Karen K. Ballen

18.2k total citations · 4 hit papers
234 papers, 8.1k citations indexed

About

Karen K. Ballen is a scholar working on Hematology, Oncology and Genetics. According to data from OpenAlex, Karen K. Ballen has authored 234 papers receiving a total of 8.1k indexed citations (citations by other indexed papers that have themselves been cited), including 190 papers in Hematology, 79 papers in Oncology and 56 papers in Genetics. Recurrent topics in Karen K. Ballen's work include Hematopoietic Stem Cell Transplantation (143 papers), Acute Myeloid Leukemia Research (59 papers) and Polyomavirus and related diseases (44 papers). Karen K. Ballen is often cited by papers focused on Hematopoietic Stem Cell Transplantation (143 papers), Acute Myeloid Leukemia Research (59 papers) and Polyomavirus and related diseases (44 papers). Karen K. Ballen collaborates with scholars based in United States, Canada and United Kingdom. Karen K. Ballen's co-authors include Marcelo C. Pasquini, Mary M. Horowitz, Brenda M. Sandmaier, Corey Cutler, Sergio Giralt, Hal E. Broxmeyer, Vincent T. Ho, Éliane Gluckman, Thomas R. Spitzer and Hillard M. Lazarus and has published in prestigious journals such as New England Journal of Medicine, Journal of Clinical Oncology and Blood.

In The Last Decade

Karen K. Ballen

226 papers receiving 8.0k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Defining the Intensity of Conditioning Regimens: Working Definitions

2009 1.1k citations Karen K. Ballen et al. Biology of Blood and Marrow Transplantation profile →
Reduced-Intensity Conditioning Regimen Workshop: Defining the Dose Spectrum. Report of a Workshop Convened by the Center for International Blood and Marrow Transplant Research

2009 560 citations Karen K. Ballen et al. Biology of Blood and Marrow Transplantation profile →
Umbilical cord blood transplantation: the first 25 years and beyond

2013 436 citations Karen K. Ballen et al. Blood profile →
First- and Second-Line Systemic Treatment of Acute Graft-versus-Host Disease: Recommendations of the American Society of Blood and Marrow Transplantation

2012 423 citations John R. Wingard, Karen K. Ballen et al. Biology of Blood and Marrow Transplantation profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Karen K. Ballen United States	45	5.8k	2.1k	1.9k	1.9k	1.8k	234	8.1k
Madan Jagasia United States	43	5.1k 0.9×	1.6k 0.8×	1.3k 0.7×	1.9k 1.0×	1.6k 0.9×	251	7.2k
Enric Carreras Spain	52	5.1k 0.9×	2.2k 1.1×	1.4k 0.7×	1.6k 0.8×	1.2k 0.7×	255	8.4k
Philip L. McCarthy United States	49	4.8k 0.8×	2.4k 1.1×	1.5k 0.8×	1.6k 0.9×	1.5k 0.8×	309	8.5k
Georgia B. Vogelsang United States	54	6.9k 1.2×	1.9k 0.9×	1.8k 1.0×	3.2k 1.7×	1.4k 0.8×	141	10.4k
Mary Eapen United States	49	8.7k 1.5×	2.1k 1.0×	2.6k 1.3×	3.6k 1.9×	2.2k 1.3×	204	10.5k
John E. Levine United States	48	6.1k 1.1×	2.2k 1.0×	1.1k 0.6×	3.8k 2.0×	1.2k 0.7×	201	9.5k
Mauricette Michallet France	50	6.9k 1.2×	2.6k 1.2×	2.2k 1.2×	1.8k 0.9×	1.9k 1.1×	311	10.0k
Frédéric Baron Belgium	40	5.2k 0.9×	1.7k 0.8×	1.4k 0.7×	1.9k 1.0×	1.4k 0.8×	220	7.2k
Kirk R. Schultz Canada	45	5.0k 0.9×	1.3k 0.6×	1.1k 0.6×	1.8k 1.0×	2.6k 1.5×	214	7.4k
Claudio G. Brunstein United States	44	5.9k 1.0×	2.3k 1.1×	1.8k 0.9×	3.1k 1.6×	1.3k 0.7×	247	8.0k

Countries citing papers authored by Karen K. Ballen

Since Specialization

Citations

This map shows the geographic impact of Karen K. Ballen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Karen K. Ballen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Karen K. Ballen more than expected).

Fields of papers citing papers by Karen K. Ballen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karen K. Ballen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Karen K. Ballen. The network helps show where Karen K. Ballen may publish in the future.

