Ampaiwan Chuansumrit

ORCID: 0000-0003-1230-1591
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About
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Research Areas
  • Hemophilia Treatment and Research
  • Hemoglobinopathies and Related Disorders
  • Blood Coagulation and Thrombosis Mechanisms
  • Platelet Disorders and Treatments
  • Iron Metabolism and Disorders
  • Mosquito-borne diseases and control
  • Blood groups and transfusion
  • Viral Infections and Vectors
  • Myeloproliferative Neoplasms: Diagnosis and Treatment
  • Hematopoietic Stem Cell Transplantation
  • Malaria Research and Control
  • Blood donation and transfusion practices
  • Hemostasis and retained surgical items
  • Venous Thromboembolism Diagnosis and Management
  • Chronic Myeloid Leukemia Treatments
  • Cancer-related gene regulation
  • Erythrocyte Function and Pathophysiology
  • Prenatal Screening and Diagnostics
  • Viral Infections and Outbreaks Research
  • Neonatal Health and Biochemistry
  • Acute Lymphoblastic Leukemia research
  • Immunodeficiency and Autoimmune Disorders
  • Coagulation, Bradykinin, Polyphosphates, and Angioedema
  • Blood disorders and treatments
  • Childhood Cancer Survivors' Quality of Life

Ramathibodi Hospital
2016-2025

Mahidol University
2016-2025

Pediatrics and Genetics
2006-2024

Humanitas University
2020

Istituti di Ricovero e Cura a Carattere Scientifico
2020

National Specialized Hospital for Active Treatment of Hematologic Diseases
2020

Queen Mary University of London
2020

Association of Directors of Environment, Economy, Planning and Transport
2010

GTx (United States)
2003-2010

The Royal Free Hospital
2008

Emicizumab is a subcutaneously administered humanized, bispecific, monoclonal antibody approved for prophylaxis in people with hemophilia A.

10.1002/rth2.12670 article EN cc-by-nc-nd Research and Practice in Thrombosis and Haemostasis 2022-02-01

Thalassemia/hemoglobinopathy is a hereditary disease that causes chronic anemia and increased erythropoiesis. Consequently, an expansion of bone marrow spaces may contribute to osteopenia/osteoporosis. However, the pathogenesis changes not yet known. We, therefore, carried out study on histomorphometry biochemical hormonal profiles in children adolescents with suboptimally treated β-thalassemia hope gaining some new insight into cellular structural alterations thalassemic bone. Seventeen...

10.1210/jc.2002-021548 article EN The Journal of Clinical Endocrinology & Metabolism 2003-08-01

Abstract β‐Thalassemia intermediate patients show a remarkable clinical heterogeneity. We examined the phenotypic diversity of 950 β‐thalassemia/Hb E in an attempt to construct system for classifying disease severity. A novel scoring based on six independent parameters, hemoglobin level, age at presentation, receiving first blood transfusion, requirement spleen size, and growth development, was able separate into three distinctive severity categories: mild, moderate, severe courses. This...

10.1002/ajh.21130 article EN American Journal of Hematology 2008-01-10

The leakage of plasma during febrile episodes in dengue-infected patients is a severe condition leading to dengue shock syndrome. Alteration cytokines/chemokines suspected be major cause endothelial cell damage these patients. study was designed demonstrate the alteration cytokines and chemokines episodes.The blood samples from 164 with fever, hemorrhagic fever other illnesses were collected daily day hospitalization until discharge also convalescent stage. levels determined using sandwich...

10.1097/inf.0b013e31826fd456 article EN The Pediatric Infectious Disease Journal 2012-08-25

Because of the very short half-life factor VII, prophylaxis in VII deficiency is considered a difficult endeavor. The clinical efficacy and safety prophylactic regimens, indications for their use, were evaluated VII-deficient patients Seven Treatment Evaluation Registry. Prophylaxis data (38 courses) analyzed from 34 with severe (10 years. No thrombosis or new inhibitors occurred. In conclusion, subset needed because bleeding. Recombinant activated schedules based on “frequent”...

10.3324/haematol.2012.074039 article EN cc-by-nc Haematologica 2013-02-12

Patients with severe thalassemia commonly have a survival that is significantly shorter than of the general population. Allogeneic hematopoietic stem cell transplantation (allo-SCT) only established treatment potentially curative, but it limited by availability donors and medical condition patient. To expand donor pool to include haploidentical related donors, we introduced program consisting pharmacologic pretransplant immune suppression phase (PTIS) 2 courses dexamethasone fludarabine,...

