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  1. Content type: Research

    Hypophosphatasia (HPP) is a rare, inherited, metabolic bone disease caused by deficient tissue-non-specific isoenzyme of alkaline phosphatase activity that manifests as a broad range of signs/symptoms, includi...

    Authors: Eric T. Rush, Scott Moseley and Anna Petryk

    Citation: Orphanet Journal of Rare Diseases 2019 14:201

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  2. Content type: Correction

    Professor Michael Larsen, who is a member of the ERN-EYE Ontology Study Group and co-chair of Workgroup on Retinal Rare Eye Diseases (WG1), was inadvertently omitted from the author list in the Acknowledgement...

    Authors: Panagiotis I. Sergouniotis, Emmanuel Maxime, Dorothée Leroux, Annie Olry, Rachel Thompson, Ana Rath, Peter N. Robinson and Hélène Dollfus

    Citation: Orphanet Journal of Rare Diseases 2019 14:200

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    The original article was published in Orphanet Journal of Rare Diseases 2019 14:8

  3. Content type: Correction

    The original version of this article [1] unfortunately included an error to an author’s name. Author Jordi Díaz-Manera was erroneously presented as Jorge Alberto Diaz Manera. The correct author name has been i...

    Authors: Libby Wood, Guillaume Bassez, Corinne Bleyenheuft, Craig Campbell, Louise Cossette, Aura Cecilia Jimenez-Moreno, Yi Dai, Hugh Dawkins, Jordi Díaz-Manera, Celine Dogan, Rasha el Sherif, Barbara Fossati, Caroline Graham, James Hilbert, Kristinia Kastreva, En Kimura…

    Citation: Orphanet Journal of Rare Diseases 2019 14:199

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    The original article was published in Orphanet Journal of Rare Diseases 2018 13:155

  4. Content type: Research

    Lysosomal acid lipase deficiency (LAL-D) is an autosomal recessive disorder that can present as a severe, infantile form also known as Wolman disease. We sought to determine the outcomes and clinical needs of ...

    Authors: Jennifer L. Cohen, Jessica Burfield, Karen Valdez-Gonzalez, Angela Samuels, Arianna K. Stefanatos, Marc Yudkoff, Helio Pedro and Can Ficicioglu

    Citation: Orphanet Journal of Rare Diseases 2019 14:198

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  5. Content type: Research

    Charcot-Marie-Tooth (CMT) disease is the most common inherited neuromuscular disorder characterized by wide clinical, genetic and pathomechanistic heterogeneity. Recently, the gene encoding peripheral myelin p...

    Authors: Paulius Palaima, Teodora Chamova, Sebastian Jander, Vanyo Mitev, Christine Van Broeckhoven, Ivailo Tournev, Kristien Peeters and Albena Jordanova

    Citation: Orphanet Journal of Rare Diseases 2019 14:197

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  6. Content type: Research

    Limited data exist about the clinical presentation, ideal therapy and outcomes of patients with hereditary hemorrhagic telangiectasia (HHT) who develop venous thromboembolism (VTE).

    Authors: Antoni Riera-Mestre, José María Mora-Luján, Javier Trujillo-Santos, Jorge Del Toro, José Antonio Nieto, José María Pedrajas, Raquel López-Reyes, Silvia Soler, Aitor Ballaz, Pau Cerdà and Manel Monreal

    Citation: Orphanet Journal of Rare Diseases 2019 14:196

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  7. Content type: Research

    Chromosome 22q11.2 microdeletion syndrome, a disorder caused by heterozygous loss of genetic material in chromosome region 22q11.2, has a broad range of clinical symptoms. The most common congenital anomalies ...

    Authors: M. Fernanda Rozas, Felipe Benavides, Luis León and Gabriela M. Repetto

    Citation: Orphanet Journal of Rare Diseases 2019 14:195

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  8. Content type: Research

    Achondroplasia is the most common form of disproportionate short stature and might affect not only the quality of life of the affected child but also that of the parents.

