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The Risks of Femoral Localized Periosteal Thickening in Patients with Autoimmune Inflammatory Rheumatic Diseases. Mod Rheumatol 2022:6610711. [PMID: 35715985 DOI: 10.1093/mr/roac062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/08/2022] [Accepted: 06/14/2022] [Indexed: 11/12/2022]
Abstract
PURPOSE The incidence of femoral localized periosteal thickening (LPT), which can precede atypical femoral fracture (AFF), is not low (1-10%) in Japanese patients with autoimmune inflammatory rheumatic diseases (AIRDs). We explored the associations between underlying AIRDs and the prevalence of LPT. METHODS We conducted post-hoc analyses of two cohorts that included a total of 280 Japanese women, 105 of whom had AIRDs and had been taking bisphosphonate (BP) and prednisolone (PSL), and 175 of whom had rheumatoid arthritis (RA). RESULTS LPT was detected in a total of 18 patients (6.4%) and three (1.1%) developed AFFs. RA was negatively correlated with LPT. A disease other than RA requiring glucocorticoid treatment, BP use ≥ 5 years, PSL use ≥ 7 years, and a PSL dose ≥ 5.5 mg/day were positively correlated with LPT. After adjusting for age, diabetes mellitus, and BP duration or daily PSL dose, RA was no longer associated with LPT. CONCLUSION LPT in Japanese patients with AIRDs was associated with BP and glucocorticoid treatment rather than underlying AIRDs. When a PSL dose ≥ 5.5 mg/day is required long-term (typically combined with long-term BP treatment [≥ 5 years]), clinicians need to pay particular attention in case LPT and AFF, as well as glucocorticoid-induced osteoporosis.
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The Combination of Modified Mitchell's Osteotomy and Shortening Oblique Osteotomy for Patients with Rheumatoid Arthritis: An Analysis of Changes in Plantar Pressure Distribution. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18199948. [PMID: 34639247 PMCID: PMC8508268 DOI: 10.3390/ijerph18199948] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 09/17/2021] [Accepted: 09/18/2021] [Indexed: 11/16/2022]
Abstract
The present study aims to evaluate changes in plantar pressure distribution after joint-preserving surgery for rheumatoid forefoot deformity. A retrospective study was performed on 26 feet of 23 patients with rheumatoid arthritis (RA) who underwent the following surgical combination: modified Mitchell's osteotomy (mMO) of the first metatarsal and shortening oblique osteotomy of the lateral four metatarsals. Plantar pressure distribution and clinical background parameters were evaluated preoperatively and one year postoperatively. A comparison of preoperative and postoperative values indicated a significant improvement in the visual analog scale, Japanese Society for Surgery of the Foot scale, and radiographic parameters, such as the hallux valgus angle. A significant increase in peak pressure was observed at the first metatarsophalangeal joint (MTPJ) (0.045 vs. 0.082 kg/cm2; p < 0.05) and a significant decrease at the second and third MTPJs (0.081 vs. 0.048 kg/cm2; p < 0.05, 0.097 vs. 0.054 kg/cm2; p < 0.05). While overloading at the lateral metatarsal heads following mMO has been reported in previous studies, no increase in peak pressure at the lateral MTPJs was observed in our study. The results of our study show that this surgical combination can be an effective and beneficial surgical combination for RA patients with mild to moderate joint deformity.
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The advances in dealing with the safety of medicated drugs in pregnancy. Glob Health Med 2021; 3:175-179. [PMID: 34250294 DOI: 10.35772/ghm.2020.01120] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 04/17/2021] [Accepted: 04/28/2021] [Indexed: 11/08/2022]
Abstract
The Japan Drug Information Institute in Pregnancy (JDIIP) was established with the aims of providing information on drug safety to women who are worried about drug use during pregnancy and creating evidence through epidemiological studies based on counseling cases. Since being established, JDIIP has made many contributions to the wellness of mothers and children by promoting the proper use of drugs during pregnancy. A network consisting of Core hospitals in 47 prefectures plays an important role in providing information for women living anywhere in Japan. Because cases of exposure to drugs whose safety we want to analyze are usually rare, networks of domestic and foreign teratology information services are necessary in order to produce high-quality evidence. JDIIP has been contributing to the education of pharmacists and doctors and to the creation of clinical practice guidelines in various medical societies by using keywords such as "pregnancy" and "medication". Future issues include creating an environment that is easily accessible for those seeking consultation, building a mechanism that makes it easy to create a basis for safety, and aiming for the continuing development of the organization.
