Works by Takeyama, Masahiro

Results: 36

Use of thromboelastography before the administration of hemostatic agents to safely taper recombinant activated factor VII in acquired hemophilia A: a report of three cases.

Published in:

Thrombosis Journal, 2022, v. 20, n. 1, p. 1, doi. 10.1186/s12959-022-00387-x

By:

Hosoi, Hiroki;
Akagi, Yuina;
Mushino, Toshiki;
Takeyama, Masahiro;
Minoura, Naoto;
Hiroi, Takayuki;
Furuya, Yoshiaki;
Morimoto, Masaya;
Murata, Shogo;
Tamura, Shinobu;
Sonoki, Takashi

Publication type:

Article

First case report of hematidrosis complicated with type 1 von Willebrand disease.

Published in:

2023

By:

Takeyama, Masahiro;
Furukawa, Shoko;
Ogiwara, Kenichi;
Nogami, Keiji

Publication type:

Case Study

Efficacy of inchinkoto for a patient with liver fibrosis complicated with transient abnormal myelopoiesis in Down's syndrome.

Published in:

Pediatrics International, 2011, v. 53, n. 6, p. 1093, doi. 10.1111/j.1442-200X.2011.03365.x

By:

Takeyama, Masahiro;
Uchida, Yumiko;
Arai, Ikuyo;
Kamamoto, Tomoyuki;
Nishikubo, Toshiya;
Kanehiro, Hiromichi;
Sado, Toshiyuki;
Kunishima, Shinji;
Takahashi, Yukihiro

Publication type:

Article

Type D congenital esophageal atresia associated with omphalomesenteric duct remnant.

Published in:

2010

By:

Takeyama, Masahiro;
Kanehiro, Hiromichi;
Nishikubo, Toshiya;
Izaki, Kazufumi;
Arai, Ikuyo;
Kamamoto, Tomoyuki;
Fujita, Yuri;
Shibata, Mari;
Uchida, Yoshiko;
Takahashi, Yukihiro

Publication type:

Letter

Coagulant potentials of emicizumab in the plasmas from infant and toddler patients with hemophilia A.

Published in:

Pediatric Blood & Cancer, 2023, v. 70, n. 10, p. 1, doi. 10.1002/pbc.30590

By:

Takeyama, Masahiro;
Matsumoto, Naoki;
Abe, Hiroto;
Harada, Suguru;
Ogiwara, Kenichi;
Furukawa, Shoko;
Shimonishi, Naruto;
Nakajima, Yuto;
Yada, Koji;
Soeda, Tetsuhiro;
Nogami, Keiji

Publication type:

Article

Heterogeneous coagulant potential of emicizumab in neonatal factor VIII–deficient plasma.

Published in:

Pediatric Blood & Cancer, 2022, v. 69, n. 7, p. 1, doi. 10.1002/pbc.29731

By:

Takeyama, Masahiro;
Furukawa, Shoko;
Onishi, Tomoko;
Noguchi‐Sasaki, Mariko;
Shima, Midori;
Nogami, Keiji

Publication type:

Article

Travelers’ vaccines and their adverse events in Nara, Japan.

Published in:

Open Medicine, 2021, v. 16, n. 1, p. 978, doi. 10.1515/med-2021-0303

By:

Taku Ogawa;
Nobuyasu Hirai;
Natsuko Imakita;
Hiroyuki Fujikura;
Akihiro Kajita;
Yuichiro Imai;
Tomoko Onishi;
Masahiro Takeyama;
Kei Kasahara

Publication type:

Article

Factor (F)VIII/VIIa enhances global haemostatic function in the co-presence of bypassing agents and FVIII among patients with haemophilia A with inhibitor.

Published in:

British Journal of Haematology, 2018, v. 181, n. 4, p. 528, doi. 10.1111/bjh.15209

By:

Nogami, Keiji;
Matsumoto, Tomoko;
Yada, Koji;
Ogiwara, Kenichi;
Furukawa, Shoko;
Shida, Yasuaki;
Takeyama, Masahiro;
Shima, Midori

Publication type:

Article

Von Willebrand factor protects the Ca2+-dependent structure of the factor VIII light chain.

Published in:

British Journal of Haematology, 2009, v. 146, n. 5, p. 531, doi. 10.1111/j.1365-2141.2009.07792.x

By:

Takeyama, Masahiro;
Nogami, Keiji;
Okuda, Masahiro;
Shima, Midori

Publication type:

Article

Protein S down-regulates factor Xase activity independent of activated protein C: specific binding of factor VIII(a) to protein S inhibits interactions with factor IXa.

