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Doctor Details

2024/01/25
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Dr Tor Phern Chern

Photo of Dr Tor Phern Chern

Designations:

  • Programme Director & Senior Consultant, Department of Psychological Medicine, National University Hospital

Qualifications:

MBBS (Singapore), MMed (Psychiatry), FAMS

Specialties/Sub-specialties:

Psychiatry

Clinical Disciplines/Programmes:

General Adult Psychiatry

Special Interests:

Electroconvulsive Therapy, Transcranial Magnetic Stimulation, Ketamine, Interventional Psychiatry, Neurostimulation

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Biosketch

Phern-Chern Tor completed his medical degree at the National University of Singapore under the Singapore Armed Forces Local Study Award. In his military career he served as Head Psychological Care (PCC) services in the SAF and was responsible for the provision of psychiatric care for all enlistees and regular staff in the Singapore Armed Forces. During his tenure as Hd PCC he revamped the psychiatric services to provide consultant lead care, focused the services on outpatient assessments and established a Case Tracking Unit (CTU) .

In his psychiatric career, Phern-Chern distinguished himself by obtaining the Eli-Lily gold medal and the Singapore Psychiatric Association Book Prize for his undergraduate and postgraduate psychiatric examinations respectively. He has been active in education and research, publishing more than 80 peer reviewed articles and being an adjunct assistant professor in psychiatry for the Yong Loo Ling School of Medicine, Duke-NUS School of Medicine and Lee Kong Chian School of Medicine. He underwent advanced research and neurostimulation training at the Black Dog Institute, University of New South Wales and Toronto Western Hospital. 

He established the first Neurostimulation services at the Institute of Mental Health (Singapore) and was the inaugural Service Head and is now the inaugural Director of the Centre for Interventional Psychiatry at the National University Hospital of Singapore. He is also the Chairperson of the Section of Neurostimulation, College of Psychiatrists (Singapore), Treasurer of the International Society of ECT and Neurostimulation and Vice-President of the Singapore Neuromodulation Society, a Chapter of the International Neuromodulation Society.

He is interested in how functional connectivity and neuronavigation can enable precision psychiatry treatments of treatment resistant neuropsychiatric disorders.

Awards

  • Clinical Trial Grant - Investigator-Initiated Trials (CTG-IIT) July 2023: CTGIIT23jan-0001 A novel individualized connectome-guided approach for precision intermittent theta burst stimulation for depression: a double blind, randomized controlled trial
  • Temasek Funding-Public Health Innovation Feb 2023: TF2223-IMH-01 Personalised Transcranial Magnetic Stimulation Treatment For Depression
  • Traditional Chinese Medicine Research Grant (TCMRG) 5th Grant Call TCMRG-5-IMH-01 (Nov 21)
  • NHG Centre for Medical Technologies & Innovations (CMTi) Grant CMTi-21-01-01 
  • NMRC Clinician-Scientist / Clinician Investigator Salary Support Program (CS/CISSP) 25th Nov 2019
  • NMRC Clinician-Scientist Individual Research Grant New Investigator Grant 21st Feb 2019