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Abstract
Objective To evaluate the effectiveness and drug retention rate of golimumab (GLM) for long-term use in daily practice for patients with rheumatoid arthritis (RA). Methods Patients with RA who started GLM therapy with a minimum follow-up period of 52 weeks were included. The patients were divided into a biologic-naïve group and switch group. The disease activity score (DAS) 28-erythrocyte sedimentation rate (ESR) (DAS28-ESR), grip power, and Japanese version of the health assessment questionnaire (J-HAQ) score were assessed. In addition, the treatment continuation rate was evaluated at the final follow-up. Patients Sixty-five patients [58 women and 7 men; median (range) age, 69 (61-74) years; median (range) disease duration, 9 (5-16) years] were included. Twenty-eight patients were biologic-naïve (naïve group), and 37 were switched to biologics (switch group). Results The median (range) follow-up period was 134 (58-162) weeks. The DAS28-ESR improved from a median (range) of 4.31 (3.52-5.25) to 2.65 (2.28-3.77) in the naïve group and from 4.27 (3.19-4.89) to 2.89 (2.49-3.88) in the switch group. The grip power improved in both groups (p<0.01); however, the J-HAQ score showed no marked improvement in either group. The continuation rates were 22/28 (78.6%) in the naïve group, and 26/37 (70.3%) in the switch group at the final follow-up. Conclusion We herein report for the first time that the long-term use of GLM improves the grip power. Improving the grip power may help prevent sarcopenia and frailty in the future. Given the efficacy and high continuation rate, we suggest that GLM would be a well-tolerated treatment option for RA.
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Cumulative incidence of femoral localized periosteal thickening (beaking) preceding atypical femoral fractures in patients with rheumatoid arthritis. Osteoporos Int 2021; 32:363-375. [PMID: 32885317 DOI: 10.1007/s00198-020-05601-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 08/12/2020] [Indexed: 11/29/2022]
Abstract
UNLABELLED The incidence of localized periosteal thickening (LPT, also termed beaking) of the lateral cortex that often precedes an atypical femoral fracture (AFF) was not high in patients with rheumatoid arthritis (RA) but incomplete AFFs developed in two patients. Higher-dose prednisolone was a significant risk factor for LPT in patients with RA. INTRODUCTION Atypical femoral fractures (AFFs) are stress fractures; bisphosphonate (BP) use is a major risk factor for the development of such fractures. Localized periosteal thickening (LPT, also termed beaking) of the lateral cortex often precedes a complete or incomplete AFF. We evaluated the incidence of latent LPT in patients with rheumatoid arthritis (RA), to evaluate LPT progression, and to define LPT risk factors. METHODS A total of 254 patients with RA were included; all underwent annual X-ray evaluation, dual-energy X-ray absorptiometry, and analyses of serum and bone metabolic markers for 2-3 years. LPT of the lateral cortex was sought in femoral X-rays. RESULTS The incidence of LPT was 2.4% (6/254). Among patients on both BP and prednisolone (PSL) at enrollment, the incidence was 2.3% (3/131). Two femurs of two patients with LPT developed incomplete AFFs; LPT was extensive and associated with endosteal thickening. One patient had been on BP and PSL and microscopic polyangiitis was comorbidity. The other was on a selective estrogen receptor modulator and PSL. A daily PSL dose >5 mg (OR 11.4; 95%CI 2.15-60.2; p = 0.004) and higher-dose methotrexate (OR 1.22; 95%CI 1.01-1.49; p = 0.043) were significant risk factors for LPT. CONCLUSIONS The incidence of latent LPT was not high (2.4%) but incomplete AFFs developed in two RA patients. Higher-dose PSL because of a comorbid disease requiring glucocorticoid treatment other than RA or refractory RA were risk factors for LPT; X-ray screening for latent LPT would usefully prevent complete AFFs.
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Erratum for Two-year Outcomes of Infliximab Discontinuation in Patients with Rheumatoid Arthritis: A Retrospective Analysis from a Single Center. Intern Med 2021; 60:1489. [PMID: 33952815 PMCID: PMC8170242 DOI: 10.2169/internalmedicine.e002-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Erratum for Long-term Use of Golimumab in Daily Practice for Patients with Rheumatoid Arthritis. Intern Med 2021; 60:2163. [PMID: 34193776 PMCID: PMC8313909 DOI: 10.2169/internalmedicine.e004-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Serum hepcidin level, iron metabolism and osteoporosis in patients with rheumatoid arthritis. Sci Rep 2020; 10:9882. [PMID: 32555299 PMCID: PMC7303107 DOI: 10.1038/s41598-020-66945-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Accepted: 05/27/2020] [Indexed: 12/14/2022] Open
Abstract
Hepcidin, a major regulator of iron metabolism and homeostasis, is regulated by inflammation. Recent studies have suggested that hepcidin and iron metabolism are involved in osteoporosis, and the aim of this study was to determine whether serum hepcidin levels are correlated with the degree of osteoporosis in patients with rheumatoid arthritis (RA). A total of 262 patients with RA (67.5 ± 11.4 years; 77.5% female) were enrolled. Serum iron, ferritin, and hepcidin levels were positively correlated each other. Multiple regression analyses revealed that the serum iron level was positively correlated with femoral T and Z scores, whereas the serum hepcidin level was not. Serum hepcidin level was correlated with the serum 25-hydroxy vitamin D level, which was in turn positively related to the femoral Z score. Serum hepcidin and serum iron were indirectly and directly related to osteoporosis in patients with RA.
