Jean‐Claude Alvarez

ORCID: 0000-0001-5344-9475
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About
Contact & Profiles
Research Areas
  • Forensic Toxicology and Drug Analysis
  • Poisoning and overdose treatments
  • Cannabis and Cannabinoid Research
  • Psychedelics and Drug Studies
  • Neurotransmitter Receptor Influence on Behavior
  • Alcohol Consumption and Health Effects
  • Hormonal and reproductive studies
  • Opioid Use Disorder Treatment
  • Treatment of Major Depression
  • Botulinum Toxin and Related Neurological Disorders
  • Tryptophan and brain disorders
  • Pharmacological Effects and Toxicity Studies
  • Antibiotics Pharmacokinetics and Efficacy
  • Analytical Chemistry and Chromatography
  • Neuroscience and Neuropharmacology Research
  • Metabolomics and Mass Spectrometry Studies
  • Dialysis and Renal Disease Management
  • Analytical Methods in Pharmaceuticals
  • Restraint-Related Deaths
  • Epilepsy research and treatment
  • Anesthesia and Sedative Agents
  • Bipolar Disorder and Treatment
  • Plant-based Medicinal Research
  • HIV/AIDS drug development and treatment
  • Pesticide Exposure and Toxicity

Inserm
2016-2025

Hôpital Raymond-Poincaré
2016-2025

Assistance Publique – Hôpitaux de Paris
2016-2025

Université Paris-Saclay
2017-2025

Centre de recherche en Epidémiologie et Santé des Populations
2023-2025

Université de Versailles Saint-Quentin-en-Yvelines
2015-2024

Institut thématique Immunologie, inflammation, infectiologie et microbiologie
2019-2023

Infection et inflammation
2014-2023

Université de Picardie Jules Verne
2023

SKF (France)
2023

Diagnosis of adrenal insufficiency in critically ill patients has relied on random or cosyntropin-stimulated cortisol levels, and not been corroborated by a more accurate diagnostic standard.We used the overnight metyrapone stimulation test to investigate value standard cosyntropin test, prevalence sepsis-associated insufficiency.This was an inception cohort study.In two consecutive septic cohorts (n = 61 n 40), 44 without sepsis 32 healthy volunteers, we measured (1) serum before after...

10.1164/rccm.200509-1369oc article EN American Journal of Respiratory and Critical Care Medicine 2006-09-15

PURPOSE Off-label use of vemurafenib (VMF) to treat BRAF V600E mutation–positive, refractory, childhood Langerhans cell histiocytosis (LCH) was evaluated. PATIENTS AND METHODS Fifty-four patients from 12 countries took VMF 20 mg/kg/d. They were classified according risk organ involvement: liver, spleen, and/or blood cytopenia. The main evaluation criteria adverse events (Common Terminology Criteria for Adverse Events [version 4.3]) and therapeutic responses Disease Activity Score. RESULTS...

10.1200/jco.19.00456 article EN cc-by-nc-nd Journal of Clinical Oncology 2019-09-12

A new rapid and sensitive high-performance liquid chromatography method has been developed for the screening determination in human plasma of 11 most commonly prescribed nontricyclic antidepressants two metabolites: fluoxetine, norfluoxetine, sertraline, paroxetine, citalopram, fluvoxamine, moclobemide, mirtazapine, milnacipram, toloxatone, venlafaxine, desmethyl viloxazine. It involves liquid-liquid extraction procedures followed by coupled to photodiode-array UV detection with three fixed...

10.1097/00007691-200310000-00005 article EN Therapeutic Drug Monitoring 2003-09-26

Background The analgesic effect of perioperative low doses intravenous lidocaine has been demonstrated after abdominal surgery. This study aimed to evaluate whether a continuous low-dose infusion reduced postoperative pain and modified nociceptive threshold total hip arthroplasty. Methods Sixty patients participated in this randomized double-blinded study. Patients received 1% (lidocaine group) with 1.5 mg/kg bolus 10 min followed by mg . kg h or saline (control group). These regimens were...

10.1097/aln.0b013e31817b5a9b article EN Anesthesiology 2008-07-01

Background Droperidol and ondansetron have previously been found to prolong the QT interval in treatment of postoperative nausea vomiting. However, this adverse effect has never confirmed compared with both drugs under controlled conditions. The objective was study effects droperidol alone or combination on duration healthy subjects. Methods Sixteen volunteers, eight males females, were enrolled prospective, double-blind, randomized, placebo-controlled study. Subjects received 1 mg...