    Authors: Stefanie Witt, Beate Kolb, Janika Bloemeke, Klaus Mohnike, Monika Bullinger and Julia Quitmann

    Citation: Orphanet Journal of Rare Diseases 2019 14:194

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  9. Content type: Research

    Recently an increasing number of digital tools to aid clinical work have been published. This study’s aim was to create an algorithm which can assist physicians as a “digital expert” with the differential diag...

    Authors: Ludwig Kraus, Olympia Kremmyda, Tatiana Bremova-Ertl, Sebastià Barceló, Katharina Feil and Michael Strupp

    Citation: Orphanet Journal of Rare Diseases 2019 14:193

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  10. Content type: Research

    SAPHO syndrome is a rare disease characterized by inflammatory lesions on skin and bones. Diversified manifestation and inadequate understanding of etiology has limited its diagnosis and treatment. The co-occu...

    Authors: Yuxiu Sun, Chen Li, Mengmeng Zhu, Shen Zhang, Yihan Cao, Qiao Yang, Pengfei Zhao, Guangrui Huang and Anlong Xu

    Citation: Orphanet Journal of Rare Diseases 2019 14:192

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  11. Content type: Research

    Hereditary angioedema (HAE) is a rare but serious condition characterized by unpredictable and recurrent attacks affecting the skin and mucosa. HAE has wide-ranging impacts on the health-related quality of lif...

    Authors: Shuang Liu, Xue Wang, Yingyang Xu, Qun Xu and Yuxiang Zhi

    Citation: Orphanet Journal of Rare Diseases 2019 14:191

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  12. Content type: Research

    Wolfram Syndrome (WFS) is a rare autosomal recessive neurodegenerative disease which has a wide spectrum of manifestations including diabetes insipidus, diabetes mellitus, optic atrophy and deafness. WFS1 and CIS...

    Authors: Youjia Zhang, Lili Feng, Xiangmei Kong, Jihong Wu, Yuhong Chen and Guohong Tian

    Citation: Orphanet Journal of Rare Diseases 2019 14:190

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  13. Content type: Letter to the Editor

    Due to unknown aetiology of Thromboangiitis obliterans (TAO), its effectively treating is challenging. However, angiogenesis induction is one of the acceptable treatments for TAO patients. Recently, we have no...

    Authors: Bahare Fazeli, Shayan Keramat, Ladan Assadi and Hossein Taheri

    Citation: Orphanet Journal of Rare Diseases 2019 14:189

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  14. Content type: Research

    Wolfram syndrome is a rare disorder associated with diabetes mellitus, diabetes insipidus, optic nerve atrophy, hearing and vision loss, and neurodegeneration. Sleep complaints are common but have not been stu...

    Authors: Amy Licis, Gabriel Davis, Sarah A. Eisenstein, Heather M. Lugar and Tamara Hershey

    Citation: Orphanet Journal of Rare Diseases 2019 14:188

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  15. Content type: Research

    To evaluate and compare the progression of ciliopathy and non-ciliopathy autosomal recessive Retinitis Pigmentosa patients (arRP) by measuring the constriction of hyperautofluorescent rings in fundus autofluor...

    Authors: Vitor K. L. Takahashi, Christine L. Xu, Júlia T. Takiuti, Mary Ben L. Apatoff, Jimmy K. Duong, Vinit B. Mahajan and Stephen H. Tsang

    Citation: Orphanet Journal of Rare Diseases 2019 14:187

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  16. Content type: Research

    Pharmaceutical compounding of orphan active ingredients can offer cost-effective treatment to patients when no other drug product is available for a rare disease or during periods of drug product shortages. Ad...

    Authors: V. Vanhoorne, E. Peeters, I. Van Tongelen, K. Boussery, E. Wynendaele, B. De Spiegeleer, J. P. Remon and C. Vervaet

    Citation: Orphanet Journal of Rare Diseases 2019 14:186

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  17. Content type: Research

    Wolfram syndrome is a rare genetic, progressive, neurodegenerative disorder characterised by childhood-onset diabetes mellitus, diabetes insipidus, optic atrophy and deafness. To date, the economic burden of W...

