Rebecca J Ronsley, MD, FRCPC

Cancer and Blood Disorders Center, Brain Tumor Program, Immunotherapy Program

On staff since August 2022

Children's Title: Attending Physician, Cancer and Blood Disorders Center

Academic Title: Assistant Professor, Department of Pediatrics, University of Washington School of Medicine

Research Title: Principal Investigator, Seattle Children’s Hospital Research Institute and Ben Towne Center for Childhood Cancer Research

Research Center: Ben Towne Center for Childhood Cancer Research

"It is a privilege to care for children with brain tumors as part of a multidisciplinary team of exemplary, committed care providers here at Seattle Children’s. I continue to be inspired by the strength and resilience of our patients and families."

• Biography

  Dr. Ronsley is an Attending Physician and pediatric oncologist in the Brain Tumor Program at Seattle Children’s Hospital. She is the Program Director for the Pediatric Neuro-Oncology Fellowship and Education Lead for the Brain Tumor Program at Seattle Children’s Hospital. She is a Clinician Scholar and is involved with local (including our BrainChild/CAR-T trials) and national trials to develop novel therapies for difficult-to-treat pediatric brain tumors. As well, Dr. Ronsley is interested in survivorship/morbidity reduction for pediatric brain tumor patients and collaborates locally and nationally with the Childhood Cancer Survivorship Study and the International CNS Germ Cell Tumor Consortium.
• Patient Testimonials
  • Sandra Seattle, WA 07.28.23

    Dr. Ronsley is my daughter's oncologist for craniopharyngioma. She has a complicated brain tumor and many hormone problems, which have been challenging to manage. Dr. Ronsley is very knowledgeable about our child's diagnosis and explained everything very clearly to us right for the beginning. Dr. Ronsley has been so kind and so patient in answering all of our questions. She works together with our endocrinologist to make sure the care is coordinated and we heard from the endocrinologist that Dr. Ronsley is an expert in this particular diagnosis - we feel so lucky to have her caring for our daughter! She is so humble, and never in a rush and is wonderful with our daughter and always prioritizes making her feel comfortable in the appointment.

  • Barbara Seattle, WA 02.06.23

    Dr. Ronsley is our son's oncologist and she is absolutely wonderful. She is highly intelligent and clearly knows the field and we trust her completely. She is patient and makes sure that we understand everything she is saying. I know that she will leave no stone unturned when it comes to our son's care. She is also great with our son - she is kind and thoughtful and really tries to ensure that he is comfortable every visit. He started his oncology journey scared and would scream every time someone came in the room, but Dr. Ronsley worked hard to make visits "fun" and now he smiles and is excited to see her - he absolutely loves her! thank you, Dr. Ronsley, for everything you do!

  Recommend Rebecca J Ronsley, MD, FRCPC
• Awards and Honors

  Award Name	Award Description	Awarded By	Award Date
  Department of Pediatrics Best Fellow Research Award		University of British Columbia	2021
  Department of Pediatrics Best Fellow Research Award		University of British Columbia	2018
  Dr. John Dupre Award		Canadian Society for Endocrinology and Metabolism	2017
  Department of Pediatrics Best Resident Research Paper Award		University of British Columbia	2017
  David Alexander Clark M.D Award Department of Pediatrics- Best Resident		University of British Columbia	2017
  First Place in the 29th Annual National Canadian Paediatric Resident Research Competition			2017
  Child & Family Research Institute Outstanding Achievement by a Resident		British Columbia Children’s Hospital	2016
  Canadian Paediatric Society (CPS) Award of Excellence			2015
  Department of Paediatrics Best Resident Research Award		University of British Columbia	2015
  Best Resident Research Paper Award		Department of Paediatrics, British Columbia Children’s Hospital	2015
  First place in the 27th Annual National Canadian Paediatric Resident Research Competition			2015
  Gordon Cressy Student Leadership Award		University of Toronto	2014
  Delbert S. Hoare Medical Education Award		University of Toronto	2014
  Nishant Fozdar Memorial Award		University of Toronto	2014
  Citizenship Top Medical Student Award		Professional Association of Interns and Residents of Ontario (PAIRO)	2013
  Pilari Scholarship	Scholarship awarded to a University of Toronto medical student from any year of medicine for outstanding contributions to medical education.	University of Toronto	2012