10.1016/j.bbmt.2020.01.002 article EN cc-by-nc-nd Biology of Blood and Marrow Transplantation 2020-01-11

Background: To evaluate the use of dengue nonstructural protein 1 (NS1) antigen for early diagnosis during febrile stage in patients with infection. Methods: A total 445 sera obtained from 165 [dengue fever (DF): 42, hemorrhagic (DHF) grade I: 50, II: 63, III and IV: 10] 8 other illnesses 5–15 years age, were assayed NS1 antigen, dengue-specific Ig M G antibodies. Results: The positive rates among either DF or DHF was 100% (7 7) on day 2, 92.3% (12 13) 3, 76.9% (40 52) 4, 56.5% (61 108) 5...

10.1097/inf.0b013e318150666d article EN The Pediatric Infectious Disease Journal 2008-01-01
Donna Coffin Emma Gouider Barbara A. Konkle Cédric Hermans Catherine Lambert and 95 more Saliou Diop Emily Ayoub Ellia Tootoonchian Toong Youttananukorn Pamela Dakik Ticiana Pereira Alfonso Iorio Glenn F. Pierce M. Abdel Mohsen T A Adeyemo Gyujin Sim Nidal Karim Al-Rahal C. Alexis Tauqeer Ali Omolade Augustina Awodu B. Aysarieva Aznida Firzah Abdul Aziz N. Barsallo Abhijit Biswas Allison Blair Jan Blatný Munira Borhany D. Castillo Cristina Catarino Ampaiwan Chuansumrit Minette Coetzee Auwalu Ibrahim Saliou Diop A. Djenouni A. El Ekiaby M. El Khorassani Kathy Fawcett A. Ganieva Sukanya Govindan Dalha Haliru Gwarzo Stifanos Hailemariam P. Harper Seyed Hassan Tonekaboni Mona Hassan Cédric Hermans F Hernández A. Imran Jacob John Bijan Keikhaei Taiwo R. Kotila Chong Kin Liam Wulandewi Marhaeni Dora Mbanya P. Mekjarusgul N. Meknassi Dejan Micić Yohannie Mlombe R. Motusheva Deogratias Munube Azusa Nagao S. Najmi Vijayakumar Narayana Pillai Тимур Нарбеков Desy Aswira Nasution Rungrote Natesirinilkul L. Nchimba M. N’dogomo Daniela Neme Philippe Nguyên HM. Nguyen Mi-Sa Nguyen Thi RK. Nigam Festus Njuguna Theresa Ukamaka Nwagha Asharf Obeida Shirley Owusu‐Ofori J. Palascak Gaia Pellegrini Chepsy C Philip CL. Ping Bishesh Sharma Poudyal Golam Rabbani OA. Rakoto Alson H. Razali Theera Ruchutrakul Arlette Ruiz‐Sàez Supawee Saengboon N Salhi Mohamed Satti Tao Guan Syed Imran Ali Shah T. Shikuku Nance Yuan N. Sidarthan T. Siew Looi N. Songthawee Darintr Sosothikul Pacharapan Surapolchai S.Kep Ns. Elly Suryani NA. Syakira

Analysis of outcomes patients enrolled in the World Bleeding Disorders Registry (WBDR). 87 Hemophilia Treatment Centers around world participating WBDR. Data on 10,276 people with hemophilia demonstrate wide discrepancies care globally. Care provided low-income countries lags behind high-income by up to 40 years.

10.1016/j.rpth.2023.102264 article EN cc-by Research and Practice in Thrombosis and Haemostasis 2023-11-01

Accessibility to iron chelators including deferoxamine and deferasirox remains obscured in many developing countries. To provide an alternative, the government pharmaceutical organization of Thailand (GPO) manufactured deferiprone which has similar bioequivalent standard product. Seventy-three pediatric patients with severe β thalassemias, age range 3.2-19 years, were recruited a 1-year multicenter prospective, single arm, open label, dose escalating Phase III study determine its clinical...

