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  1. Article ; Online: Growing evidence of the safety of JAK inhibitors in patients with rheumatoid arthritis.

    Harigai, Masayoshi

    Rheumatology (Oxford, England)

    2019  Volume 58, Issue Suppl 1, Page(s) i34–i42

    Abstract: To facitinib and baricitinib are two of the currently available Janus kinase (JAK) inhibitors for the treatment of patients with RA. Randomized controlled trials have shown that these JAK inhibitors are as efficacious as biological DMARDs. Safety ... ...

    Abstract To facitinib and baricitinib are two of the currently available Janus kinase (JAK) inhibitors for the treatment of patients with RA. Randomized controlled trials have shown that these JAK inhibitors are as efficacious as biological DMARDs. Safety profiles of these JAK inhibitors in randomized controlled trials and their long-term extension studies have been demonstrated; however, real world evidence remains to be established to bridge the gap between randomized controlled trials and rheumatology clinics. Fundamentally, no difference in the screening, prevention, and monitoring of infections between JAK inhibitors and biological DMARDs exists. However, increased risk of herpes zoster is probably common to all JAK inhibitors. No indication of increased risk for malignancy in patients with RA treated with JAK inhibitors has been reported. To evaluate risks of relatively rare serious adverse events such as thromboembolic events, gastrointestinal perforation, and interstitial lung disease in clinical settings, accumulation of cases with these events are needed. Continuous pharmacovigilance activity is absolutely warranted to establish the safety of JAK inhibitors in patients with RA and other rheumatic diseases.
    MeSH term(s) Arthritis, Rheumatoid/drug therapy ; Cardiovascular Diseases/epidemiology ; Gastrointestinal Diseases/epidemiology ; Herpes Zoster/epidemiology ; Humans ; Infections/epidemiology ; Intestinal Perforation/epidemiology ; Janus Kinase Inhibitors/therapeutic use ; Lung Diseases, Interstitial/epidemiology ; Neoplasms/epidemiology ; Pharmacovigilance ; Risk ; Risk Assessment ; Venous Thromboembolism/epidemiology
    Chemical Substances Janus Kinase Inhibitors
    Language English
    Publishing date 2019-02-26
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 1464822-2
    ISSN 1462-0332 ; 1462-0324
    ISSN (online) 1462-0332
    ISSN 1462-0324
    DOI 10.1093/rheumatology/key287
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Upregulation of PD-1 and its ligands and expansion of T peripheral helper cells in the nephritic kidneys of lupus-prone BXSB-

    Moriyama, Rina / Katsumata, Yasuhiro / Okamoto, Yuko / Harigai, Masayoshi

    Lupus

    2024  , Page(s) 9612033241247908

    Abstract: Objective: This study aimed to investigate the role of the programmed cell death protein 1 (PD-1) pathway and T peripheral helper (Tph) cells in the pathogenesis of lupus nephritis using lupus-prone BXSB-: Methods: Male BXSB-: Results: Nephritis ... ...

    Abstract Objective: This study aimed to investigate the role of the programmed cell death protein 1 (PD-1) pathway and T peripheral helper (Tph) cells in the pathogenesis of lupus nephritis using lupus-prone BXSB-
    Methods: Male BXSB-
    Results: Nephritis spontaneously developed in 16-week-old but not in 8-week-old BXSB-
    Conclusion: The results of this study suggest that kidney-infiltrating PD-1
    Language English
    Publishing date 2024-04-15
    Publishing country England
    Document type Journal Article
    ZDB-ID 1154407-7
    ISSN 1477-0962 ; 0961-2033
    ISSN (online) 1477-0962
    ISSN 0961-2033
    DOI 10.1177/09612033241247908
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Lymphoproliferative disorders in patients with rheumatoid arthritis in the era of widespread use of methotrexate: A review of the literature and current perspective.

