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Background


LETI started its activities in the field of allergy in 194, with the creation of the LETI Allergy Service—one of the first manufacturers in Europe to produce allergenic extracts. Since then, LETI has remained a leader in the field of allergology with numerous scientific publications and a long list of therapeutic innovations to its credit.

Chronology

1919 Foundation of the Laboratorio Experimental de Terapéutica Inmunógena (LETI) in Barcelona (Spain).
1941 Creation of the LETI Allergy Service as a natural development within a company clearly devoted to immunology from its foundation.
1949 Foundation of the Spanish Society of Allergy with Dr. Ramón Surinyach-Oller (Director of the LETI Allergy Service) as founding member. Dr. Surinyach closes the first conference of the Spanish Society of Allergy, held the same year, with the lecture “Unification of techniques for the study of the botanical conditions in relation to asthma in Spain”.
1969 Dr. Surinyach becomes President of the Spanish Society of Allergy.
1984 Allergy becomes the core of LETI commercial and research activity.
1985 Creation of the Corporación Biológica Farmacéutica (CBF) as a research unit in allergy.
1990 Launch of the product line Alergoide Retard. First world manufacturer to obtain a polymerised allergen extract from mites as raw material.
1992 Inauguration of the R&D laboratory and production plant in Tres Cantos, Madrid.
1994 Launch of the TOL line. Allergen extracts for sublingual administration.
1995 LETI becomes the only Spanish member of the European Allergen Manufacturers Group (EAMG).
1996 LETI becomes the first Spanish immunotherapy manufacturer to obtain ISO 9002 certification.
1997 LETI begins its commercial activities in Chile
1999 LETI becomes a founding member of the Spanish Association of Biocompanies (ASEBIO).
2000

Launch of the Depigoid line. Depigmented allergen extracts polymerised with glutaraldehyde and adsorbed to aluminum hydroxide.
Creation of LETI Pharma GmbH and initiation of sales of allergenic extracts in Germany.

2001

Registration of the first allergen extracts for diagnostic purposes in the Paul Ehrlich Institut (Germany).
LETI initiates the sale of allergen extracts in South Africa.

2004 LETI begins to sell its allergen extracts in Colombia.
2005 It is obtained drug licensing approval in the Paul Ehrlich Institut (Germany) for the treatment of respiratory allergy (rhinoconjunctivitis and asthma) in patients who are sensitive to mites.
Initiation of sales of LETI products in Mexico.