• Publications

  Other Publications

  • Ronsley R, Lazow M, Henry RK
    Growth hormone after CNS tumor diagnosis: the fundamentals, fears, facts, and future directions.
    36939305 Pediatric hematology and oncology, 2023 Mar 20 : 1-14
  • Ronsley R, Crowell C, Irvine M, Kang M, Goldman RD, Erker C, Cheng S
    Impact of Time to Diagnosis on Morbidity and Survival in Children With Malignant Central Nervous System Tumors.
    35129148 Journal of pediatric hematology/oncology, 2023 Mar 1 : 45(2)e188-e193
  • Vitanza NA, Ronsley R, Choe M, Henson C, Breedt M, Barrios-Anderson A, Wein A, Brown C, Beebe A, Kong A, Kirkey D, Lee BM, Leary SES, Crotty EE, Hoeppner C, Holtzclaw S, Wilson AL, Gustafson JA, Foster JB, Iliff JJ, Goldstein HE, Browd SR, Lee A, Ojemann JG, Pinto N, Gust J, Gardner RA, Jensen MC, Hauptman JS, Park JR
    Locoregional CAR T cells for children with CNS tumors: Clinical procedure and catheter safety.
    36599192 Neoplasia (New York, N.Y.), 2023 Feb. : 36100870 PMCID:PMC9823206
  • L'Ecuyer A, Ronsley R, Lam J, Dix DB
    Complete resolution of alopecia totalis following chemotherapy for B-cell acute lymphoblastic leukemia.
    35297096 Pediatric dermatology, 2022 July : 39(4)655-656
  • Favel K, Irvine M, Ronsley R, Panagiotopoulos C, Mammen C
    Glomerular Filtration Rate Abnormalities in Children With Type 1 Diabetes.
    35752567 Canadian journal of diabetes, 2022 July : 46(5)457-463.e1
  • Ronsley R, Boué DR, Venkata LPR, Scott S, Shaikhouni A, Jones J, Schieffer KM, Cottrell CE, Mardis ER, Olshefski R, Salloum R, Miller KE
    An unusual case of atypical teratoid/rhabdoid tumor, initially diagnosed as atypical pituitary adenoma in a 13-year-old male patient.
    35967098 Neuro-oncology advances, 2022 Jan. : 4(1)vdac121 PMCID:PMC9370375
  • Ronsley R, Bouffet E, Dirks P, Drake J, Kulkarni A, Bartels U
    Successful management of symptomatic hydrocephalus using a temporary external ventricular drain with or without endoscopic third ventriculostomy in pediatric patients with germinoma.
    35238528 Journal of neurosurgery, 2021 Dec 3 : 1-6
  • Ronsley R, Bouffet E
    COVID-19 in pediatric cancer: Where are the brain tumors?
    34415031 Neuro-oncology, 2021 Nov 2 : 23(11)1977-1979 PMCID:PMC8763231
  • Jogendran M, Ronsley R, Goldman RD, Cheng S
    Perceived Barriers to the Time to Diagnosis of Central Nervous System Tumors in Children: Surveying the Perspectives From the Frontline.
    34133384 Journal of pediatric hematology/oncology, 2021 Nov 1 : 43(8)e1262-e1265
  • Graham RT, Abu-Arja MH, Stanek JR, Cappellano A, Coleman C, Chi S, Cooney T, Dhall G, Ellen JG, Finlay JL, Fisher MJ, Friedman GK, Gajjar A, Gauvain K, Hoffman LM, Hukin J, Lucas JT Jr, Mueller S, Navalkele P, Ronsley R, Tinkle C, Villeneuve S, Yeo KK, Su JM, Margol A, Gottardo NG, Allen J, Packer R, Bartels U, Abdelbaki MS
    Multi-institutional analysis of treatment modalities in basal ganglia and thalamic germinoma.
    34125480 Pediatric blood & cancer, 2021 Oct. : 68(10)e29172 PMCID:PMC9639702
  • Ronsley R, Cardarelli-Leite L, Burrill J, Deyell RJ, Heran MKS
    Life-Threatening Intratumoral Hemorrhage in an Infant with Hepatoblastoma Successfully Treated with Hepatic Arterial Embolization.
    33864908 Journal of vascular and interventional radiology : JVIR, 2021 July : 32(7)1094-1096
  • Ronsley R, Hounjet CD, Cheng S, Rassekh SR, Duncan WJ, Dunham C, Gardiner J, Ghag A, Ludemann JP, Wensley D, Rehmus W, Sargent MA, Hukin J
    Trametinib therapy for children with neurofibromatosis type 1 and life-threatening plexiform neurofibroma or treatment-refractory low-grade glioma.
