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1.
Support Care Cancer ; 31(9): 547, 2023 Sep 01.
Artículo en Inglés | MEDLINE | ID: mdl-37656213

RESUMEN

PURPOSE: Vitamin D plays a crucial role in skeletal metabolism and holds significant importance in the pathophysiology of multiple myeloma (MM). This study aimed to determine the prevalence of vitamin D deficiency among Japanese MM patients and its correlation with clinical outcomes. METHODS: Serum 25-hydroxyvitamin D (25(OH)D) levels were assessed in 68 MM patients at a single institution in Japan, analyzing their association with clinical status, laboratory parameters including procollagen type 1 N-propeptide (P1NP) and tartrate-resistant acid phosphatase 5b (TRACP-5b), health-related quality of life (HR-QOL) scores, and overall survival. Additionally, patients with suboptimal 25(OH)D levels received cholecalciferol supplementation (1000 IU/day), and changes in laboratory parameters were monitored. RESULTS: The median 25(OH)D level was 22 ng/ml, with 32% and 51% of patients exhibiting vitamin D deficiency (< 20 ng/ml) and insufficiency (20-29 ng/ml), respectively. The 25(OH)D levels were unrelated to sex, age, MM stage, or bone lesions, but the vitamin D-deficient group showed a tendency towards lower HR-QOL scores. Among patients achieving complete remission, vitamin D supplementation increased P1NP, while TRACP-5b remained unchanged. Overall survivals from vitamin D measurement and from MM diagnosis were significantly worse in the vitamin D-deficient group compared to the vitamin D-insufficient/-sufficient group. CONCLUSION: The study identified a considerable number of Japanese MM patients with insufficient serum vitamin D levels, with one-third being deficient. Additionally, vitamin D deficiency predicted poor overall survival in Japanese MM patients. Further investigation is required to determine whether vitamin D supplementation can improve the frailty and survival of vitamin D-deficient MM patients.


Asunto(s)
Mieloma Múltiple , Deficiencia de Vitamina D , Humanos , Prevalencia , Calidad de Vida , Pueblos del Este de Asia , Mieloma Múltiple/tratamiento farmacológico , Mieloma Múltiple/epidemiología , Fosfatasa Ácida Tartratorresistente , Deficiencia de Vitamina D/tratamiento farmacológico , Deficiencia de Vitamina D/epidemiología , Vitamina D
2.
Ann Hematol ; 98(7): 1703-1711, 2019 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-31049648

RESUMEN

In spite of recent development in the treatment armamentarium for multiple myeloma, overall survival (OS) still depends on risk status and sensitivity to treatment of each patient. We have evaluated the clinical relevance of the Revised International Staging System (R-ISS) by comparing it with the original ISS in 718 Japanese patients. The distribution of patients according to response was similar between the ISS and R-ISS stages. Treatment response was greatly influenced by initial treatment modalities and deeper response was observed more frequently in transplanted patients. The R-ISS discriminated the difference in OS between the stages more distinctly than the ISS (p = 9.0 × 10-15 and p = 4.0 × 10-10, respectively). Differences in OS were clarified by both R-ISS and ISS in non-transplanted patients (p = 2.4 × 10-12 and p = 1.4 × 10-8, respectively), but the ISS failed to distinguish the difference between the stages in transplanted patients (p = 0.13). In contrast, the R-ISS could at least discriminate the excellent prognosis of stage I patients whereas the distinction between stage II and III was not that clear (p = 0.033). The R-ISS stage II encompassed a large number of patients, and the prognosis was heterogeneous depending on the fulfillment of prognostic factors such as LDH and adverse cytogenetics. These results suggest that treatment factors and prognostic factors greatly affect the therapeutic response and outcome, and the R-ISS is superior to ISS in prognostication of both transplant-eligible and -ineligible patients in our current clinical practice.


Asunto(s)
Mieloma Múltiple , Adulto , Anciano , Anciano de 80 o más Años , Pueblo Asiatico , Supervivencia sin Enfermedad , Femenino , Estudios de Seguimiento , Humanos , Japón/epidemiología , Masculino , Persona de Mediana Edad , Mieloma Múltiple/diagnóstico , Mieloma Múltiple/mortalidad , Mieloma Múltiple/terapia , Estadificación de Neoplasias , Estudios Retrospectivos , Factores de Riesgo , Tasa de Supervivencia
3.
BMC Infect Dis ; 19(1): 11, 2019 Jan 05.
Artículo en Inglés | MEDLINE | ID: mdl-30611204

