The aim of this study was to prospectively evaluate the efficacy and safety of tacrolimus (TAC) in various manifestations of systemic lupus erythematosus (SLE) patients in daily clinical practice. Each of the 21 TAC-treated patients with SLE in our care over 2 years was enrolled in this open-label trial. Patients were administered TAC at a dosage of 1-6 mg once daily, followed up for 24 weeks. Efficacy and safety were evaluated utilizing clinical and laboratory findings. As treatment targets, TAC was preferentially used with oral corticosteroid administration for mild active manifestations such as arthritis, skin eruptions, or asymptomatic nephritis. In efficacy, the mean value of the SLE disease activity index was significantly reduced to 4.1, 2.7, 1.8, and 1.2 (N=21, 20, 16 and 13) at 0, 4, 12, and 24 weeks, respectively. In eight cases, treatment was discontinued within 24 weeks due to insufficient effects (6 cases) and side effects (2 cases). Non-serious side effects were observed in only five cases (23.8%) over 24 weeks. TAC can be considered both effective and safe for the treatment of various manifestations of SLE.
The purpose of this study is to report the efficacy and safety of a combination of tocilizumab (TCZ) and high-dose corticosteroid (CS) in two patients with microscopic polyangiitis (MPA) and review the published current clinical evidence on TCZ in patients with anti-neutrophil cytoplasmic antibody-associated vasculitis (AAV), except for large vessel vasculitis (LVV) and polymyalgia rheumatica (PMR). Two MPA patients were treated with TCZ at 8 mg/kg every month for 1 year and CS (prednisolone 1 mg/kg/day for 2 weeks, followed by tapering) in a prospective single-arm, single-center, cohort, open-label pilot study (UMIN clinical trials: 000012072). We performed a systematic literature search (PubMed and ICHUSHI [Japan Medical Abstracts Society] until June 30, 2017) to identify published reports on patients with all vasculitis other than LVV/PMR, who were treated with TCZ. We successfully treated the first patient. However, the other patient had serious infection probably associated with the combination of TCZ and high-dose CS. The literature review identified 22 reports with a total of 34 patients who received TCZ for AAV, rheumatoid vasculitis, and other types of vasculitis, in addition to our patients. In 15 of 17 patients (88.2%) with primary and secondary AAV, especially MPA, TCZ induced clinical remission, although TCZ use for rheumatoid vasculitis and vasculitis with mucocutaneous lesions is controversial. This study suggested that TCZ therapy is a potential treatment strategy for patients with AAV. However, TCZ combined with high-dose of CS might not be an appropriate treatment. Future studies are needed to confirm our findings.
IgG4-related disease (IgG4RD) is a unique systemic lymphoproliferative disorder characterized by elevated serum IgG4 levels and IgG4-producing plasma cell expansion in the affected tissues, which are accompanied by fibrotic or sclerotic changes. Vascular lesions may also be a part of IgG4RD as a number of case reports have discussed inflammatory abdominal aortic aneurysms associated with IgG4RD, but coronary artery lesions seem to be rare complications of IgG4RD. A 71-year-old man suffered from multiple giant coronary aneurysms and an abdominal aortic aneurysm with concurrent pancreatic, gall bladder, bile duct, and salivary gland lesions resulting from IgG4RD. The present observations suggest that coronary aneurysms may also develop as a consequence of this disease.
Background Pulsed cyclophosphamide or mycophenolate mofetil for lupus nephritis has limited efficacy. We previously reported a case of mixed-class IV + V lupus nephritis successfully treated with cyclophosphamide and tacrolimus. This study assessed the efficacy and safety of multitarget therapy with cyclophosphamide and tacrolimus for the treatment of lupus nephritis. Methods In a prospective, single-arm, open label pilot study, we recruited 15 patients aged 18-64 years with active lupus nephritis who met the American College of Rheumatology criteria for a diagnosis of systemic lupus erythematosus (1997). The treatment protocol was a starting dose of prednisolone of 0.6-1.0 mg/kg/day for 2 weeks and then tapered to a maintenance dose, intravenous cyclophosphamide (500 mg biweekly for 3 months) and tacrolimus (3.0 mg/day). Tacrolimus was continued as maintenance therapy. Complete remission was defined as a spot urine protein/creatinine ratio of < 0.5 g/gCr with no active urine casts and a serum creatinine level that was either normal or within 30% of a previously abnormal baseline level. We retrospectively compared results for the study patients with those of 18 historical controls conventionally treated with cyclophosphamide and prednisolone. Results At baseline, the mean patient age was 41.5 ± 14.6 years (male:female ratio 2:13), urine protein/creatinine ratio 3.9 ± 2.3 g/gCr and serum creatinine 84.6 ± 34.6 µmol/L. Lupus nephritis classifications included classes IV ( n = 8), III + V ( n = 1), IV + V ( n = 5) and unclassified ( n = 1). Eleven patients completed the treatment protocol and four withdrew. At 6 months, 12 of 15 (80.0%) had achieved complete remission using intention-to-treat analysis, significantly more than historical controls (seven of 18 patients, 38.9%). A transient increase in serum creatinine and gastric symptoms occurred in three cases. One patient withdrew due to cytomegalovirus antigenemia and severe diabetes, and one patient died of thrombotic microangiopathy. Conclusions Multitarget therapy with cyclophosphamide and tacrolimus can be a therapeutic option for lupus nephritis. Clinical trials registration Combination therapy of tacrolimus and intravenous cyclophosphamide for remission induction of lupus nephritis, UMIN: 000004893, URL: https://upload.umin.ac.jp/cgi-open-bin/ctr/ctr.cgi?function=brows&action=brows&type=summary&recptno=R000005830&language=E . Date of registration: 18 January 2011.