10.1097/aln.0b013e31817fd8c8 article EN Anesthesiology 2008-08-01

Pediatric cardiac surgery patients are at high risk for bleeding, and the antifibrinolytic drug tranexamic acid (TA) is often used to reduce blood loss. However, dosing schemes remain empirical as a consequence of absence pharmacokinetic study in this population. The authors' objectives were thus investigate population pharmacokinetics TA pediatric during cardiopulmonary bypass (CPB).Twenty-one randomized receive either continuously (10 mg/kg followed by an infusion 1 mg · kg h(-1)...

10.1097/aln.0b013e318283c83a article EN Anesthesiology 2013-01-22

Abstract Recently, the emergence of new psychoactive substances (NPS) has led to their wide use among clubbers and men who have sex with (MSM) for stimulant effects. However, in drug‐facilitated sexual assault (DFSA) rarely been described. Herein we report a case 44‐year‐old man was assaulted after party. Due late reporting offense, only hair (black) sampled 15 days later segmental analysis achieved look most DFSA agents NPS. Twenty mg each segment (A: 0–1 cm, B: 1–3 C: 3–5 cm) were...

10.1002/dta.2377 article EN Drug Testing and Analysis 2018-03-10

Abstract Untargeted liquid chromatography–high resolution mass spectrometry (LC–HRMS) techniques have become indispensable tools for systematic toxicological analysis. They allow the research of an almost unlimited number drugs within a single analytical cycle, but shared spectra libraries are still missing to identify newly marketed compounds, along with defined procedures. This article describes optimization, validation, and application untargeted screening method devoted hair analysis...

10.1002/dta.2535 article EN Drug Testing and Analysis 2018-11-05

Abstract Objectives A method based on liquid chromatography coupled to triple quadrupole mass spectrometry detection using 50 µL of plasma was developed and fully validated for quantification remdesivir its active metabolites GS-441524. Methods simple protein precipitation carried out 75 methanol containing the internal standard (IS) remdesivir- 13 C 6 5 ZnSO4 1 M. After separation Kinetex ® 2.6 µm Polar C18 100A LC column (100 × 2.1 mm i.d.), both compounds were detected by a spectrometer...

10.1515/cclm-2020-0612 article EN other-oa Clinical Chemistry and Laboratory Medicine (CCLM) 2020-06-22
Roland Landman Pierre de Truchis Lambert Assoumou Sidonie Lambert Jonathan Bellet and 95 more Karine Amat Bénédicte Lefebvre Clotilde Allavena Christine Katlama Yazdan Yazdanpanah Jean‐Michel Molina Ventzislava Petrov–Sanchez Séverine Gibowski Jean‐Claude Alvarez Jacques Leibowitch Jacqueline Capeau Soraya Fellahi Martin Duracinský Laurence Morand‐Joubert Dominique Costagliola Pierre‐Marie Girard Isabelle LAMAURY Firouzé Bani‐Sadr Gilles FORCE Amélie CHABROL Fabienne CABY Olivier PATEY Anne FRESARD Amandine Gagneux-Brunon Catherine CHIROUZE Claudine Duvivier Jérémie LOURENCO Violaine TOLSMA C. Janssen Nathalie LEROLLE Pilartxo CATALAN Agathe RAMI Lucile DE PONTHAUD Gilles PICHANCOURT Safa NASRI Stéphanie LANDOWSKI Julie Bottero Flory MFUTILA KAYKAY Gilles Pialoux Olivier Bouchaud Sophie ABGRALL Caroline GATEY Laurence Weiss Juliette PAVIE Dominique SALMON-CERON David Zucman Jean-Daniel Lelievre Romain Palich Anne SIMON Marie-Caroline MEYOHAS Julien GRAS André Cabié Mathilde PIRCHER Philippe Morlat Mojgam HESSAMFAR Didier Neau Charles CAZENAVE Claire GENET Jean-François FAUCHER Djamila MAKHLOUFI André Boibieux Sylvie BREGIGEON-RONOT Hélène LAROCHE Aurélie SAUTEREAU Jacques REYNES Alain Makinson François Raffi Olivier BOLLENGIER-STRAGIER Alissa Naqvi Eric CUA Eric ROSENTHAL Cédrick ARVIEUX Rodolphe BUZELE David Rey Marie-Laure BATARD Louis Bernard Pierre Delobel Marie PIFFAUT Renaud Verdon Lionel Piroth Mathieu Blot Pascale LECLERCQ Anne Signori-Schmuck Thomas HULEUX Agnès Meybeck Thierry May Patrick MIAILHES Thomas PERPOINT Alix GREDER-BELAN Brigitte Elharrar Marie-Aude KHUONG Marie POUPARD Laurent BLUM Christophe Michau Thierry PRAZUCK

