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Raymond Mak
MD, FRCPC

Investigator and Allergist, BC Children's Hospital

Dr. Mak is investigating food allergy immunotherapy as a way to make allergies less severe and to improve quality of life.

Academic Affiliations

  • Clinical Assistant Professor, Division of Allergy and Immunology, Department of Medicine, Faculty of Medicine, University of British Columbia
  • Research Theme: Evidence to Innovation
  • Research Group(s): Clinical Pharmacology; Clinical Practice, Outcomes and Innovation

Contact Information

Location

4480 Oak Street, Vancouver, British Columbia, Canada, V6H 3V4

S19605@phsa.ca

A Proposed Framework for an Interdisciplinary Food Allergy Immunotherapy Program for Pediatric Patients Transitioning to Adult Care

Journal of Allergy and Clinical Immunology in Practice

Tong, J.Y. and Williams, B.A. and Cameron, S.B. and Chan, E.S. and Cook, V.E. and Dhaliwal, R. and Golding, M.A. and Le Blanc, V. and Morrison, K. and Protudjer, J.L.P. and Soller, L. and Vander Leek, T.K. and Wong, T. and Yatham, K. and Mak, R.

DOI: 10.1016/j.jaip.2025.05.040

The use of grocery-sourced real-food solutions in sublingual immunotherapy for food allergies

Annals of Allergy Asthma and Immunology

Williams, B.A. and Baaske, A. and Soller, L. and Erdle, S.C. and Wong, T. and Mak, R. and Schroeder, N.D. and Chan, E.S.

DOI: 10.1016/j.anai.2025.03.001

New Delivery Models of Cognitive Behavioral Therapy"Based Interventions for Food Allergy Anxiety

Journal of Allergy and Clinical Immunology in Practice

Tong, J.Y. and Lee, Z. and Burns, K.D. and Protudjer, J.L.P. and Golding, M.A. and Mak, R. and Soller, L. and Chan, E.S.

DOI: 10.1016/j.jaip.2025.04.050

Comparing approaches to ordering peanut component"resolved diagnostics to reduce the need for oral food challenges

Journal of Allergy and Clinical Immunology Global

Mak, R. and Chan, E.S. and Irvine, M. and Huang, J.Y. and Hethey, J. and Hartstein, S. and Wang, L.

DOI: 10.1016/j.jacig.2025.100440

Preschool Oral Immunotherapy Is Associated With Improved Parental Food Allergy-Specific Anxiety and Quality of Life: A Real-World Observational Study

Clinical and Experimental Allergy

Baaske, A. and Golding, M.A. and Protudjer, J.L.P. and Chooniedass, R. and Cameron, S.B. and Cook, V.E. and Kapur, S. and Rex, G. and McHenry, M. and Wong, T. and Mak, R. and Erdle, S.C. and Vander Leek, T.K. and Tong, J.Y. and Chan, E.S. and Soller, L.

DOI: 10.1111/cea.70111

Antepartum vs postpartum amoxicillin oral challenge in pregnant patients with a reported penicillin allergy: A two-center prospective cohort study

Acta Obstetricia Et Gynecologica Scandinavica

Wong, J.M.H. and Liu, X. and Mak, R. and Erdle, S.C. and Barber, C. and van Schalkwyk, J. and Watt, M. and Ande, S.R. and Ochulor, D. and Elwood, C. and Poliquin, V.

DOI: 10.1111/aogs.14964

Safety and Effectiveness of Bypassing Oral Immunotherapy Buildup With an Initial Phase of Sublingual Immunotherapy for Higher-Risk Food Allergy

Journal of Allergy and Clinical Immunology: In Practice

Soller, L. and Williams, B.A. and Mak, R. and Wong, T. and Erdle, S.C. and Chomyn, A. and Tetreault, B. and Morrison, K. and Gaudet, L. and Chan, E.S.