Adult-onset Still's disease (AOSD) is a systemic inflammatory disease of unknown etiology. Recently, it has been reported that quite a few cases of refractory AOSD were successfully treated with tocilizumab (TCZ) and corticosteroids were withdrawn in some of these patients. We report two AOSD patients who were treated successfully with TCZ monotherapy; thus, avoiding corticosteroid treatment. Because both of the patients refused to take corticosteroids, we planned to treat them with 8 mg/kg of TCZ monotherapy at weeks 0, 2, 6 and subsequently every 4 weeks. The efficacy of TCZ was assessed by patients' clinical symptoms such as fever, arthralgia, skin eruptions, and laboratory markers such as serum levels of CRP, ferritin, and IL-6. We also reviewed 14 previous case reports including 30 cases who had been treated with TCZ for AOSD. Our patients responded rapidly and have been maintained in clinical remission without corticosteroid treatment. In the literature review, concomitant corticosteroid treatment described in 13 cases was successfully tapered in 7 and discontinued in 6 cases. TCZ monotherapy can be a candidate for the first-line therapy for some AOSD patients.
The parameters involved in the Disease Activity Score of 28 joints (DAS28) are not mutually independent, and the evaluation excludes ankle and foot joints. We developed a new quantitative and comprehensive assessment of the activity of rheumatoid arthritis (RA), called the handy rheumatoid activity score, with 38 joints (HRAS38), to overcome these disadvantages of DAS28. Forty-six RA patients who recently completed a 1-year infliximab therapy were evaluated for DAS28 (C-reactive protein; CRP) and HRAS38 at 0, 2, 6, 14, 22, 30, 38, 46, and 54 weeks. The 38-joint evaluation in HRAS38 includes 28 joints of DAS28 except for the shoulder joints, with the addition of ankle and metatarsophalangeal joints. The extent of joint swelling was rated on a scale of 0-3. The HRAS38 score is the cumulative sum of three parameters including: (1) a global assessment of disease activity [visual analog scale (VAS) 0-100 mm] by the patient, (2) swollen joint score based on a 38-joint assessment by a physician (0-114), and (3) serum concentration of CRP (mg/l). Scatter plots of HRAS38 and DAS28(CRP), and subsequent linear regression analysis demonstrated a statistically significant correlation between methodologies (r = 0.846, P < 0.0001). Infliximab treatment resulted in a statistically significant (P < 0.001) decrease in the mean HRAS38 score from 130.5 to 56.5 within 2 weeks of treatment and at 52 weeks of therapy scores were still reduced at 52.5. The mean DAS28(CRP) was also significantly (P < 0.001) reduced from a baseline value of 5.8 to 3.7 after 2 weeks treatment with a final value of 3.2 after 52 weeks of therapy. Infliximab reduced the progression of joint destruction by 85%, for terms before infliximab as determined by radiographic analyses. The degree of progression appeared to be associated with the mean HRAS38, although this observation was not shown to be statistically significant by regression analysis (r = 0.307). The HRAS38 score comprises minimal and independently acquired parameters and is an effective and comprehensive measure of disease activity in RA patients.
The aim of this study was to prospectively evaluate the efficacy and safety of tacrolimus for treating rheumatoid arthritis (RA) patients in clinical practice. Fifty-five active RA patients who had been resistant or intolerant to other disease-modifying antirheumatic drugs were enrolled in this open-label trial. Patients were administered tacrolimus at a dosage of 1, 2 or 3 mg once daily, and followed up for 24 weeks. They were divided into three groups according to their dosage. Efficacy and safety were evaluated utilizing clinical and laboratory findings. Eighty percent of the patients had moderate or high disease activity; 55% were elderly and 53% had complications; 65% of the patients were started on tacrolimus as a monotherapy. Moderate or good response rates were achieved as follows: 38.2% (4 weeks); 41.8% (12 weeks); and 45.6% (24 weeks). Adverse events were observed in seven cases (12.7%). Only one case required hospitalization due to severe hyperglycemia caused by a high tacrolimus concentration (24.2 ng/ml); we suspected a drug interaction in this subject. Mean concentrations were dose-dependent in the 1, 2, and 3 mg/day groups (2.96, 4.29, and 8.32 ng/ml, respectively). Four cases of high concentration (over 10 ng/ml), without any signs or symptoms, were observed in the 3 mg/day group; in these cases, doses were decreased and no severe adverse events occurred. Tacrolimus was found to be both effective and safe in treating active RA patients with complicated backgrounds in clinical practice. Blood concentration measurements and dose adjustments should be performed to prevent severe adverse events in a 3 mg/day group.
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