RESUMEN

BACKGROUND: Circulating interferon-γ (IFN-γ) concentration may be sustained at a high level regardless of the initiation of antiretroviral therapy (ART) in some patients with HIV-1 infection. In the present study, we examined the clinical characteristics of HIV-1-infected patients with high levels of plasma IFN-γ. METHODS: The study subjects were patients infected with HIV-1 who were either naïve to ART with CD4+ cell count > 200 cells/µL (n = 12), or had achieved viral suppression after ART for over a year (n = 188). The levels of plasma IFN-γ and interleukin-6 (IL-6) were measured by the enzyme-linked immunosorbent assay. Patients were divided into high IFN-γ and low IFN-γ groups based on a cutoff level of 5 pg/mL. RESULTS: The high IFN-γ group included 41 patients (21%). Compared to the patients on ART with low IFN-γ levels, those on ART in the high IFN-γ group were more likely to be younger than 50 years of age (P = 0.0051) and less likely to have dyslipidemia (P = 0.0476) or to be on a protease inhibitor (P = 0.0449). There was no significant difference between groups in the median increase of CD4+ cell counts from the initiation of ART for up to 3 years. However, after 4 years, the increase in CD4+ cell counts was significantly lower in the high IFN-γ group compared with that in the low IFN-γ group. There were no such significant differences between patients with low and high (> 2 pg/mL) levels of plasma IL-6. CONCLUSION: We concluded that HIV-1-infected patients with high levels of circulating IFN-γ did not have a higher rate of comorbidities related to immune activation. However, they exhibited lower CD4+ cell count recovery after 4 years of being on ART. This deficit could be a consequence of persistent immune activation.


Asunto(s)
Antirretrovirales/uso terapéutico , Farmacorresistencia Viral/genética , Infecciones por VIH/sangre , Infecciones por VIH/tratamiento farmacológico , VIH-1/genética , Interferón gamma/sangre , Adulto , Recuento de Linfocito CD4 , Linfocitos T CD4-Positivos/patología , Femenino , Infecciones por VIH/epidemiología , Infecciones por VIH/inmunología , Seropositividad para VIH/sangre , Seropositividad para VIH/tratamiento farmacológico , Seropositividad para VIH/epidemiología , VIH-1/clasificación , VIH-1/aislamiento & purificación , Humanos , Interleucina-6/sangre , Masculino , Persona de Mediana Edad , ARN Viral/análisis , ARN Viral/genética
4.
Acta Med Okayama ; 73(6): 547-552, 2019 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-31871340

RESUMEN

Elderly multiple myeloma (MM) patients, who are generally ineligible for transplantation, have high risks of death and treatment discontinuation, and require a regimen incorporating novel agents that balance safety, tolerability, and efficacy. We evaluated alternating bortezomib-dexamethasone and lenalidomide-dexamethasone treatments administered over a 63-day cycle in transplant-ineligible elderly patients with newly diagnosed MM. Subcutaneous bortezomib 1.3 mg/m2 was administered weekly on Days 1, 8, 15, and 22; oral lenalidomide 15 mg daily on Days 36-56; and oral dexamethasone 20 mg on Days 1, 8, 15, 22, 36, 43, 50, and 57 for 6 cycles. The primary endpoint was the overall response rate.


Asunto(s)
Antineoplásicos/uso terapéutico , Bortezomib/uso terapéutico , Dexametasona/uso terapéutico , Lenalidomida/uso terapéutico , Mieloma Múltiple/tratamiento farmacológico , Anciano , Anciano de 80 o más Años , Antiinflamatorios/administración & dosificación , Antiinflamatorios/uso terapéutico , Antineoplásicos/administración & dosificación , Bortezomib/administración & dosificación , Dexametasona/administración & dosificación , Quimioterapia Combinada , Femenino , Humanos , Factores Inmunológicos/administración & dosificación , Factores Inmunológicos/uso terapéutico , Lenalidomida/administración & dosificación , Masculino
5.
Hematol Oncol ; 36(1): 196-201, 2018 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-28786198

RESUMEN

Single nucleotide polymorphisms (SNPs) in interleukin 17 (IL17A) and IL-23 receptor (IL23R) are involved in the pathogenesis of many cancers and autoimmune diseases. We investigated the influence of IL17A and IL23R SNPs on the risk of developing multiple myeloma (MM) and its clinical features. We obtained genomic DNA from 120 patients with MM and 201 healthy controls and detected IL17A -197 G/A (rs2275913) and IL23R H3Q (rs1884444) genotypes using the polymerase chain reaction-restriction fragment length polymorphism method. There were no significant differences in the genotype and allele frequencies of IL17A -197 G/A and IL23R H3Q between the controls and patients with MM. Compared with the GG and GA genotypes, the IL17A AA genotype was significantly associated with lower hemoglobin levels. The IL23R HH genotype was significantly associated with higher frequency of bone lesions and plasmacytoma than the HQ and QQ genotypes. We observed significant differences in overall survival (OS) between patients treated with thalidomide and/or bortezomib and those treated conventionally. Therefore, we also examined the effect of IL17A and IL23R polymorphisms on the clinical variables and OS in patients treated with thalidomide and/or bortezomib. We observed that the IL23R HH genotype was significantly associated with poor survival compared with the QH and HH genotypes in these patients. Our findings indicate that IL17A -197 G/A and IL23R H3Q are not associated with susceptibility to MM. However, IL-17 and IL-23R polymorphisms may affect severity, bone lesions, and extra-medullary disease in patients with MM. Moreover, IL23R polymorphisms may contribute to poor prognosis in patients with MM treated with thalidomide and/or bortezomib.