Published in:

British Journal of Haematology, 2008, v. 143, n. 3, p. 409, doi. 10.1111/j.1365-2141.2008.07366.x

By:

Takeyama, Masahiro;
Nogami, Keiji;
Saenko, Evgueni L.;
Soeda, Tetsuhiro;
Nishiya, Katsumi;
Ogiwara, Kenichi;
Yoshioka, Akira;
Shima, Midori

Publication type:

Article

Late‐onset and congenital hearing loss detected using AABR due to congenital cytomegalovirus infection that improved with valganciclovir.

Published in:

Congenital Anomalies, 2023, v. 63, n. 2, p. 40, doi. 10.1111/cga.12501

By:

Morimoto, Chihiro;
Nishikubo, Toshiya;
Nishimura, Tadashi;
Onishi, Tomoko;
Takeyama, Masahiro;
Uchida, Yumiko;
Otsuka, Shintaro;
Yamanaka, Toshiaki;
Kitahara, Tadashi

Publication type:

Article

Hybrid human‐porcine factor VIII proteins partially escape the inhibitory effects of anti‐factor VIII inhibitor alloantibodies having A2 or C2 domain specificity.

Published in:

Haemophilia, 2024, v. 30, n. 1, p. 140, doi. 10.1111/hae.14911

By:

Mizumachi, Kuniyoshi;
Nakajima, Yuto;
Shimonishi, Naruto;
Furukawa, Shoko;
Ogiwara, Kenichi;
Takeyama, Masahiro;
Nogami, Keiji

Publication type:

Article

Coagulation potentials of plasma‐derived factors VIIa and X mixture (Byclot®) evaluated by global coagulation assay in patients with acquired haemophilia A.

Published in:

Haemophilia, 2024, v. 30, n. 1, p. 249, doi. 10.1111/hae.14902

By:

Takeyama, Masahiro;
Furukawa, Shoko;
Ogiwara, Kenichi;
Tamura, Shinobu;
Ohno, Hitoshi;
Higasa, Satoshi;
Shimonishi, Naruto;
Nakajima, Yuto;
Onishi, Tomoko;
Nogami, Keiji

Publication type:

Article

Screening of the protein C pathway abnormality‐related thrombophilia by using thrombomodulin‐mediated tissue factor‐triggered clot waveform analysis.

Published in:

European Journal of Haematology, 2022, v. 109, n. 1, p. 100, doi. 10.1111/ejh.13777

By:

Hashimoto, Naoki;
Ogiwara, Kenichi;
Shimonishi, Naruto;
Nakagawa, Takashi;
Nakajima, Yuto;
Furukawa, Shoko;
Takeyama, Masahiro;
Nogami, Keiji

Publication type:

Article

Factor VIII-mediated global hemostasis in the absence of von Willebrand factor.

Published in:

2007

By:

Takeyama, Masahiro;
Kasuda, Shogo;
Sakurai, Yoshihiko;
Shima, Midori;
Takeda, Tomohiro;
Omura, Shoko;
Naka, Hiroyuki;
Yoshioka, Akira

Publication type:

journal article

Relationship between the binding sites for von Willebrand factor, phospholipid, and human factor VIII C2 inhibitor alloantibodies within the factor VIII C2 domain.

Published in:

2007

By:

Nogami, Keiji;
Shima, Midori;
Giddings, John C;
Takeyama, Masahiro;
Tanaka, Ichiro;
Yoshioka, Akira

Publication type:

journal article

A survey of healthcare workers' recommendations about human papillomavirus vaccination.

Published in:

Clinical & Experimental Vaccine Research, 2022, v. 11, n. 2, p. 149, doi. 10.7774/cevr.2022.11.2.149

By:

Hitomi Nishioka;
Tomoko Onishi;
Taito Kitano;
Masahiro Takeyama;
Natsuko Imakita;
Kei Kasahara;
Ryuji Kawaguchi;
Jennifer Akiko Masaki;
Keiji Nogami

Publication type:

Article

Intra‐articular haemorrhage caused by reduced recovery of PEGylated recombinant factor VIII due to an anti‐PEG antibody developed after mRNA‐1273 SARS‐CoV‐2 vaccination in haemophilia A.

Published in:

Haemophilia, 2023, v. 29, n. 3, p. 935, doi. 10.1111/hae.14786

By:

Nakajima, Yuto;
Ogiwara, Kenichi;
Shimonishi, Naruto;
Furukawa, Shoko;
Takeyama, Masahiro;
Nogami, Keiji

Publication type:

Article

A case of moderate haemophilia A with inhibitor, carrying the p.R1800H mutation, complicated with juvenile idiopathic arthritis.

