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1.
Aging Med (Milton) ; 7(4): 528-534, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-39234199

RESUMO

Dementia is characterized by a progressive decline in cognition, behavioral and psychological symptoms (BPSD), and quality of life (QoL). The lack of curative therapies has led to a psychosocial discourse prioritizing QoL of people thriving with dementia (PTD). Group reminiscence therapy (RT) is a relatively inexpensive intervention, with music prompts being a preferred choice, owing to robust musical memory in the early disease stage. However, a synthesis of current evidence is needed to inform research and clinical use of group music RT in dementia care. Therefore, we conducted a systematic review on PubMed, Scopus, CINAHL, APA PsycInfo, and APA PsycArticles to critically appraise published randomized controlled trials examining group music RT to improve cognition, BPSD, and QoL in PTD. Of 14,725 articles, two RCTs involving 102 PTD were included. All studies used prerecorded music for group music RT. All studies were deemed of good quality, adhering to intention-to-treat analysis and assessor blinding. Based on the American Academy of Neurology guidelines, we assigned a Level C recommendation for group music RT for cognition and Level B recommendations for BPSD and QoL (ineffective). In conclusion, group music RT may be useful for symptomatic management in PTD. However, heterogeneous study designs, disease severity, dementia subtype, and outcome measures are likely barriers to meaningful clinical translation. Therefore, the rating of recommendations only serves as a point of reference. Future avenues include live performances as prompts for group music RT.

2.
Heliyon ; 9(11): e22128, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-38053868

RESUMO

Incessant utilization of chemical fertilizers leads to the accumulation of minerals in the soil, rendering them unavailable to plants. Unaware of the mineral reserves present in the soil, farming communities employ chemical fertilizers once during each cultivation, a practice that causes elevated levels of insoluble minerals within the soil. The use of biofertilizers on the other hand, reduces the impact of chemical fertilizers through the action of microorganisms in the product, which dissolves minerals and makes them readily available for plant uptake, helping to create a sustainable environment for continuous agricultural production. In the current investigation, a field trial employing Arachis hypogaea L was conducted to evaluate the ability of Pseudomonas aeruginosa to enhance plant growth and development by solubilizing minerals present in the soil (such as zinc and phosphorus). A Randomized Complete Block Design (RCBD) included five different treatments as T1: Un inoculated Control; T2: Seeds treated with a liquid formulation of P. aeruginosa; T3: Seeds treated with a liquid formulation of P. aeruginosa and the soil amended with organic manure (farmyard); T4: Soil amended with organic manure (farmyard) alone; T5: Seeds treated with lignite (solid) based formulation of P. aeruginosa were used for the study. Efficacy was determined based on the plant's morphological characters and mineral contents (Zn and P) of plants and soil. Survival of P. aeruginosa in the field was validated using Antibiotic Intrinsic patterns (AIP). The results indicated that the combination treatment of P. aeruginosa liquid formulation and organic fertilizer (farmyard) (T3) produced the highest biometric parameters and mineral (Zn and P) content of the groundnut plants and the soil. This outcome is likely attributed to the mineral solubilizing capability of P. aeruginosa. Furthermore, the presence of farmyard manure increased the metabolic activity of P. aeruginosa by inducing its heterotrophic activity, leading to higher mineral content in T3 soil compared to other soil treatments. The AIP data confirmed the presence of the applied liquid inoculant by exhibiting a similar intrinsic pattern between the in vitro isolate and the isolate obtained from the fields. In summary, the Zn and P solubilization ability of P. aeruginosa facilitates the conversion of soil-unavailable mineral form into a form accessible to plants. It further proposes the utilization of the liquid formulation of P. aeruginosa as a viable solution to mitigate the challenges linked to solid-based biofertilizers and the reliance on mineral-based chemical fertilizers.