Asunto(s)
Interleucina-17/genética , Mieloma Múltiple/genética , Receptores de Interleucina/genética , Adulto , Anciano , Anciano de 80 o más Años , Femenino , Genotipo , Humanos , Masculino , Persona de Mediana Edad , Mieloma Múltiple/mortalidad , Mieloma Múltiple/patología , Polimorfismo de Nucleótido Simple , Pronóstico , Análisis de Supervivencia
6.
Acta Med Okayama ; 72(2): 197-201, 2018 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-29674771

RESUMEN

Standard therapy for idiopathic thrombocytopenic purpura (ITP) has not been established. We are conducting a multicenter, prospective trial to determine the efficacy and safety of short-term, high-dose dexamethasone therapy in ITP patients aged 18-80 years with platelet counts of <20, 000 /µL, or with <50, 000/ µL and bleeding symptoms. The primary endpoints of this trial are the proportion of responses (complete plus partial response) on day 180 (day 46+180) after the completion of the 46-day high-dose dexamethasone therapy. The results of this investigation of the effectiveness and safety of this regimen will be essential for the establishment of standard therapy for ITP.


Asunto(s)
Dexametasona/uso terapéutico , Glucocorticoides/uso terapéutico , Púrpura Trombocitopénica Idiopática/tratamiento farmacológico , Adulto , Anciano , Antibacterianos/uso terapéutico , Antivirales/uso terapéutico , Dexametasona/administración & dosificación , Relación Dosis-Respuesta a Droga , Esquema de Medicación , Glucocorticoides/administración & dosificación , Infecciones por Helicobacter/complicaciones , Infecciones por Helicobacter/tratamiento farmacológico , Helicobacter pylori/aislamiento & purificación , Hepatitis B/complicaciones , Hepatitis B/tratamiento farmacológico , Antagonistas de los Receptores H2 de la Histamina/uso terapéutico , Humanos , Persona de Mediana Edad , Inhibidores de la Bomba de Protones/uso terapéutico , Adulto Joven
7.
Hematol Oncol ; 35(4): 711-718, 2017 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-27405747

RESUMEN

Interleukin-10 (IL-10) and IL-10 receptor (IL-10R) single nucleotide polymorphisms have been implicated in the pathogenesis of many cancers. We investigated the influence of IL-10 -592C/A, IL-10RA I224V, and IL-10RB K47E on the risk of developing multiple myeloma (MM) and the clinical features of MM. We extracted the genomic DNA from 128 MM patients and 202 healthy controls and used polymerase chain reaction-restriction fragment length polymorphism method to detect IL-10 promoter -592C/A (rs1800872), IL-10RA (rs2228055), and IL-10RB K47E (rs2834167) genotypes. Overall survival (OS) was defined as the interval from the date of diagnosis to the date of death or last clinical appointment. No statistically significant difference was observed in the genotype and allele frequencies of IL-10 -592C/A, IL-10RA I224V, and IL-10RB K47E between MM patients and healthy controls. IL-10RA II genotype was significantly associated with a hemoglobin level lower than that of IV and VV genotypes (mean ± standard deviation, 9.21 ± 2.46 vs 10.3 ± 2.33 g/dL; P = .021). IL-10 -592 AA genotype was significantly associated with OS better than that of CA and CC genotypes (median OS, 74.5 vs 46.3 months; P = .047). We observed significant differences in survival between patients treated with thalidomide and/or bortezomib and those treated with conventional treatments (median OS, 74.5 vs 38.2 months; P = .021). Therefore, we also examined the effect of IL-10 and IL-10R polymorphisms on the clinical variables and OS of patients treated with thalidomide and/or bortezomib. In addition, IL-10RB EE genotype was significantly associated with poorer survival than KK and KE genotypes (median OS, 46.3 vs 78.8 months; P = .015). Our findings indicate that IL-10 and IL-10R gene polymorphisms may not contribute to the susceptibility to MM but may be associated with the severity and prognosis of MM. In particular, IL-10RB K47E polymorphism may contribute to the poor prognosis of MM patients treated with thalidomide and/or bortezomib.


