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Profile Photo

Professor Ronan Leahy

Clinical Professor (Paediatrics)
TALLAGHT HOSPITAL
      
Profile Photo

Professor Ronan Leahy

Clinical Professor (Paediatrics)
TALLAGHT HOSPITAL

 leahyt@tcd.ie

 3531896 3763


  IMMUNODEFICIENCY   INFECTION   PAEDIATRICS
Project Title
 Mumps outbreaks in a highly vaccinated population
From
Sept 2018
To
June 2021
Summary
This is a prospective observational study using systems immunology techniques to identify serological markers that more reliably define immunity to infection with the mumps virus post vaccination
Funding Agency
NCRC
Project Title
 Retrospective review of clinical phenotype of Autosomal recessive natural killer and glucocorticoid deficiency (AR-NKGCD aka MCM4 deficiency).
From
January 2021
To
Summary
Retrospective study examining the clinical phenotype of patients with AR-NKGCD, an inborn error of immunity associated with deficiency of Natural Killer cells, increased susceptibility to viral infection and adrenocortical insufficiency
Project Type
retrospective cohort study
Project Title
 Functional exploration of a novel variant in MAPK1 associated with hypogammaglobulinemia.
From
To
Summary
Prospective observational study exploring the immunological aspects of a novel GOF mutation in MAPK1 associated with both a Noonan syndrome phenotype and a common variable immunodeficiency phenotype
Project Title
 Functional exploration of a novel variant in BCL2L11 associated with hypogammaglobulinemia.
From
To
Summary
Prospective observational study examining the immunological basis of common variable immunodeficiency seen in a patient with a novel variant in BCL2L11.
Project Title
 Investigation of uptake rate of antenatal Tdap vaccine in maternity hospital in Republic of Ireland and factors influencing its uptake
From
March 2021
To
Summary
Prospective observational study examining factors associated with uptake of the antenatal Tdap vaccine in pregnancy in Ireland

