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Koichi Kamei · SciRah

Researcher profile · Semantic Scholar

Koichi Kamei

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Koichi Kamei — researcher profile on SciRah

h-index: 33
Works: 179
Citations: 3,580

Most-cited papers

Both the rituximab dose and maintenance immunosuppression in steroid-dependent/frequently-relapsing nephrotic syndrome have important effects on outcomes.
E. Chan, H. Webb, Ellen L. M. Yu, G. Ghiggeri +13 more
2019Kidney International105 citations Open access
Semantic Scholar
The Japanese Clinical Practice Guideline for acute kidney injury 2016
Kent Doi, Osamu Nishida, T. Shigematsu, Tomohito Sadahiro +20 more
2018Journal of Intensive Care97 citations Open access
Semantic Scholar
Long-Term Efficacy and Safety of Repeated Rituximab to Maintain Remission in Idiopathic Childhood Nephrotic Syndrome: An International Study
E. Chan, Ellen L. M. Yu, A. Angeletti, Zainab Arslan +27 more
2022Journal of the American Society of Nephrology82 citations Open access
Semantic Scholar
Detection of Splicing Abnormalities and Genotype-Phenotype Correlation in X-linked Alport Syndrome.
T. Horinouchi, K. Nozu, Tomohiko Yamamura, Shogo Minamikawa +26 more
2018Journal of the American Society of Nephrology63 citations Open access
Semantic Scholar
Strong Association of the HLA-DR/DQ Locus with Childhood Steroid-Sensitive Nephrotic Syndrome in the Japanese Population.
Xiaoyuan Jia, T. Horinouchi, Hitomi Yuki, Akemi Shono +25 more
2018Journal of the American Society of Nephrology61 citations Open access
Semantic Scholar
Common risk variants in NPHS1 and TNFSF15 are associated with childhood steroid-sensitive nephrotic syndrome
Xiaoyuan Jia, Tomohiko Yamamura, R. Gbadegesin, M. McNulty +213 more
2020Kidney International57 citations Open access
Semantic Scholar
Rituximab therapy for refractory steroid-resistant nephrotic syndrome in children
Koichi Kamei, K. Ishikura, Mayumi Sako, S. Ito +2 more
2018Pediatric nephrology (Berlin, West)55 citations
Semantic Scholar
Clinical characteristics of HNF1B-related disorders in a Japanese population
C. Nagano, N. Morisada, K. Nozu, Koichi Kamei +25 more
2019Clinical and Experimental Nephrology50 citations Open access
Semantic Scholar
Mycophenolate Mofetil after Rituximab for Childhood-Onset Complicated Frequently-Relapsing or Steroid-Dependent Nephrotic Syndrome
K. Iijima, Mayumi Sako, M. Oba, Seiji Tanaka +30 more
2021Journal of the American Society of Nephrology45 citations Open access
Semantic Scholar
Rituximab in steroid-sensitive nephrotic syndrome: lessons from clinical trials
K. Iijima, Mayumi Sako, Koichi Kamei, K. Nozu
2017Pediatric nephrology (Berlin, West)41 citations Open access
Semantic Scholar
Prospective Study of Live Attenuated Vaccines for Patients with Nephrotic Syndrome Receiving Immunosuppressive Agents
Koichi Kamei, I. Miyairi, K. Ishikura, M. Ogura +8 more
2018Jornal de Pediatria39 citations
Semantic Scholar
Incidence and risk factors of rituximab-associated hypogammaglobulinemia in patients with complicated nephrotic syndrome
Yuta Inoki, Koichi Kamei, K. Nishi, Mai Sato +2 more
2021Pediatric nephrology (Berlin, West)33 citations
Semantic Scholar
Association between the clinical presentation of congenital anomalies of the kidney and urinary tract (CAKUT) and gene mutations: an analysis of 66 patients at a single institution
Sho Ishiwa, Mai Sato, N. Morisada, K. Nishi +10 more
2019Pediatric nephrology (Berlin, West)33 citations
Semantic Scholar
A multicenter retrospective study of calcineurin inhibitors in nephrotic syndrome secondary to podocyte gene variants.
Georgia Malakasioti, D. Iancu, A. Milovanova, A. Tsygin +34 more
2023Kidney International32 citations Open access
Semantic Scholar
Clinical and genetic variability of PAX2-related disorder in the Japanese population
Rini Rossanti, N. Morisada, K. Nozu, Koichi Kamei +11 more
2020Journal of Human Genetics32 citations Open access
Semantic Scholar
Live attenuated vaccines in patients receiving immunosuppressive agents
Koichi Kamei
2023Pediatric nephrology (Berlin, West)27 citations Open access
Semantic Scholar
Relapse of nephrotic syndrome during post-rituximab peripheral blood B-lymphocyte depletion
Mai Sato, Koichi Kamei, M. Ogura, K. Ishikura +1 more
2018Clinical and Experimental Nephrology27 citations
Semantic Scholar