Co-authorship network of co-authors of Karen K. Ballen

This figure shows the co-authorship network connecting the top 25 collaborators of Karen K. Ballen. A scholar is included among the top collaborators of Karen K. Ballen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Karen K. Ballen. Karen K. Ballen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Aubrey, Brandon J., Traci M. Blonquist, Malgorzata McMasters, et al.. (2025). A phase I clinical trial of lenalidomide combined with bortezomib for acute myeloid leukemia or myelodysplastic syndrome relapsing after allogeneic stem cell transplantation. Leukemia Research. 153. 107693–107693. 1 indexed citations

You, Wen, et al.. (2024). The impact of social vulnerability index on survival following autologous stem cell transplant for multiple myeloma. Bone Marrow Transplantation. 59(4). 459–465. 7 indexed citations

Brammer, Jonathan E., Karen K. Ballen, Lubomir Sokol, et al.. (2023). Effective treatment with the selective cytokine inhibitor BNZ-1 reveals the cytokine dependency of T-LGL leukemia. Blood. 142(15). 1271–1280. 12 indexed citations

Reed, Daniel, Gina R. Petroni, Melissa West, et al.. (2021). Prophylactic Pretransplant Ganciclovir to Reduce Cytomegalovirus Infection After Hematopoietic Stem Cell Transplantation. Hematology/Oncology and Stem Cell Therapy. 16(1). 61–69. 5 indexed citations

Isaac, Krista M., Daniel Reed, Eli S. Williams, et al.. (2021). Epidemiology of acute myeloid leukemia in Virginia: Excellent survival outcomes for patients in rural Appalachia. Cancer Reports. 4(4). e1354–e1354. 3 indexed citations

Mau, Lih‐Wen, et al.. (2021). Barriers to Access to Hematopoietic Cell Transplantation among Patients with Acute Myeloid Leukemia in Virginia. Transplantation and Cellular Therapy. 27(10). 869.e1–869.e9. 19 indexed citations

Kindwall‐Keller, Tamila L. & Karen K. Ballen. (2020). Umbilical cord blood: The promise and the uncertainty. Stem Cells Translational Medicine. 9(10). 1153–1162. 28 indexed citations

Ballen, Karen K.. (2017). Umbilical Cord Blood Transplantation: Challenges and Future Directions. Stem Cells Translational Medicine. 6(5). 1312–1315. 30 indexed citations

Karantanos, Theodoros, Haesook T. Kim, Lequn Li, et al.. (2017). Assessment of a Multi-Cytokine Profile By a Novel Biochip-Based Assay Reveals Unique Correlation Patterns with Immune Reconstitution after Cord Blood Transplantation in Adults. Blood. 130. 1980–1980. 1 indexed citations

10.

Ballen, Karen K., Frances Verter, & Joanne Kurtzberg. (2015). Umbilical cord blood donation: public or private?. Bone Marrow Transplantation. 50(10). 1271–1278. 52 indexed citations

11.

DeAngelo, Daniel J., Kristen E. Stevenson, Donna Neuberg, et al.. (2015). A Multicenter Phase II Study Using a Dose Intensified Pegylated-Asparaginase Pediatric Regimen in Adults with Untreated Acute Lymphoblastic Leukemia: A DFCI ALL Consortium Trial. Blood. 126(23). 80–80. 37 indexed citations

12.

Fathi, Amir T., Daniel J. DeAngelo, Kristen E. Stevenson, et al.. (2014). Intensified Chemotherapy for Older Patients with Acute Lymphoblastic Leukemia (ALL): A Phase II Study from the Dana Farber Cancer Institute (DFCI) ALL Consortium. Blood. 124(21). 3714–3714. 2 indexed citations

13.

Amrein, Philip C., Eyal C. Attar, Tak Takvorian, et al.. (2011). Phase II Study of Dasatinib in Relapsed or Refractory Chronic Lymphocytic Leukemia. Clinical Cancer Research. 17(9). 2977–2986. 100 indexed citations

14.

Ballen, Karen K., John Koreth, Yi‐Bin Chen, Bimalangshu R. Dey, & Thomas R. Spitzer. (2011). Selection of optimal alternative graft source: mismatched unrelated donor, umbilical cord blood, or haploidentical transplant. Blood. 119(9). 1972–1980. 106 indexed citations

15.

Ballen, Karen K.. (2007). Mindful Eating: An Interview with Dr. David Engstrom. Bariatric Nursing and Surgical Patient Care. 2(4). 237–243. 3 indexed citations

16.

Shaffer, Juanita, Jean Villard, Terry K. Means, et al.. (2007). Regulatory T-cell recovery in recipients of haploidentical nonmyeloablative hematopoietic cell transplantation with a humanized anti-CD2 mAb, MEDI-507, with or without fludarabine. Experimental Hematology. 35(7). 1140–1152. 45 indexed citations

17.

Colvin, Gerald A., Ritesh Rathore, Lawrence G. Lum, et al.. (2005). The haploimmunostorm syndrome: A distinct clinical entity seen in HLA-mismatched cellular immunotherapy. Biology of Blood and Marrow Transplantation. 11(2). 41–41. 1 indexed citations

18.

Ballen, Karen K., Julie A. Hicks, B. Dharan, et al.. (2002). Racial and ethnic composition of volunteer cord blood donors: comparison with volunteer unrelated marrow donors. Transfusion. 42(10). 1279–1284. 38 indexed citations

19.

Lasky, Larry C., Thomas A. Lane, John Miller, et al.. (2002). In utero or ex utero cord blood collection: which is better?. Transfusion. 42(10). 1261–1267. 67 indexed citations

20.

Ballen, Karen K., D. Gary Gilliland, Leslie A. Kalish, & Lawrence N. Shulman. (1994). Bone marrow dysplasia in patients with newly diagnosed acute myelogenous leukemia does not correlate with history of myelodysplasia or with remission rate and survival. Cancer. 73(2). 314–321. 11 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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