3.
Materials (Basel) ; 16(15)2023 Aug 02.
Artigo em Inglês | MEDLINE | ID: mdl-37570124

RESUMO

Compared to conventional metal oxide nanoparticles, metal oxide nanocomposites have demonstrated significantly enhanced efficiency in various applications. In this study, we aimed to synthesize zinc oxide-copper oxide nanocomposites (ZnO-CuO NCs) using a green synthesis approach. The synthesis involved mixing 4 g of Zn(NO3)2·6H2O with different concentrations of mangosteen (G. mangostana) leaf extract (0.02, 0.03, 0.04 and 0.05 g/mL) and 2 or 4 g of Cu(NO3)2·3H2O, followed by calcination at temperatures of 300, 400 and 500 °C. The synthesized ZnO-CuO NCs were characterized using various techniques, including a UV-Visible spectrometer (UV-Vis), photoluminescence (PL) spectroscopy, Fourier Transform Infrared (FTIR) spectroscopy, X-ray powder diffraction (XRD) analysis and Field Emission Scanning Electron Microscope (FE-SEM) with an Energy Dispersive X-ray (EDX) analyzer. Based on the results of this study, the optical, structural and morphological properties of ZnO-CuO NCs were found to be influenced by the concentration of the mangosteen leaf extract, the calcination temperature and the amount of Cu(NO3)2·3H2O used. Among the tested conditions, ZnO-CuO NCs derived from 0.05 g/mL of mangosteen leaf extract, 4 g of Zn(NO3)2·6H2O and 2 g of Cu(NO3)2·3H2O, calcinated at 500 °C exhibited the following characteristics: the lowest energy bandgap (2.57 eV), well-defined Zn-O and Cu-O bands, the smallest particle size of 39.10 nm with highest surface area-to-volume ratio and crystalline size of 18.17 nm. In conclusion, we successfully synthesized ZnO-CuO NCs using a green synthesis approach with mangosteen leaf extract. The properties of the nanocomposites were significantly influenced by the concentration of the plant extract, the calcination temperature and the amount of precursor used. These findings provide valuable insights for researchers seeking innovative methods for the production and utilization of nanocomposite materials.

4.
Intern Med J ; 53(4): 540-549, 2023 04.
Artigo em Inglês | MEDLINE | ID: mdl-34668307

RESUMO

BACKGROUND: There is an absence of clinically relevant epidemiological data in regional Australia pertaining to haematological malignancies. AIM: To determine the incidence and geographical variation of haematological malignancies in North Queensland using a clinically appropriate disease classification. METHODS: Retrospective, observational study of individual patient data records of all adults diagnosed with a haematological malignancy between 2005 and 2014 and residing within The Townsville Hospital Haematology catchment region. We report descriptive summaries, incidence rates and incidence-rate ratios of haematological malignancies by geographic regions. RESULTS: One thousand, five hundred and eighty-one haematological malignancies (69% lymphoid, 31% myeloid) were diagnosed over the 10-year study period. Descriptive data are presented for 58 major subtypes, as per the WHO diagnostic classification of tumours of haemopoietic and lymphoid tissues. The overall median age at diagnosis was 66 years with a male predominance (60%). We demonstrate a temporal increase in the incidence of haematological malignancies over the study period. We observed geographical variations in the age-standardised incidence rates per 100 000 ranging from 0.5 to 233.5. Our data suggest an increased incidence rate ratio for haematological malignancies in some postcodes within the Mackay area compared with other regions. CONCLUSION: The present study successfully reports on the incidence of haematological malignancies in regional Queensland using a clinically meaningful diagnostic classification system and identifies potential geographic hotspots. We advocate for such contemporary, comprehensive and clinically meaningful epidemiological data reporting of blood cancer diagnoses in wider Australia. Such an approach will have significant implications towards developing appropriate data-driven management strategies and public health responses for haematological malignancies.


Assuntos
Neoplasias Hematológicas , Neoplasias , Adulto , Humanos , Masculino , Idoso , Feminino , Estudos Retrospectivos , Queensland/epidemiologia , Neoplasias Hematológicas/epidemiologia , Neoplasias/epidemiologia , Incidência
5.
Preprint em Inglês | medRxiv | ID: ppmedrxiv-22282565