Lisinopril versus lisinopril and losartan for mild childhood IgA nephropathy: a randomized controlled trial (JSKDC01 study)
Yuko Shima, K. Nakanishi, Mayumi Sako, M. Saito-Oba +14 more
2018Pediatric nephrology (Berlin, West)26 citations
Semantic Scholar
Infusion reactions associated with rituximab treatment for childhood-onset complicated nephrotic syndrome
Koichi Kamei, M. Ogura, Mai Sato, S. Ito +1 more
2018Pediatric nephrology (Berlin, West)24 citations
Semantic Scholar
Successful rituximab treatment for severe rapidly progressive interstitial lung disease with anti-MDA5 antibody-positive juvenile dermatomyositis: a case report and literature review
Kenta Nishi, M. Ogura, Naotaka Tamai, Naofumi Gima +4 more
2022Pediatric Rheumatology Online Journal23 citations Open access
Semantic Scholar
Detailed clinical manifestations at onset and prognosis of neonatal-onset Denys–Drash syndrome and congenital nephrotic syndrome of the Finnish type
K. Nishi, T. Inoguchi, Koichi Kamei, R. Hamada +10 more
2019Clinical and Experimental Nephrology22 citations
Semantic Scholar
Genotype-Phenotype Correlation in WT1 Exon 8 to 9 Missense Variants
C. Nagano, Yutaka Takaoka, Koichi Kamei, R. Hamada +16 more
2021Kidney International Reports21 citations Open access
Semantic Scholar
Study protocol: multicenter double-blind, randomized, placebo-controlled trial of rituximab for the treatment of childhood-onset early-stage uncomplicated frequently relapsing or steroid-dependent nephrotic syndrome (JSKDC10 trial)
C. Nagano, Mayumi Sako, Koichi Kamei, K. Ishikura +5 more
2019BMC Nephrology17 citations Open access
Semantic Scholar
A girl with MIRAGE syndrome who developed steroid-resistant nephrotic syndrome: a case report
Sho Ishiwa, Koichi Kamei, Kanako Tanase-Nakao, S. Shibata +5 more
2020BMC Nephrology16 citations Open access
Semantic Scholar
Necessity of performing voiding cystourethrography for children with unilateral multicystic dysplastic kidney
Kazuna Yamamoto, Koichi Kamei, Mai Sato, M. Ogura +5 more
2018Pediatric nephrology (Berlin, West)16 citations
Semantic Scholar
Clinical, Pathological, and Genetic Characteristics in Patients with Focal Segmental Glomerulosclerosis
C. Nagano, S. Hara, N. Yoshikawa, A. Takeda +24 more
2022Kidney36015 citations Open access
Semantic Scholar
Prospective study of live attenuated vaccines for patients receiving immunosuppressive agents
Koichi Kamei, I. Miyairi, K. Ishikura, M. Ogura +5 more
2020PLoS ONE14 citations Open access
Semantic Scholar
The association between hypogammaglobulinemia severity and infection risk in rituximab-treated patients with childhood-onset idiopathic nephrotic syndrome
Yuta Inoki, K. Nishi, Mai Sato, M. Ogura +1 more
2022Pediatric nephrology (Berlin, West)13 citations
Semantic Scholar
Ultrasonographic reference values and a simple yet practical formula for estimating average kidney length in Japanese children
N. Fujita, O. Uemura, Ryoko Harada, Chieko Matsumura +7 more
2022Clinical and Experimental Nephrology13 citations Open access
Semantic Scholar
Influenza virus vaccination in children with nephrotic syndrome: insignificant risk of relapse
Shingo Ishimori, Koichi Kamei, T. Ando, T. Yoshikawa +7 more
2020Clinical and Experimental Nephrology12 citations Open access
Semantic Scholar
A novel truncating PAX2 mutation in a boy with renal coloboma syndrome with focal segmental glomerulosclerosis causing rapid progression to end-stage kidney disease
Ken Saida, Koichi Kamei, N. Morisada, M. Ogura +5 more
2019CEN Case Reports11 citations Open access
Semantic Scholar
The Japanese clinical practice guideline for acute kidney injury 2016
Kent Doi, Osamu Nishida, Takashi Shigematsu, Tomohito Sadahiro +19 more
2018Clinical and Experimental Nephrology11 citations Open access
Semantic Scholar
Early predictive factors for progression to kidney failure in infants with severe congenital anomalies of the kidney and urinary tract
K. Nishi, O. Uemura, Ryoko Harada, Masaki Yamamoto +15 more
2022Pediatric nephrology (Berlin, West)10 citations
Semantic Scholar
Glucocorticoid discontinuation in pediatric-onset systemic lupus erythematosus: a single-center experience
K. Nishi, M. Ogura, Sho Ishiwa, T. Kanamori +7 more
2022Pediatric nephrology (Berlin, West)10 citations
Semantic Scholar
