Loralie J. Langman
Mayo Clinic, USA
Souleiman El Balkhi
Limoges, France
Smith K, Genesi BT, Boyd JM, Johnson-Davis KL. Improvements, Challenges, and the Investigation of Two Unknowns in Arsenic Urine Speciation Analysis by HPLC-ICP-MS: From Development to Post-implementation. Ther Drug Monit. 2026 Apr 1;48(2):235-243. doi: 10.1097/FTD.0000000000001412. Epub 2025 Dec 23. PMID: 41348096; PMCID: PMC12978725.
Shean RC, Johnson-Davis KL. Broad-Spectrum Drug Screening Positivity Rates in Pediatrics and Adults: The Reference Laboratory Perspective. Ther Drug Monit. 2026 Apr 1;48(2):244-251. doi: 10.1097/FTD.0000000000001400. Epub 2025 Oct 10. PMID: 41068998; PMCID: PMC12978719.
Masuda S, Lemaitre F, Barten MJ, Bergan S, Shipkova M, van Gelder T, Vinks S, Wieland E, Bornemann-Kolatzki K, Brunet M, de Winter B, Dieterlen MT, Elens L, Ito T, Johnson-Davis K, Kunicki PK, Lawson R, Lloberas N, Marquet P, Millan O, Mizuno T, Moes DJAR, Noceti O, Oellerich M, Pattanaik S, Pawinski T, Seger C, van Schaik R, Venkataramanan R, Walson P, Woillard JB, Langman LJ. Everolimus Personalized Therapy: Second Consensus Report by the International Association of Therapeutic Drug Monitoring and Clinical Toxicology. Ther Drug Monit. 2025 Feb 1;47(1):4-31. doi: 10.1097/FTD.0000000000001250. Epub 2024 Sep 25. PMID: 39331837.
Kunz M, Wagmann L, Schuster M, Götzinger F, Andreas Link, Felix Mahfoud. Unveiling Cardiac Complications: A Case of Amisulpride Overdose Leading to Bradycardia, QT-Prolongation, and Torsade de Pointes Tachycardia. Ther Drug Monit. 2025 Mar 5;47(4):462-465. doi: 10.1097/FTD.0000000000001318. PMID: 40643136
Jacobs CM, Wagmann L, Meyer MR. Sample Matrices for Mass Spectrometry-Based Adherence Monitoring: A Systematic Critical Review. Ther Drug Monit. 2024 Feb 1;46(1):6-15. doi: 10.1097/FTD.0000000000001145. PMID: 37798828
Koppen AJ, Mian P, Sturkenboom MGG. A comprehensive overview of the treatment of acute paracetamol overdose. Ther Drug Monit. 2025 Oct 31. doi: 10.1097/FTD.0000000000001403. Online ahead of print. PMID: 41182883.
Kroes, JH, Poortvliet J, Touw DJ, Oortgiesen B, Sturkenboom MGG. Paracetamol half-life declines over time following an acute overdose. Ther Drug Monit. 2025 Sep 24. doi: 10.1097/FTD.0000000000001395. Online ahead of print. PMID: 40990326.
Nazar M, Kootstra-Ros JE, Touw DJ, Sturkenboom MGG. In vitro study of the effects of acetylcysteine on the international normalized ratio over time. Ther Drug Monit. 2025 Jul 14. doi: 10.1097/FTD.0000000000001356. Online ahead of print. PMID: 40663728.
Steenkamp V, Parkar H, Raphiri B, Neuman MG, Dasgupta A. Herbal Remedies in Global Health Care: Classification, Toxicology, and Clinical Management. Ther Drug Monit. 2025;48:210-219 DOI: 10.1097/FTD.0000000000001417 (IF = 2.4) ) [Special issue dedicated to Dr Sunshine]
Verougstraete N, Mazure D, Stove CP. Toward Clinical Implementation of a Volumetric Absorptive Microsampling-Based Method for Dasatinib and Imatinib Therapeutic Drug Monitoring. Ther Drug Monit 2025;47:740-746.
Van Herteryck C, Reyns T, Jager N, Stove V, Verougstraete N. Addressing Analytical Challenges to Improve Laboratory Consistency in Unbound Flucloxacillin Measurement. Ther Drug Monit 2026; online ahead of print (doi: 10.1097/FTD.0000000000001449)
Jousselin E, Griffeuille P, Petit I, Saint-Marcoux F, El Balkhi S, Védrenne N. Detecting the Undetectable: Analytical Strategies for Novel Psychoactive Substances. Ther Drug Monit. 2026 Apr 1;48(2):160-171. doi: 10.1097/FTD.0000000000001431. Epub 2026 Jan 9. PMID: 41508320.