Journals & Publications

  1. Tan, Xiao Wei MD, PhD; Gulwant Singh, Hasvinjit Kaur BSc; Koh, Jovi Zheng Jie BA; Tan, Rachel Si Yun BSocSci; Tor, Phern Chern MBBS, MMed. Personalised transcranial magnetic stimulation for treatment-resistant depression, depression with comorbid anxiety and negative symptoms of schizophrenia: a narrative review. Singapore Medical Journal 65(10):p 544-551, October 2024. | DOI: 10.4103/singaporemedj.SMJ-2024-133 [IF – 1.7]
  2. Nobuatsu Aoki, Aran Tajika, Taro Suwa, Hirotsugu Kawashima, Kazuyuki Yasuda, Toshiyuki Shimizu, Niina Uchinuma, Hirotaka Tominaga, Xiao Wei Tan, Azriel H K Koh, Phern Chern Tor, Stevan Nikolin, Donel Martin, Masaki Kato, Colleen Loo, Toshihiko Kinoshita, Toshi A Furukawa, Yoshiteru Takekita, Relapse Following Electroconvulsive Therapy for Schizophrenia: A Systematic Review and Meta-analysis, Schizophrenia Bulletin, 2024;, sbae169, https://doi.org/10.1093/schbul/sbae169 [IF – 5.3]
  3. Zhang JJY, Ang J, Saffari SE, Tor P-C, Lo YL, Wan KR. Repetitive Transcranial Magnetic Stimulation for Motor Recovery After Stroke: A Systematic Review and Meta-Analysis of Randomized Controlled Trials With Low Risk of Bias. Neuromodulation: Technology at the Neural Interface. 2024. [IF – 3.5]
  4. Ye Si Jia, Lu LinShan, Phu Hui Huang, Tan Xiao Wei, Tor Phern Chern, Repetitive transcranial magnetic stimulation for major depression and obsessive-compulsive disorders in Singapore https://doi.org/10.47102/annals-acadmedsg.202496 [IF – 2.5]
  5. Dong, V., Brettell, L., Massaneda-Tuneu, C., Rita Barreiros, A., Vinh Cao, T., Kelly, C., Zeng, Y., Aoki, N., Tor, P. C., Bayes, A., Branjerdporn, G., Sarma, S., Kwan, E., Waite, S., Mohan, T., Hussain, S., Gálvez, V., Weiss, A., Bull, M., Lou Chatterton, M., … Martin, D. (2024). Facilitating routine data collection to improve clinical quality and research in Interventional Psychiatry: The CARE Network. The Australian and New Zealand journal of psychiatry, 48674241266057. Advance online publication. https://doi.org/10.1177/00048674241266057 [IF – 4]
  6. Mahmood, S., Tan, X., Chen, B., & Tor, P. C. (2024). The Influence of Age on ECT Efficacy in Depression, Mania, Psychotic Depression and Schizophrenia: A Transdiagnostic Analysis. Journal of Psychiatric Research. [IF – 3.7]
  7. Glue P, Loo C, Fam J, Lane HY, Young AH, Surman P; BEDROC study investigators. Extended-release ketamine tablets for treatment-resistant depression: a randomized placebo-controlled phase 2 trial. Nat Med. 2024 Jun 24. doi: 10.1038/s41591-024-03063-x. Epub ahead of print. PMID: 38914860. [IF – 58.7]
  8. Tan X, Goh SE, Lee JJ, Vanniasingham SD, Brunelin J, Lee J, Tor PC. Efficacy of Using Intermittent Theta Burst Stimulation to Treat Negative Symptoms in Patients with Schizophrenia—A Systematic Review and Meta-Analysis. Brain Sciences. 2024; 14(1):18. https://doi.org/10.3390/brainsci14010018 [IF – 2.7]
  9. Teh, W. L., Liu, J., Chandwani, N., Lee, Y. W., Tor, P. C., Subramaniam, M., & Ho, R. C. Emotional urgency predicts bipolar symptoms, severity, and suicide attempt better than non-emotional impulsivity: a cross-sectional study. Frontiers in Psychology, 14, 1277655. [IF – 6.2]
  10. Birong, C., Wei, T. X., & Chern, T. P. (2023). The impact of the number of previous illness episodes on early response to electroconvulsive therapy (ECT) in psychosis, mania, depression, psychotic depression, and catatonia: A naturalistic transdiagnostic analysis. Psychiatry Research, 115580. [IF – 4.2]

Professional Memberships

  • Neuromodulation Society of Singapore (A Chapter of the International Neuromodulation Society) – Vice President (Aug 2024)
  • Clinical TMS Society Asian Special Interest Council - Secretary (Jul 2024)
  • International Neuromodulation Society 2024 (member)
  • Society of Biological Psychiatry 2023 (member)
  • International Society of ECT and Neurostimulation (ISEN) – Treasurer May 2022
  • Chairman for section of Neurostimulation, college of Psychiatrists, Academy of Medicine, Singapore (Apr 2021)
  • Clinical TMS Society: Member Apr 2016
  • International Society of ECT and Neurostimulation: 2016
  • Fellow of the Academy of Medicine Singapore 2014
  • Singapore Psychiatric Association: Member 2008
  • Singapore Medical Association: Member 2002

2024/11/21
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