Urine alpha 1-microglobulin-to-creatinine ratio and beta 2-microglobulin-to-creatinine ratio for detecting CAKUT with kidney dysfunction in children
R. Hamada, Kaori Kikunaga, Tetsuji Kaneko, S. Okamoto +8 more
2022Pediatric nephrology (Berlin, West)10 citations
Semantic Scholar
Successful endoscopic surgical treatment of pleuroperitoneal communication in two infant cases
Teizaburo Mori, Akihiro Fujino, Masataka Takahashi, R. Furugane +8 more
2021Surgery Case Reports10 citations Open access
Semantic Scholar
Identification of novel OCRL isoforms associated with phenotypic differences between Dent disease-2 and Lowe syndrome.
N. Sakakibara, T. Ijuin, T. Horinouchi, Tomohiko Yamamura +26 more
2021Nephrology, Dialysis and Transplantation9 citations
Semantic Scholar
Association between the time of initial relapse and subsequent relapses in patients with childhood-onset idiopathic nephrotic syndrome
Yuta Inoki, K. Nishi, Kei Osaka, Tomoya Kaneda +4 more
2024Pediatric nephrology (Berlin, West)8 citations Open access
Semantic Scholar
Recovery from rituximab-associated persistent hypogammaglobulinaemia in children with nephrotic syndrome.
D. Hirano, Takuya Fujimaru, Mayumi Sako, Seiji Tanaka +9 more
2024Nephrology, Dialysis and Transplantation8 citations
Semantic Scholar
Long-term Outcomes, Including Fetal and Neonatal Prognosis, of Renal Oligohydramnios: A Retrospective Study over 22 Years.
K. Nishi, K. Ozawa, Koichi Kamei, Mai Sato +8 more
2024Jornal de Pediatria8 citations Open access
Semantic Scholar
Rituximab in combination with cyclosporine and steroid pulse therapy for childhood-onset multidrug-resistant nephrotic syndrome: a multicenter single-arm clinical trial (JSKDC11 trial)
K. Nozu, Mayumi Sako, Seiji Tanaka, Yuji Kano +18 more
2023Clinical and Experimental Nephrology8 citations Open access
Semantic Scholar
Immunogenicity and safety of SARS-CoV-2 mRNA vaccine in patients with nephrotic syndrome receiving immunosuppressive agents
Koichi Kamei, M. Ogura, Mai Sato, K. Nishi +4 more
2022Pediatric nephrology (Berlin, West)8 citations Open access
Semantic Scholar
Risk factors for post-nephrectomy hypotension in pediatric patients
K. Nishi, Koichi Kamei, M. Ogura, Mai Sato +7 more
2021Pediatric nephrology (Berlin, West)8 citations
Semantic Scholar
Risk factors for early dialysate leakage around the exit site after catheter placement in pediatric peritoneal dialysis: a single-center experience
Taishi Nada, Koichi Kamei, Mai Sato, K. Nishi +2 more
2023Clinical and Experimental Nephrology7 citations
Semantic Scholar
Azathioprine-induced Agranulocytosis and Severe Alopecia After Kidney Transplantation Associated With a NUDT15 Polymorphism: A Case Report.
Ken Saida, Koichi Kamei, M. Ogura, S. Matsumura +4 more
2018Transplantation Proceedings7 citations
Semantic Scholar
Treatment of hemolytic uremic syndrome related to Bordetella pertussis infection —is plasma exchange or eculizumab use necessary?
Ken Saida, M. Ogura, Y. Kano, Shingo Ishimori +5 more
2018BMC Nephrology7 citations Open access
Semantic Scholar
Diagnostic strategy for inherited hypomagnesemia
T. Horinouchi, K. Nozu, Naohiro Kamiyoshi, Koichi Kamei +12 more
2017Clinical and Experimental Nephrology7 citations
Semantic Scholar
Expert consensus on vaccination in patients with inflammatory bowel disease in Japan
T. Ishige, Toshiaki Shimizu, Kenji Watanabe, K. Arai +28 more
2023Journal of gastroenterology6 citations Open access
Semantic Scholar
Live attenuated vaccines under immunosuppressive agents or biological agents: survey and clinical data from Japan
Koichi Kamei, I. Miyairi, K. Shoji, K. Arai +5 more
2021European Journal of Pediatrics6 citations
Semantic Scholar
Favorable kidney function in pediatric liver transplant recipients: results of a single-center cohort study.
Mai Sato, Tetsuji Kaneko, M. Ogura, Koichi Kamei +5 more
2019Transplantation6 citations Open access
Semantic Scholar

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K. Ishikura×27
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K. Ishikura — researcher profile on SciRah
M. Ogura×23
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S. Ito×22
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K. Nozu×20
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Mai Sato — researcher profile on SciRah

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Tomohiko Yamamura×10

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