Published in:

2019

By:

Kondo, Yuka;
Shida, Yasuaki;
Ishikawa, Tomoaki;
Yada, Koji;
Takeyama, Masahiro;
Shima, Midori;
Nogami, Keiji

Publication type:

Case Study

Factor X consumption attenuates the coagulation effect of emicizumab: a case of severe hemophilia A treated with emicizumab and factor VIII-bypassing agents.

Published in:

International Journal of Hematology, 2025, v. 121, n. 1, p. 126, doi. 10.1007/s12185-024-03860-7

By:

Mizumachi, Kuniyoshi;
Ogiwara, Kenichi;
Nakajima, Yuto;
Shimonishi, Naruto;
Furukawa, Shoko;
Takeyama, Masahiro;
Nogami, Keiji

Publication type:

Article

The in vitro cross-reactivity and blood coagulation potential of recombinant porcine factor VIII in Japanese patients with acquired hemophilia A.

Published in:

International Journal of Hematology, 2025, v. 121, n. 1, p. 45, doi. 10.1007/s12185-024-03854-5

By:

Takeyama, Masahiro;
Sasai, Kana;
Miyaguchi, Yasuo;
Ogiwara, Kenichi;
Furukawa, Shoko;
Shimonishi, Naruto;
Nakajima, Yuto;
Ueda, Hitoshi;
Nogami, Keiji

Publication type:

Article

Longitudinal dynamic changes in factor VIII inhibitor titers in patients with hemophilia A and inhibitors receiving emicizumab prophylaxis.

Published in:

International Journal of Hematology, 2023, v. 118, n. 6, p. 690, doi. 10.1007/s12185-023-03667-y

By:

Shimonishi, Naruto;
Sasai, Kana;
Ogiwara, Kenichi;
Furukawa, Shoko;
Nakajima, Yuto;
Mizumachi, Kuniyoshi;
Yada, Koji;
Takeyama, Masahiro;
Shima, Midori;
Mizuno, Narumi;
Nogami, Keiji

Publication type:

Article

High levels of factor VIII activity in patients with acquired hemophilia A in remission are associated with unusually low coagulation potentials.

Published in:

International Journal of Hematology, 2023, v. 117, n. 5, p. 669, doi. 10.1007/s12185-022-03528-0

By:

Shibasaki, Fumitaka;
Takeyama, Masahiro;
Ogiwara, Kenichi;
Furukawa, Shoko;
Nakajima, Yuto;
Shimonishi, Naruto;
Nogami, Keiji

Publication type:

Article

Two pediatric cases of severe hemophilia A in which emicizumab prophylaxis failed to prevent traumatic extra-articular hemorrhage.

Published in:

International Journal of Hematology, 2023, v. 117, n. 4, p. 607, doi. 10.1007/s12185-022-03490-x

By:

Yamada, Yuya;
Nakajima, Yuto;
Ohara, Ayaka;
Wakita, Emi;
Shimizu, Kazuki;
Shimonishi, Naruto;
Furukawa, Shoko;
Ogiwara, Kenichi;
Takeyama, Masahiro;
Nogami, Keiji

Publication type:

Article

Activated partial thromboplastin time-based clot waveform analysis enables measurement of very low levels of factor IX activity in patients with severe hemophilia B.

Published in:

2022

By:

Nishiyama, Atsuko;
Ogiwara, Kenichi;
Mizumachi, Kuniyoshi;
Hashimoto, Naoki;
Takeyama, Masahiro;
Nogami, Keiji

Publication type:

journal article

The balance of comprehensive coagulation and fibrinolytic potential is disrupted in patients with moderate to severe COVID-19.

Published in:

International Journal of Hematology, 2022, v. 115, n. 6, p. 826, doi. 10.1007/s12185-022-03308-w

By:

Onishi, Tomoko;
Shimonishi, Naruto;
Takeyama, Masahiro;
Furukawa, Shoko;
Ogiwara, Kenichi;
Nakajima, Yuto;
Kasahara, Kei;
Nishio, Kenji;
Yoshimoto, Kiyomi;
Inoue, Satoki;
Kawaguchi, Masahiko;
Fukushima, Hidetada;
Saito, Yoshihiko;
Yoshiji, Hitoshi;
Muro, Shigeo;
Tsuruya, Kazuhiko;
Okada, Sadanori;
Sugie, Kazuma;
Kawaguchi, Ryuji;
Nishikubo, Toshiya

Publication type:

Article

Comparisons of global coagulation potential and bleeding episodes in emicizumab-treated hemophilia A patients and mild hemophilia A patients.

