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K. Ishiyama · SciRah

Researcher profile · Semantic Scholar

K. Ishiyama

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K. Ishiyama — researcher profile on SciRah

h-index: 25
Works: 184
Citations: 4,907

Most-cited papers

Risk Factors and Predictive Scoring System For Post-Transplant Lymphoproliferative Disorder after Hematopoietic Stem Cell Transplantation.
Ayumi Fujimoto, N. Hiramoto, S. Yamasaki, Y. Inamoto +15 more
2019Biology of Blood and Marrow Transplantation63 citations Open access
Semantic Scholar
Comparison of Conditioning with Fludarabine/Busulfan and Fludarabine/Melphalan in Allogeneic Transplantation Recipients 50 Years or Older.
Koji Kawamura, S. Kako, S. Mizuta, K. Ishiyama +14 more
2017Biology of Blood and Marrow Transplantation44 citations Open access
Semantic Scholar
Prognostic Impact of Donor Source on Allogeneic Hematopoietic Stem Cell Transplantation Outcomes in Adults with Chronic Myelomonocytic Leukemia: A Nationwide Retrospective Analysis in Japan.
H. Itonaga, Kazunari Aoki, J. Aoki, T. Ishikawa +16 more
2017Biology of Blood and Marrow Transplantation30 citations Open access
Semantic Scholar
Recurrent CCND3 mutations in MLL-rearranged acute myeloid leukemia.
Hidemasa Matsuo, K. Yoshida, K. Fukumura, K. Nakatani +34 more
2018Blood Advances28 citations Open access
Semantic Scholar
Comparable survival outcomes with haploidentical stem cell transplantation and cord blood transplantation
J. Sugita, Y. Atsuta, H. Nakamae, Y. Maruyama +15 more
2022Bone Marrow Transplantation27 citations
Semantic Scholar
Mixed chimerism and secondary graft failure in allogeneic hematopoietic stem cell transplantation for aplastic anemia.
S. Kako, H. Yamazaki, K. Ohashi, Yukiyasu Ozawa +13 more
2020Biology of Blood and Marrow Transplantation25 citations Open access
Semantic Scholar
HLA class I allele-lacking leukocytes predict rare clonal evolution to MDS/AML in patients with acquired aplastic anemia.
K. Hosokawa, Hiroki Mizumaki, Takeshi Yoroidaka, Hiroyuki Maruyama +16 more
2021Blood22 citations
Semantic Scholar
Amplified EPOR/JAK2 Genes Define a Unique Subtype of Acute Erythroid Leukemia
J. Takeda, K. Yoshida, M. Nakagawa, Y. Nannya +37 more
2022Blood Cancer Discovery21 citations Open access
Semantic Scholar
Increased opportunity for prolonged survival after allogeneic hematopoietic stem cell transplantation in patients aged 60–69 years with myelodysplastic syndrome
H. Itonaga, K. Ishiyama, Kazunari Aoki, J. Aoki +14 more
2019Annals of Hematology21 citations
Semantic Scholar
Comparable survival outcomes with haploidentical stem cell transplantation and unrelated bone marrow transplantation
Y. Atsuta, J. Sugita, H. Nakamae, Y. Maruyama +14 more
2022Bone Marrow Transplantation20 citations
Semantic Scholar
Establishment of a flow cytometry assay for detecting paroxysmal nocturnal hemoglobinuria-type cells specific to patients with bone marrow failure
K. Hosokawa, C. Sugimori, K. Ishiyama, H. Takamatsu +14 more
2018Annals of Hematology17 citations
Semantic Scholar
Allogeneic hematopoietic stem cell transplantation for myelodysplastic syndrome in adolescent and young adult patients
Y. Shimomura, M. Hara, T. Konuma, H. Itonaga +16 more
2021Bone Marrow Transplantation16 citations
Semantic Scholar
Outcome and Risk Factors for Therapy-Related Myeloid Neoplasms Treated with Allogeneic Stem Cell Transplantation in Japan.
M. Kida, K. Usuki, N. Uchida, T. Fukuda +17 more
2020Biology of Blood and Marrow Transplantation16 citations Open access
Semantic Scholar