    Harigai, Masayoshi

    Modern rheumatology

    2018  Volume 28, Issue 1, Page(s) 1–8

    Abstract: Lymphoproliferative disorders (LPD) in patients receiving methotrexate (MTX) have gained strong attention. In this article, I reviewed the basic and clinical findings of this issue. Patients with RA possess a high risk of lymphoma, but epidemiological ... ...

    Abstract Lymphoproliferative disorders (LPD) in patients receiving methotrexate (MTX) have gained strong attention. In this article, I reviewed the basic and clinical findings of this issue. Patients with RA possess a high risk of lymphoma, but epidemiological evidence showing an association between the use of MTX and lymphoma is still limited. Rapid regression of LPD after stopping MTX in patients with RA strongly suggests that there is a causative relationship. Genetic predisposition, accumulated inflammation, impaired generation of Epstein-Barr virus (EBV)-specific cytotoxic T lymphocytes, effects of MTX on the regulation of EBV genes, and low hypermethylation of apoptosis-related genes are relevant to the development of LPD and rapid regression after cessation of MTX. The clinical and histological characteristics of LPD in RA patients who are treated with MTX have been established, and recent data indicate that initial cessation of MTX and watchful waiting to observe an increase in peripheral lymphocyte counts have a therapeutic value. In advanced cases, various chemotherapy regimens are used, and consultation with hematologists is recommended to select the optimal treatment. There is no consensus on the treatment of RA after development of LPD, and long-term observation is necessary to investigate the safety of disease-modifying antirheumatic drugs in these patients.
    MeSH term(s) Antirheumatic Agents/adverse effects ; Antirheumatic Agents/therapeutic use ; Arthritis, Rheumatoid/drug therapy ; Arthritis, Rheumatoid/epidemiology ; Humans ; Lymphoproliferative Disorders/epidemiology ; Lymphoproliferative Disorders/etiology ; Methotrexate/adverse effects ; Methotrexate/therapeutic use
    Chemical Substances Antirheumatic Agents ; Methotrexate (YL5FZ2Y5U1)
    Language English
    Publishing date 2018-01
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 2078157-X
    ISSN 1439-7609 ; 1439-7595
    ISSN (online) 1439-7609
    ISSN 1439-7595
    DOI 10.1080/14397595.2017.1352477
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Can genetic studies predict treatment response in antineutrophil cytoplasmic antibody-associated vasculitis?

    Harigai, Masayoshi

    International journal of rheumatic diseases

    2018  Volume 22 Suppl 1, Page(s) 95–99

    MeSH term(s) Animals ; Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/diagnosis ; Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/drug therapy ; Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/genetics ; Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/immunology ; Genetic Markers ; Genetic Predisposition to Disease ; Humans ; Immunosuppressive Agents/therapeutic use ; Pharmacogenomic Variants ; Phenotype ; Recurrence ; Remission Induction ; Risk Factors ; Treatment Outcome
    Chemical Substances Genetic Markers ; Immunosuppressive Agents
    Language English
    Publishing date 2018-04-19
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 2426924-4
    ISSN 1756-185X ; 1756-1841
    ISSN (online) 1756-185X
    ISSN 1756-1841
    DOI 10.1111/1756-185X.13294
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Avacopan, a selective C5a receptor antagonist, for anti-neutrophil cytoplasmic antibody-associated vasculitis.

    Harigai, Masayoshi / Takada, Hideto

    Modern rheumatology

    2022  Volume 32, Issue 3, Page(s) 475–483

    Abstract: Avacopan, an orally administered C5a receptor antagonist, has been approved for the treatment of microscopic polyangiitis (MPA) and granulomatosis with polyangiitis (GPA) in Japan and the USA. In ADVOCATE Phase III clinical trial, patients with active ... ...

