboratories for organic trace-analysis, GLP & GMP analytics, where he was responsible for impurity profiling, migration studies, E&L investigations, development of GMP quality control methods, and stability testing. After 2010 he worked as a consultant and Qualified Person (QP) for Intertek in Switzerland.
Armin is a lecturer and trainer in E&L at conferences and seminars and is a member of various industry consortia (BPSA, BPOG, DECHEMA, MIT BioMan). Since this year, he has been the nominated Chairperson of the Pharmacopeia expert group 16 in the European Directorate for Quality of Medicine (EDQM).
Marine LEPOUTRE currently holds the position of Global Subject Matter Expert in Extractable & Leachable at GSK Vaccines and is responsible for aligning all GSK Vaccines sites with current regulatory requirements. Before this position, in his role of process expert for Belgium site, she leads process validation as homogeneity, holding time, lifetime and lyophilisation. Marine is a Chemical Process Engineer with a master’s degree in Chemistry from CPE Lyon in France.