Publications by authors named "Claudio Len"

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Trends and challenges in research on integrative health practices and pediatric palliative care: a bibliometric approach.
Aline Maria de Oliveira Rocha, Flávia H Santos, João Roberto Bissoto, Claudio Arnaldo Len, Simone Brasil de Oliveira Iglesias

Front Pediatr· December 2025

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A real-life study of juvenile idiopathic arthritis from two Brazilian referral centers for pediatric rheumatology.
Ana María Loroño Terrazas, Raúl Gutiérrez Suárez, Reinan Tavares Campos, Claudio Arnaldo Len, Nadia Emi Aikawa

Adv Rheumatol· June 2025

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Physical activity and quality of life of children and adolescents with juvenile idiopathic arthritis, juvenile systemic lupus erythematosus and juvenile dermatomyositis during the COVID-19 pandemic.
Renata Soares, Fabiana de Carvalho Silva, Jade Dib Fernandez, Melissa Mariti Fraga, Maria Teresa Terreri, Claudio Arnaldo Len

J Pediatr (Rio J)· April 2025

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Longitudinal assessment of disease activity and muscle strength in juvenile dermatomyositis: a multicentre registry study.
Darcisio Hortelan Antonio, Beatriz O L Carneiro, Taciana A P Fernandes, Adriana M Elias, Ana Julia Pantoja de Moraes, Claudio A Len

Clin Exp Rheumatol· February 2025

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Acupuncture for pediatric chronic pain: a systematic review.
João Roberto Bissoto, José Udevanier Rebouças da Silva Júnior, Gabrielle Pignoli Alvares, Flávia H Santos, Claudio Arnaldo Len

J Pediatr (Rio J)· October 2024

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Enrichment of Rare Variants of Hemophagocytic Lymphohistiocytosis Genes in Systemic Juvenile Idiopathic Arthritis.
Mariana Correia Marques, Danielle Rubin, Emily G Shuldiner, Mallika Datta, Elizabeth Schmitz, Claudio A Len

Arthritis Rheumatol· October 2024

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Enrichment of Rare Variants of Hemophagocytic Lymphohistiocytosis Genes in Systemic Juvenile Idiopathic Arthritis.
Mariana Correia Marques, Danielle Rubin, Emily Shuldiner, Mallika Datta, Elizabeth Schmitz, Claudio Arnaldo Len

medRxiv· March 2024

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Factors related to the readiness of Brazilian chronic pediatric patients to transition to care in adult clinics.
Fernanda Souza Angotti Carrara, Daniela Gerent Petry Piotto, Ilana Izidoro Silva, Claudio Arnaldo Len, Gleice Clemente Souza Russo

J Pediatr (Rio J)· May 2023

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Adherence to treatment of children and adolescents recently diagnosed with auto-immune Rheumatic Diseases during the COVID-19 pandemic.
Ilana Izidoro da Silva, Vanessa Bugni Miotto E Silva, Fernanda Souza Angotti Carrara, Daniela Gerent Petry Piotto, Claudio Arnaldo Len

J Pediatr (Rio J)· May 2023

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Risk factors for mortality in 1528 Brazilian childhood-onset systemic lupus erythematosus patients.
Ana P Sakamoto, Clovis A Silva, Ana C Pita, Vitor C Trindade, Aline G Islabao, Claudio A Len

Lupus· May 2023

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HEALTH-RELATED QUALITY OF LIFE IN ADOLESCENTS AND YOUNG ADULTS WITH INFLAMMATORY BOWEL DISEASE IS ASSOCIATED WITH REDUCTION IN SCHOOL AND WORK PRODUCTIVITY RATHER THAN PHYSICAL IMPAIRMENT: A MULTIDISCIPLINARY STUDY.
Jane Oba, Carlos W Sobrado, Aderson O M C Damião, Matheus Azevedo, Alexandre Carlos, Claudio A Len

Arq Gastroenterol· December 2021

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Duration of inactive disease while off disease-modifying anti-rheumatic drugs seems to influence flare rates in juvenile idiopathic arthritis: an observational retrospective study.
Patricia Patricia Aires, Maria Teresa R A Terreri, Vanessa B M Silva, Manuele Martins Vieira, Cláudio Arnaldo Len