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Abatacept concentrations in maternal serum and breast milk during breastfeeding and an infant safety assessment: a case study. Rheumatology (Oxford) 2020; 58:1692-1694. [PMID: 31323087 DOI: 10.1093/rheumatology/kez135] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/16/2019] [Indexed: 12/25/2022] Open
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Abstract
Objective To investigate the clinical outcomes of rheumatoid arthritis (RA) patients who discontinued infliximab (IFX) treatment at our hospital. Methods Among 249 patients receiving IFX from 2007 to 2015, we retrospectively investigated the clinical courses of 18 who discontinued IFX after achieving the 28-joint disease activity score based on the erythrocyte sedimentation (DAS28-ESR) clinical remission (CR) and whose clinical courses were available continuously for 96 weeks after discontinuation. Results At IFX introduction, the median age was 56.9 (range 36.1-72.4) years, and the disease duration was 5.2 (0.4-25.6) years. The median duration of maintaining either CR or a low disease activity (LDA) with IFX was 37.2 (4.0-91.4) months, and the total duration of IFX therapy was 45.8 (17.1-96.9) months. After discontinuation, 8 patients (44.4%) maintained CR/LDA for 96 weeks (no-flare group), and 10 (55.6%) experienced flares (DAS28-ESR≥3.2) within 96 weeks (flare group). In the no-flare group, six patients receiving intensified conventional synthetic disease-modifying antirheumatic drug (csDMARD) therapy to prevent flare ups simultaneously either with or immediately after discontinuing IFX. In the flare group, four patients received intensified csDMARD therapy. Six patients restarted biological DMARDs (bDMARDs), and all achieved CR again. Ultimately, 12 patients (66.7%) maintained a Bio-free disease control for 96 weeks. A comparison of the clinical backgrounds between the flare and no-flare groups showed no marked difference in their disease duration, IFX dosage, duration of maintaining CR with IFX, or concomitant csDMARDs use. Conclusion Irrespective of the RA disease duration, more than half of all patients maintained a Bio-free condition for 96 weeks. Continuing LDA with IFX for a sufficiently long period of time before discontinuation and preventive intensification of csDMARD therapy may help maintain a Bio-free condition.
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Changes in radiographic findings and plantar pressure distribution following forefoot reconstructive surgery for patients with rheumatoid arthritis. Mod Rheumatol 2019; 30:967-974. [PMID: 31612762 DOI: 10.1080/14397595.2019.1680094] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Objectives: To evaluate changes in radiographic findings and plantar pressure distribution after rheumatoid forefoot surgery.Methods: This study was performed on patients with rheumatoid arthritis (RA) who underwent Swanson implant arthroplasty for the 1st metatarsophalangeal (MTP) joint combined with shortening oblique osteotomy at the 2nd through 5th metatarsal necks (group Sw, 55 feet). The following two groups were used as controls: group NS, consisting of 75 feet in RA patients without scheduled forefoot surgery, and group HC, consisting of 24 feet in healthy female subjects. Plantar pressure distribution, and radiographic findings of hallux valgus angle, the angle between the metatarsal bones, talocalcaneal angle, calcaneal pitch angle and calcaneo-first metatarsal angle (CFMA) were measured pre- and one year postoperatively. Peak pressure was measured in nine sections.Results: Calcaneal pitch angle decreased and CFMA increased in group Sw. Peak pressure at the 1st interphalangeal joint (IP) and the 2nd and 3rd MTPs in group Sw decreased, while that at midfoot increased.Conclusion: While the clinical outcome in group Sw was favorable, postoperative longitudinal arch decreased. Postoperative peak pressure at the 2nd through 5th MTPs was comparable with that in group NS; however, it was significantly lower than that in group HC.
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Clinical application of the dried milk spot method for measuring tocilizumab concentrations in the breast milk of patients with rheumatoid arthritis. Int J Rheum Dis 2019; 22:1130-1137. [PMID: 30968569 DOI: 10.1111/1756-185x.13557] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 02/12/2019] [Accepted: 02/14/2019] [Indexed: 11/28/2022]
Abstract
AIMS Tocilizumab (TCZ), a humanized anti-interleukin-6 receptor monoclonal antibody, is used to treat rheumatic diseases. There is limited information about the administration of TCZ during lactation. The dried spot method, a simple technique for processing biological samples which involves placement of a drop of specimen onto filter paper, has been used in clinical pharmacology to determine various drug concentrations. This study examined the feasibility of sample collection using the dried milk spot (DMS) method for obtaining data about the transfer of TCZ into breast milk. METHODS Concentrations of TCZ determined using DMSs prepared by patients were compared with those using liquid breast milk. RESULTS In an enzyme-linked immunosorbent assay of TCZ in DMSs, the accuracy ranged from 93.0% to 113.8% and the precision ranged from 0.3% to 8.4%. All concentrations of TCZ were within 15% of the reference value when analyzed on separate days. TCZ in DMSs at room temperature, 4°C, and -20°C were stable for 28 days. Extracted TCZ concentrations from patient-prepared DMSs were strongly correlated with those of liquid samples (r = 0.996). In a pharmacokinetic study, the median (range) maximum and minimum concentrations were 113 ng/mL (68-205) and 8.5 ng/mL (4.8-13.4), respectively. The milk-to-serum ratio at the trough TCZ concentration of 3 lactating mothers were 0.0015, 0.00082 and 0.0014. CONCLUSIONS The DMS method for measuring TCZ transfer into breast milk may be reliable and feasible, and should contribute to evaluating the safety of breast-fed infants whose mothers receive TCZ during lactation.
