King's College London

Research portal

Dr Rocio Perez-Iglesias

  1. Response to initial antipsychotic treatment in first episode psychosis is related to anterior cingulate glutamate levels: A multicentre 1H-MRS study (OPTiMiSE)

    Egerton, A., Broberg, B. V., van Haren, N. E. M., Merritt, K. S., Barker, G. J., Lythgoe, D. J., Perez-Iglesias, R., Baandrup, L., During, S., Sendt, K-V., Stone, J. M., Rostrup, E., Sommer, I. E. C., Glenthøj, B., Kahn, R. S., Dazzan, P. & McGuire, P., Nov 2018, In: Molecular Psychiatry. 23, p. 2145–2155

    Research output: Contribution to journalArticlepeer-review

  2. Non-adherence to antipsychotic medication in first-episode psychosis patients

    Hickling, L. M., Kouvaras, S., Nterian, Z. & Perez-Iglesias, R., 3 Apr 2018, In: Psychiatry Research.

    Research output: Contribution to journalArticlepeer-review

  3. Effectiveness of automated appointment reminders in Psychosis Community Services: A randomised controlled trial

    Kravariti, E., Reeve-Mates, C., Da Gama Pires, R., Tsakanikos, E., Hayes, D., Renshaw, S., McAllister, S., Bhavsar, V., Patterson, P., Daley, E., Stewart, J., Pritchard, M., Shetty, H., Ramsay, R., Perez-Iglesias, R. & McGuire, P., 30 Jan 2018, In: British Journal of Psychiatry Open . 4, 1, p. 15-17 3 p.

    Research output: Contribution to journalArticlepeer-review

  4. Lack of differential long-term metabolic profile of aripiprazole, quetapine and ziprasidone in first episode of psychosis: Abstract of the 25th European Congress of Psychiatry

    Vázquez Bourgon, J., Pérez-Iglesias, R., Ortiz-García de la Foz, V. & Crespo-Facorro, B., 30 Jun 2017, In: European Psychiatry. 41, Supplement, p. S388

    Research output: Contribution to journalArticlepeer-review

  5. Long-term metabolic effect of second-generation antipsychotics in first episode of psychosis: Abstract of the 25th European Congress of Psychiatry

    Vázquez Bourgon, J., Pérez-Iglesias, R., Ortiz-García de la Foz, V. & Crespo-Facorro, B., 30 Jun 2017, In: European Psychiatry. 41, Supplement, p. S388

    Research output: Contribution to journalArticlepeer-review

  6. Tobacco smoking and its association with cognition in first episode psychosis patients

    Hickling, L. M., Perez-Iglesias, R., Ortiz-García de la Foz, V., Balanzá-Martinez, V., McGuire, P., Crespo-Facorro, B. & Ayesa-Arriola, R., 12 Apr 2017, In: Schizophrenia Research.

    Research output: Contribution to journalArticlepeer-review

  7. The effects of tobacco smoking on age of onset of psychosis and psychotic symptoms in a first episode psychosis population

    Hickling, L. M., Ortiz-Garcia de la Foz, V., Ayesa-Arriola, R., Crespo-Facorro, B., McGuire, P. & Perez-Iglesias, R., Mar 2017, In: Addiction. 112, 3, p. 526-532

    Research output: Contribution to journalArticlepeer-review

  8. Who needs AESOP? Predicting long term readmission rates from routine EI team discharge information

    Taylor, M. J., Blanco Pena, T. & Perez-Iglesias, R., 26 Jan 2017, In: Early Intervention in Psychiatry. 3 p.

    Research output: Contribution to journalArticlepeer-review

  9. Genetic influences on schizophrenia and subcortical brain volumes: Large-scale proof of concept

    Psychosis Endophenotypes International Consortium, 23 Feb 2016, In: Nature Neuroscience. 19, 3, p. 420-431 12 p.

