Prof. Osvaldo Froylan Ibarra Velarde

National University Autonomous of Mexico, Mexico.



1983 Ph.D., Brunel University, United Kingdom

1977 M.Sc., Veterinar Medizinische Universitat Wien, Austria

1974 B.Sc., National University Autonomous of Mexico, Mexico

Publications (Selected)

  1. Froylán Ibarra-Velarde, Yolanda Vera-Montenegro, Yazmín Alcalá Canto, Irene Cruz mendoza. Additive efficiency of fipronil + methoprene compared to fipronil alone against Riphicephalus sanguineus ticks in naturally infested dogs. Pharmacology & Pharmacy. 2020. (Accepted).
  2. Alonso Ezeta-Miranda, Yolanda Vera-Montenegro, José Guillermo Avila-Acevedo, Ana María García-Bores, Edgar Antonio Estrella-Parra, Gerardo Francisco-Marquez, Froylán Ibarra-Velarde. Efficacy of purified fractions of Artemisia ludoviciana Nutt mexicana and ultrastructural damage to newly excysted juveniles of Fasciola hepatica in vitro. Veterinary Parasitology 2020. (Accepted 6, July, 2020 -In Press).
  3. R. Arias-García, Y. Vera-Montenegro, M. Flores-Ramos, R. Castillo- Bocanegra; A. Hernández-Campos, Froylán Ibarra-Velarde. Efficiency comparison of fosfatriclaben with three commercial fasciolicides in experimentally infected sheep. Parasitology Research 2020, 2687–2693
  4. Yazmín Alcalá-Canto, Juan Antonio Figueroa-Castillo, Froylán Ibarra- Velarde, Yolanda Vera-Montenegro, Maria Eugenia Cervantes-Valencia, Aldo Alberti-Navarro. First database of the spatial distribution of Eimeria species of cattle, sheep and goats in Mexico. Parasitology Research. 2020, 119, 1057-1074.
  5. Tania Rojas-Campos, Yolanda Vera-Montenegro, Miguel Flores- Ramos, Rafael Castillo, Alicia Hernández-Campos, Froylán Ibarra-Velarde*. Effectiveness of the Experimental Fosfatriclaben prodrug with Two Commercial Fasciolicides in cattle. Pharmacology and Pharmacy. 2019, 10, 498-506.
  6. Yazmin Alcala-Canto, Aldo Alberti-Navarro, Juan Antonio Figueroa- Castillo, Froylan Ibarra-Velarde, Yolanda Vera-Montenegro, Maria Eugenia Cervantes-Valencia. Maximum Entropy Ecological Niche Prediction of the Current Potential Geographical Distribution of Eimeria Species of Cattle, Sheep and Goats in Mexico. Open Journal of Animal Sciences, 2019; 9: 234-248
  7. Froylán Ibarra-Velarde, Yolanda Vera-Montenegro, Yazmin Alcala- Canto, Miguel Flores-Ramos, Nelyda Saldaña-Hernández. Comparative Efficacy of Three Commercial Ectoparasiticides against Fleas in Naturally Infested Dogs. Pharmacology & Pharmacy, 2019; 10: 234-243
  8. Froylán Ibarra-Velarde, Yolanda Vera-Montenegro, Miguel Flores- Ramos, Germinal Jorge Cantó-Alarcon, Alicia Hernández-Campos, Yazmin Alcalá-Canto, Rafael Casrtillo-Bocanegra. Assesment of the effective dose of an experimental intramuscular formulation against immature and adult Fasciola hepatica in sheep. Veterinary Parasitology 2018; 260: 38-44. http://doi/10.1016/jvetpar.2018.04.012
  9. Yazmin Alcala-Canto, Juan Antonio Figueroa-Castillo, Froylán Ibarra- Velarde, Yolanda Vera-Montenero, María Eugenia Cervantes-Valencia, Abdelfattah Z.M. Salem, Jorge Alfredo Cuellar-Ordáz. Development of the first georeferenced map of Rhipicephalus (Boophilus) spp. in Mexico from 1970 to date and prediction of its spatial distribution. Geospatial Health, 2018; 624: 110-117. doi: 10.4081/gh.2018.624
  10. Yovani Marrero-Ponce, Yeniel González Castañeda, Ricardo Vivas- Reyes, Fredy Máximo Vergara, Vicente J. Arán, Juan A. Castillo- Garit, Facundo Pérez-Giménez, Francisco Torrens, Huong Le-Thi- Thu, Hai Pham-The, Yolanda Vera Montenegro & Froylán Ibarra-Velarde. Dry selection and wet evaluation for the rational discovery of new anthelmintics. Molecular Physics. 2017; Volume 115, Issue 17-18, pag. 2300-2313.