    33939292 Cancer medicine, 2021 June : 10(11)3556-3564 PMCID:PMC8178485
  • Ronsley R, Jacques L, Potts JE, Clement K, Dix DB, Mahon P
    Association between in-line filtration and Type I hypersensitivity reactions in pediatric oncology patients receiving intravenous etoposide.
    33150845 Pediatric hematology and oncology, 2021 April : 38(3)208-215
  • Ronsley R, Dunham C, Yip S, Brown L, Zuccato JA, Karimi S, Zadeh G, Goddard K, Singhal A, Hukin J, Cheng S
    A case series of pediatric survivors of anaplastic pleomorphic xanthoastrocytoma.
    33543147 Neuro-oncology advances, 2021 Jan. : 3(1)vdaa176 PMCID:PMC7849951
  • Ronsley R, Rassekh SR, Fleming A, Empringham B, Jennings W, Portwine C, Burrow S, Zelcer S, Johnston DL, Thabane L, Samaan MC
    High molecular weight adiponectin levels are inversely associated with adiposity in pediatric brain tumor survivors.
    33122755 Scientific reports, 2020 Oct 29 : 10(1)18606 PMCID:PMC7596561
  • Fox DA, Ronsley R, Khowaja AR, Haim A, Vallance H, Sinclair G, Amed S
    Clinical Impact and Cost Efficacy of Newborn Screening for Congenital Adrenal Hyperplasia.
    32044100 The Journal of pediatrics, 2020 May : 220101-108.e2
  • Marr K, Ronsley R, Nadel H, Douglas K, Gershony S, Strahlendorf C, Davis JH, Deyell RJ
    Ifosfamide, gemcitabine, and vinorelbine is an effective salvage regimen with excellent stem cell mobilization in relapsed or refractory pediatric Hodgkin lymphoma.
    31925920 Pediatric blood & cancer, 2020 April : 67(4)e28167
  • Ronsley R, Islam N, Kang M, Nadel H, Reilly C, Metzger D, Selby K, Panagiotopoulos C
    Effects of Bisphosphonate Therapy on Bone Mineral Density in Boys with Duchenne Muscular Dystrophy.
    33335437 Clinical medicine insights. Endocrinology and diabetes, 2020 : 131179551420972400 PMCID:PMC7724415
  • Ronsley R, Kariminia A, Ng B, Mostafavi S, Reid G, Subrt P, Hijiya N, Schultz KR
    The TLR9 agonist (GNKG168) induces a unique immune activation pattern in vivo in children with minimal residual disease positive acute leukemia: Results of the TACL T2009-008 phase I study.
    31530240 Pediatric hematology and oncology, 2019 Nov. : 36(8)468-481
  • Ronsley R, Ling F, Rehmus W, Dmytryshyn A
    Lice infestation causing severe anemia in a 4-year-old child.
    31300428 Canadian family physician Medecin de famille canadien, 2019 July : 65(7)473-475 PMCID:PMC6738469
  • Coupal KE, Heeney ND, Hockin BCD, Ronsley R, Armstrong K, Sanatani S, Claydon VE
    Pubertal Hormonal Changes and the Autonomic Nervous System: Potential Role in Pediatric Orthostatic Intolerance.
    31798399 Frontiers in neuroscience, 2019 : 131197 PMCID:PMC6861527
  • Ronsley R, Rassekh SR, Shen Y, Lee AF, Jantzen C, Halparin J, Albert C, Hawkins DS, Amed S, Rothstein R, Mungall AJ, Dix D, Blair G, Nadel H, Jones SJM, Laskin J, Marra MA, J Deyell R
    Application of genomics to identify therapeutic targets in recurrent pediatric papillary thyroid carcinoma.
    29610391 Cold Spring Harbor molecular case studies, 2018 April : 4(2) PMCID:PMC5880264
  • Ronsley R, Islam N, Ronsley C, Metzger DL, Panagiotopoulos C
    Adherence to a pediatric diabetic ketoacidosis protocol in children presenting to a tertiary care hospital.
    28664545 Pediatric diabetes, 2018 March : 19(2)333-338
  • Hursh BE, Ronsley R, Islam N, Mammen C, Panagiotopoulos C
    Acute Kidney Injury in Children With Type 1 Diabetes Hospitalized for Diabetic Ketoacidosis.
    28288246 JAMA pediatrics, 2017 May 1 : 171(5)e170020
  • Ronsley R, Nguyen D, Davidson J, Panagiotopoulos C