Asunto(s)
Predisposición Genética a la Enfermedad , Subunidad beta del Receptor de Interleucina-10/genética , Mieloma Múltiple/genética , Mieloma Múltiple/mortalidad , Polimorfismo de Nucleótido Simple , Adulto , Anciano , Anciano de 80 o más Años , Alelos , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Bortezomib/administración & dosificación , Bortezomib/uso terapéutico , Estudios de Casos y Controles , Terapia Combinada , Femenino , Frecuencia de los Genes , Genotipo , Humanos , Interleucina-10/genética , Masculino , Persona de Mediana Edad , Mieloma Múltiple/diagnóstico , Mieloma Múltiple/tratamiento farmacológico , Estadificación de Neoplasias , Pronóstico , Análisis de Supervivencia , Talidomida/administración & dosificación , Talidomida/uso terapéutico
8.
Ann Hematol ; 95(6): 921-9, 2016 May.
Artículo en Inglés | MEDLINE | ID: mdl-27044390

RESUMEN

Bortezomib is one of the most widely used novel drugs for the treatment of multiple myeloma (MM). However, twice-weekly intravenous administration is associated with innegligible adverse events and treatment discontinuation. We therefore evaluated the long-term efficacy and feasibility of reduced frequency treatment with intravenous bortezomib in elderly patients with relapsed and/or refractory MM. A total of 47 bortezomib-naïve patients (median age 75 years) received bortezomib (1.3 mg/m(2), intravenously) and dexamethasone (20 mg) on days 1, 8, and 15 of every 4-week cycle. Twenty-six patients completed the planned 8 cycles. Best responses were stringent complete response (sCR) in 5 patients, very good partial response (VGPR) in 3, PR in 15, stable disease (SD) in 18, and disease progression (PD) in 6, respectively. Median progression-free and overall survivals were 9.6 and 35.1 months, respectively. After progression, 11 patients were retreated with bortezomib-based regimens and another 24 patients with immunomodulatory drugs. Multivariate analysis revealed that ISS 3, t(4;14), and <4 therapy cycles were significantly poor prognostic factors and that subsequent therapy with bortezomib-based regimens was a favorable factor for extended OS. The common adverse events were diarrhea, constipation, and peripheral neuropathy with no grade 4 toxicity. In conclusion, reduced frequency treatment with intravenous bortezomib + dexamethasone is an effective option for elderly patients with MM.


Asunto(s)
Protocolos de Quimioterapia Combinada Antineoplásica/administración & dosificación , Bortezomib/administración & dosificación , Dexametasona/administración & dosificación , Mieloma Múltiple/tratamiento farmacológico , Recurrencia Local de Neoplasia/tratamiento farmacológico , Anciano , Anciano de 80 o más Años , Esquema de Medicación , Femenino , Estudios de Seguimiento , Humanos , Japón/epidemiología , Masculino , Persona de Mediana Edad , Mieloma Múltiple/diagnóstico , Mieloma Múltiple/epidemiología , Recurrencia Local de Neoplasia/diagnóstico , Recurrencia Local de Neoplasia/epidemiología , Estudios Prospectivos , Resultado del Tratamiento
9.
Rinsho Ketsueki ; 57(6): 771-3, 2016 06.
Artículo en Japonés | MEDLINE | ID: mdl-27384859

RESUMEN

We describe a patient who developed repeated rituximab-induced serum sickness (RISS) followed by anaphylaxis soon after the third administration of rituximab at relapse. A 65-year-old woman with Sjögren's syndrome and relapsed mucosal associated lymphoma tissue (MALT) lymphoma of the lung underwent rituximab monotherapy (375 mg/m(2)/week). Several days after the second exposure to rituximab, she developed a rash, fever, and arthralgia. These symptoms showed relief, but a severe anaphylactic reaction occurred when she was treated with rituximab for the third time. Although a rare complication in patients with lymphoma, clinicians should be aware of RISS symptoms and avoid repeatedly administering rituximab to such patients.


Asunto(s)
Anafilaxia/inducido químicamente , Antineoplásicos/efectos adversos , Rituximab/efectos adversos , Enfermedad del Suero/inducido químicamente , Anciano , Antineoplásicos/uso terapéutico , Femenino , Humanos , Linfoma de Células B de la Zona Marginal/tratamiento farmacológico , Rituximab/uso terapéutico
10.
Eur J Haematol ; 94(2): 145-51, 2015 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-24981274

RESUMEN

Various prognostic markers for multiple myeloma (MM) have been identified, and stratification using these markers is considered important to optimize treatment strategies. The international staging system (ISS) is now a widely accepted prognostic staging system for MM patients; however, its validity is controversial in the era of new therapeutic regimens, since ISS had been established before introduction of new agents. We retrospectively reviewed prognostic factors in order to seek out an alternative staging system more suitably applied to MM patients treated with novel agents. We analyzed 178 newly diagnosed MM patients who received either conventional chemotherapy without novel agents (CT; n = 79) or chemotherapy with novel agents (NT; n = 99). Although median overall survival (OS) of patients treated with CT is significantly different depending on stages of ISS, ISS had no effect on OS among patients treated with NT. Meanwhile, we identified hemoglobin (Hb) and plasmacytoma as independent risk factors for OS in patients who received NT. Using these two parameters, we stratified NT patients into three stages; stage 1 (Hb≥10 g/dL and absence of plasmacytoma), stage 2 (not stage 1 or 3), and stage 3 (Hb <10 g/dL and presence of plasmacytoma). We found that there were significant differences in median OS among the three stages (8.13, 5.95, and 2.45 yr for stages 1, 2, and 3, respectively). This preliminary study suggests that this alternative staging system based on Hb and plasmacytoma is a simple and useful way to predict prognosis of MM patients in the novel agent era.