10.1016/s2352-3018(21)00300-3 article EN publisher-specific-oa The Lancet HIV 2022-02-01

To determine if amiodarone, highly lipophilic, accumulates in excess with respect to dose fat tissue during long-term administration, and study plasma concentrations are correlated adverse effects.Trough of amiodarone N-desethyl-amiodarone were measured simultaneously tissue, 30 consecutive patients treated for 3 months 12 years. Subcutaneous adipose was obtained by needle aspiration from lumbar abdominal areas. Concentrations liquid chromatography-tandem mass spectrometry.Plasma levels...

10.1111/j.1365-2125.2009.03381.x article EN British Journal of Clinical Pharmacology 2009-02-02

Abstract BACKGROUND The pharmacokinetic–pharmacodynamic relationship between whole blood δ-9-tetrahydrocannabinol (THC) and driving risk is poorly understood. METHODS Fifteen chronic cannabis consumers (1–2 joints/day; CC) 15 occasional joints/week; OC) of 18 to 34 years age were included. A pharmacokinetic study was conducted with 12 samplings over a 24-h period before after controlled random inhalation placebo or 10 mg 30 THC. THC metabolites quantified using LC-MS/MS. Effects on reaction...

10.1373/clinchem.2018.299727 article EN Clinical Chemistry 2019-03-14
Bruno Revol Théo Willeman Marc Manceau Véronique Dumestre-Toulet Jean‐Michel Gaulier and 93 more Nathalie Fouilhé Sam‐Laï Hélène Eysseric‐Guerin Chadi Abbara Delphine Allorge Jean‐Claude Alvarez Alice Ameline Aurélie Aquizerate A Barret Emilie Berland Célian Bertin Thierry Besnard Fabien Bévalot Camille Billet-Chatenay Émilie Bouquet Joanna Bourgine Bertrand Brunet Anne‐Sylvie Caous Alexandre Cesbron Leïla Chaouachi Cécile Chevallier Marjorie Chèze Antony Citterio‐Quentin Philippe Collon-Fabie Éric Dailly Amélie Daveluy Grégory Deffontaine M. Delage Xavier Delavenne Florence Descamps Juliette Descoeur Guillaume Deslandes Marc Deveaux Bernadette Devos Christophe Doche Céline Eiden Aurélie Fouley Yvan Gaillard Nicolas Gambier Catherine Ganière Jean‐Pierre Goullé Pascal Guérard Guillaume Hoizey Luc Humbert Laurent Imbert Marie-France Kerguéris Pascal Kintz Florian Klinzig Laurence Labat-Deveaux Bruno Lacarelle Christian Lacroix Denis Lamiable Michel Lavit Reynald Le Boisselier Anne Le Bouil Catherine Le Meur Sandrine Lefeuvre Bénédicte Lelièvre Véronique Lelong‐Boulouard Anne‐Sophie Lemaire‐Hurtel Juliana Lima-Tournebize Magalie Loilier Vincent Lopez Claire Martin-Molins Hélène Marty Olivier Mathieu Jean-Claude Mathieu-Daudé Y Mauras Nathalie Milan Aurélie Moal Isabelle Morel Patrick Mura Anne‐Laure Pélissier‐Alicot Gilbert Pépin Martine Perrin A. Peyré Alain Pineau Rop Pok Catherine Ragoucy-Sengler Raphaël Rayer Emilie Román C Roussel Anne Roussin Sandrine Sabini Élodie Saussereau Julien Scala‐Bertola P. Sibille Michel Spadari Karine Titier Alain Turcant Pierrick Vacher Nicolas Venisse Ophélie Vieira Pascale Visinoni

Importance The DRAMES (Décès en Relation avec l’Abus de Médicaments Et Substances) register is a database of drug-related deaths with the aim identifying psychoactive substances associated and estimating trends in these deaths. Our novel approach based on collection data all for which toxicology experts have performed analyses. Objective To describe France report over an 11-year period. Design, Setting, Participants This case series used national to assess 4460 that occurred from 2011 2021...

10.1001/jamanetworkopen.2023.31398 article EN cc-by-nc-nd JAMA Network Open 2023-08-30
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