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Neil Vasdev

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Neil Vasdev
ACSF, FRSC, FSNMMI
Born
Canada
Alma materMcMaster University
Known forPET radiopharmaceuticals
Scientific career
FieldsRadiochemistry, nuclear medicine and molecular imaging
InstitutionsCentre for Addiction and Mental Health; University of Toronto; Harvard Medical School; Massachusetts General Hospital; Northeastern University.

Neil Vasdev is a Canadian and American radiochemist and expert in nuclear medicine and molecular imaging, particularly in the application of PET. Radiotracers developed by the Vasdev Lab are in preclinical use worldwide, and many have been translated for first-in-human neuroimaging studies.[1] He is the director and chief radiochemist of the Brain Health Imaging Centre and director of the Azrieli Centre for Neuro-Radiochemistry at the Centre for Addiction and Mental Health (CAMH). He is the Tier 1 Canada Research Chair in Radiochemistry and Nuclear Medicine, the endowed Azrieli Chair in Brain and Behaviour and Professor of Psychiatry at the University of Toronto.[2] Vasdev has been featured on Global News,[3] CTV,[4] CNN,[5] New York Times,[6] Toronto Star[7] and the Globe and Mail for his innovative research program.

Vasdev began his independent faculty career at CAMH/University of Toronto in 2004. From 2011–2017 he served as the director of radiochemistry and an associate centre director at the Massachusetts General Hospital and served as an associate professor in the department of radiology at Harvard Medical School from 2012–2022. He was recruited back to CAMH and the University of Toronto in November 2017.

Life and education

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Vasdev grew up in Oakville, Ontario, Canada. He attended Oakville Trafalgar High School[8] and graduated from McMaster University in 1998 with double bachelor degrees, summa cum laude, Hon. BSc in chemistry and B.A. in psychology. He concurrently worked as chemist at Astra Pharma and Glaxo-Wellcome. He then earned his Doctorate of Chemistry, supported by NSERC, at McMaster University in 2003, under the supervision of Professors Raman Chirakal and Gary J. Schrobilgen. He continued training with a NSERC postdoctoral fellowship in the Department of Nuclear Medicine and Functional Imaging at the Lawrence Berkeley National Laboratory, mentored by Henry F. VanBrocklin.[9]

Honours and awards

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Scholarly and academic awards of Vasdev's career include:

  • Fellow of Society of Nuclear Medicine and Molecular Imaging in 2021, for his distinguished service to the Society, and exceptional achievement in the field of nuclear medicine and molecular imaging.[10]
  • Fellow of American Chemical Society in 2020, for his outstanding achievements and contributions to science, the profession and the Society.[11]
  • Fellow of Royal Society of Chemistry in 2020, for his impact to the field of chemical sciences[citation needed]
  • Research award of John R. Evans Leaders Fund 2019–2024 (specialty: Radiochemistry) from Canada Foundation for Innovation. This funding supports his proposal: "Automated apparatus for PET radiopharmaceuticals to image the living human brain"[citation needed]
  • Research award of Endowed Azrieli Chair in Brain and Behaviour 2018–2023 (Specialty: Neuroimaging) from University of Toronto.[12]
  • Research Award of Tier 1 Canada Research Chair in Radiochemistry and Nuclear Medicine 2017–2024 (specialty: Radiochemistry and Nuclear Medicine) from Canadian Institutes for Health Research (CIHR).[1]
  • Leaders Opportunity Fund (Research Infrastructure) 2009–2014 (specialty: Radiochemistry) from Canadian Foundation for Innovation.[13]

Research statements

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Iodonium ylide precursors for 18F-labeling

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Current methods to radiofluorinate non-activated aromatic rings are generally limited to esoteric electrophilic [18F]F2 reactions, transition-metal mediated, or iodonium salt based methods. The Vasdev Lab has a long-established history of labeling non-activated aromatics and recently discovered a simple synthetic strategy for incorporating [18F]fluoride into non-activated aromatic molecules using spirocyclic iodoium ylide based precursors. Based on their paper in Nature Communications, a patent has been licensed by the pharmaceutical industry to employ this method for the synthesis of radiopharmaceuticals in humans. Hence, the iodonium ylide technology for fluorination represents a major advance for PET imaging.[14]

11C-fixation strategies

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There is a need for new methods of 11C radiosynthesis because current methods are largely limited to methylation. The Vasdev lab has co-developed new techniques of 11CO2 fixation that are suitable for human use with diverse precursors synthesized by labeling at the carbonyl group (rather than the common methyl group). This methodology can label 11C-carbamates for imaging the enzyme FAAH ([11C]CURB) or 11C-oxazolidinones for imaging MAO-B (11C-SL25.1188), both of which they have translated for human use. They have also synthesized 11C-ureas and a 11C-carboxylic acid (11C-Bexarotene).[15]