Asunto(s)
Mieloma Múltiple/diagnóstico , Adulto , Anciano , Anciano de 80 o más Años , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Femenino , Trasplante de Células Madre Hematopoyéticas , Humanos , Inmunofenotipificación , Masculino , Persona de Mediana Edad , Mieloma Múltiple/tratamiento farmacológico , Mieloma Múltiple/mortalidad , Estadificación de Neoplasias , Pronóstico , Resultado del Tratamiento
11.
Cancer Sci ; 105(11): 1496-502, 2014 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-25220100

RESUMEN

L-type amino-acid transporter 1 (LAT1) plays a key role in cell growth and survival. To determine the prognostic significance of LAT1 in multiple myeloma (MM), we investigated the expression of LAT1 and its functional subunit, 4Fc heavy chain (CD98), on myeloma cells by immunohistochemistry in 100 newly diagnosed MM patients. High expression (moderate or strong staining intensity) of LAT1 and CD98 was detected in 56% and 45% of patients, respectively. The LAT1 expression score was positively correlated with Ki-67 index (r = 0.631, P < 0.001), and there was a statistically significant difference in Durie-Salmon stage between patients with high and low LAT1 expression (P = 0.03). In 43 patients treated with melphalan and prednisolone, the overall response rate was significantly higher in the high LAT1 expression group (60.0%) than in the low LAT1 expression group (17.6%) (P = 0.03). Multivariate analysis confirmed that high expression of LAT1 was a significant prognostic factor for predicting poor overall survival independently from the International Staging System (both P = 0.01). Here, we show that the overexpression of LAT1 is significantly associated with high proliferation and poor prognosis in newly diagnosed MM patients. Thus, LAT1 may be a promising pathological marker for identifying high-risk MM.


Asunto(s)
Transportador de Aminoácidos Neutros Grandes 1/genética , Mieloma Múltiple/genética , Adulto , Anciano , Anciano de 80 o más Años , Antineoplásicos/uso terapéutico , Aberraciones Cromosómicas , Femenino , Proteína-1 Reguladora de Fusión/metabolismo , Expresión Génica , Humanos , Inmunohistoquímica , Transportador de Aminoácidos Neutros Grandes 1/metabolismo , Masculino , Persona de Mediana Edad , Mieloma Múltiple/diagnóstico , Mieloma Múltiple/tratamiento farmacológico , Mieloma Múltiple/mortalidad , Estadificación de Neoplasias , Pronóstico , Resultado del Tratamiento
12.
BMJ Case Rep ; 16(11)2023 Nov 03.
Artículo en Inglés | MEDLINE | ID: mdl-37923339

RESUMEN

Lactic acidosis is a rare but serious side effect in individuals receiving nucleoside reverse transcriptase inhibitors. An underweight woman with HIV was admitted to our hospital because of nausea and diffuse myalgia. Her antiretroviral regimen had been changed to tenofovir disoproxil fumarate (TDF)/emtricitabine and darunavir/cobicistat 3 months prior, after which her renal function had gradually declined. After admission, she was diagnosed with lactic acidosis, and a liver biopsy suggested mitochondrial damage. Her plasma tenofovir levels were elevated at the onset of lactic acidosis. We hypothesise that the patient's low body weight, combined with the addition of cobicistat, induced renal dysfunction and led to elevated plasma tenofovir concentrations, resulting in mitochondrial damage and lactic acidosis. Careful monitoring of renal function and lactic acidosis is required during use of TDF-containing regimens for underweight HIV patients, particularly when combined with cobicistat.


Asunto(s)
Acidosis Láctica , Fármacos Anti-VIH , Infecciones por VIH , Femenino , Humanos , Acidosis Láctica/inducido químicamente , Acidosis Láctica/tratamiento farmacológico , Adenina/efectos adversos , Fármacos Anti-VIH/efectos adversos , Cobicistat/efectos adversos , Combinación de Medicamentos , Infecciones por VIH/complicaciones , Infecciones por VIH/tratamiento farmacológico , Tenofovir/efectos adversos , Delgadez/inducido químicamente , Delgadez/tratamiento farmacológico , Resultado del Tratamiento , Persona de Mediana Edad
13.
BMJ Case Rep ; 16(10)2023 Oct 10.
Artículo en Inglés | MEDLINE | ID: mdl-37816574

RESUMEN

Isolated adrenocorticotropic hormone deficiency (IAD) is a rare disorder but not a known cause of hyperferritinaemia. We here report a man with IAD who presented with mild anaemia and unexpected hyperferritinaemia (serum ferritin, 1796 µg/L). He had high serum hepcidin and relatively low erythropoietin levels for his anaemia, with hepcidin and ferritin levels reducing with hydrocortisone supplementation. We speculate that low glucocorticoid levels might suppress erythropoiesis and anti-inflammatory activity, resulting in a higher hepcidin level and hyperferritinaemia. The possibility of adrenal insufficiency including IAD should be considered as a differential diagnosis in patients with unexplained hyperferritinaemia.