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Tocilizumab during pregnancy and lactation: drug levels in maternal serum, cord blood, breast milk and infant serum. Rheumatology (Oxford) 2019; 58:1505-1507. [DOI: 10.1093/rheumatology/kez100] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/23/2019] [Indexed: 02/04/2023] Open
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Abstract
Objectives The present study was performed with the aim of analyzing the biological disease-modifying antirheumatic drug (bDMARD)-free (Bio-free) condition of adalimumab (ADA)-treated rheumatoid arthritis (RA) patients in a real-world setting. Methods ADA was used in the treatment of 130 (male, n=21; female, n=109 females) RA patients. Among them, 26 patients (20.0%) discontinued ADA due to a good response. We analyzed 20 patients who were followed up for more than 6 months after the discontinuation of ADA. The Disease Activity Score 28 based on C-reactive protein (DAS28-CRP) and modified health assessment questionnaires (mHAQs) were evaluated. Results The mean age of the patients was 53.4±11.1 years. The mean disease duration was 4.5±4.3 years. Sixteen patients were bDMARD-naïve, while 4 switched from bDMARDs to ADA. At 6 months after the discontinuation ADA, 19 patients had achieved a clinical remission, and 1 had achieved a low disease activity. The Bio-free period was 26.4±15.5 months. The dose of prednisolone was significantly reduced from baseline (3.45±3.17 mg/day) at 6 months after the discontinuation of ADA (2.63±2.78 mg/day). The dose of methotrexate was unchanged. The number of conventional synthetic DMARDs (csDMARDs) was significantly increased (0.8±0.6 to 1.4±1.06). The mHAQ values were significantly ameliorated by ADA and remained good in patients with a Bio-free condition. A multivariate analysis showed that the dose of methotrexate (MTX) was an important factor for achieving a Bio-free condition. Conclusion A sustainable Bio-free condition in a real clinical setting can be achieved and may be a suitable way of reducing medical costs. The dose of MTX and the additional administration of csDMARDs is therefore thought to be important for ensuring a good outcome in these patients.
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Influence of CaCO3 pore-forming agent on porosity and thermal conductivity of cellulose acetate materials prepared by non-solvent induced phase separation. ADV POWDER TECHNOL 2019. [DOI: 10.1016/j.apt.2018.10.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Abstract
Objective To investigate the efficacy of minodronate in the treatment of glucocorticoid-induced osteoporosis (GIO). Methods The study population included patients in whom the administration of minodronate (50 mg, once every 4 weeks) had been newly started for the treatment of GIO in Niigata Rheumatic Center from 2012 to 2015. Patients who were bisphosphonate-naïve and those who switched from other bisphosphonates were classified into the naïve and switch groups, respectively. The changes in the bone mineral density (BMD) and bone metabolic markers after one year of minodronate treatment were retrospectively evaluated. We also compared the BMD and bone turnover marker changes of minodronate-naïve patients with those in whom alendronate or risedronate had been prescribed as a first bisphosphonate (control group). Results Minodronate was prescribed to 142 patients, and data were successfully obtained from 120 patients. New vertebral fractures were observed in 5 of the 142 patients; 1 fracture occurred during the cessation of minodronate for dental treatment, and 3 patients already had multiple vertebral fractures before the initiation of minodronate. The patients' tartrate-resistant acid phosphatase 5b (TRACP-5b) (-27.0%, p<0.001) and bone alkaline phosphatase (BAP) (-15.7%, p<0.01) levels were decreased, but no patients showed a decrease to below the normal range. One year of treatment with minodronate significantly increased the lumbar BMD in the naïve (+3.9%, p<0.001) and switch (+2.3%, p<0.001) groups. Although the femoral BMD did not change to a significant extent overall, the patients with a low young adult mean (YAM) (<80%) at baseline showed a significant increase in their femoral BMD (+2.1%, p=0.034) values. Compared with the control group, the minodronate-naïve group showed a significant decrease in the TRACP-5b levels and a significant increase in the lumbar BMD. Conclusion The administration of minodronate appears to be an effective treatment for GIO.
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Tocilizumab concentrations in maternal serum and breast milk during breastfeeding and a safety assessment in infants: a case study. Rheumatology (Oxford) 2018; 57:1499-1501. [DOI: 10.1093/rheumatology/key091] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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[The treatment of patients with elderly-onset rheumatoid arthritis at Niigata Rheumatic Center]. Nihon Ronen Igakkai Zasshi 2018; 55:251-258. [PMID: 29780094 DOI: 10.3143/geriatrics.55.251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
AIM To investigate the clinical course of patients with elderly-onset rheumatoid arthritis (RA). METHODS We compared the characteristics, and clinical course of 55 patients who developed RA at over 80 years of age (elderly-onset [EO] group) with 119 patients who developed RA at 40-59 years of age (non-elderly onset [non-EO] group). We also investigated the characteristics and clinical course of 19 patients who developed RA at over 80 and who received biological disease-modifying anti-rheumatic drugs (bDMARDs). RESULTS The mean DAS28-ESR (DAS) and HAQ-DI (HAQ) of the EO were significantly higher in comparison to the non-EO group (4.91±1.31 vs 4.41±1.47, p=0.043, 1.2±0.9 vs 0.5±0.6, p<0.01). For the first treatment, 87.3% in the EO group received conventional synthetic DMARDs (csDMARDs), none received MTX. The rate of prednisolone (PSL) administration in the EO group was significantly higher than the non-EO group (56.4% vs 30.3%, p<0.01). The DAS and HAQ were significantly decreased in both groups, while the HAQ of the EO group was higher than the non-EO group. The decrease in DAS and HAQ of the PSL users was significantly greater than the non-PSL users (ΔDAS: 2.55±1.83 vs 1.83±1.23, p<0.01, ΔHAQ: 0.9±1.0 vs 0.3±0.6, p=0.027). Among the 19 patients with bDMARDs, the mean DAS and HAQ at baseline were significantly decreased 6 months later. CONCLUSION Early use of csDMARDs and PSL was effective for functional disability of elderly-onset RA; however, some of them required bDMARDs. Further study should be performed to investigate the effectiveness of the early induction of MTX and bDMARDs.