Graft-versus-MDS effect after unrelated cord blood transplantation: a retrospective analysis of 752 patients registered at the Japanese Data Center for Hematopoietic Cell Transplantation
K. Ishiyama, J. Aoki, H. Itonaga, N. Uchida +11 more
2019Blood Cancer Journal16 citations Open access
Semantic Scholar
Effect of allogeneic hematopoietic cell transplantation for patients with T-prolymphocytic leukemia: a retrospective study from the Adult Lymphoma Working Group of the Japan Society for hematopoietic cell transplantation
S. Yamasaki, H. Nitta, E. Kondo, N. Uchida +9 more
2019Annals of Hematology15 citations
Semantic Scholar
Effects of Acute and Chronic Graft-versus-myelodysplastic Syndrome on Long-term Outcomes Following Allogeneic Hematopoietic Cell Transplantation
T. Konuma, K. Ishiyama, A. Igarashi, N. Uchida +9 more
2020Clinical Cancer Research14 citations
Semantic Scholar
ABO blood type incompatibility lost the unfavorable impact on outcome in unrelated bone marrow transplantation
F. Kimura, J. Kanda, K. Ishiyama, T. Yabe +13 more
2019Bone Marrow Transplantation14 citations Open access
Semantic Scholar
Progress in survival following three decades of allogeneic hematopoietic cell transplantation for myelodysplastic syndrome: A real‐world registry study in Japan
T. Konuma, H. Itonaga, K. Ishiyama, Atsushi Hamamura +13 more
2023American journal of hematology/oncology11 citations Open access
Semantic Scholar
Haploidentical transplantation with post‐transplant cyclophosphamide versus single cord blood transplantation for myelodysplastic syndrome: A retrospective study from the Adult Myelodysplastic Syndrome Working Group of the Japanese Society for Transplantation and Cellular Therapy (JSTCT)
T. Konuma, Y. Shimomura, K. Ishiyama, Takahide Ara +15 more
2022American journal of hematology/oncology11 citations
Semantic Scholar
Frequent HLA-DR loss on hematopoietic stem progenitor cells in patients with cyclosporine-dependent aplastic anemia carrying HLA-DR15
Noriaki Tsuji, K. Hosokawa, Ryota Urushihara, Mikoto Tanabe +9 more
2022Leukemia11 citations
Semantic Scholar
Two unique HLA-A*0201 restricted peptides derived from cyclin E as immunotherapeutic targets in leukemia
Hong He, Y. Kondo, K. Ishiyama, G. Alatrash +8 more
2020Leukemia11 citations
Semantic Scholar
Outcomes of second allogeneic haematopoietic stem cell transplantation in patients with relapse of myelodysplastic syndrome
Y. Shimomura, M. Hara, T. Tachibana, K. Ohashi +12 more
2019British Journal of Haematology11 citations Open access
Semantic Scholar
Identifying the optimal conditioning intensity for stem cell transplantation in patients with myelodysplastic syndrome: a machine learning analysis
Y. Shimomura, S. Komukai, T. Kitamura, T. Sobue +16 more
2022Bone Marrow Transplantation10 citations
Semantic Scholar
Outcome of therapy‐related myelodysplastic syndrome and oligoblastic acute myeloid leukemia after allogeneic hematopoietic stem cell transplantation: A propensity score matched analysis
H. Itonaga, M. Kida, Atsushi Hamamura, N. Uchida +14 more
2022Hematological Oncology10 citations
Semantic Scholar
Myeloablative versus reduced-intensity conditioning with fludarabine/busulfan for myelodysplastic syndrome: A propensity score-matched analysis.
Shuhei Kurosawa, Y. Shimomura, H. Itonaga, Y. Najima +15 more
2022Transplantation and Cellular Therapy10 citations Open access
Semantic Scholar
Peritransplant glucocorticoids redistribute donor T cells to the bone marrow and prevent relapse after haploidentical SCT
T. Inoue, M. Koyama, K. Kaida, K. Ikegame +19 more
2021JCI Insight10 citations Open access