    Research output: Contribution to journalArticlepeer-review

  10. Suicidal behaviour in first-episode non-affective psychosis: Specific risk periods and stage-related factors

    Ayesa-Arriola, R., Alcaraz, E. G., Hernández, B. V., Pérez-Iglesias, R., López Moríñigo, J. D., Dutta, R., David, A. S., Tabares-Seisdedos, R. & Crespo-Facorro, B., Dec 2015, In: European Neuropsychopharmacology. 25, 12, p. 2278–2288

    Research output: Contribution to journalArticlepeer-review

  11. Common genetic variants influence human subcortical brain structures

    Hibar, D. P., Stein, J. L., Renteria, M. E., Arias-Vasquez, A., Desrivières, S., Jahanshad, N., Toro, R., Wittfeld, K., Abramovic, L., Andersson, M., Aribisala, B. S., Armstrong, N. J., Bernard, M., Bohlken, M. M., Boks, M. P., Bralten, J., Brown, A. A., Mallar Chakravarty, M., Chen, Q., Ching, C. R. K. & 31 others, Cuellar-Partida, G., den Braber, A., Giddaluru, S., Goldman, A. L., Grimm, O., Guadalupe, T., Hass, J., Woldehawariat, G., Holmes, A. J., Hoogman, M., Janowitz, D., Jia, T., Kim, S., Klein, M., Kraemer, B., Lee, P. H., Macare, C., Ramasamy, A., Walton, E., Johnson, R., Perez-Iglesias, R., Schofield, P. R., Williams, R. W., Davies, G. E., Fisher, S. E., Lovestone, S., McDonald, C., Simmons, A., Weale, M. E., Schumann, G. & The Alzheimer’s Disease Neuroimaging Initiative, 9 Apr 2015, In: NATURE. 520, 7546, p. 224-229 21 p.

    Research output: Contribution to journalArticlepeer-review

  12. Dysbindin gene variability is associated with cognitive abnormalities in first-episode non-affective psychosis

    Varela-Gomez, N., Mata, I., Perez-Iglesias, R., Manuel Rodriguez-Sanchez, J., Ayesa, R., Fatjo-Vilas, M. & Crespo-Facorro, B., 4 Mar 2015, In: Cognitive Neuropsychiatry. 20, 2, p. 144-156 13 p.

    Research output: Contribution to journalArticlepeer-review

  13. Comparison of metabolic effects of aripiprazole, quetiapine and ziprasidone after 12 weeks of treatment in first treated episode of psychosis

    Pérez-Iglesias, R., Ortiz-Garcia de la Foz, V., Martínez García, O., Amado, J. A., Garcia-Unzueta, M. T., Ayesa-Arriola, R., Suarez-Pinilla, P., Tabares-Seisdedos, R. & Crespo-Facorro, B., 1 Oct 2014, In: Schizophrenia Research. 159, 1, p. 90-94 5 p.

    Research output: Contribution to journalArticlepeer-review

  14. Lack of insight 3 years after first-episode psychosis: An unchangeable illness trait determined from first presentation?

    Ayesa-Arriola, R., López Moríñigo, J. D., David, A. S., Pérez-Iglesias, R., Manuel Rodríguez-Sánchez, J. & Crespo-Facorro, B., Aug 2014, In: Schizophrenia Research. 157, 1-3, p. 271-277 7 p.

    Research output: Contribution to journalArticlepeer-review

  15. Three-year longitudinal population-based volumetric MRI study in first-episode schizophrenia spectrum patients

    Roiz-Santianez, R., Ayesa-Arriola, R., Tordesillas-Gutierrez, D., Ortiz-Garcia de la Foz, V., Perez-Iglesias, R., Pazos, A., Sanchez, E. & Crespo-Facorro, B., Jun 2014, In: Psychological Medicine. 44, 8, p. 1591-1604 14 p.

    Research output: Contribution to journalArticlepeer-review

  16. Course of weight gain and metabolic abnormalities in first treated episode of psychosis: the first year is a critical period for development of cardiovascular risk factors

    Perez-Iglesias, R., Martinez-Garcia, O., Pardo-Garcia, G., Antonio Amado, J., Teresa Garcia-Unzueta, M., Tabares-Seisdedos, R. & Crespo-Facorro, B., Jan 2014, In: International Journal of Neuropsychopharmacology . 17, 1, p. 41-51 11 p., N/A.

    Research output: Contribution to journalArticlepeer-review

  17. Prediction of acute clinical response following a first episode of non affective psychosis: Results of a cohort of 375 patients from the Spanish PAFIP study

    Crespo-Facorro, B., Ortiz-Garcia de la Foz, V., Ayesa-Arriola, R., Perez-Iglesias, R., Mata, I., Suarez-Pinilla, P., Tabares-Seisdedos, R. & Luis Vazquez-Barquero, J., 1 Jul 2013, In: Progress in Neuro-Psychopharmacology & Biological Psychiatry. 44, p. 162-167 6 p.