Acta Reumatol Port· November 2021

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Anthropometric Evaluation and Assessment of Food Intake of Parents of Pediatric Patients with Chronic Rheumatic Diseases.
Lucila Pereira, Ágatha Nogueira Previdelli, Rosana Gomes de Torres Rossi, Wellington Douglas Rodrigues, Fernando Luiz Affonso Fonseca, Claudio Arnaldo Len

Ann Nutr Metab· October 2021

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A clinical prediction model for estimating the risk of developing uveitis in patients with juvenile idiopathic arthritis.
Joeri W van Straalen, Gabriella Giancane, Yasmine Amazrhar, Nikolay Tzaribachev, Calin Lazar, Claudio A Len

Rheumatology (Oxford)· June 2021

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Biomarkers of lipid metabolism in patients with juvenile idiopathic arthritis: relationship with disease subtype and inflammatory activity.
Wellington Douglas Rocha Rodrigues, Roseli Oselka Saccardo Sarni, Fernando Luiz Affonso Fonseca, Annelyse Araújo, Claudio Arnaldo Len

Pediatr Rheumatol Online J· May 2021

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Adequate tetanus but poor diphtheria and pertussis response to a Tdap booster in adolescents with juvenile systemic lupus erythematosus.
Octávio Ab Peracchi, Aline Alencar Mf Nicácio, Juliana Yamada, Claudio Arnaldo Len, Maria Isabel de Moraes-Pinto

Lupus· February 2021

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Evaluation of the measurement properties of the Brazilian version of two quality-of-life questionnaires in food allergy - for children and their parents.
Raquel Bicudo Mendonça, Dirceu Solé, Audrey DunnGalvin, Claudio Arnaldo Len, Roseli Oselka Saccardo Sarni

J Pediatr (Rio J)· January 2021

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Sleep and restless legs syndrome in female adolescents with idiopathic musculoskeletal pain.
Rita Aparecida Ribeiro Amorim, Gustavo A Moreira, Flavia Heloisa Santos, Maria Teresa Terreri, Juliana Molina, Claudio Arnaldo Len

J Pediatr (Rio J)· January 2021

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VIRTUAL LEARNING ENVIRONMENT IN PEDIATRIC RHEUMATOLOGY FOR PEDIATRIC RESIDENTS.
Ana Luiza Garcia Cunha, Maria Teresa Terreri, Claudio Arnaldo Len

Rev Paul Pediatr· November 2020

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Adverse drug reactions associated with treatment in patients with chronic rheumatic diseases in childhood: a retrospective real life review of a single center cohort.
Manar Amanouil Said, Liana Soido Teixeira E Silva, Aline Maria de Oliveira Rocha, Gustavo Guimarães Barreto Alves, Daniela Gerent Petry Piotto, Claudio Arnaldo Len

Adv Rheumatol· November 2020

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Yogic meditation improves objective and subjective sleep quality of healthcare professionals.
Priscilla Caetano Guerra, Danilo F Santaella, Vania D'Almeida, Rogerio Santos-Silva, Sergio Tufik, Claudio Arnaldo Len

Complement Ther Clin Pract· August 2020

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Lipid profile of pediatric patients with chronic rheumatic diseases - a retrospective analysis.
Wellington Douglas Rocha Rodrigues, Roseli Oselka Saccardo Sarni, Thais Tobaruela Ortiz Abad, Simone Guerra Lopes da Silva, Fabiola Isabel Suano de Souza, Claudio Arnaldo Len

Rev Assoc Med Bras (1992)· August 2020

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Validation and adaptation of a German screening tool to identify patients at risk of juvenile idiopathic arthritis.
Tristan Scheer, Jens Klotsche, Claudio A Len, Ivan Foeldvari

Rheumatol Int· April 2020

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Prevalence of juvenile idiopathic arthritis in schoolchildren from the city of São Paulo, the largest city in Latin America.
Vânia Schinzel, Simone Guerra Lopes da Silva, Maria Teresa Terreri, Claudio Arnaldo Len

Adv Rheumatol· July 2019

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The profile and clinical outcomes of patients with renal involvement due to IgA vasculitis: is azathioprine a good option for treatment?
Vânia Schinzel, Jade Dib Fernandez, Gleice Clemente, Melissa Mariti Fraga, Maria Cristina Andrade, Claudio Arnaldo Len

Adv Rheumatol· May 2019

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