    Increased Risk of Obesity and Metabolic Dysregulation Following 12 Months of Second-Generation Antipsychotic Treatment in Children: A Prospective Cohort Study.
    26720191 Canadian journal of psychiatry. Revue canadienne de psychiatrie, 2015 Oct. : 60(10)441-50 PMCID:PMC4679120
  • Ronsley R, Lee AS, Kuzeljevic B, Panagiotopoulos C
    Healthy Buddies™ reduces body mass index z-score and waist circumference in Aboriginal children living in remote coastal communities.
    23879779 The Journal of school health, 2013 Sept. : 83(9)605-13
  • Ronsley R, Scott D, Warburton WP, Hamdi RD, Louie DC, Davidson J, Panagiotopoulos C
    A population-based study of antipsychotic prescription trends in children and adolescents in British Columbia, from 1996 to 2011.
    23768264 Canadian journal of psychiatry. Revue canadienne de psychiatrie, 2013 June : 58(6)361-9
  • Ronsley R, Rayter M, Smith D, Davidson J, Panagiotopoulos C
    Metabolic monitoring training program implementation in the community setting was associated with improved monitoring in second-generation antipsychotic-treated children.
    22546061 Canadian journal of psychiatry. Revue canadienne de psychiatrie, 2012 May : 57(5)292-9
  • Panagiotopoulos C, Ronsley R, Kuzeljevic B, Davidson J
    Waist circumference is a sensitive screening tool for assessment of metabolic syndrome risk in children treated with second-generation antipsychotics.
    22296966 Canadian journal of psychiatry. Revue canadienne de psychiatrie, 2012 Jan. : 57(1)34-44
  • Panagiotopoulos C, Ronsley R, Al-Dubayee M, Brant R, Kuzeljevic B, Rurak E, Cristall A, Marks G, Sneddon P, Hinchliffe M, Chanoine JP, Mâsse LC
    The centre for healthy weights--shapedown BC: a family-centered, multidisciplinary program that reduces weight gain in obese children over the short-term.
    22408595 International journal of environmental research and public health, 2011 Dec. : 8(12)4662-78 PMCID:PMC3290977
  • Ronsley R, Raghuram K, Davidson J, Panagiotopoulos C
    Barriers and facilitators to implementation of a metabolic monitoring protocol in hospital and community settings for second-generation antipsychotic-treated youth.
    21541103 Journal of the Canadian Academy of Child and Adolescent Psychiatry = Journal de l'Academie canadienne de psychiatrie de l'enfant et de l'adolescent, 2011 May : 20(2)134-41 PMCID:PMC3085673
  • Ronsley R, Elbe D, Smith DH, Garland EJ
    Do Hospital and Community SSRI Usage Patterns in Children and Adolescents Match the Evidence?
    20842278 Journal of the Canadian Academy of Child and Adolescent Psychiatry = Journal de l'Academie canadienne de psychiatrie de l'enfant et de l'adolescent, 2010 Aug. : 19(3)218-26 PMCID:PMC2938756
  • Panagiotopoulos C, Ronsley R, Elbe D, Davidson J, Smith DH
    First do no harm: promoting an evidence-based approach to atypical antipsychotic use in children and adolescents.
    20467549 Journal of the Canadian Academy of Child and Adolescent Psychiatry = Journal de l'Academie canadienne de psychiatrie de l'enfant et de l'adolescent, 2010 May : 19(2)124-37 PMCID:PMC2868560
  • Panagiotopoulos C, Ronsley R, Davidson J
    Increased prevalence of obesity and glucose intolerance in youth treated with second-generation antipsychotic medications.
    19961662 Canadian journal of psychiatry. Revue canadienne de psychiatrie, 2009 Nov. : 54(11)743-9

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• Research Funding

  Grant Title	Grantor	Amount	Award Date
  National Cancer Institute (U24 CA55727)
  Childhood Cancer Survivor Study (CCSS)	Junior Faculty Award	$20,000