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Efficacy and safety of infliximab: A comparison with other biological disease-modifying anti-rheumatic drugs. Mod Rheumatol 2017; 28:599-605. [PMID: 28972441 DOI: 10.1080/14397595.2017.1380250] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVES The intensification of infliximab (IFX) treatment, involving escalation of the dose and shortening of interval, was approved in Japan in July 2009. We consider IFX intensification therapy to be preferable for patients with treatment-resistant active rheumatoid arthritis (RA). We retrospectively compared the efficacy of IFX with that of other bDMARDs in methotrexate (MTX)-resistant patients. METHODS Patients who satisfied the following criteria were enrolled: (i) those who started bDMARDs between February 2011 and December 2016, and (ii) those who required bDMARDs after 180 d of MTX treatment. We compared 33 patients who had been treated with IFX (IFX group) and 146 who had received other bDMARDs treatment (non-IFX group). RESULTS IFX was administered at a dose of 6.98 mg/kg/8-week equivalent at 52 weeks. Clinical disease activity index clinical remission (CDAI-CR) was achieved in 49 of the 179 patients at 52 weeks and 13 of these 49 patients received IFX. Logistic regression analysis showed that treatment with IFX was an important variable for the achievement of CDAI-CR at 52 weeks (odds ratio 2.69, 95% confidence interval 1.13-6.42). The severity and frequency of adverse events did not differ. CONCLUSION Intensification of IFX was effective and well tolerated for MTX resistant patients.
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Plantar pressure and surgical indication of toe arthroplasty for rheumatoid forefoot deformity. Mod Rheumatol 2017; 27:990-994. [DOI: 10.1080/14397595.2017.1301015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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TIARP attenuates autoantibody-mediated arthritis via the suppression of neutrophil migration by reducing CXCL2/CXCR2 and IL-6 expression. Sci Rep 2016; 6:38684. [PMID: 27995997 PMCID: PMC5171802 DOI: 10.1038/srep38684] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Accepted: 11/14/2016] [Indexed: 12/20/2022] Open
Abstract
TNFα-induced adipose-related protein (TIARP) is a six-transmembrane protein expressed on macrophages, neutrophils and synoviocytes. We reported recently that mice deficient in TIARP (TIARP−/−) spontaneously develop arthritis and are highly susceptible to collagen-induced arthritis (CIA) with enhanced interleukin (IL)-6 production. However, the effects of TIARP on neutrophils and fibroblast-like synoviocytes (FLS) have not been elucidated. We analyzed the roles of TIARP in K/BxN serum transfer model using TIARP−/− mice. Arthritis in TIARP−/− mice transferred with K/BxN serum was significantly exacerbated compared with WT mice. We characterized the differences in neutrophils between wild-type (WT) and TIARP−/− mice by DNA microarray. Overexpression of CXCR1 and CXCR2 was noted in TIARP−/− neutrophils. Neutrophils of TIARP−/− mice showed strong migration activity, which was markedly facilitated by CXCL2 in vitro and in vivo. Moreover, enhanced production of CXCL2 and IL-6 and cell proliferation was noted in TIARP−/− TNFα-stimulated FLS. Blockade of IL-6R significantly attenuated serum-transferred TIARP−/− arthritis with diminished neutrophil recruitment in joints. Our findings suggested that TIARP independently down-regulated CXCL2 and IL-6 production by FLS, and the expression of chemokine receptors (CXCR1 and CXCR2) in neutrophils, with resultant reduction of neutrophil migration into arthritic joints.
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AB0374 Analysis of Spacing of The Intravenous Administration of Tocilizumab in Patients with Rheumatoid Arthritis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.2417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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THU0050 Orthopedic Surgical Intervention Aiming at Higher Level of Quality of Life and Mental Wellness for The Patients with Rheumatoid Arthritis. A Prospective Cohort Study of 276 Surgically-Treated Patients. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.1901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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THU0155 Analysis of Bio-Free Condition of Adalimumab (ADA) and Early Introduction of ADA in Patients with Rheumatoid Arthritis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.1813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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THU0094 Systemic Effect of Wrist Surgery on Quality of Life and Mental Wellness for The Patients with Rheumatoid Arthritis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.1957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Studies of optical properties of UV-cured acrylate films modified with spherical silica nanoparticles. ADV POWDER TECHNOL 2016. [DOI: 10.1016/j.apt.2016.01.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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27
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Facile fabrication of light diffuser films based on hollow silica nanoparticles as fillers. ADV POWDER TECHNOL 2016. [DOI: 10.1016/j.apt.2016.01.028] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Improved optical properties of silica/UV-cured polymer composite films made of hollow silica nanoparticles with a hierarchical structure for light diffuser film applications. Phys Chem Chem Phys 2016; 18:16293-301. [DOI: 10.1039/c6cp01005a] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study successfully improved the optical properties of silica/UV-cured polymer composite films made of hollow silica nanoparticles having a hierarchical structure.