Details Date
European Society of Immunodeficiency
European Society of Paediatric Infectious Diseases
Irish Association of Allergy and Immunology
Language Skill Reading Skill Writing Skill Speaking
English Fluent Fluent Fluent
French Medium Medium Medium
Irish Fluent Medium Medium
Details Date From Date To
Royal College of Physicians of Ireland (Paediatrics)
European Society of Immunodeficiency
European Society of Paediatric Infectious Diseases
Irish Association of Allergy and Immunology
Cox J, Ó Maoldomhnaigh C, Orr D, O'Sullivan MJ, Leahy TR., Cutaneous Mycobacterium llatzerense Infection in an Immunocompetent Child., The Pediatric infectious disease journal, 44, (3), 2025, pe109-e110 , Journal Article, PUBLISHED  DOI
Blokhuis C, Leahy TR, Irvine AD, Browne F, Flinn AM., Baricitinib-Induced Remission of Alopecia Universalis in a Child with NFKB2-Associated Immune Dysregulation., Journal of clinical immunology, 45, (1), 2025, p62 , Journal Article, PUBLISHED  DOI
Fischer M, Olbrich P, Hadjadj J, Aumann V, Bakhtiar S, Barlogis V, von Bismarck P, Bloomfield M, Booth C, Buddingh EP, Cagdas D, Castelle M, Chan AY, Chandrakasan S, Chetty K, Cougoul P, Crickx E, Dara J, Deyà-Martínez A, Farmand S, Formankova R, Gennery AR, Gonzalez-Granado LI, Hagin D, Hanitsch LG, Hanzlikovà J, Hauck F, Ivorra-Cortés J, Kisand K, Kiykim A, Körholz J, Leahy TR, van Montfrans J, Nademi Z, Nelken B, Parikh S, Plado S, Ramakers J, Redlich A, Rieux-Laucat F, Rivière JG, Rodina Y, Júnior PR, Salou S, Schuetz C, Shcherbina A, Slatter MA, Touzot F, Unal E, Lankester AC, Burns S, Seppänen MRJ, Neth O, Albert MH, Ehl S, Neven B, Speckmann C., JAK inhibitor treatment for inborn errors of JAK/STAT signaling: An ESID/EBMT-IEWP retrospective study., The Journal of allergy and clinical immunology, 153, (1), 2024, p275-286.e18 , Journal Article, PUBLISHED  DOI
Rensing-Ehl A, Lorenz MR, Führer M, Willenbacher W, Willenbacher E, Sopper S, Abinun M, Maccari ME, König C, Haegele P, Fuchs S, Castro C, Kury P, Pelle O, Klemann C, Heeg M, Thalhammer J, Wegehaupt O, Fischer M, Goldacker S, Schulte B, Biskup S, Chatelain P, Schuster V, Warnatz K, Grimbacher B, Meinhardt A, Holzinger D, Oommen PT, Hinze T, Hebart H, Seeger K, Lehmberg K, Leahy TR, Claviez A, Vieth S, Schilling FH, Fuchs I, Groß M, Rieux-Laucat F, Magerus A, Speckmann C, Schwarz K, Ehl S, ALPS Study Group., Abnormal biomarkers predict complex FAS or FADD defects missed by exome sequencing., The Journal of allergy and clinical immunology, 153, (1), 2024, p297-308.e12 , Journal Article, PUBLISHED  DOI
Hägele P, Staus P, Scheible R, Uhlmann A, Heeg M, Klemann C, Maccari ME, Ritterbusch H, Armstrong M, Cutcutache I, Elliott KS, von Bernuth H, Leahy TR, Leyh J, Holzinger D, Lehmberg K, Svec P, Masjosthusmann K, Hambleton S, Jakob M, Sparber-Sauer M, Kager L, Puzik A, Wolkewitz M, Lorenz MR, Schwarz K, Speckmann C, Rensing-Ehl A, Ehl S, ALPID study group., Diagnostic evaluation of paediatric autoimmune lymphoproliferative immunodeficiencies (ALPID): a prospective cohort study., The Lancet. Haematology, 11, (2), 2024, pe114-e126 , Journal Article, PUBLISHED  DOI
Trayer J, Browne F, O'Sullivan M, Leahy TR., Cutaneous Eruption Associated with Sirolimus in a Child with FAS-Associated Autoimmune Lymphoproliferative Syndrome., Journal of clinical immunology, 43, (7), 2023, p1537-1539 , Journal Article, PUBLISHED  DOI
Lum SH, Greener S, Perez-Heras I, Drozdov D, Payne RP, Watson H, Carruthers K, January R, Nademi Z, Owens S, Williams E, Waugh S, Burton-Fanning S, Leahy TR, Cant A, Abinun M, Flood T, Hambleton S, Gennery AR, Slatter M., T-replete HLA-matched grafts vs T-depleted HLA-mismatched grafts in inborn errors of immunity., Blood advances, 6, (4), 2022, p1319-1328 , Journal Article, PUBLISHED  DOI
Ghimenton E, Flinn A, Lum SH, Leahy TR, Nademi Z, Owens S, Williams E, Flood T, Hambleton S, Slatter M, Gennery AR., Hematopoietic Cell Transplantation for Adenosine Deaminase Severe Combined Immunodeficiency-Improved Outcomes in the Modern Era., Journal of clinical immunology, 2022, Journal Article, PUBLISHED  DOI
Clifford D, Moloney F, Leahy TR, Murray DM., Roifman syndrome: a description of further immunological and radiological features. , BMJ case reports, 15, (4), 2022, pe249109 , Journal Article, PUBLISHED  DOI
Mulvihill C, Fitzgerald K, O'Regan E, Healy CM, Leahy TR., Successful treatment of oral potentially malignant lesions with ruxolitinib in STAT3 gain-of-function disease., Oral oncology, 132, 2022, p106015 , Journal Article, PUBLISHED  DOI
  