DOI: 10.1016/j.jaip.2024.02.024

Reliability and validation of an electronic penicillin allergy risk-assessment tool in a pregnant population

Allergy Asthma and Clinical Immunology

Wang, J. and Elwood, C. and Paquette, V. and Kwan, N. and Erdle, S. and Watt, M. and Van Schalkwyk, J. and Bone, J.N. and Roberts, A. and Mak, R. and Wong, T.

DOI: 10.1186/s13223-024-00918-3

Developing and disseminating an electronic penicillin allergy de-labelling tool using the model for improvement framework

Allergy Asthma and Clinical Immunology

Saravanabavan, S. and McKernan, P. and Cameron, S. and Kwan, N. and Kang, K.T. and Roberts, A. and Carr, R. and Mak, R. and Elwood, C. and Paquette, V. and Stimpson, R. and Abrahams, B. and Chan, E.S. and Slayter, K. and Rahier, A. and Sainchuk, I. and Olsen, S. and Kucey, M. and Shamseddine, J. and Babiker, Z.O.E. and Wong, T.

DOI: 10.1186/s13223-024-00942-3

Working With Surgeons Who Provide Endoscopy in Underserved Areas for the Management of Eosinophilic Esophagitis

Journal of Allergy and Clinical Immunology: In Practice

Chua, G.T. and Dhir, A. and Cameron, S.B. and Avinashi, V. and Erdle, S.C. and Mak, R. and Ko, H.H. and Chan, E.S.

DOI: 10.1016/j.jaip.2024.02.006

Bypassing the build-up phase for oral immunotherapy in shrimp-allergic children

World Allergy Organization Journal

Schoos, A.-M.M. and Chan, E.S. and Wong, T. and Erdle, S.C. and Chomyn, A. and Soller, L. and Mak, R.

DOI: 10.1016/j.waojou.2023.100865

True Rate of Allergy among Pediatric Inpatients with Penicillin Allergy Labels (TRIAL)

Canadian Journal of Hospital Pharmacy

Kwan, N. and Kang, K. and Carr, R.R. and Mak, R. and Roberts, A. and Jin, F. and Bone, J.N. and Rassekh, S.R. and Wong, T.

DOI: 10.4212/cjhp.3531

Lactose intolerance

Encyclopedia of Food Allergy

Lee, K. and Erdle, S. and Mak, R.

DOI: 10.1016/B978-0-323-96018-2.00031-6

Comparing pharmacists versus allergists in low-risk penicillin allergy delabelling: The Hong Kong Penicillin Allergy Pharmacist Initiative (HK-PAPI)

World Allergy Organization Journal

Hooi, J.K.Y. and Low, M.C.H. and To, J.C.L. and Mak, H.W.F. and Choi, M.M. and Tam, C.C.P. and Mak, R.W.M. and Wong, V.K.C. and Chan, T.C.C. and Li, A.W.T. and Mak, C.C.Y. and Chiang, V. and Chu, G.K.H. and Wong, J.C.Y. and Li, P.H.

DOI: 10.1016/j.waojou.2024.101003

Penicillin allergy de-labeling: Adaptation of risk stratification tool for patients and families

World Allergy Organization Journal

Horwitz, S.L. and Shen, Y. and Erdle, S.C. and Elwood, C. and Mak, R. and Jacob, J. and Wong, T.

DOI: 10.1016/j.waojou.2024.100939

Real-World Safety Analysis of Preschool Tree Nut Oral Immunotherapy

Journal of Allergy and Clinical Immunology: In Practice

Erdle, S.C. and Cook, V.E. and Cameron, S.B. and Yeung, J. and Kapur, S. and McHenry, M. and Chan, E.S. and Mak, R. and Rex, G.A. and Wong, T. and Soller, L.