    Research output: Contribution to journalArticlepeer-review

  18. Aripiprazole, Ziprasidone and Quetiapine in the treatment of first-episode nonaffective psychosis: A 12-week randomized, flexible-dose, open-label trial

    Crespo-Facorro, B., Ortiz-Garcia de la Foz, V., Mata, I., Ayesa-Arriola, R., Suarez-Pinilla, P., Valdizan, E. M., Luis Vazquez-Barquero, J. & Perez-Iglesias, R., Jul 2013, In: Schizophrenia Research. 147, 2-3, p. 375-382 8 p.

    Research output: Contribution to journalArticlepeer-review

  19. Long-term (3-year) neurocognitive effectiveness of antipsychotic medications in first-episode non-affective psychosis: a randomized comparison of haloperidol, olanzapine, and risperidone

    Ayesa-Arriola, R., Manuel Rodriguez-Sanchez, J., Perez-Iglesias, R., Roiz-Santianez, R., Martinez-Garcia, O., Sanchez-Moreno, J., Tabares-Seisdedos, R., Vazquez-Barquero, J. L. & Crespo-Facorro, B., Jun 2013, In: Psychopharmacology. 227, 4, p. 615-625 11 p.

    Research output: Contribution to journalArticlepeer-review

  20. Long-Term Effect of Haloperidol, Olanzapine, and Risperidone on Plasma Prolactin Levels in Patients With First-Episode Psychosis

    Perez-Iglesias, R., Mata, I., Martinez-Garcia, O., Teresa Garcia-Unzueta, M., Antonio Amado, J., Valdizan, E. M., Luis Vazquez-Barquero, J. & Crespo-Facorro, B., Dec 2012, In: Journal of Clinical Psychopharmacology. 32, 6, p. 804-808 5 p.

    Research output: Contribution to journalArticlepeer-review

  21. Homocysteine and cognition in first-episode psychosis patients

    Ayesa-Arriola, R., Pérez-Iglesias, R., Rodríguez-Sánchez, J. M., Mata, I., Gómez-Ruiz, E., García-Unzueta, M., Martínez-García, O., Tabares-Seisdedos, R., Vázquez-Barquero, J. L. & Crespo-Facorro, B., Oct 2012, In: European Archives Of Psychiatry And Clinical Neuroscience. 262, 7, p. 557-564

    Research output: Contribution to journalArticlepeer-review

  22. Identifying attentional deficits in people with first-episode psychosis with the Scale for the Assessment of Negative Symptoms attention subscale: is it possible?

    González-Blanch, C., Priede, A., Rodríguez-Sánchez, J. M., Perez-Iglesias, R., Vázquez-Barquero, J. L. & Crespo-Facorro, B., Aug 2012, In: Comprehensive Psychiatry. 53, 6, p. 701-705 5 p.

    Research output: Contribution to journalArticlepeer-review

  23. Predicting relapse after a first episode of non-affective psychosis: A three-year follow-up study

    Caseiro, O., Pérez-Iglesias, R., Mata, I., Martínez-Garcia, O., Pelayo-Terán, J. M., Tabares-Seisdedos, R., Ortiz-García de la Foz, V., Vázquez-Barquero, J. L. & Crespo-Facorro, B., Aug 2012, In: Journal of Psychiatric Research. 46, 8, p. 1099-1105 7 p.

    Research output: Contribution to journalArticlepeer-review

  24. Predictors of neurocognitive impairment at 3-years after a first episode non-affective psychosis

    Ayesa-Arriola, R., Perez-Iglesias, R., Rodriguez-Sanchez, J. M., Pardo-Garcia, G., Tabares-Seisdedos, R., Ayuso-Mateos, J. L., Vazquez-Barquero, J. L. & Crespo-Facorro, B., 3 May 2012, In: Progress in Neuro-Psychopharmacology & Biological Psychiatry. 43, 3, p. 23-28

    Research output: Contribution to journalArticlepeer-review

  25. Predictors of clinical remission following a first episode of non-affective psychosis: Sociodemographics, premorbid and clinical variables

    Diaz, I., Pelayo-Teran, J. M., Perez-Iglesias, R., Mata, I., Tabares-Seisdedos, R., Suarez-Pinilla, P., Vazquez-Barquero, J. L. & Crespo-Facorro, B., 30 Apr 2012, In: Psychiatry Research. 206, 2-3, p. 181-187

    Research output: Contribution to journalArticlepeer-review

  26. One year longitudinal study of the straight gyrus morphometry in first-episode schizophrenia-spectrum patients

    Roiz-Santiáñez, R., Pérez-Iglesias, R., Ortíz-García de la Foz, V., Tordesillas-Gutiérrez, D., Mata, I., González-Mandly, A., Pazos, A., Tabarés-Seisdedos, R., Vázquez-Barquero, J. L. & Crespo-Facorro, B., Apr 2012, In: Psychiatry Research. Neuroimaging. 202, 1, p. 80-83 4 p.