    Authors: Sana Eljamel, Wrik Ghosh, Sachin De Stone, Annabel Griffiths, Timothy Barrett and Richard Thompson

    Citation: Orphanet Journal of Rare Diseases 2019 14:185

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  18. Content type: Letter to the Editor

    Ribonucleases (RNases) are crucial for degradation of ribosomal RNA (rRNA). RNASET2 as a subtype of RNASEs is a 256 amino acid protein, encoded by RNASET2 gene located on chromosome six. Defective RNASET2 leads t...

    Authors: Reyhaneh Kameli, Man Amanat, Zahra Rezaei, Sareh Hosseionpour, Sedigheh Nikbakht, Houman Alizadeh, Mahmoud Reza Ashrafi, Abdolmajid Omrani, Masoud Garshasbi and Ali Reza Tavasoli

    Citation: Orphanet Journal of Rare Diseases 2019 14:184

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  19. Content type: Research

    Kindler Syndrome (KS) is a rare genodermatosis characterized by skin fragility, skin atrophy, premature aging and poikiloderma. It is caused by mutations in the FERMT1 gene, which encodes kindlin-1, a protein ...

    Authors: Sara Guerrero-Aspizua, Claudio J. Conti, Maria Jose Escamez, Daniele Castiglia, Giovanna Zambruno, Leila Youssefian, Hassan Vahidnezhad, Luis Requena, Peter Itin, Gianluca Tadini, Ivelina Yordanova, Ludovic Martin, Jouni Uitto, Cristina Has and Marcela Del Rio

    Citation: Orphanet Journal of Rare Diseases 2019 14:183

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  20. Content type: Research

    Inherited Factor XIII deficiency (FXIIID) is one of the most severe and under-diagnosed rare bleeding disorders. Only 5 large deletions involving one or more exons in F13A1 have been reported, and lacking of mult...

    Authors: Siyu Ma, Changming Chen, Qian Liang, Xi Wu, Xuefeng Wang, Wenman Wu, Yan Liu and Qiulan Ding

    Citation: Orphanet Journal of Rare Diseases 2019 14:182

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  21. Content type: Research

    Phenylketonuria (PKU) is an inherited deficiency in the enzyme phenylalanine hydroxylase (PAH), which, when poorly-managed, is associated with clinical features including deficient growth, microcephaly, seizur...

    Authors: K. F. Trefz, A. C. Muntau, K. M. Kohlscheen, J. Altevers, C. Jacob, S. Braun, W. Greiner, A. Jha, M. Jain, I. Alvarez, P. Lane, C. Schröder and F. Rutsch

    Citation: Orphanet Journal of Rare Diseases 2019 14:181

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  22. Content type: Position statement

    A pattern of major and minor congenital anomalies, facial dysmorphic features, and neurodevelopmental difficulties, including cognitive and social impairments has been reported in some children exposed to sodi...

    Authors: Jill Clayton-Smith, Rebecca Bromley, John Dean, Hubert Journel, Sylvie Odent, Amanda Wood, Janet Williams, Verna Cuthbert, Latha Hackett, Neelo Aslam, Heli Malm, Gregory James, Lena Westbom, Ruth Day, Edmund Ladusans, Adam Jackson…

    Citation: Orphanet Journal of Rare Diseases 2019 14:180

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  23. Content type: Research

    The protein O-mannosyltransferase 1, encoded by the POMT1 gene, is a key enzyme in the glycosylation of α-dystroglycan. POMT1–related disorders belong to the group of dystroglycanopathies characterized by a proxi...

    Authors: Tobias Geis, Tanja Rödl, Haluk Topaloğlu, Burcu Balci-Hayta, Sophie Hinreiner, Wolfgang Müller-Felber, Benedikt Schoser, Yasmin Mehraein, Angela Hübner, Birgit Zirn, Markus Hoopmann, Heiko Reutter, David Mowat, Gerhard Schuierer, Ulrike Schara, Ute Hehr…

    Citation: Orphanet Journal of Rare Diseases 2019 14:179

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  24. Content type: Research

    Treacher Collins syndrome (TCS, OMIM 154500) is an autosomal disorder of craniofacial development with an incidence rate of 1/50,000 live births. Although TCOF1, POLR1D, and POLR1C, have been identified as the pa...