Semantic Scholar
Hematopoietic stem progenitor cells lacking HLA differ from those lacking GPI-anchored proteins in the hierarchical stage and sensitivity to immune attack in patients with acquired aplastic anemia
Takeshi Yoroidaka, K. Hosokawa, T. Imi, Hiroki Mizumaki +7 more
2021Leukemia10 citations Open access
Semantic Scholar
Outcome of allogeneic hematopoietic stem cell transplantation in patients with myelodysplastic/myeloproliferative neoplasms-unclassifiable: a retrospective nationwide study of the Japan Society for Hematopoietic Cell Transplantation: Allo-HSCT for patients with MDS/MPN-U.
Shuhei Kurosawa, Y. Shimomura, T. Tachibana, K. Ishiyama +11 more
2020Biology of Blood and Marrow Transplantation10 citations Open access
Semantic Scholar
Clinical impact of the loss of chromosome 7q on outcomes of patients with myelodysplastic syndromes treated with allogeneic hematopoietic stem cell transplantation
H. Itonaga, K. Ishiyama, Kazunari Aoki, J. Aoki +13 more
2019Bone Marrow Transplantation10 citations Open access
Semantic Scholar
Induction chemotherapy followed by allogeneic HCT versus upfront allogeneic HCT for advanced myelodysplastic syndrome: A propensity score matched analysis
T. Konuma, Y. Shimomura, Yukiyasu Ozawa, Y. Ueda +12 more
2018Hematological Oncology10 citations Open access
Semantic Scholar
Results from multinational phase 3 studies of ravulizumab (ALXN1210) versus eculizumab in adults with paroxysmal nocturnal hemoglobinuria: subgroup analysis of Japanese patients
K. Ishiyama, S. Nakao, K. Usuki, Y. Yonemura +13 more
2020International journal of hematology9 citations
Semantic Scholar
Prognostic impact of the conditioning intensity on outcomes after allogeneic transplantation for MDS with low blasts: a nationwide retrospective study by the adult MDS working group of the Japan Society for Transplantation and Cellular Therapy
H. Itonaga, Yasushi Miyazaki, Machiko Fujioka, J. Aoki +16 more
2024Bone Marrow Transplantation8 citations Open access
Semantic Scholar
Should a matched sibling donor still be considered the primary option for allogeneic hematopoietic cell transplantation in patients over 50 years of age with myelodysplastic syndrome?
T. Konuma, H. Itonaga, K. Ishiyama, N. Doki +14 more
2023Bone Marrow Transplantation8 citations Open access
Semantic Scholar
The clinical significance of PNH-phenotype cells accounting for < 0.01% of total granulocytes detected by the Clinical and Laboratory Standards Institute methods in patients with bone marrow failure
K. Hosokawa, K. Ishiyama, T. Ikemoto, C. Sugimori +15 more
2020Annals of Hematology8 citations
Semantic Scholar
HLA-Haploidentical Peripheral Blood Stem Cell Transplantation with Post-Transplantation Cyclophosphamide versus HLA-Matched Unrelated Donor Transplantation for Myelodysplastic Syndrome.
Yosuke Nakaya, H. Koh, T. Konuma, Y. Shimomura +15 more
2023Transplantation and Cellular Therapy7 citations Open access
Semantic Scholar
Effectiveness of hyperbaric oxygen therapy for virus-associated hemorrhagic cystitis after allogeneic hematopoietic stem cell transplantation
K. Hosokawa, G. Aoki, K. Ohata, H. Takamatsu +11 more
2021International journal of hematology7 citations Open access
Semantic Scholar
Clinical significance of low-dose total body irradiation in HLA-mismatched reduced-intensity stem cell transplantation
Shin-ichiro Fujiwara, J. Kanda, R. Tatara, H. Ogawa +13 more
2019Bone Marrow Transplantation7 citations Open access
Semantic Scholar