Bressin P, El Balkhi S, El Hamel C, Yardin C, Guigonis V, Saint-Marcoux F, Ponthier L. Pyrethroid Exposure in Premature Newborns: A Pilot Study on Materno-Fetal Transmission and Early Postnatal Evolution. Ther Drug Monit. 2026 Apr 1;48(2):266-275. doi: 10.1097/FTD.0000000000001407. Epub 2025 Oct 31. PMID: 41182891.
El Balkhi S, Franssen EJF. Twenty Years of Evolution in Toxicology Laboratories: Lessons Learned to Face Upcoming Challenges in Health Care and Society. Ther Drug Monit. 2026 Apr 1;48(2):141-148. doi: 10.1097/FTD.0000000000001409. Epub 2025 Nov 13. PMID: 41232029.
El Balkhi S, Machon C. Toxicology of Heavy Metals in Biological Matrices: A Paradigm Shift From Single-Analyte Measurement to Comprehensive Screening. Ther Drug Monit. 2026 Apr 1;48(2):196-209. doi: 10.1097/FTD.0000000000001416. Epub 2025 Dec 8. PMID: 41358615.
Griffeuille P, El Balkhi S, Dulaurent S, Saint-Marcoux F. Probe Electrospray Ionization Tandem Mass Spectrometry for the Detection and Quantification of Benzodiazepines. Ther Drug Monit. 2024 Aug 1;46(4):522-529. doi: 10.1097/FTD.0000000000001189. Epub 2024 Mar 18. PMID: 38498915.
Stefan C, Jung B, Zhou J, Franssen EJF, Langman LJ, Fu L. Urine Drug Testing: Service Models and Laboratory Practices to Meet Clinical Care Needs. Ther Drug Monit. 2026 Apr 1;48(2):185-195. doi: 10.1097/FTD.0000000000001428. Epub 2026 Feb 23.PMID: 41729621
Kweekel DM, McCune JS, Punt AM, van Luin M, Franssen EJF. Busulfan Interlaboratory Proficiency Testing Program Revealed Worldwide Errors in Drug Quantitation and Dose Recommendations. Ther Drug Monit. 2023 May 12. doi: 10.1097/FTD.0000000000001107. Epub ahead of print. PMID: 37199431.
Lien TNT, Mohamed SMM, van den Bogaard B, Touw DJ, Franssen EJF. Effects of Plasmapheresis on Serum Lithium Levels in an ICU Patient with Bipolar Disorder: A Case Study. Ther Drug Monit. 2024 Jun 1;46(3):281-284. doi: 10.1097/FTD.0000000000001191. PMID: 38723114.
Smits TA, Gresnigt FMJ, van Groen BD, Franssen EJF, et al. Prospective Investigation of the Performance of 2 Gamma-Hydroxybutyric Acid Tests: DrugCheck GHB Single Test and Viva-E GHB Immunoassay. Ther Drug Monit. 2020 Feb;42(1):139-145. doi: 10.1097/FTD.0000000000000677.
Märtson A-G, Touw D, et al. Ganciclovir Therapeutic Drug Monitoring: A Case Series. Therapeutic Drug Monitoring. 2019 Apr 1;41(2):107-110. https://doi.org/10.1097/FTD.0000000000000598.
Daskapan A, Tran QTD, Cattaneo D, Gervasoni C, Resnati C, Stienstra Y, Touw DJ, et al. Darunavir population pharmacokinetic model based on HIV outpatient data. Therapeutic Drug Monitoring. 2019;41(1):59-65. https://doi.org/10.1097/FTD.0000000000000576.
Colman S, Stove V, De Waele JJ, Verstraete AG. Measuring Unbound Versus Total Piperacillin Concentrations in Plasma of Critically Ill Patients: Methodological Issues and Relevance. Ther Drug Monit. 2019;41(3):325-330. doi: 10.1097/FTD.0000000000000602.
Neuman MG. Biomarkers of Drug-Induced Liver Toxicity.Therapeutic Drug Monitoring. 2019 – Volume 41 – 2 – p 227–234 doi: 10.1097/FTD.0000000000000610.
