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Anders Helldén

Observed names: A. Hellden, A. Helldén, Helldén, Anders
Observed institutions: Linköping University, Karolinska University Hospital, University of Toronto, Hospital for Sick Children, Karolinska Institutet, Linköping University Hospital
ORCID: 0000-0001-9061-9808
Observed ORCID: 0000-0001-9061-9808
OpenAlex ID: A5083121202
High serum concentrations of the acyclovir main metabolite 9-carboxymethoxymethylguanine in renal failure patients with acyclovir-related neuropsychiatric side effects: an observational study
2003 · A. Hellden, I. Odar-Cederlof, et al. · Nephrology Dialysis Transplantation · 126
Adverse Drug Reactions and Impaired Renal Function in Elderly Patients Admitted to the Emergency Department
2009 · Anders Helldén, Ulf Bergman, et al. · Drugs & Aging · 90
The aciclovir metabolite CMMG is detectable in the CSF of subjects with neuropsychiatric symptoms during aciclovir and valaciclovir treatment
2006 · Anders Helldén, Jan Lycke, et al. · Journal of Antimicrobial Chemotherapy · 82
Pulmonary embolism associated with the use of anabolic steroids
2008 · Sissela Liljeqvist, Anders Helldén, et al. · European Journal of Internal Medicine · 50
Renal function estimations and dose recommendations for dabigatran, gabapentin and valaciclovir: a data simulation study focused on the elderly
2013 · Anders Helldén, Ingegerd Odar-Cederlöf, et al. · BMJ Open · 43
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Erratum to: Adverse Drug Reactions and Impaired Renal Function in Elderly Patients Admitted to the Emergency Department
2013 · Anders Helldén, Ulf Bergman, et al. · Drugs & Aging · 39
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An unexpectedly high occurrence of aciclovir-induced neuropsychiatric symptoms in patients treated for herpesvirus CNS infection: a prospective observational study
2019 · Johan Lindström, Anders Helldén, et al. · Journal of Antimicrobial Chemotherapy · 26
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[Adverse drug effect as cause of hospital admission. Common drugs are the major part according to the cross-sectional study].
2008 · Ingegerd Odar-Cederlöf, Per Oskarsson, et al. · PubMed · 24
Rapid determination of acyclovir, its main metabolite 9‐carboxymethoxymethylguanine, ganciclovir, and penciclovir in human serum using LC–MS/MS
2022 · Andreas Ärlemalm, Anders Helldén, et al. · Biomedical Chromatography · 19
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Death delusion
2007 · Anders Helldén, Ingegerd Odar-Cederlöf, et al. · BMJ · 19
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Development of a computerised decisions support system for renal risk drugs targeting primary healthcare
2015 · Anders Helldén, Fadiea Al-Aieshy, et al. · BMJ Open · 18
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Case Report: Subtherapeutic Vancomycin and Meropenem Concentrations due to Augmented Renal Clearance in a Patient With Intracranial Infection Caused by Streptococcus intermedius
2021 · Marcus Fransson, Anders Helldén, et al. · Frontiers in Pharmacology · 16
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Fluconazole-induced intoxication with phenytoin in a patient with ultra-high activity of CYP2C9
2010 · Anders Helldén, Ulf Bergman, et al. · European Journal of Clinical Pharmacology · 16
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Lower CYP2C9 activity in Turkish patients with Behçet’s disease compared to healthy subjects: a down-regulation due to inflammation?
2015 · Mustafa Tugrul Goktaş, Fazleen Hatta, et al. · European Journal of Clinical Pharmacology · 15
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Search for the molecular basis of ultra-rapid CYP2C9-catalysed metabolism: relationship between SNP IVS8-109A>T and the losartan metabolism phenotype in Swedes
2012 · Fazleen H. M. Hatta, Lay Kek Teh, et al. · European Journal of Clinical Pharmacology · 15
Ganciclovir concentrations in the cerebral extracellular space after valganciclovir treatment; a case study
2015 · Inti Peredo, Anders Helldén, et al. · BMJ Case Reports · 12
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Pregnancy and Pharmacogenomics in the Context of Drug Metabolism and Response
2013 · Anders Helldén, Parvaz Madadi · Pharmacogenomics · 12
Differential Diagnosis of Central Nervous System Involvement in a Patient Treated With Acyclovir
2013 · Mia von Euler, Gudmundur Axelsson, et al. · Therapeutic Drug Monitoring · 9
The importance of correct estimation of renal function for drug treatment in hospitalized elderly patients, especially women: A prospective observational study
2019 · Anders Helldén, Ulf Bergman, et al. · Clinical Nephrology · 7
The dopaminergic stabilizer pridopidine is to a major extent N-depropylated by CYP2D6 in humans
2012 · A. Helldén, G. Panagiotidis, et al. · European Journal of Clinical Pharmacology · 7
Implications of serum creatinine measurements on GFR estimation and vancomycin dosing in children
2014 · Gal Neuman, Irena Nulman, et al. · The Journal of Clinical Pharmacology · 6
Acute Clozapine Intoxication
2009 · Erik Sparve, Per Nordberg, et al. · Journal of Clinical Psychopharmacology · 6
Inter-laboratory variability in vancomycin measurement in an external quality assessment scheme 2016–2025
2026 · Anders Larsson, Jonathan Cedernaes, et al. · Clinical Biochemistry · 2
#3018 Aciclovir or valaciclovir neurotoxicity in renal patients: increasing number of neurotoxicity cases are diagnosed in Sweden by a blood test
2024 · Anders Helldén · Nephrology Dialysis Transplantation · 2
Cotard's syndrome as an adverse effect of acyclovir treatment in renal failure
2013 · T. Lindén, A. Helldén · Journal of the Neurological Sciences · 2
Works count: 42
Citation count: 667
H-index: 15
I10-index: 17
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