The Declaration of Mérida T'Hó on which the principles of the Prize are based was established after meetings in Mérida, Extremadura, Spain on 6-8 October 2019 [5].The creation of the Prize was agreed on and announced at the meetings of the founding promoting entities on 23 February 2023 in the Spanish Cultural Centre in Mexico [6,7] and subsequently on 8 March 2024 at the Mexican Cultural Centre in Spain [8].The final bases and agreements were presented on 6 November 2024 during the CYTED Forum 2024: "Implementation of Pharmacogenetics and Personalised Medicine in Ibero-American Populations: Regulatory and clinical aspects and generation of tools and procedures for clinical use" [9].The president of the Jury announced the award publicly at the Congress of the Mexican Society of Human Genetics (AMGH) on 13 November 2024 in Puebla (Mexico), starting the deadline for applications. Research areaThe theme of the prize is 'Pharmacogenetics: Health, Medicines and Ethnicity in Latin American Populations,' and three application modalities have been defined to cover the complexity and diversity of studies in this field.These three categories reflect the following principles of the Declaration Mérida/T´Hó on factors to be taken into account in the study On behalf of the Ibero-American Society and Network of Pharmacogenetics and Pharmacogenomics (SIFF/RIBEF), the Latin American Network of Human Genetics (RELAGH), the Mexican Society of Human Genetics (AMGH), the Mexican Council of Genetics (CMG) and the Colombian Society of Human Genetics (ACGH), we are pleased to announce the call for the Dr.