    Abstract Avacopan, an orally administered C5a receptor antagonist, has been approved for the treatment of microscopic polyangiitis (MPA) and granulomatosis with polyangiitis (GPA) in Japan and the USA. In ADVOCATE Phase III clinical trial, patients with active MPA or GPA received either 30 mg avacopan twice daily or prednisone on a tapering schedule in combination with rituximab or cyclophosphamide (followed by azathioprine). The trial met its two primary endpoints: avacopan showed non-inferiority to prednisone for achieving remission at Week 26 (avacopan, 72.3%; prednisone, 70.1%; p < .001 for non-inferiority and p = .24 for superiority) and superiority for maintaining remission at Week 52 (65.7% for avacopan, 54.9% prednisone, p < .001 for non-inferiority and p = .007 for superiority). Of several key secondary endpoints tested, the glucocorticoid toxicity index (GTI)-cumulative worsening score and GTI-aggregate improvement score were significantly lower in the avacopan group than in the prednisone group at both Weeks 26 and 52. Serious adverse events related and unrelated to the worsening vasculitis were reported at 10.2% and 37.3% in the avacopan group and at 14.0% and 39.0% in the prednisone group, respectively. Avacopan has set the stage for the semi-glucocorticoid-free or glucocorticoid-free treatment of MPA and GPA.
    MeSH term(s) Aniline Compounds ; Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis/drug therapy ; Glucocorticoids ; Granulomatosis with Polyangiitis/drug therapy ; Humans ; Immunosuppressive Agents/adverse effects ; Microscopic Polyangiitis/drug therapy ; Nipecotic Acids ; Prednisone/therapeutic use ; Receptor, Anaphylatoxin C5a/therapeutic use ; Remission Induction ; Rituximab/therapeutic use
    Chemical Substances Aniline Compounds ; Glucocorticoids ; Immunosuppressive Agents ; Nipecotic Acids ; Receptor, Anaphylatoxin C5a ; Rituximab (4F4X42SYQ6) ; avacopan (O880NM097T) ; Prednisone (VB0R961HZT)
    Language English
    Publishing date 2022-02-18
    Publishing country England
    Document type Journal Article
    ZDB-ID 2078157-X
    ISSN 1439-7609 ; 1439-7595
    ISSN (online) 1439-7609
    ISSN 1439-7595
    DOI 10.1093/mr/roab104
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Prevalence of high and low serum alkaline phosphatase levels and the associated factors in patients with rheumatoid arthritis: results from the IORRA cohort study.

    Furuya, Takefumi / Inoue, Eisuke / Tanaka, Eiichi / Yamanaka, Hisashi / Harigai, Masayoshi

    Modern rheumatology

    2024  

    Language English
    Publishing date 2024-03-13
    Publishing country England
    Document type Journal Article
    ZDB-ID 2078157-X
    ISSN 1439-7609 ; 1439-7595
    ISSN (online) 1439-7609
    ISSN 1439-7595
    DOI 10.1093/mr/roae025
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Interleukin-18 as a crucial cytokine in chronic arthritic systemic juvenile idiopathic arthritis.

    Miyamae, Takako / Tani, Yumi / Inoue, Eisuke / Tomohiro, Kawabe / Harigai, Masayoshi

    International journal of rheumatic diseases

    2024  Volume 27, Issue 3, Page(s) e15105

    MeSH term(s) Humans ; Interleukin-18 ; Cytokines ; Arthritis, Juvenile/diagnosis ; Arthritis, Juvenile/drug therapy
    Chemical Substances Interleukin-18 ; Cytokines
    Language English
    Publishing date 2024-03-18
    Publishing country England
    Document type Letter
    ZDB-ID 2426924-4
    ISSN 1756-185X ; 1756-1841
    ISSN (online) 1756-185X
    ISSN 1756-1841
    DOI 10.1111/1756-185X.15105
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Comment on: Impact of interstitial lung disease on clinical remission of rheumatoid arthritis: results from the IORRA cohort: Reply.