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High triglyceride is a risk factor for silent osteonecrosis of the femoral head in systemic lupus erythematosus. Clin Rheumatol 2015; 34:2071-7. [PMID: 26384821 DOI: 10.1007/s10067-015-3075-y] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Revised: 09/07/2015] [Accepted: 09/07/2015] [Indexed: 11/26/2022]
Abstract
The purpose of this study was to clarify the factors related to silent osteonecrosis of the femoral head (ONFH) in patients with systemic lupus erythematosus (SLE). Seventy-eight patients with SLE were selected on the basis of having been newly diagnosed and requiring high-dose prednisolone, including pulse therapy with methylprednisolone, as the initial treatment. All the patients initially underwent MRI at 3 months after the start of corticosteroid treatment to detect any early changes in the femoral head. These examinations were then performed again 3 months later. Laboratory parameters were evaluated at the start of steroid treatment and at 1 month thereafter. By 3 months after the start of corticosteroid treatment, silent ONFH was diagnosed by MRI in 21 patients (26.9 %), being bilateral in 11 patients and unilateral in 10. The occurrence of silent ONFH was not related to SLE disease activity index, serological activity, or renal function; it was also unrelated to body mass index (BMI), body surface area (BSA), and the initial dose of prednisolone per unit body weight. However, the total cholesterol level at 4 weeks after the start of steroid treatment tended to be higher in patients with silent ONFH. Patients with a higher triglyceride level showed a significantly higher frequency of silent ONFH both before (p = 0.002) and 4 weeks after (p = 0.036) steroid initiation.A high triglyceride level is an important risk factor for silent ONFH in patients with SLE, and large-scale epidemiologic surveys of such early events are needed in this patient population.
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Atypical skin involvement in Erdheim–Chester disease: Fig. 1. Rheumatology (Oxford) 2015; 54:2229. [DOI: 10.1093/rheumatology/kev317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Specific overexpression of tumour necrosis factor-α-induced protein (TNFAIP)9 in CD14(+) CD16(-) monocytes in patients with rheumatoid arthritis: comparative analysis with TNFAIP3. Clin Exp Immunol 2015; 180:458-66. [PMID: 25683200 DOI: 10.1111/cei.12606] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 02/02/2015] [Accepted: 02/09/2015] [Indexed: 01/09/2023] Open
Abstract
The tumour necrosis factor (TNF)-α-induced proteins (TNFAIP)9 and TNFAIP3 play an important pathogenic role in murine arthritis. To clarify their pathophysiological roles in patients with rheumatoid arthritis (RA), we examined their expression and localization in peripheral blood mononuclear cells (PBMC). TNFAIP9 and TNFAIP3 mRNA expression was determined in PBMC of RA patients and healthy subjects (control). Flow cytometry was used to analyse the main TNFAIP9- and TNFAIP3-expressing cell populations. TNFAIP9 and TNFAIP3 mRNA expression levels were examined in vitro on CD14(+) cells stimulated with TNF-α and lipopolysaccharide (LPS). The expression levels of TNFAIP9 and TNFAIP3 mRNA were also measured before and 12 weeks after treatment with tocilizumab and abatacept. TNFAIP9 expression was significantly higher, while TNFAIP3 expression was lower in PBMC of RA (n=36) than the control (n=24) (each P < 0.05). TNFAIP9 was expressed on CD14(+) cells, especially in human leucocyte antigen D-related (HLA-DR)(+) CD14(bright) CD16(-) cells, while TNFAIP3 was expressed mainly on CD3(+) T cells. TNF-α and LPS induced TNFAIP9 and TNFAIP3 in human CD14(+) monocytes in vitro. Treatment with tocilizumab (n=13), but not abatacept (n=11), significantly reduced TNFAIP9 mRNA expression in PBMC, which was associated with reduction in the number of circulating CD14(bright) monocytes. The expression of TNFAIP9 in CD14(+) cells was specifically elevated in patients with RA, regulated by TNF-α and LPS, and suppressed by tocilizumab, while TNFAIP3 in PBMC showed different localization and induction patterns.