    Authors: Xinmiao Fan, Yibei Wang, Yue Fan, Huiqian Du, Nana Luo, Shuyang Zhang and Xiaowei Chen

    Citation: Orphanet Journal of Rare Diseases 2019 14:178

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  25. Content type: Research

    Although metreleptin replacement therapy was shown to improve metabolic alterations in lipodystrophic syndromes, patients’ adherence and satisfaction with treatment have never been evaluated. The 20 patients w...

    Authors: Camille Vatier, Dina Kalbasi, Marie-Christine Vantyghem, Olivier Lascols, Isabelle Jéru, Anne Daguenel, Jean-François Gautier, Marion Buyse and Corinne Vigouroux

    Citation: Orphanet Journal of Rare Diseases 2019 14:177

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  26. Content type: Position statement

    Within the 21 APEC economies alone, there are an estimated 200 million individuals living with a rare disease. As such, health data on these individuals, and hence patient registries, are vital. However, regis...

    Authors: Matthew I. Bellgard, Tom Snelling and James M. McGree

    Citation: Orphanet Journal of Rare Diseases 2019 14:176

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  27. Content type: Research

    The needs and benefits of sharing health data to advance scientific research and improve clinical benefits have been well documented in recent years, specifically in the field of rare diseases where knowledge ...

    Authors: Sandra Courbier, Rebecca Dimond and Virginie Bros-Facer

    Citation: Orphanet Journal of Rare Diseases 2019 14:175

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  28. Content type: Research

    Pantothenate kinase-associated neurodegeneration (PKAN) is an autosomal recessive neurodegenerative disorder with brain iron accumulation (NBIA).

    Authors: Randall D. Marshall, Abigail Collins, Maria L. Escolar, H. A. Jinnah, Thomas Klopstock, Michael C. Kruer, Aleksandar Videnovic, Amy Robichaux-Viehoever, Colleen Burns, Laura L. Swett, Dennis A. Revicki, Randall H. Bender and William R. Lenderking

    Citation: Orphanet Journal of Rare Diseases 2019 14:174

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  29. Content type: Research

    Castleman disease (CD) describes a group of rare and poorly understood lymphoproliferative disorders that include unicentric CD (UCD), Human Herpes Virus-8 (HHV8)-associated multicentric CD (HHV8 + MCD), and H...

    Authors: Alexander Suarez, Curran Reilly and David C. Fajgenbaum

    Citation: Orphanet Journal of Rare Diseases 2019 14:173

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  30. Content type: Research

    According to rough estimates, there are approximately 150,000 rare disease patients in Slovenia (out of a total population of 2 million). Despite the absence of accurate epidemiological data on their status, t...

    Authors: Dalibor Stanimirovic, Eva Murko, Tadej Battelino and Urh Groselj

    Citation: Orphanet Journal of Rare Diseases 2019 14:172

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  31. Content type: Review

    Hereditary hemochromatosis (HH) is a genetic disorder that causes excess absorption of iron and can lead to a variety of complications including liver cirrhosis, arthritis, abnormal skin pigmentation, cardiomy...

    Authors: Xiaomu Kong, Lingding Xie, Haiqing Zhu, Lulu Song, Xiaoyan Xing, Wenying Yang and Xiaoping Chen

    Citation: Orphanet Journal of Rare Diseases 2019 14:171

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  32. Content type: Letter to the Editor

    Identification of Fabry disease (FD) in cardiac patients has been restricted so far to patients with left ventricular hypertrophy. Conduction problems are frequent in FD and could precede other manifestations,...

    Authors: Ángela López-Sainz, Vicente Climent, Tomas Ripoll-Vera, Maria Angeles Espinosa, Roberto Barriales-Villa, Marina Navarro, Javier Limeres, Diana Domingo, David C. Kasper and Pablo Garcia-Pavia

    Citation: Orphanet Journal of Rare Diseases 2019 14:170

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  33. Content type: Position statement

    The European Reference Network for rare liver diseases (ERN RARE-LIVER) is a Europe-wide network of paediatric and adult hepatologists from expert centres in close collaboration with patient advocates from the...