    Research output: Contribution to journalArticlepeer-review

  27. Long-term (3-year) effectiveness of haloperidol, risperidone and olanzapine: results of a randomized, flexible-dose, open-label comparison in first-episode nonaffective psychosis

    Crespo-Facorro, B., Pérez-Iglesias, R., Mata, I., Martínez-Garcia, O., Ortiz, V., Pelayo-Terán, J. M., Valdizan, E. & Vazquez-Barquero, J. L., Jan 2012, In: Psychopharmacology. 219, 1, p. 225-233 9 p.

    Research output: Contribution to journalArticlepeer-review

  28. Inflammatory and immune response genes have significantly altered expression in schizophrenia

    Sainz, J., Mata, I., Barrera, J., Perez-Iglesias, R., Varela, I., Arranz, M. J., Rodriguez, M. C. & Crespo-Facorro, B., 2012, In: Molecular Psychiatry.

    Research output: Contribution to journalArticlepeer-review

  29. Sex-specific variation of MRI-based cortical morphometry in adult healthy volunteers: the effect on cognitive functioning

    Crespo-Facorro, B., Roiz-Santiáñez, R., Pérez-Iglesias, R., Mata, I., Rodríguez-Sánchez, J. M., Tordesillas-Gutiérrez, D., Ortíz-García de la Foz, V., Tabarés-Seisdedos, R., Sánchez, E., Andreasen, N., Magnotta, V. & Vázquez-Barquero, J. L., Mar 2011, In: Progress in Neuro-Psychopharmacology & Biological Psychiatry. 35, 2, p. 616-623 8 p.

    Research output: Contribution to journalArticlepeer-review

  30. A digit symbol coding task as a screening instrument for cognitive impairment in first-episode psychosis

    González-Blanch, C., Pérez-Iglesias, R., Rodríguez-Sánchez, J. M., Pardo-García, G., Martínez-García, O., Vázquez-Barquero, J. L. & Crespo-Facorro, B., 2011, In: Archives of Clinical Neuropsychology. 26, 1, p. 48-58 11 p.

    Research output: Contribution to journalArticlepeer-review

  31. Catechol-O-methyltransferase Val158Met polymorphism and negative symptoms after acute antipsychotic treatment in first-episode non-affective psychosis

    Pelayo-Terán, J. M., Pérez-Iglesias, R., Vázquez-Bourgon, J., Mata, I., Carrasco-Marín, E., Vázquez-Barquero, J. L. & Crespo-Facorro, B., 2011, In: Psychiatry Research. 185, 1-2, p. 286-289 4 p.

    Research output: Contribution to journalArticlepeer-review

  32. Effectiveness of haloperidol, risperidone and olanzapine in the treatment of first-episode non-affective psychosis: results of a randomized, flexible-dose, open-label 1-year follow-up comparison

    Crespo-Facorro, B., Pérez-Iglesias, R., Mata, I., Ramirez-Bonilla, M., Martínez-Garcia, O., Pardo-Garcia, G., Caseiro, O., Pelayo-Terán, J. M. & Vázquez-Barquero, J. L., 2011, In: Journal of Psychopharmacology. 25, 6, p. 744-754 11 p.

    Research output: Contribution to journalArticlepeer-review

  33. Insight dimensions in first-episode psychosis patients: clinical, cognitive, pre-morbid and socio-demographic correlates

    Ayesa-Arriola, R., Rodríguez-Sánchez, J. M., Morelli, C., Pelayo-Terán, J. M., Pérez-Iglesias, R., Mata, I., Martínez-Garcia, O., Pardo-Garcia, G., Vazquez-Barquero, J. L. & Crespo-Facorro, B., 2011, In: Early Intervention in Psychiatry. 5, 2, p. 140-149 10 p.

    Research output: Contribution to journalArticlepeer-review

  34. Relapse prevention and remission attainment in first-episode non-affective psychosis. A randomized, controlled 1-year follow-up comparison of haloperidol, risperidone and olanzapine

    Crespo-Facorro, B., Pérez-Iglesias, R., Mata, I., Caseiro, O., Martínez-Garcia, O., Pardo, G., Ramirez-Bonilla, M., Pelayo-Terán, J. M. & Vázquez-Barquero, J. L., 2011, In: Journal of Psychiatric Research. 45, 6, p. 763-769 7 p.

