Congrés: . Las Palmas (ESP) 2009. Títol: Tratamiento con psicoestimulantes para la dependencia de cocaína. Autors: Castells X Congrés: Congreso de la Sociedad Española de Psiquiatría. . Bilbao (ESP) 2004. Títol: Psicosis y Cannababis. Autors: Brugera E, Roncero C, Castells X, Casas M Congrés: Congreso de la Sociedad Española de Psiquiatría. . Bilbao (ESP) 2004. Títol: Tratamiento farmacológico del TDAH. Reubicación de los trastornos de la personalidad. Déficit de atención e hiperactividad; La gran patología escondida. Autors: Castells X
Congrés: XXVI Congreso de la Sociedad Española de Farmacología Clínica. Barcelona (ESP) 2013. Títol: Acetylcholinesterase inhibitors for Alzheimer disease. A systematic review and meta-analysis of randomized clinical trials Autors: Blanco L, Castells X, Guerrero A, Vedia C, Morros R, Capellà D
Congrés: 33rd European College on Neuropsychopharmacology (ECNP) Congress. (NLD) 2020. Títol: Gender bias in randomized, controlled trials of pharmacological interventions for Attention Deficit Hyperactivity Disorder (ADHD) Autors: Castells X, Baykova E, Mayoral S, Cunill R, Serrano D Congrés: Annual Meeting of French Society of Pharmacology and Therapeutics, and INSERM Clinical Research Centers (CIC) Meeting. Rouen (FRA) 2017. Títol: Development and validity of a checklist assessing the risk of bias of randomized trials, observational studies and systematic reviews analyzing drug adverse events Autors: Faillie JL, Ferrer P, Gouverneur A, Driot D, Berkemeyer S, Vidal X, Martinez-Zapata MJ, Huerta C, Castells X, Rottenkolber M, Schmiedl S, Sabate M, Ballarin E, Ibanez L Congrés: 9th Health Technology Assessment International (HTAi) meeting. Bilbao (ESP) 2012. Títol: Evaluation of atomoxetine efficacy and safety for adults with Attention-deficit/hyperactivity disorder (ADHD) Autors: Cunill R, Castells X, Capellà D Congrés: III European Conference on Information Technology in Education and Society: A Critical Insight.. Barcelona (ESP) 2012. Títol: Design of an on-line course about Problem Based Learning (PBL). Autors: Carrion C, Aymerich M, Castells X, Xifró X, Soler M, Branda L. Congrés: 16th World Congress on Basic and Clinical Pharmacology. Copenhagen (DMK) 2010. Títol: Safety of indirect dopamine agonists (IDA) for psychostimulant dependence. A systematic review and meta-analysis of randomized controlled trials. Autors: Pérez-Mañá C, Castells X, Vidal X, Casas M, Capellà D Congrés: XIV Congreso Nacional de Psiquiatría. . Barcelona (ESP) 2010. Títol: Síntomas psicóticos inducidos por cocaína y trastornos de la personalidad Autors: Roncero C, Daigre C, Grau-López L, Miquel L, Comín M, Artiaga M, Gómez-Baeza S, Vázquez JM, Castells X, Casas M. Congrés: 2nd World Conference on Magic bulets (Ehrlich II). . Nurnberg (DEU) 2008. Títol: Corticotrophin releasing factor as drug target for modifying dopaminergic system neuroplasticity in cocaine addiction. Autors: Corominas M, Roncero C, Castells X, Casas M Congrés: International Harm Reduction Association (IHRA)’s International Conference. Barcelona (ESP) 2008. Títol: The efficacy of harm reduction programmes amongst drug abused living as squatters in illegally occupied buildings in Barcelona. Autors: Rovira M, Ripoll L, Daigre C, Bassols X, Resmella R, Castells X, Roncero C, Casas M. Congrés: International Harm Reduction Association (IHRA)’s International Conference. Barcelona (ESP) 2008. Títol: A descriptive study of the patients visited at the harm reduction of the Hospital Universitari Vall d’Hebron in Barcelona Autors: Rovira M, Ripoll L, Bassols X, Ortega R, Esteve O, Barral C, Serra A, Rodríguez L, Castells X, Roncero C, Casas M. Congrés: Congreso de la Sociedad Española de Farmacología Clínica. Pamplona (ESP) 2002. Títol: Utilización hospitalaria de levofloxacino. Autors: Castells X, Rigau D, Vallano A.
Congrés: XXIV Congrés de la Sociedad Española de Farmcología Clínica. Málaga (ESP) 2011. Títol: The pharmacological anamnesis as a tool to acquire research skills by medical students. Autors: C Pontes, J Delgadillo, MQ Gorgas, X Castells, C Almenara, C Hernández-López, A Morón, D Capellà.