Published in:

International Journal of Hematology, 2022, v. 115, n. 4, p. 489, doi. 10.1007/s12185-021-03276-7

By:

Nakajima, Yuto;
Mizumachi, Kuniyoshi;
Shimonishi, Naruto;
Furukawa, Shoko;
Yada, Koji;
Ogiwara, Kenichi;
Takeyama, Masahiro;
Shima, Midori;
Nogami, Keiji

Publication type:

Article

Comprehensive blood coagulation potential in patients with acquired hemophilia A: retrospective analyses of plasma samples obtained from nationwide centers across Japan.

Published in:

International Journal of Hematology, 2022, v. 115, n. 2, p. 163, doi. 10.1007/s12185-021-03249-w

By:

Takeyama, Masahiro;
Sasai, Kana;
Matsumoto, Tomoko;
Furukawa, Shoko;
Ogiwara, Kenichi;
Yada, Koji;
Onishi, Tomoko;
Shima, Midori;
Nogami, Keiji

Publication type:

Article

Plasma-derived factors VIIa and X mixtures (Byclot®) significantly improve impairment of coagulant potential ex vivo in plasmas from acquired hemophilia A patients.

Published in:

2020

By:

Ochi, Satoshi;
Takeyama, Masahiro;
Shima, Midori;
Nogami, Keiji

Publication type:

journal article

Evaluation of clinical severity in patients with type 2N von Willebrand disease using microchip-based flow-chamber system.

Published in:

2020

By:

Nakajima, Yuto;
Nogami, Keiji;
Yada, Koji;
Kawamura, Takeshi;
Ogiwara, Kenichi;
Furukawa, Shoko;
Shimonishi, Naruto;
Takeyama, Masahiro;
Shima, Midori

Publication type:

journal article

Global coagulation function assessed by rotational thromboelastometry predicts coagulation-steady state in individual hemophilia A patients receiving emicizumab prophylaxis.

Published in:

2019

By:

Yada, Koji;
Nogami, Keiji;
Ogiwara, Kenichi;
Shida, Yasuaki;
Furukawa, Shoko;
Yaoi, Hiroaki;
Takeyama, Masahiro;
Kasai, Ryu;
Shima, Midori

Publication type:

journal article

Continuous infusions of B domain-truncated recombinant factor VIII, turoctocog alfa, for orthopedic surgery in severe hemophilia A: first case report.

Published in:

2018

By:

Takeyama, Masahiro;
Nogami, Keiji;
Kobayashi, Ryohei;
Ogiwara, Kenichi;
Taniguchi, Akira;
Nakanishi, Yasuaki;
Inagaki, Yusuke;
Tanaka, Yasuhito;
Shima, Midori

Publication type:

journal article

First report of real-time monitoring of coagulation function potential and IgG subtype of anti-FVIII autoantibodies in a child with acquired hemophilia A associated with streptococcal infection and amoxicillin.

Published in:

2018

By:

Takeyama, Masahiro;
Nogami, Keiji;
Kajimoto, Takahiro;
Ogiwara, Kenichi;
Matsumoto, Tomoko;
Shima, Midori

Publication type:

journal article

Selective factor VIII and V inactivation by iminodiacetate ion exchange resin through metal ion adsorption.

Published in:

British Journal of Haematology, 2008, v. 142, n. 6, p. 962, doi. 10.1111/j.1365-2141.2008.07289.x

By:

Takeyama, Masahiro;
Nogami, Keiji;
Okuda, Masahiro;
Sakurai, Yoshihiko;
Matsumoto, Tomoko;
Tanaka, Ichiro;
Yoshioka, Akira;
Shima, Midori

Publication type:

Article

Identification of a thrombin-interactive site within the FVIII A2 domain that is responsible for the cleavage at Arg372.

Published in:

British Journal of Haematology, 2008, v. 140, n. 4, p. 433, doi. 10.1111/j.1365-2141.2007.06935.x

By:

Nogami, Keiji;
Saenko, Evgueni L.;
Takeyama, Masahiro;
Giddings, John C.;
Yoshioka, Akira;
Shima, Midori

Publication type:

Article

Questionnaire survey on maternal pertussis vaccination for pregnant women and mothers in Nara prefecture, Japan.

Published in:

Human Vaccines & Immunotherapeutics, 2020, v. 16, n. 2, p. 335, doi. 10.1080/21645515.2019.1651000

By:

Kitano, Taito;
Onishi, Tomoko;
Takeyama, Masahiro;
Shima, Midori

Publication type:

Article

Works by Takeyama, Masahiro

Use of thromboelastography before the administration of hemostatic agents to safely taper recombinant activated factor VII in acquired hemophilia A: a report of three cases.

