CT-EBM-SP - Corpus of Clinical Trials for Evidence-Based-Medicine in Spanish (version 3)

A collection of 1200 texts (292173 tokens) about clinical trials studies and clinical trials announcements in Spanish: - 500 abstracts from journals published under a Creative Commons license, e.g. available in PubMed or the Scientific Electronic Library Online (SciELO). - 700 clinical trials announcements published in the European Clinical Trials Register and Repositorio Español de Estudios Clínicos. Texts were annotated with the following entities types: - Semantic groups from the Unified Medical Language System: ANAT, CHEM, DEVI, DISO, LIVB, PHYS and PROC.- Medical drug information: Contraindicated, Dose or strength, Form and Route or mode of administration.- Temporal expressions: Age, Date, Duration, Frequency and Time.- Miscellaneous medical entities: Concept, Food or drink, Observation or finding, Quantifier_or_Qualifier, and Result_or_Value.- Negation/Speculation: Neg_cue, Negated, Spec_cue and Speculated.- Temporality attributes (History_of and Future) and experiencer attributes (Patient, Family_member and Other). In addition, the following semantic relationships were annotated: - Intervention-related relations: • Has_Dose_or_Strength • Has_Drug_Form • Has_Route_or_Mode • Combined_with • Used_for • Has_Result_or_Value- Temporal relations: • Before • After • Overlap • Has_Age • Has_Frequency • Has_Duration_or_Interval- Event-related relations: • Causes • Experiences • Has_Quantifier_or_Qualifier • Location_of- Assertion relations: • Negation • Speculation 81.72% of the total entities were normalized to Unified Medical Language System (UMLS) Concept Unique Identifiers (CUIs). We acknowledge that the source of the data from the European Clinical Trials Register (EudraCT) is the European Medicines Agency, who is the owner of copyright and other intellectual property rights, and allows data sharing for non-commercial and commercial purposes, provided that the Agency is always acknowledged as the source of the material.