New PET radiopharmaceuticals for Alzheimer's disease and brain injuries

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Vasdev has introduced new radiochemical methods and radiopharmaceuticals for imaging the living human brain.[16] The Vasdev Lab is exploring new ways to image neuroinflammation and tau protein.[17] He is the co-inventor of the method patent for the first and only FDA-approved tau-PET radiopharmaceutical Tauvid that has been employed worldwide to image patients with Alzheimer's disease (AD) and related dementias, as well as patients with symptomatic traumatic brain injuries, including professional athletes and military veterans. The Vasdev Lab is partnering with Concussion Legacy Foundation Canada and the Canadian Military to work on the Project Enlist to study whether some military training exercises could be negatively impacting long-term brain health.[3][18][4] “We are getting very close to advancing new radio tracers in humans to image the tau that is more prevalent in C.T.E.”.[6]

Selected publications

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Vasdev has over 10 families of patents and has published more than 150 peer-reviewed papers including:

References

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  1. ^ a b "Neil Vasdev". Canada Research Chairs. Government of Canada. 29 November 2012.
  2. ^ "Dr. Neil Vasdev". CAMH.
  3. ^ a b "Veterans and mental illness — How Canadian research could unlock the mysteries of the brain - National | Globalnews.ca". Global News. Retrieved 2022-11-14.
  4. ^ a b Petracek, Heidi (Jan 13, 2023). "Researchers investigating head trauma in the Canadian military want veterans to 'pledge their brain'". CTV News. Retrieved Jan 16, 2023.
  5. ^ Kounang, Nadia (2019-04-10). "A study of NFL players' brains might help diagnose CTE in the living". CNN. Retrieved 2023-02-24.
  6. ^ a b Belson, Ken (November 17, 2022). "A Test for C.T.E. in the Living May Be Closer Than Ever". The New York Times. Retrieved November 17, 2022.
  7. ^ "'The human brain is the final frontier.' $15M gift from Garron family a boost for CAMH's brain imaging centre". thestar.com. 2020-11-03. Retrieved 2023-02-24.
  8. ^ "Oakville native recruited to head new mental health research centre". InsideHalton.com. November 2017.
  9. ^ "Neil Vasdev". psychiatry.utoronto.ca.
  10. ^ "Society of Nuclear Medicine and Molecular Imaging Announces 2021 Fellows – SNMMI". www.snmmi.org.
  11. ^ "American Chemical Society names ACS Fellows for 2020". American Chemical Society.
  12. ^ Hansraj, Benita (6 November 2017). "CAMH builds on radioimaging legacy with creation of the Azrieli Centre for Neuro-Radiochemistry".
  13. ^ "KPE experts among U of T researchers sharing $9 million in new funding | UofT – Faculty of Kinesiology & Physical Education". kpe.utoronto.ca.
  14. ^ Stephenson, Nickeisha A.; Holland, Jason P.; Kassenbrock, Alina; Yokell, Daniel L.; Livni, Eli; Liang, Steven H.; Vasdev, Neil (1 March 2015). "Iodonium Ylide–Mediated Radiofluorination of 18F-FPEB and Validation for Human Use". Journal of Nuclear Medicine. 56 (3): 489–492. doi:10.2967/jnumed.114.151332. PMC 4878451. PMID 25655630 – via jnm.snmjournals.org.
  15. ^ Rotstein, Benjamin H.; Liang, Steven H.; Holland, Jason P.; Collier, Thomas Lee; Hooker, Jacob M.; Wilson, Alan A.; Vasdev, Neil (28 May 2013). "11CO2 fixation: a renaissance in PET radiochemistry". Chemical Communications. 49 (50): 5621–5629. doi:10.1039/C3CC42236D. PMC 5604310. PMID 23673726.
  16. ^ Varlow, Cassis; Vasdev, Neil (2022-09-01). "Evaluation of Tau Radiotracers in Chronic Traumatic Encephalopathy". Journal of Nuclear Medicine. 64 (3): 460–465. doi:10.2967/jnumed.122.264404. ISSN 0161-5505. PMC 10071800. PMID 36109185. S2CID 252309243.
  17. ^ Narayanaswami, Vidya; Dahl, Kenneth; Bernard-Gauthier, Vadim; Josephson, Lee; Cumming, Paul; Vasdev, Neil (1 January 2018). "Emerging PET Radiotracers and Targets for Imaging of Neuroinflammation in Neurodegenerative Diseases: Outlook Beyond TSPO". Molecular Imaging. 17: 153601211879231. doi:10.1177/1536012118792317. PMC 6134492. PMID 30203712.
  18. ^ "Project Enlist researching military veterans' brains to study CTE | Watch News Videos Online". Global News. Retrieved 2022-11-11.
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