First case report of hematidrosis complicated with type 1 von Willebrand disease.

Efficacy of inchinkoto for a patient with liver fibrosis complicated with transient abnormal myelopoiesis in Down's syndrome.

Type D congenital esophageal atresia associated with omphalomesenteric duct remnant.

Coagulant potentials of emicizumab in the plasmas from infant and toddler patients with hemophilia A.

Heterogeneous coagulant potential of emicizumab in neonatal factor VIII–deficient plasma.

Travelers’ vaccines and their adverse events in Nara, Japan.

Factor (F)VIII/VIIa enhances global haemostatic function in the co-presence of bypassing agents and FVIII among patients with haemophilia A with inhibitor.

Von Willebrand factor protects the Ca<sup>2+</sup>-dependent structure of the factor VIII light chain.

Protein S down-regulates factor Xase activity independent of activated protein C: specific binding of factor VIII(a) to protein S inhibits interactions with factor IXa.

Late‐onset and congenital hearing loss detected using AABR due to congenital cytomegalovirus infection that improved with valganciclovir.

Hybrid human‐porcine factor VIII proteins partially escape the inhibitory effects of anti‐factor VIII inhibitor alloantibodies having A2 or C2 domain specificity.

Coagulation potentials of plasma‐derived factors VIIa and X mixture (Byclot<sup>®</sup>) evaluated by global coagulation assay in patients with acquired haemophilia A.

Screening of the protein C pathway abnormality‐related thrombophilia by using thrombomodulin‐mediated tissue factor‐triggered clot waveform analysis.

Factor VIII-mediated global hemostasis in the absence of von Willebrand factor.

Relationship between the binding sites for von Willebrand factor, phospholipid, and human factor VIII C2 inhibitor alloantibodies within the factor VIII C2 domain.

A survey of healthcare workers' recommendations about human papillomavirus vaccination.

Intra‐articular haemorrhage caused by reduced recovery of PEGylated recombinant factor VIII due to an anti‐PEG antibody developed after mRNA‐1273 SARS‐CoV‐2 vaccination in haemophilia A.

A case of moderate haemophilia A with inhibitor, carrying the p.R1800H mutation, complicated with juvenile idiopathic arthritis.

Factor X consumption attenuates the coagulation effect of emicizumab: a case of severe hemophilia A treated with emicizumab and factor VIII-bypassing agents.

The in vitro cross-reactivity and blood coagulation potential of recombinant porcine factor VIII in Japanese patients with acquired hemophilia A.

Longitudinal dynamic changes in factor VIII inhibitor titers in patients with hemophilia A and inhibitors receiving emicizumab prophylaxis.

High levels of factor VIII activity in patients with acquired hemophilia A in remission are associated with unusually low coagulation potentials.

Two pediatric cases of severe hemophilia A in which emicizumab prophylaxis failed to prevent traumatic extra-articular hemorrhage.

Activated partial thromboplastin time-based clot waveform analysis enables measurement of very low levels of factor IX activity in patients with severe hemophilia B.

The balance of comprehensive coagulation and fibrinolytic potential is disrupted in patients with moderate to severe COVID-19.

Comparisons of global coagulation potential and bleeding episodes in emicizumab-treated hemophilia A patients and mild hemophilia A patients.

Comprehensive blood coagulation potential in patients with acquired hemophilia A: retrospective analyses of plasma samples obtained from nationwide centers across Japan.

Plasma-derived factors VIIa and X mixtures (Byclot<sup>®</sup>) significantly improve impairment of coagulant potential ex vivo in plasmas from acquired hemophilia A patients.

Evaluation of clinical severity in patients with type 2N von Willebrand disease using microchip-based flow-chamber system.

Global coagulation function assessed by rotational thromboelastometry predicts coagulation-steady state in individual hemophilia A patients receiving emicizumab prophylaxis.

Continuous infusions of B domain-truncated recombinant factor VIII, turoctocog alfa, for orthopedic surgery in severe hemophilia A: first case report.

First report of real-time monitoring of coagulation function potential and IgG subtype of anti-FVIII autoantibodies in a child with acquired hemophilia A associated with streptococcal infection and amoxicillin.

Selective factor VIII and V inactivation by iminodiacetate ion exchange resin through metal ion adsorption.

Identification of a thrombin-interactive site within the FVIII A2 domain that is responsible for the cleavage at Arg<sup>372</sup>.

Questionnaire survey on maternal pertussis vaccination for pregnant women and mothers in Nara prefecture, Japan.