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Antigen-specific over-expression of human cartilage glycoprotein 39 on CD4+ CD25+ forkhead box protein 3+ regulatory T cells in the generation of glucose-6-phosphate isomerase-induced arthritis. Clin Exp Immunol 2014; 177:419-27. [PMID: 24730590 DOI: 10.1111/cei.12349] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/26/2014] [Indexed: 01/09/2023] Open
Abstract
Human cartilage gp-39 (HC gp-39) is a well-known autoantigen in rheumatoid arthritis (RA). However, the exact localization, fluctuation and function of HC gp-39 in RA are unknown. Therefore, using a glucose-6-phosphate isomerase (GPI)-induced model of arthritis, we investigated these aspects of HC gp-39 in arthritis. The rise in serum HC gp-39 levels was detected on the early phase of GPI-induced arthritis (day 7) and the HC gp-39 mRNA was increased significantly on splenic CD4(+) T cells on day7, but not on CD11b(+) cells. Moreover, to identify the characterization of HC gp-39(+) CD4(+) T cells, we assessed the analysis of T helper (Th) subsets. As a result, HC gp-39 was expressed dominantly in CD4(+) CD25(+) forkhead box protein 3 (FoxP3)(+) refulatory T cells (T(reg)), but not in Th1, Th2 or Th17 cells. Furthermore, to investigate the effect of HC gp-39 to CD4(+) T cells, T cell proliferation assay and cytokine production from CD4(+) T cells using recombinant HC gp-39 was assessed. We found that GPI-specific T cell proliferation and interferon (IFN)-γ or interleukin (IL)-17 production were clearly suppressed by addition of recombinant HC gp-39. Antigen-specific over-expression of HC gp-39 in splenic CD4(+) CD25(+) FoxP3(+) T(reg) cells occurs in the induction phase of GPI-induced arthritis, and addition of recombinant HC gp-39 suppresses antigen-specific T-cell proliferation and cytokine production, suggesting that HC gp-39 in CD4(+) T cells might play a regulatory role in arthritis.
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Efficacy and safety of abatacept for patients with Sjögren's syndrome associated with rheumatoid arthritis: rheumatoid arthritis with orencia trial toward Sjögren's syndrome Endocrinopathy (ROSE) trial-an open-label, one-year, prospective study-Interim analysis of 32 patients for 24 weeks. Mod Rheumatol 2014; 25:187-93. [PMID: 25211401 PMCID: PMC4389760 DOI: 10.3109/14397595.2014.951144] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Objective To assess the efficacy and safety of abatacept for secondary Sjögren's syndrome (SS) associated with rheumatoid arthritis (RA). Methods The primary endpoint of this 1-year, open-labeled, prospective, observational multicenter study of RA-associated secondary SS was the rate of SDAI remission at 52 weeks after initiation of abatacept therapy. The secondary endpoints included that of Saxson's test and Schirmer's test. Adverse events during the study period were also analyzed. Results Thirty-two patients (all females) were enrolled in this study. Interim analysis at 24 weeks included assessment of efficacy (n = 31) and safety (n = 32). The mean SDAI decreased from 19.8 ± 11.0 (± SD) at baseline to 9.9 ± 9.9 at 24 weeks (P < 0.05). Patients with clinical remission, as assessed by SDAI, increased from 0 patient (0 week) to 8 patients (25.8%) at 24 weeks. Saliva volume (assessed by Saxson's test) increased slightly from 2232 ± 1908 (0 week) to 2424 ± 2004 (24 weeks) mg/2 min (n = 29). In 11 patients with Greenspan grading 1/2 of labial salivary glands biopsy, saliva volume increased from 2945 ± 2090 (0 week) to 3419 ± 2121 (24 weeks) mg/2 min (P < 0.05). Schirmer's test for tear volume showed increase from 3.6 ± 4.6 (0 week) to 5.5 ± 7.1 (24 weeks) mm/5 min (n = 25; P < 0.05). Five adverse events occurred in five of 32 patients (15.6%), and three of these events were infections. Conclusion Abatacept seems to be effective for both RA and RA-related secondary SS.
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AB0136 Clinical Aspects and Pathogenicity of Anti-Cyclic Citrullinated Glucose-6-Phospate Isomerase Peptide (CCG) Antibodies in Patients with Rheumatoid Arthritis. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.2649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Clinical features of patients with IgG4-related disease complicated with perivascular lesions. Mod Rheumatol 2014; 25:105-9. [DOI: 10.3109/14397595.2014.903596] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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36
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Regulatory roles of tumor necrosis factor alpha-induced proteins (TNFAIPs) 3 and 9 in arthritis. Clin Immunol 2014; 153:73-8. [PMID: 24704577 DOI: 10.1016/j.clim.2014.03.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Revised: 03/24/2014] [Accepted: 03/25/2014] [Indexed: 01/08/2023]
Abstract
Tumor necrosis factor alpha (TNFα) and interleukin-6 (IL-6) have proved to be important in rheumatoid arthritis (RA) because the outcome of RA has greatly improved with the recent availability of biologics targeting them. It is well accepted that these cytokines are involved in the activation of the nuclear factor-κB (NF-κB) signaling pathway, but our understanding of the dependency of these pro-inflammatory cytokines and the link between them in RA is currently limited. Recently, we and others proved the importance of TNFα-induced protein (TNFAIP), due to the spontaneous development of arthritis in deficient animals that are dependent on IL-6. To date, nine TNFAIPs have been identified, and TNFAIP3 and TNFAIP9 were found to be clearly associated with mouse and human arthritis. In this review, we compare and discuss recent TNFAIP topics, especially focusing on TNFAIP3 and TNFAIP9 in autoimmune arthritis in mice and humans.