10.1002/ajh.23386 article EN American Journal of Hematology 2013-01-07

Improving outcomes among class 3 thalassemia patients receiving allogeneic hematopoietic stem cell transplantations (HSCT) remains a challenge. Before HSCT, who were ≥ 7 years old and had liver size 5 cm constitute what the Center for International Blood Marrow Transplant Research defined as very high–risk subset of conventional high-risk group (here referred to HR). We performed HSCT in 98 with related unrelated donor cells. Seventy-six age < 10 received more myeloablative conditioning...

10.1016/j.bbmt.2014.07.016 article EN cc-by-nc-nd Biology of Blood and Marrow Transplantation 2014-07-23

A paucity of data exists on the incidence, diagnosis and treatment bleeding in women with inherited factor VII (FVII) deficiency.Here we report results a comprehensive analysis from two international registries patients FVII deficiency, depicting clinical picture this disorder describing any gender-related differences.A fully compatible, deficiency (International Registry Factor IRF7; Seven Treatment Evaluation Registry, STER) was performed.In our cohort (N = 449; 215 male, 234 female),...

10.1111/hae.12978 article EN Haemophilia 2016-06-24

Recombinant activated factor VII (rFVIIa) was given to three children with acute bleeding resulting from liver failure and disseminated intravascular coagulation. Cases I II (girls aged 3 years 6 years, respectively) were diagnosed Dengue hemorrhagic fever prolonged shock. Case III, a boy 9 months, underwent left lobe hepatectomy for hepatoblastoma, during which 60% of his removed. This case complicated by myoglobinuria, renal impairment early All patients exhibited active bleeding. received...

10.1097/00001721-200004001-00019 article EN Blood Coagulation & Fibrinolysis 2000-04-01

A 14-year-old Thai boy presented because of a history headache, mandibular swelling, and facial nerve palsy. microorganism identified as Pythium insidiosum was cultured from the abscesses. Despite treatment with amphotericin B, iodides, ketoconazole, surgery, infection progressed. Magnetic resonance imaging (MRI) magnetic angiography (MRA) neck revealed an aneurysm in external carotid artery. The removed. MRA performed later showed stenosis internal Immunotherapy recommended last resort. One...

10.1086/515043 article EN Clinical Infectious Diseases 1998-12-01

Thalassaemia/haemoglobinopathy is a hereditary disease causing increased erythropoiesis and expansion of the bone marrow cavity. As consequence, there reduction in trabecular tissue resulting osteopenia/osteoporosis. The present study was performed to assess mineral density (BMD) children adolescents with beta-thalassaemia determine biochemical hormonal changes that may affect BMD.Forty-eight were divided into two groups, transfusion-dependent (TD) (n = 16) transfusion-independent (TI) 32)....

10.1046/j.1365-2265.2003.01707.x article EN Clinical Endocrinology 2003-02-28

Objectives We evaluated the efficacy and safety of recombinant activated factor VII (rFVIIa) in children aged < 18 years old with grade II or III Dengue hemorrhagic fever (DHF) who required blood component therapy for controlling bleeding episodes. Study design Patients were randomized to rFVIIa group placebo a ratio 2: 1. (100 μg/kg body weight) was given by intravenous bolus injection. When not effectively controlled, second dose μg/kg) 30 min after first dose. Results Nine 16 patients...

10.1097/01.mbc.0000186837.78432.2f article EN Blood Coagulation & Fibrinolysis 2005-11-01

Background: Children with dengue hemorrhagic fever (DHF) are at risk to develop shock syndrome (DSS) for which neither marker has been demonstrated. Objective: The study was designed investigate the markers of vascular endothelial cell injuries and dysfunction that might be used as early predictors subsequent manifestation DSS. Methods: blood samples from 111 patients fever, DHF other febrile illness (OFI) were collected daily day admission until discharge convalescent stage. sample...

10.1097/01.inf.0000237918.85330.b9 article EN The Pediatric Infectious Disease Journal 2006-09-22

Recently published reports indicate that the outcome of unrelated donor transplantations in patients with leukemia is currently comparable to transplantation from identical family donors. We investigated possibly favorable outcomes related and children severe thalassemia. reviewed 49 consecutive thalassemia who underwent allogeneic stem cell related-donor (n=28) unrelated-donor (n=21) cells between September 1992 May 2005 at Faculty Medicine, Ramathibodi Hospital, Mahidol University...

10.1016/j.bbmt.2006.02.008 article EN cc-by-nc-nd Biology of Blood and Marrow Transplantation 2006-06-01
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