Nahal Lalefar, MD
Associate Clin Prof Volunteer
Pediatrics - Fresno
School of Medicine

Nahal Rose Lalefar, MD, is an associate professor of pediatrics who specializes in pediatric hematology/oncology with a focus on stem cell transplantation. She runs the bone marrow transplant long term follow up program at UCSF Benioff Children's Hospital Oakland. She also runs a hematology clinic at UCSF-Fresno.

Education & Training

Show all (5) Hide

• Fellowship UCSD Benioff Children's Hospital 06/2015
• Residency UCSF Fresno/Children's Hospital Central California 06/2011
• Medicine University of California Davis School of Medicine 06/2008
• Biotechnology Certificate California State University 06/2003
• University of California Berkeley 06/2001

Publications (18)

Top publication keywords:
Transplantation ConditioningNanostructuresCell Culture TechniquesHematopoietic Stem Cell TransplantationAntilymphocyte SerumAbataceptTransplantation, HaploidenticalGraft vs Host DiseaseLung InjuryAntigens, CD19Bronchoalveolar Lavage FluidWnt3A ProteinLymphocyte DepletionHematopoietic Stem CellsMelphalan

• Integrating pulmonary and systemic transcriptomes to characterize lung injury after pediatric hematopoietic stem cell transplant.
  JCI insight 2025 Pearce EM, Evans E, Mayday MY, Reyes G, Simon MR, Blum J, Kim H, Mu J, Shaw PJ, Rowan CM, Auletta JJ, Martin PL, Hurley C, Kreml EM, Qayed M, Abdel-Azim H, Keating AK, Cuvelier G, Hume JR, Killinger …
• High Melphalan Exposure Increases the Risk of Graft-Versus-Host Disease in Pediatric Patients Undergoing Alpha-Beta T-Cell Depleted Haploidentical Transplantation.
  Transplantation and cellular therapy 2025 Dvorak CC, Cho S, Salinas Cisneros G, Higham CS, Chu J, Winestone LE, Temple WC, Kharbanda S, Shimano KA, Avagyan S, Pauerstein PT, Huang JN, Cheng G, Lalefar N, Aguayo-Hiraldo P, Keizer RJ, Pulsipher…
• Integrating Pulmonary and Systemic Transcriptomic Profiles to Characterize Lung Injury after Pediatric Hematopoietic Stem Cell Transplant.
  medRxiv : the preprint server for health sciences 2025 Pearce EM, Evans E, Mayday MY, Reyes G, Simon MR, Blum J, Kim H, Mu J, Shaw PJ, Rowan CM, Auletta JJ, Martin PL, Hurley C, Kreml EM, Qayed M, Abdel-Azim H, Keating AK, Cuvelier GDE, Hume JR, Killinger…
• Effect of rabbit ATG PK on outcomes after TCR-αβ/CD19-depleted pediatric haploidentical HCT for hematologic malignancy.
  Blood advances 2024 Dvorak CC, Long-Boyle JR, Holbrook-Brown L, Abdel-Azim H, Bertaina A, Vatsayan A, Talano JA, Bunin N, Anderson E, Flower A, Lalefar N, Higham CS, Kapoor N, Klein O, Odinakachukwu MC, Cho S, Jacobsohn …
• Pathobiological signatures of dysbiotic lung injury in pediatric patients undergoing stem cell transplantation.
  Nature medicine 2024 Zinter MS, Dvorak CC, Mayday MY, Reyes G, Simon MR, Pearce EM, Kim H, Shaw PJ, Rowan CM, Auletta JJ, Martin PL, Godder K, Duncan CN, Lalefar NR, Kreml EM, Hume JR, Abdel-Azim H, Hurley C, Cuvelier GDE…