Outcomes of Allogeneic Hematopoietic Stem Cell Transplantation in Elderly Patients with Myeloid Malignancies over 70 years old: A Retrospective Analysis of the Japanese Nationwide Registry.
Sumiko Kobayashi, H. Itonaga, Shuhei Kurosawa, M. Yanada +21 more
2025Transplantation and Cellular Therapy6 citations Open access
Semantic Scholar
Prospective comparison of 5- and 7-day administration of azacitidine for myelodysplastic syndromes: a JALSG MDS212 trial
Yasushi Miyazaki, T. Kiguchi, Shinya Sato, K. Usuki +25 more
2022International journal of hematology6 citations
Semantic Scholar
Retrospective analysis of autologous stem cell transplantation for AL amyloidosis: A Study from the Multiple Myeloma Working Group of the Japan Society for Hematopoietic Cell Transplantation.
Shin-ichi Fuchida, Koji Kawamura, Kazutaka Sunami, N. Tsukada +13 more
2021Transplantation and Cellular Therapy6 citations Open access
Semantic Scholar
Outcomes of Allogeneic Hematopoietic Stem Cell Transplantation in Adult Patients with Myelodysplastic Syndrome Harboring Trisomy 8.
T. Konuma, Y. Miyazaki, N. Uchida, K. Ohashi +11 more
2017Biology of Blood and Marrow Transplantation6 citations Open access
Semantic Scholar
Interim analysis of post-marketing surveillance of ravulizumab for paroxysmal nocturnal hemoglobinuria in Japan
K. Usuki, T. Ikezoe, K. Ishiyama, Y. Kanda +6 more
2023International journal of hematology5 citations
Semantic Scholar
Graft-versus-host disease prophylaxis using low-dose antithymocyte globulin in peripheral blood stem cell transplantation - A matched-pair analysis.
S. Shiratori, Mio Kurata, J. Sugita, S. Ota +11 more
2021Transplantation and Cellular Therapy5 citations Open access
Semantic Scholar
Tamibarotene for the Treatment of Bronchiolitis Obliterans Associated With Chronic Graft-vs-Host Disease.
S. Watanabe, K. Ishiyama, K. Saeki, N. Ohkura +2 more
2019Chest5 citations Open access
Semantic Scholar
Impact of Early Cytomegalovirus Reactivation after Allogeneic Hematopoietic Stem Cell Transplantation on Relapse in Patients with Myelodysplastic Syndrome: A Nationwide Retrospective Study from Adult Myelodysplastic Syndrome Working Group of the JSTCT.
Tatsuya Konishi, Kensuke Matsuda, H. Itonaga, N. Doki +12 more
2024Transplantation and Cellular Therapy4 citations Open access
Semantic Scholar
A longitudinal analysis of paroxysmal nocturnal haemoglobinuria‐type cells in patients with bone marrow failure: Results of a prospective multi‐centre study in Japan
K. Ishiyama, Y. Yonemura, T. Kawaguchi, K. Hosokawa +13 more
2023British Journal of Haematology4 citations
Semantic Scholar
Familial immune‐mediated aplastic anaemia in six different families
T. Imi, Hiroki Mizumaki, K. Hosomichi, Y. Nannya +10 more
2023eJHaem4 citations Open access
Semantic Scholar
Minor GPI(-) granulocyte populations in aplastic anemia and healthy individuals derived from a few PIGA-mutated hematopoietic stem progenitor cells
Hiroki Mizumaki, Dung Cao Tran, K. Hosokawa, K. Hosomichi +8 more
2023Blood Cancer Journal4 citations Open access
Semantic Scholar
Genotype-Phenotype Relationships and Therapeutic Targets in Acute Erythroid Leukemia
J. Takeda, K. Yoshida, A. Yoda, Lee-Yung Shih +33 more
2020Blood4 citations
Semantic Scholar
Superior survival after unrelated allogeneic stem cell transplantation with low-dose ATG compared to low-dose TBI in myeloablative fludarabine/busulfan-based regimen for MDS on behalf of the adult MDS Working Group of the JSTCT.
Machiko Fujioka, H. Itonaga, H. Nakazawa, Tetsuya Nishida +14 more
2024Transplantation and Cellular Therapy3 citations Open access
Semantic Scholar

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