    Research output: Contribution to journalArticlepeer-review

  35. Straight gyrus morphology in first-episode schizophrenia-spectrum patients

    Roiz-Santiáñez, R., Pérez-Iglesias, R., Ortiz-García de la Foz, V., Tordesillas-Gutiérrez, D., Mata, I., Marco de Lucas, E., Pazos, A., Tabarés-Seisdedos, R., Vázquez-Barquero, J. L. & Crespo-Facorro, B., 2011, In: Progress in Neuro-Psychopharmacology & Biological Psychiatry. 35, 1, p. 84-90 7 p.

    Research output: Contribution to journalArticlepeer-review

  36. Using structural equations to test for a direct effect of some antipsychotics on triglyceride levels in drug-naïve first-episode psychosis patients

    Diaz, F. J., Perez-Iglesias, R., Mata, I., Martínez-Garcia, O., Vázquez-Barquero, J. L., de Leon, J. & Crespo-Facorro, B., 2011, In: Schizophrenia Research. 131, 1-3, p. 82-89 8 p.

    Research output: Contribution to journalArticlepeer-review

  37. Effect of FTO, SH2B1, LEP, and LEPR Polymorphisms on Weight Gain Associated With Antipsychotic Treatment

    Perez-Iglesias, R., Mata, I., Antonio Amado, J., Berja, A., Teresa Garcia-Unzueta, M., Martinez Garcia, O., Jesus Arranz, M., Luis Vazquez-Barquero, J. & Crespo-Facorro, B., Dec 2010, In: Journal of Clinical Psychopharmacology. 30, 6, p. 661 - 666 6 p.

    Research output: Contribution to journalArticlepeer-review

  38. Temporal pole morphology in first-episode schizophrenia patients: clinical correlations

    Roiz-Santiáñe, Z. R., Pérez-Iglesias, R., Quintero, C., Tordesillas-Gutiérrez, D., Mata, I., Gutiérrez, A., Sánchez, E., Pazos, A., Tabarés-Seisdedos, R., Vázquez-Barquero, J. L. & Crespo-Facorro, B., Dec 2010, In: Psychiatry Research. 184, 3, p. 189-191 3 p.

    Research output: Contribution to journalArticlepeer-review

  39. Additive effect of NRG1 and DISC1 genes on lateral ventricle enlargement in first episode schizophrenia

    Mata, I., Perez-Iglesias, R., Roiz-Santiañez, R., D., T-G., Gonzalez-Mandly, A., Berja, A., Vazquez-Barquero, J. L. & Crespo-Facorro, B., Nov 2010, In: NeuroImage. 53, 3, p. 1016-1022 7 p.

    Research output: Contribution to journalArticlepeer-review

  40. Catechol-O-Methyltransferase (COMT) Val158Met variations and cannabis use in first-episode non-affective psychosis: clinical-onset implications

    Pelayo-Terán, J. M., Pérez-Iglesias, R., Mata, I., Carrasco-Marín, E., Vázquez-Barquero, J. L. & Crespo-Facorro, B., Oct 2010, In: Psychiatry Research. 179, 3, p. 291-296 6 p.

    Research output: Contribution to journalArticlepeer-review

  41. Insular cortex thinning in first episode schizophrenia patients

    Roiz-Santiáñez, R., Pérez-Iglesias, R., Quintero, C., Tordesillas-Gutiérrez, D., Mata, I., Ayesa, R., Sánchez, J. M., Gutiérrez, A., Sanchez, E., Vázquez-Barquero, J. L. & Crespo-Facorro, B., Jun 2010, In: Psychiatry Research. Neuroimaging. 182, 3, p. 216-222 7 p.

    Research output: Contribution to journalArticlepeer-review

  42. White Matter Integrity and Cognitive Impairment in First-Episode Psychosis

    Perez-Iglesias, R., Tordesillas-Gutierrez, D., McGuire, P. K., Barker, G. J., Roiz-Santianez, R., Mata, I., Marco de Lucas, E., Manuel Rodriguez-Sanchez, J., Ayesa-Arriola, R., Vazquez-Barquero, J. L. & Crespo-Facorro, B., Apr 2010, In: The American Journal of Psychiatry. 167, 4, p. 451 - 458 8 p.

    Research output: Contribution to journalArticlepeer-review

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