DOI: 10.1016/j.jaip.2023.01.031

Safety and effectiveness of the Canadian food ladders for children with IgE-mediated food allergies to cows milk and/or egg

Allergy, Asthma and Clinical Immunology

Chomyn, A. and Chan, E.S. and Yeung, J. and Cameron, S. and Chua, G.T. and Vander Leek, T.K. and Williams, B.A. and Soller, L. and Abrams, E.M. and Mak, R. and Wong, T.

DOI: 10.1186/s13223-023-00847-7

Risk factors associated with safety of preschool peanut oral immunotherapy

Journal of Allergy and Clinical Immunology: Global

Karunakaran, D. and Chan, E.S. and Zhang, Q. and Bone, J.N. and Carr, S. and Kapur, S. and Rex, G.A. and McHenry, M. and Cameron, S.B. and Cook, V.E. and Leo, S. and Wong, T. and Gerstner, T.V. and Yeung, J. and Abrams, E.M. and Mak, R. and Erdle, S.C. and Soller, L.

DOI: 10.1016/j.jacig.2023.100094

Penicillin de-labelling in vancouver, British Columbia, Canada: comparison of approaches, outcomes and future directions

Allergy, Asthma and Clinical Immunology

Saravanabavan, S. and Aulakh, A. and Douglas, J. and Elwood, C. and Erdle, S. and Grant, J. and Kang, K.T. and Kwan, N. and Lacaria, K. and Lau, T.T.Y. and Lee, C. and Leung, V. and Lin, Y.-C. and Mah, A. and Nguyen, A. and Paquette, V. and Roberts, A. and Watt, M. and Van Schalkwyk, J. and Zhang, B.Y. and Mak, R. and Wong, T.

DOI: 10.1186/s13223-023-00777-4

Reply to Peanut allergy prevention: A mother's perspective

Journal of Allergy and Clinical Immunology: In Practice

Chua, G.T. and Greenhawt, M. and Shaker, M. and Soller, L. and Abrams, E.M. and Cameron, S.B. and Cook, V.E. and Erdle, S.C. and Fleischer, D.M. and Mak, R. and Vander Leek, T.K. and Chan, E.S.

DOI: 10.1016/j.jaip.2023.02.012

Virtually supported penicillin allergy de-labelling during COVID-19

Allergy, Asthma and Clinical Immunology

Ghassemian, A. and Sadi, G. and Mak, R. and Erdle, S. and Wong, T. and Jeimy, S.

DOI: 10.1186/s13223-023-00770-x

Real-world data are critical for the implementation of preschool food allergen immunotherapy

Journal of Allergy and Clinical Immunology: In Practice

Chua, G.T. and Greenhawt, M. and Shaker, M. and Soller, L. and Abrams, E.M. and Cameron, S.B. and Cook, V.E. and Erdle, S.C. and Fleischer, D.M. and Mak, R. and Vander Leek, T.K. and Chan, E.S.

DOI: 10.1016/j.jaip.2023.05.037

Cannabis-fruit/vegetable syndrome: an unusual case without pollen co-sensitization

Research Square

Wang, J. and Lam, G. and Mak, R.

DOI: 10.21203/rs.3.rs-3113311

How We Manage Gastrointestinal Symptoms During Oral Immunotherapy Through a Shared Decision-Making Process"A Practical Guide for the Community Practitioner

Journal of Allergy and Clinical Immunology: In Practice

Chua, G.T. and Chan, E.S. and Invik, R. and Soller, L. and Avinashi, V. and Erdle, S.C. and Wong, T. and Cook, V.E. and Mak, R. and Cameron, S.B.

DOI: 10.1016/j.jaip.2022.11.015

The Case for Prompt Salvage Infant Peanut Oral Immunotherapy Following Failed Primary Prevention

Journal of Allergy and Clinical Immunology: In Practice

Chua, G.T. and Greenhawt, M. and Shaker, M. and Soller, L. and Abrams, E.M. and Cameron, S.B. and Cook, V.E. and Erdle, S.C. and Fleischer, D.M. and Mak, R. and Vander Leek, T.K. and Chan, E.S.