Asunto(s)
Anemia , Hepcidinas , Masculino , Humanos , Hidrocortisona/uso terapéutico , Hormona Adrenocorticotrópica , Ferritinas
14.
Eur J Haematol ; 88(4): 340-9, 2012 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-22221143

RESUMEN

OBJECTIVES: Immune thrombocytopenia (ITP) is an autoimmune disorder characterized by the production of autoreactive antibodies against platelet antigens. Although dysfunction of multiple aspects of cellular immunity is considered to be important in the pathogenesis of ITP, it has not been clarified which cell types play a principal role. METHODS: We enrolled 46 untreated patients with chronic ITP and 47 healthy adult volunteers, and investigated by flow cytometry the percentage and absolute number of cells in their peripheral blood that participate in the regulation of cellular immunity. These included plasmacytoid dendritic cells (pDCs), myeloid dendritic cells (mDCs), natural killer (NK) cells, natural killer T (NKT) cells, regulatory T (Treg) cells, and Th17 cells. RESULTS: We found a significant reduction in the absolute number of pDCs, but not of mDCs, in patients with ITP when compared with healthy controls (P < 0.001). Reduced numbers of circulating pDCs were observed in both Helicobacter pylori (H. pylori)-positive and Helicobacter pylori (H. pylori)-negative patients with ITP. In contrast, there were no significant differences in the numbers of circulating Treg cells, Th17 cells, NK cells, or NKT cells. Interestingly, we observed increases in the number of pDCs after H. pylori eradication by antibiotics in responders but not in non-responders, while pDCs and mDCs decreased markedly after prednisolone therapy in both responders and non-responders. In patients without treatment, low pDC numbers persisted during the observational period. CONCLUSIONS: We demonstrated that the number of circulating pDCs is low in patients with primary and H. pylori-associated ITP and that it changes depending on treatment modality. Further investigation is warranted with regard to the role of pDCs in the immunopathogenesis of ITP.


Asunto(s)
Células Dendríticas/citología , Infecciones por Helicobacter/inmunología , Helicobacter pylori/metabolismo , Púrpura Trombocitopénica Idiopática/inmunología , Adulto , Anciano , Anciano de 80 o más Años , Anticuerpos , Plaquetas/inmunología , Recuento de Células , Células Dendríticas/inmunología , Femenino , Infecciones por Helicobacter/complicaciones , Humanos , Sistema Inmunológico , Masculino , Persona de Mediana Edad , Púrpura Trombocitopénica Idiopática/complicaciones
15.
Rinsho Ketsueki ; 53(3): 329-36, 2012 Mar.
Artículo en Japonés | MEDLINE | ID: mdl-22499050

RESUMEN

We retrospectively investigated pathological types, clinical backgrounds, treatments and prognoses in 726 adult patients with newly diagnosed malignant lymphoma in Gunma Prefecture. They consisted of 679 patients with non-Hodgkin lymphoma (B-cell type, 603; T- and NK-cell type, 76) of which 376 patients had diffuse large B-cell lymphoma (DLBCL) and 47 patients with Hodgkin lymphoma. When comparing the prognosis of DLBCL between patients receiving rituximab (R-CHOP group; n=212) and not using rituximab (CHOP group; n=126), both 3-year overall survival (73.5% vs 61.7%, p=0.010) and 3-year progression-free survival (65.1% vs 45.8%, p<0.001) were statistically better in the R-CHOP group compared to the CHOP group. Our results suggest that more than half of patients were DLBCL and the rituximab-containing regimen results in an improved prognosis for DLBCL patients.


Asunto(s)
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Linfoma de Células B Grandes Difuso/tratamiento farmacológico , Linfoma no Hodgkin/tratamiento farmacológico , Adulto , Anciano , Anticuerpos Monoclonales de Origen Murino/administración & dosificación , Femenino , Humanos , Japón/epidemiología , Linfoma de Células B Grandes Difuso/epidemiología , Linfoma de Células B Grandes Difuso/mortalidad , Linfoma no Hodgkin/epidemiología , Linfoma no Hodgkin/mortalidad , Masculino , Persona de Mediana Edad , Pronóstico , Estudios Retrospectivos , Rituximab , Tasa de Supervivencia
16.
Nagoya J Med Sci ; 84(1): 80-90, 2022 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-35392014