    Authors: Lucas H. P. Bernts, David E. J. Jones, Marleen M. Kaatee, Ansgar W. Lohse, Christoph Schramm, Ekkehard Sturm and Joost P. H. Drenth

    Citation: Orphanet Journal of Rare Diseases 2019 14:169

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  34. Content type: Research

    Sanfilippo syndrome type B (Sanfilippo B) belongs to a group of rare lysosomal storage diseases characterized by progressive cognitive decline from an early age, acute hyperactivity, and concomitant somatic sy...

    Authors: Elsa Shapiro, Charles Marques Lourenço, Neslihan Onenli Mungan, Nicole Muschol, Cara O’Neill and Suresh Vijayaraghavan

    Citation: Orphanet Journal of Rare Diseases 2019 14:168

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  35. Content type: Research

    Wilson disease (WD) is a genetic disorder involving impaired copper metabolism, which presents with hepatic, neurological, and/or psychiatric manifestations. WD requires lifelong pharmacotherapy and treatment ...

    Authors: Wojciech Maselbas, Tomasz Litwin and Anna Czlonkowska

    Citation: Orphanet Journal of Rare Diseases 2019 14:167

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  36. Content type: Research

    No study to date has followed disease progression in patients with neurofibromatosis type 1 (NF1), including the incidence of various manifestations, using a national registry. Here we examined the state of NF...

    Authors: Takashi Yamauchi, Machi Suka, Chikako Nishigori and Hiroyuki Yanagisawa

    Citation: Orphanet Journal of Rare Diseases 2019 14:166

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  37. Content type: Research

    Kaposiform lymphangiomatosis (KLA) and kaposiform hemangioendothelioma (KHE) are rare and aggressive vascular disorders. The aim of this study was to examine the clinical features and prognosis of KLA and KHE ...

    Authors: Yi Ji, Siyuan Chen, Suhua Peng, Chunchao Xia and Li Li

    Citation: Orphanet Journal of Rare Diseases 2019 14:165

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  38. Content type: Research

    High resolution genome-wide copy number analysis, routinely used in clinical diagnosis for several years, retrieves new and extremely rare copy number variations (CNVs) that provide novel candidate genes contr...

    Authors: Fátima Lopes, Fátima Torres, Gabriela Soares, Mafalda Barbosa, João Silva, Frederico Duque, Miguel Rocha, Joaquim Sá, Guiomar Oliveira, Maria João Sá, Teresa Temudo, Susana Sousa, Carla Marques, Sofia Lopes, Catarina Gomes, Gisela Barros…

    Citation: Orphanet Journal of Rare Diseases 2019 14:164

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  39. Content type: Letter to the Editor

    The concomitant occurrence of hypertrophic cardiomyopathy and congenital heart defect in patients with RASopathies has previously been reported as associated to a worse clinical outcome, particularly closed to...

    Authors: Giulio Calcagni, Maria Cristina Digilio, Bruno Marino and Marco Tartaglia

    Citation: Orphanet Journal of Rare Diseases 2019 14:163

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  40. Content type: Research

    Hermansky-Pudlak syndrome (HPS) is a rare autosomal recessive disorder characterized by oculocutaneous albinism and platelet dysfunction and can sometimes lead to a highly aggressive form of pulmonary fibrosis...

    Authors: Ross Summer, Rachana Krishna, DeLeila Schriner, Karina Cuevas-Mora, Dominic Sales, Rachel Para, Jesse Roman, Carl Nieweld, Bernadette R. Gochuico and Freddy Romero

    Citation: Orphanet Journal of Rare Diseases 2019 14:162

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  41. Content type: Research

    Niemann-Pick disease Type C (NP-C) is a lysosomal lipid storage disorder with varying symptomatology depending on the age of onset. The diagnosis of NP-C is challenging due to heterogeneous nonspecific clinica...

    Authors: Mercedes Pineda, Katarína Juríčková, Parvaneh Karimzadeh, Miriam Kolniková, Věra Malinová, Juan Torres and Stefan A. Kolb

    Citation: Orphanet Journal of Rare Diseases 2019 14:161

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  42. Content type: Research

    There are many public health issues to resolve regarding rare diseases, including a lack of data from large-scale studies. The objective of this study was to explore fundamental data for a list of rare disease...