DOI: 10.1016/j.jaip.2022.05.040

Safety of direct oral challenge to amoxicillin in pregnant patients at a Canadian tertiary hospital

Journal of Allergy and Clinical Immunology: In Practice

Mak, R. and Yuan Zhang, B. and Paquette, V. and Erdle, S.C. and Van Schalkwyk, J.E. and Wong, T. and Watt, M. and Elwood, C.

DOI: 10.1016/j.jaip.2022.03.025

Patient selection for milk and egg ladders using a food ladder safety checklist

Allergy, Asthma and Clinical Immunology

Chua, G.T. and Chan, E.S. and Yeung, J. and Cameron, S.B. and Soller, L. and Williams, B.A. and Chomyn, A. and Vander Leek, T.K. and Abrams, E.M. and Mak, R. and Wong, T.

DOI: 10.1186/s13223-022-00696-w

Real-world peanut OIT in infants may be safer than non-infant preschool OIT and equally effective

Journal of Allergy and Clinical Immunology: In Practice

Soller, L. and Carr, S. and Kapur, S. and Rex, G.A. and McHenry, M. and Cook, V.E. and Leo, S. and Wong, T. and Vander Leek, T.K. and Gerstner, T.V. and Yeung, J. and Abrams, E.M. and Mak, R. and Hildebrand, K.J. and Erdle, S.C. and Cameron, S.B. and Chan, E.S.

DOI: 10.1016/j.jaip.2021.12.009

First Real-World Effectiveness Analysis of Preschool Peanut Oral Immunotherapy

Journal of Allergy and Clinical Immunology: In Practice

Soller, L. and Abrams, E.M. and Carr, S. and Kapur, S. and Rex, G.A. and Leo, S. and McHenry, M. and Vander Leek, T.K. and Yeung, J. and Cook, V.E. and Wong, T. and Hildebrand, K.J. and Mak, R. and Gerstner, T.V. and Cameron, S.B. and Chan, E.S.

DOI: 10.1016/j.jaip.2020.10.045

Implementing a penicillin allergy delabeling service for the obstetric population

Journal of Allergy and Clinical Immunology: In Practice

Zhang, B.Y. and Paquette, V. and McClymont, E. and Barlas, A. and Wong, T. and Watt, M. and Mak, R. and Elwood, C.

DOI: 10.1016/j.jaip.2021.01.023

Use of quality improvement science to improve the accuracy of drug allergy status in pediatric patients after allergist assessments

British Columbia Medical Journal

Wong, T. and Ito, C. and Mak, R. and Abrahams, B. and Dang, J.

Canadian food ladders for dietary advancement in children with IgE-mediated allergy to milk and/or egg

Allergy, Asthma and Clinical Immunology

Chomyn, A. and Chan, E.S. and Yeung, J. and Vander Leek, T.K. and Williams, B.A. and Soller, L. and Abrams, E.M. and Mak, R. and Wong, T.

DOI: 10.1186/s13223-021-00583-w

Bc society of allergy and immunology statement on the climate crisis

British Columbia Medical Journal

Kaviani, M. and Torabi, B. and Mak, R. and Coates, E. and Stepaniuk, P. and Kim, S. and Chan, E. and Kanani, A. and Wong, H.C.G. and Cook, V.E. and Lee, K. and Kular, H. and Datta, V.M. and Erdle, S.C. and Leo, S. and Perkins, S. and Yu, J. and Wadiwalla, S. and Sandhu, M. and Wong, T.

Home-Based Peanut Oral Immunotherapy for Low-Risk Peanut-Allergic Preschoolers During the COVID-19 Pandemic and Beyond

Frontiers in Allergy

Chua, G.T. and Chan, E.S. and Soller, L. and Cook, V.E. and Vander Leek, T.K. and Mak, R.