  11. Miguel Flores-Ramos, Froylán Ibarra, Velarde, Helgi Jung-Cook, Alicia Hernández-Campos, Yolanda Vera Montenegro, Rafael Castillo. Novel triclabendazole prodrug: A highly water-soluble alternative for the treat-ment of fasciolosis. Bioorganic &Medicinal Chemistry Letters, 2016; 27: (3) 616-619. ISSN: 0960-894X
  12. Concepción Ramírez, Froylán Ibarra, Herminia I. Pérez, Norberto Manjarrez, Héctor J. Salgado, Lucía Ortega. Assesment and determination of LC50 of carvacrol and salicylic acid analogues with acaricide activity in larvae and adult ticks of Rhipicephalus (Boophilus) microplus. Parasite Epidemiology and Control, 2016; 1: 72-77. ISSN: 2405-6731
  13. José Manuel Alvarez Mercado, Froylán Ibarra Velarde, Miguel Angel Alonso Díaz, Yolanda Vera Montenegro, José Guillermo Avila Acevedo, Ana Maria García Bores. In vitro antihelmintic effect of fifteen tropical plant extracts on excysted flukes of Fasciola hepatica. BMC Veterinary Research, 2015; 11:45. 1-6. 10.1186/s12917-015-0362-4
  14. Ibarra-Velarde, F., Vera-Montenegro, Y., Medina, J.A., Sánchez- Peralta, K. and Galván, P.O. (2015) Comparison of Two Pour-On Formulations of Ivermectin against Gastrointestinal Worms, Fleas and Lice in Naturally In- fected Stray Dogs. Pharmacology & Pharmacy, 2015; 6, 177-184. ISNN: 2157-9431
  15. Ibarra-Velarde, F., Alcalá-Canto, Y., Yolanda Vera-Montenegro., Ochoa-Galván, P. (2015) In Vivo and in Vitro Evaluation of Permethrin, Cypermethrin or Zeta-Cypermethrin Mixed with Plant Extracts against Susceptible and Resistant (San Alfonso) Rhipicephalus (Boophilus) microplus (Acari: Ixodidae) Strains. Pharmacology & Pharmacy, 2015; 6: 34-40. ISNN: 2157-9431
  16. Miriam A. Martins Alho, Yovani Marrero-Ponce, Stephen J. Barigye, Alfredo Meneses-Marcel, Yanetsy Machado Tugores, Alina Montero- Torres, Alicia Gómez-Barrio, Juan J. Nogal, Rory N. García-Sánchez, María Celeste Vega, Miriam Rolón,,Antonio R. Martínez-Fernández, José A. Escario, Facundo Pérez-Giménez, Ramón Garcia-Domenech, Norma Rivera, Ricardo Mondragón, Mónica Mondragón, Froylán Ibarra- Velarde, Atteneri Lopez-Arencibia, Carmen Martín-Navarro, Jacob Lorenzo-Morales, Maria Gabriela Cabrera-Serra, Jose Piñero, Jan Tytgat, Roberto Chicharro,Vicente J. Arán. Antiprotozoan lead discovery by aligning dry and wet screening: Prediction, synthesis, and biological assay of novel quinoxalinones. Bioorganic & Medicinal Chemistry (2014); 22:1568-1585. ISSN: 0968-0896
  17. Ibarra-Velarde, F., Vera-Montenegro, Y., Saldaña-Hernández, N. and Ochoa-Galván, P. Comparison of the Efficacy of Two Commercial Coccidicidal Compounds on Experimentally Infected Dogs. Pharmacology & Pharmacy, 2014;5:1163-1170. ISNN: 2157-9431
  18. Miguel Flores-Ramos, Froylán Ibarra-Velarde, Lauro M del Rivero, Alicia Hernández-Campos, Yolanda Vera-Montenegro, Germinal J Cantó-Alarcón. A highly water soluble benzimidazole derivative useful for the treatment of fasciolosis. Bioorganic & Medicinal Chemistry Letters, 2014; 24 (24): 5814-5817. ISSN: 0960-894X
  19. Mauricio Maldonado-Domínguez, David Alavez-Rosas, Humberto Aguilar, José Manuel Méndez-Stivalet, Margarita Romero-Avila, Blas Flores-Pérez, Froylán Ibarra Velarde, Yazmín Alcalá, Yolanda Vera Montenegro, Héctor García-Ortega.. Design, synthesis, in vitro evaluation and preliminary SAR studies of N-(2- (heteroaryloxy)propyl)phenothiazines against Rhipicephalus microplus cattle tick Bioorganic & Medicinal Chemistry Letters Available on line 17 de mayo de 2014
  20. Martin Knaus, Marawan A. Abu-Madi, Froylán Ibarra-Velarde, Dawie J. Kok, Ilir Kusi, Rezart Postoli, S. Theodore Chester, Joseph Rosentel, Roberto Alva, Jennifer Irwin, Martin Visser, Renate Winter, Steffen Rehbein. Efficacy of a novel topical fipronil, (S)-methoprene, eprinomectin and praziquantel combination against naturally acquired intestinal nematode and cestode infections in cats. Veterinary Parasitology. 2014; 202: 18-25. Doi:

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