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ATRT Investigators -


Trisha P. Larkin, MD

St. Joseph’s Children’s Hospital [Tampa, FL]

Dr. Trisha Larkin is dual-board certified in Pediatrics and Pediatric Hematology-Oncology with an expertise in Pediatric Neuro-Oncology. She serves as the Director of Pediatric Neuro-Oncology at St. Joseph’s Children’s Hospital in Tampa, FL. Dr. Larkin’s career is dedicated towards expanding clinical growth, research, and clinical trial offerings for children battling central nervous system tumors. Dr. Larkin earned her medical degree from Florida International University in Miami, followed by a Master of Business Administration with a focus in healthcare. She completed her postdoctoral pediatric training at Nicklaus Children’s Hospital, followed by a fellowship in pediatric hematology-oncology and bone marrow transplantation at the University of Florida in Gainesville. She then completed an advanced fellowship in Pediatric Neuro-oncology at St. Jude Children’s Research Hospital in Memphis, Tennessee where she worked on a team of world-renowned physicians and researchers to care for children diagnosed with complex brain and spinal tumors.

Dr. Larkin is passionate about discovering innovative strategies to improve the care of children with brain tumors. Her research interests include early-phase clinical trials and drug development. Dr. Larkin has presented her research in pediatric central nervous system tumors at national and international meetings across the states as well as in Karuizawa, Japan and Hamburg, Germany. Dr. Larkin has published numerous peer-reviewed articles in prestigious journals such as the Journal of Clinical Oncologyand Neuro-Oncology. She serves as associate editor for Neuro-Oncology on the MedNet, an interactive platform for physicians around the world to gather insight about treating complex oncologic diagnoses. She is a member of the American Society of Pediatric Hematology-Oncology, Society for Neuro-Oncology, Children’s Oncology Group, Society for Pediatric Research, American Society of Clinical Oncology, and American Academy of Pediatrics.


Ziad Khatib, MD

Nicklaus Children’s Hospital [Miami, FL]

Dr. Khatib received his medical degree from American University of Beirut, Lebanon. He completed his residency at Jackson Memorial Hospital in Miami and a fellowship in hematology-oncology at St. Jude Children’s Research Hospital in Memphis, Tennessee. Dr. Khatib is a fellow of the American Academy of Pediatrics and a member of the American Society of Hematology, American Society of Clinical Oncology, American Society of Pediatric Hematology Oncology, and the Society of Neuro-Oncology.

Dr. Khatib is the Director of NeuroOncology at Nicklaus Children’s Hospital- Miami where he has been practicing for over 24 years. He is a clinical associate professor at Florida International University Herbert Wertheim College of Medicine.

He participates in conducting research studies involving children with brain tumors and testing new approaches for cancer treatment.

Areas of Specialty:

  1. Brain tumors in children

  2. Retinoblastoma

  3. Vascular and lymphatic malformations

  4. Stroke and thrombosis

  5. Cancer genetics

  6. Complimentary and integrative approaches to brain tumors

PI on Clinical Trial:   NCT 02684071

Not Recruiting Patients


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