Show all (13 more) Hide

• The Adverse Event Landscape of Stem Cell Transplant: Evidence for AGVHD Driving Early Transplant Associated Toxicities.
  Transplantation and cellular therapy 2024 Takahashi T, Watkins B, Bratrude B, Neuberg D, Hebert K, Betz K, Yu A, Choi SW, Davis J, Duncan C, Giller R, Grimley M, Harris AC, Jacobsohn D, Lalefar N, Farhadfar N, Pulsipher MA, Shenoy S, Petrovic…
• Overlap chronic GVHD is associated with adverse survival outcomes compared to classic chronic GVHD.
  Bone marrow transplantation 2024 Gorfinkel L, Raghunandan S, Watkins B, Hebert K, Neuberg DS, Bratrude B, Betz K, Yu A, Choi SW, Davis J, Duncan C, Giller R, Grimley M, Harris AC, Jacobsohn D, Lalefar N, Farhadfar N, Pulsipher MA, …
• Fertility Potential and Gonadal Function in Survivors of Reduced-Intensity Hematopoietic Stem Cell Transplantation.
  Transplantation and cellular therapy 2024 Rotz SJ, Hamilton BK, Wei W, Ahmed I, Winston SA, Ballard S, Bernard RJ, Carpenter P, Farhadfar N, Ferraro C, Friend BD, Gloude NJ, Hayashi RJ, Hoyle K, Jenssen K, Koo J, Lee CJ, Mariano L, Nawabit R,…
• Pulmonary microbiome and transcriptome signatures reveal distinct pathobiologic states associated with mortality in two cohorts of pediatric stem cell transplant patients.
  medRxiv : the preprint server for health sciences 2023 Zinter MS, Dvorak CC, Mayday MY, Reyes G, Simon MR, Pearce EM, Kim H, Shaw PJ, Rowan CM, Auletta JJ, Martin PL, Godder K, Duncan CN, Lalefar NR, Kreml EM, Hume JR, Abdel-Azim H, Hurley C, Cuvelier GDE…
• Higher abatacept exposure after transplant decreases acute GVHD risk without increasing adverse events.
  Blood 2023 Takahashi T, Al-Kofahi M, Jaber M, Bratrude B, Betz K, Suessmuth Y, Yu A, Neuberg DS, Choi SW, Davis J, Duncan C, Giller R, Grimley M, Harris AC, Jacobsohn D, Lalefar N, Farhadfar N, Pulsipher MA, …
• Effect of Autograft CD34+ Dose on Outcome in Pediatric Patients Undergoing Autologous Hematopoietic Stem Cell Transplant for Central Nervous System Tumors.
  Transplantation and cellular therapy 2023 Knight TE, Ahn KW, Hebert KM, Atshan R, Wall DA, Chiengthong K, Rotz SJ, Fraint E, Rangarajan HG, Auletta JJ, Sharma A, Kitko CL, Hashem H, Williams KM, Wirk B, Dvorak CC, Myers KC, Pulsipher MA, …
• KIR-favorable TCR-αβ/CD19-depleted haploidentical HCT in children with ALL/AML/MDS: primary analysis of the PTCTC ONC1401 trial.
  Blood 2022 Pulsipher MA, Ahn KW, Bunin NJ, Lalefar N, Anderson E, Flower A, Cairo MS, Talano JA, Chaudhury S, Kitko CL, Duke JL, Monos D, Leung W, Dvorak CC, Abdel-Azim H
• Prospective Validation and Refinement of a Population Pharmacokinetic Model of Fludarabine in Children and Young Adults Undergoing Hematopoietic Cell Transplantation.
  Pharmaceutics 2022 Brooks JT, Solans BP, Lu Y, Kharbanda S, Dvorak CC, Lalefar N, Long S, Gupta AO, Horn B, Lamba JK, Huang L, Apsel-Winger B, Keizer RJ, Savic R, Long-Boyle J
• Abatacept for GVHD prophylaxis can reduce racial disparities by abrogating the impact of mismatching in unrelated donor stem cell transplantation.
  Blood advances 2022 Qayed M, Watkins B, Gillespie S, Bratrude B, Betz K, Choi SW, Davis J, Duncan C, Giller R, Grimley M, Harris AC, Jacobsohn D, Lalefar N, Norkin M, Farhadfar N, Pulsipher MA, Shenoy S, Petrovic A, …
• Comparison of total body irradiation versus non-total body irradiation containing regimens for de novo acute myeloid leukemia in children.
  Haematologica 2021 Dandoy CE, Davies SM, Woo Ahn K, He Y, Kolb AE, Levine J, Bo-Subait S, Abdel-Azim H, Bhatt N, Chewning J, Gadalla S, Gloude N, Hayashi R, Lalefar NR, Law J, MacMillan M, O'Brien T, Prestidge T, Sharma…
• Phase II Trial of Costimulation Blockade With Abatacept for Prevention of Acute GVHD.
  Journal of clinical oncology : official journal of the American Society of Clinical Oncology 2021 Watkins B, Qayed M, McCracken C, Bratrude B, Betz K, Suessmuth Y, Yu A, Sinclair S, Furlan S, Bosinger S, Tkachev V, Rhodes J, Tumlin AG, Narayan A, Cribbin K, Gillespie S, Gooley TA, Pasquini MC, …
• A pragmatic multi-institutional approach to understanding transplant-associated thrombotic microangiopathy after stem cell transplant.
  Blood advances 2021 Dandoy CE, Rotz S, Alonso PB, Klunk A, Desmond C, Huber J, Ingraham H, Higham C, Dvorak CC, Duncan C, Schoettler M, Lehmann L, Cancio M, Killinger J, Davila B, Phelan R, Mahadeo KM, Khazal S, Lalefar …
• Wnt3a nanodisks promote ex vivo expansion of hematopoietic stem and progenitor cells.
  Journal of nanobiotechnology 2016 Lalefar NR, Witkowski A, Simonsen JB, Ryan RO