    Authors: Xinmiao Shi, Hui Liu, Siyan Zhan, Zhaoxia Wang, Lin Wang, Chongya Dong, Yanfang Wang, Chen Yao, Jie Ding and Yan Li

    Citation: Orphanet Journal of Rare Diseases 2019 14:160

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  43. Content type: Research

    Given the inherent complexity of rare paediatric diseases and the sensitive emotional context of the situations they create (due to the patients’ age and the tense uncertainty surrounding the progression of th...

    Authors: Beni Gómez-Zúñiga, Rafael Pulido Moyano, Modesta Pousada Fernández, Alicia García Oliva and Manuel Armayones Ruiz

    Citation: Orphanet Journal of Rare Diseases 2019 14:159

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  44. Content type: Position statement

    In 2009 the European Commission called for National action plans (NAP) to improve the care for persons with rare diseases. Germany set up a NAP in 2013 suggesting a three-tiered structure of co-operating cente...

    Authors: U. Plöckinger and A. Ziagaki

    Citation: Orphanet Journal of Rare Diseases 2019 14:158

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  45. Content type: Research

    Orphan medicines show some characteristics that hinder the evaluation of their clinical added value. The often low level of evidence available for orphan drugs, together with a high budget impact and an increm...

    Authors: Laura Guarga, Xavier Badia, Mercè Obach, Manel Fontanet, Alba Prat, Atonio Vallano, Josep Torrent and Caridad Pontes

    Citation: Orphanet Journal of Rare Diseases 2019 14:157

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  46. Content type: Review

    Familial digital arthropathy-brachydactyly (FDAB) and Thiemann disease are non-inflammatory digital arthropathies with many phenotypic similarities. Thirty-three cases of Thiemann disease have been described s...

    Authors: Nadirah Damseh, Jennifer Stimec, Alan O’Brien, Christian Marshall, Ravi Savarirayan, Ali Jawad, Ronald Laxer and Peter Kannu

    Citation: Orphanet Journal of Rare Diseases 2019 14:156

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  47. Content type: Research

    Sporadic inclusion body myositis (sIBM) is the most prevalent muscle disease in elderly people, affecting the daily activities. sIBM is progressive with unknown cause and without effective treatment. In 2015, ...

    Authors: Naoki Suzuki, Madoka Mori-Yoshimura, Satoshi Yamashita, Satoshi Nakano, Ken-ya Murata, Megumi Mori, Yukie Inamori, Naoko Matsui, En Kimura, Hirofumi Kusaka, Tomoyoshi Kondo, Hidefumi Ito, Itsuro Higuchi, Akihiro Hashiguchi, Hiroyuki Nodera, Ryuji Kaji…

    Citation: Orphanet Journal of Rare Diseases 2019 14:155

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  48. Content type: Research

    Decision makers have huge problems when attempting to attribute social value to the improvements achieved by new drugs, especially when considering the use of orphan drugs for rare diseases. We present the res...

    Authors: Julio López-Bastida, Juan Manuel Ramos-Goñi, Isaac Aranda-Reneo, Domenica Taruscio, Armando Magrelli and Panos Kanavos

    Citation: Orphanet Journal of Rare Diseases 2019 14:154

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  49. Content type: Review

    The practice of genomic medicine stands to revolutionize our approach to medical care, and to realize this goal will require discovery of the relationship between rare variation at each of the ~ 20,000 protein...

    Authors: Jennifer E. Posey

    Citation: Orphanet Journal of Rare Diseases 2019 14:153

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  50. Content type: Research

    Estimation of incidence in rare diseases is often challenging due to unspecific and incomplete coding and recording systems. Patient- and health care provider-driven data collections are held with different or...

    Authors: Kirsten König, Astrid Pechmann, Simone Thiele, Maggie C. Walter, David Schorling, Adrian Tassoni, Hanns Lochmüller, Clemens Müller-Reible and Janbernd Kirschner

    Citation: Orphanet Journal of Rare Diseases 2019 14:152

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