Contrucci RR, Brunt TM, Inan F, Franssen EJF, Hondebrink L Synthetic Cathinones and Their Potential Interactions with Prescription Drugs. Ther Drug Monit. 2020 Feb;42(1):75-82. doi: 10.1097/FTD.0000000000000682.
Smy L, Sadler AJ, McMillin GA. Evaluation of imatinib concentrations in samples submitted for BCR-ABL1 or imatinib testing – evidence to support therapeutic drug monitoring for dose optimization? Ther Drug Monit. 2020 May 6. Online ahead of print.
Neuman MG. Biomarkers of Drug-Induced Liver Toxicity. Therapeutic Drug Monitoring. 2019 – Volume 41 – Issue 2 – p 227–234 doi: 10.1097/FTD.0000000000000610.
Bolhuis MS, Akkerman OW, Sturkenboom MG, de Lange WC, van der Werf TS, Touw DJ, Alffenaar JW. Different underlying mechanism might explain the absence of a significant difference in AUC of linezolid for different ABCB1 genotypes. Ther Drug Monit. 2019 Apr;41(2):253-254. doi: 10/1097 (IF2018 2.047).
Oude Munnink TH, van der Meer A, de Haan JJ, Touw DJ, van Kruchten M. Grand Round: Reversible impaired methotrexate clearance after platinum-based chemotherapy for osteosarcoma. Therapeutic Drug Monitoring. 2019 https://doi.org/10.1097/FTD.0000000000000662.
Zuur MA, Veenhof H, Aleksa A, Boveneind-Vrubleuskaya NV, Darmawan E, Hasnain MG et al Touw DJ,. Quality Assessment of Dried Blood Spots from Tuberculosis Patients from Four Countries. Therapeutic Drug Monitoring. 2019 June 4, https://doi.org/10.1097/FTD.0000000000000659.
Capiau S, Veenhof H, Koster R, Bergqvist Y, Boettcher M, Halmingh O et al Touw DJ,. Official International Association for Therapeutic Drug Monitoring and Toxicology guideline: Development and Validation of Dried Blood Spot-based Methods for Therapeutic Drug Monitoring. Therapeutic Drug Monitoring. 2019 Aug;41:409-430. https://doi.org/10.1097/FTD.0000000000000643.
Steenkamp V. Starting, growing, leading: A scientific journey. COMPASS 2026;25(1) March
Chelsea B Swartchick and Loralie Langman Phosphatidylethanol Measurement: Advantages,
Limitations And Future Perspectives. COMPASS 2025;25(41) Dec
Lea Wagmann , Cytotoxicity Testing Of New Psychoactive Substances In Clinical Toxicology COMPASS 2024;23(1) March
Lea Wagmann Award Contribution: In Vitro Biotransformation Of Six Compounds Derived From The Stimulant Prolintane COMPASS 2026;25(soon) June
Is Gabapentin (Neurontin) Misuse on your radar? Kamisha L. Johnson-Davis. University of Utah,Utah, USA
Alcohol, Nutrition, Microbiota and Liver Damage. Manuela G. Neuman. In Vitro Drug Safety and Biotechnology, University of Toronto, Toronto, Canada
The Poisoned Patient: How to Communicate with Clinicians and Guide Further Testing- Amitava Desgupta, University of Huston, Texas, USA
Clinical Toxicology Assessment in Alcohol and Drug-induced Liver Injury in Haemochromatosis. Manuela G. Neuman, In Vitro Drug Safety and Biotechnology, University of Toronto, Toronto, Canada
Hiemke et al.: Consensus Guidelines for TDM in Neuropsychopharmacology: Update 2017, Pharmacopsychiatry 2018; 51: 9-62
Draft consensus document https://myadlm.org/science-and-research/academy-guidance/guidance-document-comments
Loralie J Langman (Chair)
Souleiman El Balkhi (Vice-Chair)
Eric Franssen (Past Chair)
Hans Maurer
Vanessa Steenkamp
Lei Fu
M G G Sturkenboom
Cristiana Stefan
Franck Saint-Marcoux
Manuela Neuman
Ryuji Kato
Lea Wagmann
Guillaume Drevin
Melissa Bennett
Christophe Stove
Kamisha Johnson-Davis
Daan Huntjens
Verougstraete Nick
IATDMCT, 4 Cataraqui Street Suite 310
Kingston, ON, K7K 1Z7, Canada