DOI: 10.3389/falgy.2021.725165

DRESS induced by amoxicillin-clavulanate in two pediatric patients confirmed by lymphocyte toxicity assay

Allergy, Asthma and Clinical Immunology

Dhir, A. and Kular, H. and Elzagallaai, A.A. and Carleton, B. and Rieder, M.J. and Mak, R. and Wong, T.

DOI: 10.1186/s13223-021-00535-4

Safety of administering cefazolin versus other antibiotics in penicillin-allergic patients for surgical prophylaxis at a major Canadian teaching hospital

Surgery (United States)

Grant, J.M. and Song, W.H.C. and Shajari, S. and Mak, R. and Meikle, A.T. and Partovi, N. and Masri, B.A. and Lau, T.T.Y.

DOI: 10.1016/j.surg.2021.03.022

Allergic reactions to emerging food allergens in Canadian children

Allergy, Asthma and Clinical Immunology

Soller, L. and La Vieille, S. and Cameron, S.B. and Mak, R. and Cook, V.E. and Gerdts, J. and Chan, E.S.

DOI: 10.1186/s13223-021-00573-y

Resurrection of Oral Arsenic Trioxide for Treating Acute Promyelocytic Leukaemia: A Historical Account From Bedside to Bench to Bedside

Frontiers in Oncology

Kumana, C.R. and Mak, R. and Kwong, Y.-L. and Gill, H.

DOI: 10.3389/fonc.2020.01294

A 6-month-old with urticaria when crawling

Paediatrics and Child Health (Canada)

Erdle, S.C. and Mak, R.

DOI: 10.1093/pch/pxy189

First Real-World Safety Analysis of Preschool Peanut Oral Immunotherapy

Journal of Allergy and Clinical Immunology: In Practice

Soller, L. and Abrams, E.M. and Carr, S. and Kapur, S. and Rex, G.A. and Leo, S. and Lidman, P.G. and Yeung, J. and Vander Leek, T.K. and McHenry, M. and Wong, T. and Cook, V.E. and Hildebrand, K.J. and Gerstner, T.V. and Mak, R. and Lee, N.J. and Cameron, S.B. and Chan, E.S.

DOI: 10.1016/j.jaip.2019.04.010

Antimicrobial stewardship program directed at broad-spectrum intravenous antibiotics prescription in a tertiary hospital

European Journal of Clinical Microbiology and Infectious Diseases

Cheng, V.C.C. and To, K.K.W. and Li, I.W.S. and Tang, B.S.F. and Chan, J.F.W. and Kwan, S. and Mak, R. and Tai, J. and Ching, P. and Ho, P.L. and Seto, W.H.

DOI: 10.1007/s10096-009-0803-8

Oral arsenic trioxide in the treatment of relapsed acute promyelocytic leukemia [1]

Blood

Au, W.-Y. and Kumana, C.R. and Kou, M. and Mak, R. and Chan, G.C.F. and Lam, C.-W. and Kwong, Y.-L.

DOI: 10.1182/blood-2003-01-0298

Clinicopathological features and risk factors of clinically overt haemorrhagic cystitis complicating bone marrow transplantation

Bone Marrow Transplantation

Leung, A.Y.H. and Mak, R. and Lie, A.K.W. and Yuen, K.Y. and Cheng, V.C.C. and Liang, R. and Kwong, Y.L.

DOI: 10.1038/sj.bmt.1703415

Systemic availability of arsenic from oral arsenic-trioxide used to treat patients with hematological malignancies

European Journal of Clinical Pharmacology

Kumana, C.R. and Au, W.Y. and Lee, N.S.L. and Kou, M. and Mak, R.W.M. and Lam, C.W. and Kwong, Y.L.

DOI: 10.1007/s00228-002-0514-x

Penicillin De-labelling in Vancouver, British Columbia, Canada: Comparison of Approaches, Outcomes and Future Directions

Home-Based Peanut Oral Immunotherapy for Low-Risk Peanut-Allergic Preschoolers During the COVID-19 Pandemic and Beyond

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