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Abstract
OBJECTIVE To characterize the epidemiology of Sjögren's syndrome (SS), including prevalence, disease type, extra-glandular involvement, satisfaction of diagnostic criteria sets, and treatment used in Japan. METHODS The Research Team for Autoimmune Diseases, the Research Program for Intractable Disease by the Ministry of Health, Labor and Welfare conducted primary and secondary surveys on epidemiology of SS in 2011. The primary survey covered 4,729 out of 14,095 Japan-wide Hospital Departments to investigate the prevalence of SS. The secondary survey encompassed 214 Hospital Departments that agreed to the survey, to characterize disease type, extra-glandular involvement, satisfaction of diagnostic criteria sets, and treatments. RESULTS The number of patients with SS in Japan estimated by the primary survey was 68,483. The secondary survey involving data collected from 2,195 SS patients from 98 Hospital Departments showed that the mean age of patients was 60.8 ± 15.2 years, male/female ratio was 1/17.4, primary/secondary SS was about 60%/40% and glandular/extra-glandular form in primary SS was about 70%/25%. The satisfaction rate was 53.8% for the 1999 revised Japanese Ministry of Health criteria for the diagnosis of SS, 47.7% for the 2002 American-European Consensus Group classification criteria for SS and 49.6% for 2012 American College of Rheumatology classification criteria for SS. Corticosteroids were used by 752 of 2,195 patients (34%), immunosuppressants by 358 patients (16%), biologics by 68 patients (3%) and secretagogues by 695 patients (32%). CONCLUSION The surveys provided valuable information on the epidemiology of SS including prevalence, disease type, extra-glandular involvement, satisfaction of diagnostic criteria sets and treatments used today in Japan.
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Clinicopathological features of IgG4-related disease complicated with orbital involvement. Mod Rheumatol 2013; 24:471-6. [DOI: 10.3109/14397595.2013.844307] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Fabrication of unique hollow silicate nanoparticles with hierarchically micro/mesoporous shell structure by a simple double template approach. NANOTECHNOLOGY 2012; 23:485608. [PMID: 23138674 DOI: 10.1088/0957-4484/23/48/485608] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
An innovative type of hollow silicate nanoparticle with a micro/mesoporous shell wall (NSHPMS) was synthesized at room temperature via an eco-friendly double template approach, followed by simple acid reflux. TEM observations of NSHPMSs showed hollow interior nanoparticles (<100 nm) with a wormhole-like shell structure. The nitrogen gas (N(2)) adsorption/desorption isotherm exhibited a unique two-step pattern: the first step (0.2 < P/P(o) < 0.35) signifies the presence of the micro/mesoporous shell wall while the second step (0.85 < P/P(o) < 0.99) represents the void space in between the NSHPMSs. This resulted to an improved specific surface area up to ~2055.5 m(2) g(-1) and a total pore volume as high as ~6.59 cm(3) g(-1) which is better compared with the usual reported data for hollow particles with a mesoporous shell wall. The stable wormhole mesoporous shell wall provided sufficient spaces that contribute to high adsorption capacities and faster adsorption rates. One can envision that larger quantities of framework composition can be obtained using our NSHPMSs.
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[Pharmacokinetic study on aspoxicillin transfer into pulmonary and tracheal tissues]. THE JAPANESE JOURNAL OF ANTIBIOTICS 1993; 46:367-73. [PMID: 8326676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Each of 36 patients who underwent tracheotomy for removal of malignant or benign tumors or for treatment of pneumothorax was infused with 2 g of aspoxicillin (ASPC, Doyle injection) intravenously over 1-hour period. ASPC concentrations determined at 1 postoperative time-point in tissues of the lung and trachea and in serum of each patient were analyzed pharmacokinetically to elucidate the transfer of ASPC to the thoracic tissues. The preventive effect of ASPC against postoperative infections was also investigated in 39 tracheotomy patients. 1. The analysis of ASPC concentrations in 36 patients with tracheotomy gave the following results; 1) The peak blood level (about 80 micrograms/ml) was attained at the end of infusion. The serum level then decreased with time to below about 10 micrograms/ml at 6 hours after the start of infusion, with an elimination half-life of about 1.4 hours, which was comparable to that in healthy adults. 2) Peak levels in the lung and tracheal tissues were achieved at about 30 minutes after the start of infusion, at levels of about 30 and 40 micrograms/g, respectively, which decreased to about 5 micrograms/g in both tissues at 6 hours after the start of infusion. 2. Thirty nine patients who were treated with ASPC before operation were examined for the preventive effect of ASPC against postoperative infections for 1 week after operation. No postoperative infection was noted in any patients and ASPC was found to be useful for prevention of postoperative infections. 3. No side effects or abnormal laboratory findings were noted in any patients. Based on the results of the transfer into the tissues of respiratory organs and preventive effect against postoperative infections, we have concluded that ASPC is useful for prevention of infections after thoracic operation.
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[Midwife as a person, an interview: busy life of a new clinical instructor]. JOSANPU ZASSHI = THE JAPANESE JOURNAL FOR MIDWIFE 1984; 38:30-2. [PMID: 6563098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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