RESUMEN

More than 40% of Japanese patients with multiple myeloma (MM) are over 75 years of age at diagnosis. Regardless of the treatment benefits, complications and relapses obstruct long-term survival. We conducted a phase II, open-label, single-arm, multicenter clinical trial to assess the efficacy and safety of alternating bortezomib-dexamethasone (Bd) and lenalidomide-dexamethasone (Ld) (Bd/Ld) treatment in MM patients aged over 75 years (MARBLE trial). Patients received Bd therapy from days 1 to 35 and Ld therapy from days 36 to 63. For Bd therapy, patients were administered bortezomib 1.3 mg/m2 and oral dexamethasone 20 mg on days 1, 8, 15, and 22. For Ld therapy, they were administered lenalidomide 15 mg from days 36 to 56 and dexamethasone 10 mg on days 36, 43, 50, and 57. They underwent six treatment cycles in total, each consisting of a 63-day regimen. In total, 10 patients were enrolled, with a median age of 81 years. Efficacy was not evaluated because the patients were fewer than planned. The overall response rate was 80.0% and complete response rate 40.0%. Seventy percent of patients completed the study treatment. Progression-free survival and overall survival at 2 years were 40.0% and 80.0%, respectively. Adverse events of grade 3 or higher, including anemia, decreased lymphocyte count, neutropenia, and hypokalemia, were observed in eight patients. Alternating chemotherapy with Bd/Ld might be feasible, but its efficacy should be verified further.


Asunto(s)
Mieloma Múltiple , Anciano , Anciano de 80 o más Años , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Bortezomib/efectos adversos , Dexametasona/efectos adversos , Dexametasona/uso terapéutico , Humanos , Lenalidomida/uso terapéutico , Mieloma Múltiple/diagnóstico , Mieloma Múltiple/tratamiento farmacológico , Recurrencia Local de Neoplasia/tratamiento farmacológico , Resultado del Tratamiento
17.
Front Endocrinol (Lausanne) ; 13: 880148, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35592778

RESUMEN

Objective: Type 2 diabetes is a risk factor for dementia. We investigated whether serum levels of soluble triggering receptor expressed on myeloid cell 2 (sTREM2), a soluble form of the cell surface receptor TREM2, were predictive of cognitive impairment in type 2 diabetes without obesity. Methods: A total of 166 Japanese patients with type 2 diabetes without obesity were followed-up for 2 years. We measured clinical parameters, assessed cognitive function using the mini-mental state examination (MMSE), quantified and divided serum sTREM2 levels into quartiles, and examined the longitudinal associations. Results: During the follow-up, HbA1c levels were elevated in 98 patients and decreased in 68 patients. In the HbA1c-elevated group, higher sTREM2 levels at baseline showed a significant association with a greater tendency for reduction in MMSE scores (P for trend = 0.015), whereas they were not significantly associated with other examined parameters. In the HbA1c-decreased group, there was no significant association between sTREM2 levels at baseline and changes in MMSE scores, but higher sTREM2 levels at baseline were significantly associated with a greater tendency for reduction in waist circumference (P for trend = 0.027), homeostasis model assessment of insulin resistance (P for trend = 0.039), and sTREM2 levels (P for trend = 0.023). Conclusions: Glycemic control is suggested to be important in preventing cognitive impairment in patients with type 2 diabetes without obesity. Higher serum sTREM2 levels would be a predictive marker for cognitive impairment in inadequately controlled type 2 diabetes without obesity.


Asunto(s)
Disfunción Cognitiva , Diabetes Mellitus Tipo 2 , Biomarcadores , Disfunción Cognitiva/diagnóstico , Disfunción Cognitiva/etiología , Disfunción Cognitiva/metabolismo , Diabetes Mellitus Tipo 2/complicaciones , Diabetes Mellitus Tipo 2/metabolismo , Humanos , Glicoproteínas de Membrana/metabolismo , Células Mieloides , Obesidad/complicaciones , Obesidad/metabolismo , Receptores Inmunológicos/metabolismo
18.
Endocr J ; 58(6): 449-57, 2011.
Artículo en Inglés | MEDLINE | ID: mdl-21505266

RESUMEN

Hypercholesterolemia is one of the most representative disorders of the common diseases. To evaluate the prevalence of hypothyroidism in the population of adult hypercholesterolemia, we prospectively examined the thyroid function in patients with untreated or treated hypercholesterolemia as a multi-center survey. Subjects were the patients who were treated with some antilipemic agents or the untreated patients whose total cholesterol (TC) was over 220 mg/dL and/or LDL-cholesterol (LDL-C) over 140 mg/dL. Among 737 cases recruited, 725 cases (300 males and 425 females) participated in the survey including the thyroid function test. The patient's backgrounds include hypertension (51%), diabetes mellitus (49%), fatty liver (17%), smoking (15%), and habitual drinking (10%). The 72% of the patients were treated with some antilipemic agents and the mean values of TC, LDL-C, triglyceride (TG), HDL-cholesterol (HDL-C), and LDL-C/HDL-C ratio (L/H) were 204.5 mg/dL, 119.6 mg/dL, 144.4 mg/dL, 60.7 mg/dL and 2.25, respectively. The primary hypothyroidism was seen in 27 cases (3.7%) (11 males, 16 females) with subclinical hypothyroidism in 17 cases (2.4%) and overt hypothyroidism in 10 cases (1.4%). The central hypothyroidism was seen in 4 cases (0.6%). The prevalence of hypothyroidism was 4.3% in patients with hypercholesterolemia. Taking account of the large number of patients with dyslipidemia and importance of avoiding unnecessary administration and associated adverse effects, evaluation of the thyroid function could be warranted in patients with dyslipidemia although cost-benefit issues waits further investigation.