    Sugano, Eri / Tanaka, Eiichi / Inoue, Eisuke / Harigai, Masayoshi

    Rheumatology (Oxford, England)

    2023  Volume 63, Issue 4, Page(s) e134–e135

    MeSH term(s) Humans ; Arthritis, Rheumatoid/complications ; Arthritis, Rheumatoid/drug therapy ; Lung Diseases, Interstitial/etiology ; Causality
    Language English
    Publishing date 2023-09-27
    Publishing country England
    Document type Journal Article
    ZDB-ID 1464822-2
    ISSN 1462-0332 ; 1462-0324
    ISSN (online) 1462-0332
    ISSN 1462-0324
    DOI 10.1093/rheumatology/kead511
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: [Pulmonary comorbidity in patients with rheumatoid arthritis growing interest in association with bronchiectasis].

    Harigai, Masayoshi

    Nihon rinsho. Japanese journal of clinical medicine

    2016  Volume 74, Issue 6, Page(s) 1000–1005

    Abstract: Association of rheumatoid arthritis (RA) with bronchiectasis (BR) has attracted rising attention recently. Prevalence of BR in patients with RA was higher compared to general population and so was prevalence of RA in patients with BR. Presence of BR in ... ...

    Abstract Association of rheumatoid arthritis (RA) with bronchiectasis (BR) has attracted rising attention recently. Prevalence of BR in patients with RA was higher compared to general population and so was prevalence of RA in patients with BR. Presence of BR in patients with RA is associated with strong positivity of anti-citrullinated peptide antibody and rheumatoid factor(i.e., RA associated autoantibodies (RAAAB)). Several lines of evidence indicated that patients with BR without RA showed higher positivity for RAAAB than normal controls, and BRRA patients had higher positivity for RAAAB than RA patients without BR. Histological analysis of biopsied pulmonary tissue from patients with RA showed that inducible bronchus-associated lymphoid tissue (iBALT) contained a larger number of lymphoid follicles and germinal centers, and produced RAAAB. These data indicate that lung can be a primary initiating site of autoimmunity in RA.
    MeSH term(s) Arthritis, Rheumatoid/epidemiology ; Arthritis, Rheumatoid/immunology ; Autoantibodies ; Bronchi/immunology ; Bronchi/pathology ; Bronchiectasis/epidemiology ; Bronchiectasis/immunology ; Bronchiectasis/pathology ; Comorbidity ; Humans ; Lung/immunology ; Lung/pathology ; Lymphoid Tissue/pathology ; Peptides, Cyclic/immunology ; Prevalence ; Rheumatoid Factor
    Chemical Substances Autoantibodies ; Peptides, Cyclic ; cyclic citrullinated peptide ; Rheumatoid Factor (9009-79-4)
    Language Japanese
    Publishing date 2016-06
    Publishing country Japan
    Document type English Abstract ; Journal Article
    ZDB-ID 390903-7
    ISSN 0047-1852
    ISSN 0047-1852
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: [Rheumatology: Progress in Diagnosis and Treatments. Topics: III. Rheumatoid Arthritis and Allied Conditions; 2. Allied Conditions, 3) Adult Still disease].

    Harigai, Masayoshi

    Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine

    2016  Volume 103, Issue 10, Page(s) 2449–2456

    MeSH term(s) Antirheumatic Agents/therapeutic use ; Arthritis, Rheumatoid/diagnosis ; Arthritis, Rheumatoid/drug therapy ; Humans ; Magnetic Resonance Imaging/methods ; Prognosis ; Rheumatology ; Still's Disease, Adult-Onset/complications ; Still's Disease, Adult-Onset/diagnosis ; Still's Disease, Adult-Onset/drug therapy ; Still's Disease, Adult-Onset/etiology
    Chemical Substances Antirheumatic Agents
    Language Japanese
    Publishing date 2016-07-18
    Publishing country Japan
    Document type Journal Article ; Review
    ZDB-ID 952816-7
    ISSN 1883-2083 ; 0021-5384
    ISSN (online) 1883-2083
    ISSN 0021-5384
    DOI 10.2169/naika.103.2449
    Database MEDical Literature Analysis and Retrieval System OnLINE

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