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Adriana de Jesus, Sofia Torreggiani, Bin Lin, Jacob Mitchell, Eric Karlins, Andrew Oler, Sara Alehashemi, Dana Kahle, Katelin R Honer, Gema Souto Adeva, Eric Hanson, Gina Montealegre Sanchez, Amer Khojah, Timothy Moran, Eveline Wu, Chris Scott, Timothy Ronan Leahy, Emma Jane MacDermott, Orla Killeen, Thaschawee Arkachaisri, Zoran Gucev, Kathryn Phillippi, Vafa Mammadova, Gulnara Nasrullayeva, Raphaela Goldbach-Mansky, Splice Site Variants in IKBKG, Encoding NEMO, Detected by a Customized Analysis of Next-Generation Sequencing Data Cause an Early-onset Autoinflammatory Syndrome of Panniculitis and Cytopenias in Male and Female Patients., Arthritis and Rheumatology, ACR convergence, Virtual, Nov 5-9, 2020, 72, (S10), Wiley, 2020, Oral Presentation, PUBLISHED
Sinead Kenealy, Dina Danso-Abeam, Gareth Brady, Niamh Kerslake, Jennifer Cox, Annmarie Broderick, Emma MacDermott, Michael McDermott, Helen Lachmann, Elizabeth Ryan, Ronan Leahy, Emma M. Creagh , Identification of an NLRP6 mutation in a Paediatric Patient with Autoinflammatory Disease., ESID 2020, Birmingham (virtual), 14-17 October 2020, 2020, Oral Presentation, PUBLISHED
Elizabeth Murphy, Gearoid McGauran, David Coghlan, Ronan Leahy, Claire Purcell, Parechovirus infection as the presenting illness in an infant with SCID, Archives of Disease in Childhood, Europediatrics, Dublin, 13-15 June 2019, 104, (Suppl 3), BMJ, 2019, ppA306 - A307, Poster, PUBLISHED
Jayne MacMahon, Ana Louise Hawke, Emma J MacDermott, Patrick Gavin, Karina Butler, Timothy Ronan Leahy, Orla G Killeen, P373 You give me fever!-the autoinflammatory clinic in an irish tertiary paediatric hospital, Archives of Disease in Childhood, Europediatrics, Dublin, 13-15 June 2019, 104, (Suppl 3), BMJ, 2019, ppA305 - A306, Poster, PUBLISHED
Ana Louise Hawke, Timothy Ronan Leahy, Jayne M MacMahon, Emma Jane MacDermott, Karina Butler, Patrick Gavin, Orla G Killeen, GP194 Periodic fever-the irish PFAPA story so far, Archives of Disease in Childhood, Europediatrics, Dublin, 13-15 June 2019, 104, (Suppl 3), BMJ, 2019, ppA109 - A109, Poster, PUBLISHED
Siobhan McCormack, David Orr, Fiona McNicholas, Ronan Leahy, Suzanne Kelleher, GP107 Integrated care for 22q11 deletion syndrome in ireland-meeting children's needs through enhanced care co-ordination, Archives of Disease in Childhood, Europediatrics, Dublin, 13-15 June 2019, 104, (Suppl 3), BMJ, 2019, ppA73 - A74, Poster, PUBLISHED
Karen McCarthy, Eilis Moore, Karina Butler, Ronan Leahy, Patrick Gavin, OC29 Respiratory syncytial virus hospital admission and outcome in ireland among infants born less than 32 weeks gestation in the era of changing palivizumab prescription, Archives of Disease in Childhood, Europediatrics, Dublin, 13-15 June 2019, 104, (Suppl 3), BMJ, 2019, ppA12 - A12, Poster, PUBLISHED
Anne Lawlor, Lorna Kerin, David Orr, Ronan Leahy, Fiona Crotty, Suzanne Kelleher, Sally Lynch, Laura Duggan, Eleanor Molloy, Edel Altman, Aisling O'Dwyer, Christina Cotter, Alana Ward, Fiona Mc Nicholas, Developing integrated care in the context of rare chromosomal conditions: 22q11 Deletion Syndrome; A parent/clinician collaboration., International Journal of Integrated Care, 17, (5), Ubiquity Press, 2017, Poster, PUBLISHED
Human Herpes virus 6/7 in, editor(s)Mike Sharland, Karina Butler, Andrew Cant, Ron Dagan, Graham Davies, Ronald de Groot, David Elliman, Susanna Esposito, Adam Finn, Manolis Galanakis, Carlo Giaquinto, Jim Gray, Paul Heath, Terho Heikkinen, Ulrich Heininger, Philipp Henneke, Irja Lutsar, Hermione Lyall, Federico Martinon Torres, Andrew Pollard, Mary Ramsay, Andrew Riordan, Fernanda Rodrigues, Emmanuel Roilides, Pablo Rojo, Delane Shingadia, Steve Tomlin, and Maria Tsolia , Manual of Childhood Infections; 4th Edition, Oxford University Press, Oxford University Press, 2016, [Ronan Leahy], Book Chapter, PUBLISHED
Abdullah Al Qayoodhi, Sophie Hambleton, Andrew Hattersley, Andrew Cant, Sarah Flanagan, Karin Engelhardt, David Swan, Joseph Willet, Yaobo Xu, Mauro Koref, Ronan Leahy, Autoimmunity In STAT3 Gain Of Function Mutations; Broadening The Phenotype: P35, Clinical and Experimental Immunology, UKPIN, Liverpool, 2015, 182, 2015, Poster, PUBLISHED

  


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Award Date
Best Oral Research Presentation, Annual Research Day, CHI @ Crumlin 2011