Asunto(s)
Dislipidemias/complicaciones , Hipercolesterolemia/complicaciones , Hipotiroidismo/epidemiología , Adulto , Anciano , Dislipidemias/epidemiología , Femenino , Humanos , Hipercolesterolemia/tratamiento farmacológico , Hipercolesterolemia/epidemiología , Hipolipemiantes/uso terapéutico , Hipotiroidismo/tratamiento farmacológico , Japón/epidemiología , Masculino , Persona de Mediana Edad , Prevalencia , Estudios Prospectivos , Tirotropina/sangre , Tiroxina/sangre , Triyodotironina/sangre
19.
Kurume Med J ; 66(4): 239-246, 2021 Dec 15.
Artículo en Inglés | MEDLINE | ID: mdl-34544939

RESUMEN

Febrile neutropenia, a serious complication that can occur during the treatment of hematological malignancies, can sometimes be fatal owing to fungal infection. Prospective randomized trials indicated the utility of liposomal amphotericin B or caspofungin as an empirical antifungal therapy. Itraconazole, a broad-spectrum tri azole antifungal agent, is poorly absorbed in the intestines after oral absorption and makes it difficult to achieve a stable serum drug concentration. Therefore, an intravenous formulation might offer a potentially safer and more effective alternative. To compare the efficacy and safety of empirical antifungal therapy, patients will be randomly assigned to either the liposomal amphotericin B 3.0 mg/kg once daily group or the intravenous itraconazole 200 mg dose group with five stratification factors (disease risk, previous antifungal prophylaxis, age, sex, and institute). The primary endpoint will be overall favorable response, comprising five secondary endpoints: successful treatment of baseline infection by the end of the treatment; absence of breakthrough infection; no discontinuation of the antifungal treatment due to drug-related toxicity; fever resolution during neutropenia; and 7-day survival after termination of the antifungal treatment. The target sample size of 850 subjects is sufficient to prove the non inferiority of itraconazole compared with liposomal amphotericin B, with a non-inferiority margin of 10%, one sided significance level of 5%, and power of 90%.


Asunto(s)
Anfotericina B/efectos adversos , Antifúngicos/efectos adversos , Neoplasias Hematológicas/tratamiento farmacológico , Itraconazol/efectos adversos , Neutropenia/tratamiento farmacológico , Anfotericina B/administración & dosificación , Antifúngicos/administración & dosificación , Estudios de Equivalencia como Asunto , Fiebre de Origen Desconocido/tratamiento farmacológico , Neoplasias Hematológicas/complicaciones , Humanos , Itraconazol/administración & dosificación , Estudios Multicéntricos como Asunto , Estudios Prospectivos , Ensayos Clínicos Controlados Aleatorios como Asunto
20.
Leuk Lymphoma ; 62(4): 819-827, 2021 04.
Artículo en Inglés | MEDLINE | ID: mdl-33167741

RESUMEN

We retrospectively analyzed the risk factors for outcomes among patients with peripheral T-cell lymphoma not otherwise specified (PTCL-NOS, n = 100) and angioimmunoblastic T-cell lymphoma (AITL, n = 128) who did not receive hematopoietic stem cell transplantation between 2008 and 2018. We designed a comparison of prognostic scores specifically for PTCL-NOS and AITL. The international prognostic index (IPI) was useful for investigating the risk factors associated with outcomes among transplant-ineligible patients with PTCL-NOS (Harrell's c-statistic 0.715) and AITL (c-statistic 0.615). The prognostic index for T-cell lymphoma (PIT), modified PIT, and the International Peripheral T Cell Lymphoma Project for overall survival (OS) seemed to identify separate prognostic groups, based on visual assessment of Kaplan-Meier curves. However, better c-statistics (>0.7) were only found for the IPI score for OS in PTCL-NOS. Strategies that carefully select PTCL patients with higher IPI scores may help to identify individuals suitable for novel therapies.


Asunto(s)
Linfoma de Células T Periférico , Linfoma de Células T , Hospitales , Humanos , Japón/epidemiología , Linfoma de Células T/diagnóstico , Linfoma de Células T/epidemiología , Linfoma de Células T/terapia , Linfoma de Células T Periférico/diagnóstico , Linfoma de Células T Periférico/epidemiología , Linfoma de Células T Periférico/terapia , Pronóstico , Estudios Retrospectivos
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