RESUMO

BackgroundThis COVID-19 pandemic has caused unprecedented morbidity, mortality, and global economic instability. Several approved vaccines demonstrated to be effective prevention against COVID-19. We aimed to evaluate the safety and immunogenicity of the PIKA-adjuvanted recombinant SARS-C0V-2 Spike (S) protein subunit vaccine in adults as a primary immunization and as a booster dose against SARS-C0V-2 infection. MethodsThis was a Phase I, open label, dose-escalation study of 3 dose levels of the SARS-CoV-2 spike antigen administered intramuscularly in combination with a fixed dosage of PIKA adjuvant vaccine to evaluate the safety, tolerability, and immunogenicity of PIKA COVID-19 vaccine candidate in healthy adults. The study planned to have 3 arms: Arm A included subjects who had never received any Covid 19 vaccination or have had Covid 19 infection for > 6 months prior to enrolment, Arm B1 included subjects who had completed their primary series of Covid 19 vaccination with an inactivated Covid 19 vaccine and Arm B2 which included subjects whose primary series was completed with mRNA Covid 19 vaccine. The primary safety outcome was adverse events and safety laboratory parameters, and the secondary immunogenicity outcome was neutralizing antibody geometric mean titers and seroconversion rates against the wild type virus, Delta and Omicron variants. This trial is registered with ClinicalTrials.gov, number NCT05305300. FindingsThis interim analysis report presented the results of Arm A and Arm B1 who completed Day 35 for 2 doses in Arm A and Day 28 for a single booster dose in Arm B1. Safety resultsArm A: 60% of participants reported mainly solicited AEs after first and second vaccine. Most of those were local (mainly pain/tenderness) with few systemic (mainly fever and headaches). The majority of participants reported unsolicited events after vaccine which were mainly investigations in hematology/hepatobiliary/Renal or Urine tract infection urine analysis. At least 80% of the participants reported mild AEs. There were 4 SAEs that were mild and were resolved. Also there were 2 medically attended AEs. Arm B1: Less than 50% of the participants reported solicited adverse events which were mainly local (pain and tenderness) and were mild. Also, less than half of the participants reported unsolicited events which were mainly inves-tigations in hematology/hepatobiliary/Renal or Urine tract infection urine analysis. There were no SAE and Medically attended AEs reported. Immunogenicity resultsArm A: The neutralizing antibody GMTs at day 35 were substantially higher than those at baseline for all dose groups and all variants. Seroconversion rates at 35 days ranged between 85.7% and 92.9% for 5g dose group, 92.9% and 100% for the 10g dose group and between 70% and 80% for the high dose group. Arm B1: Similar to Arm A, neutralizing antibody GMTs at day 28 were substantially higher than those at baseline for all dose groups and all variants. Seroconversion rates at 28 days ranged between 92.9% and 100% for 5g dose group, 80% and 100% for the 10g dose group and between 50% and 64.3% for the high dose group. ConclusionThe findings demonstrated that the PIKA Covid 19 vaccine is safe, well tolerated, immunogenic and can be used as a primary vaccination or as a booster dose in participants who had completed an inactivated Covid 19 vaccination series. A comparison of the immune responses presented in this interim analysis showed that geometric mean titer (GMTs) of neutralizing antibody against wild type of SARS-CoV-2 virus, Delta and Omicron of the 5g group was higher than the 10 g and 20 g, therefore the 5g was selected as the recommended dose for the Phase II and III clinical development of the PIKA Covid 19 vaccine.

6.
Nanomaterials (Basel) ; 12(20)2022 Oct 13.
Artigo em Inglês | MEDLINE | ID: mdl-36296778

RESUMO

Synthesis of copper oxide (CuO) nanostructures via biological approach has gained attention to reduce the harmful effects of chemical synthesis. The CuO nanostructures were synthesized through a green approach using the Garcinia mangostana L. leaf extract and copper (II) nitrate trihydrate as a precursor at varying calcination temperatures (200-600 °C). The effect of calcination temperatures on the structural, morphological and optical properties of CuO nanostructures was studied. The red shifting of the green-synthesized CuO nanoparticles' absorption peak was observed in UV-visible spectrum, and the optical energy bandgap was found to decrease from 3.41 eV to 3.19 eV as the calcination temperatures increased. The PL analysis shown that synthesized CuO NPs calcinated at 500 °C has the maximum charge carriers separation. A peak located at 504-536 cm-1 was shown in FTIR spectrum that indicated the presence of a copper-oxygen vibration band and become sharper and more intense when increasing the calcination temperature. The XRD studies revealed that the CuO nanoparticles' crystalline size was found to increase from 12.78 nm to 28.17 nm, and dislocation density decreased from 61.26 × 1014 cm-1 to 12.60 × 1014 cm-1, while micro strain decreased from 3.40 × 10-4 to 1.26 × 10-4. From the XPS measurement, only CuO single phase without impurities was detected for the green-mediated NPs calcinated at 500 °C. The morphologies of CuO nanostructures were examined using FESEM and became more spherical in shape at elevated calcination temperature. More or less spherical nanostructure of green-mediated CuO calcinated at 500 °C were also observed using TEM. The purity of the green-synthesized CuO nanoparticles was evaluated by EDX analysis, and results showed that increasing calcination temperature increases the purity of CuO nanoparticles.

7.
Materials (Basel) ; 14(21)2021 Oct 25.
Artigo em Inglês | MEDLINE | ID: mdl-34771914

RESUMO

In this study, phytochemical assisted nanoparticle synthesis was performed using Muntingia calabura leaf extracts to produce copper oxide nanoparticles (CuO NPs) with interesting morphology. Scanning electron microscope (SEM) and transmission electron microscope (TEM) analysis of the biosynthesized CuO NPs reveal formation of distinct, homogeneous, and uniform sized CuO nanorods structure with thickness and length of around 23 nm and 79 nm, respectively. Based on Fourier-transform infrared (FTIR) analysis, the unique combinations of secondary metabolites such as flavonoid and polyphenols in the plant extract are deduced to be effective capping agents to produce nanoparticles with unique morphologies similar to conventional chemical synthesis. X-ray diffraction (XRD) analysis verified the monoclinical, crystalline structure of the CuO NPs. The phase purity and chemical identity of the product was consolidated via X-Ray photoelectron spectroscopy (XPS) and Raman spectroscopic data which indicate the formation of a single phase CuO without the presence of other impurities. The direct and indirect optical band gap energies of the CuO nanorods were recorded to be 3.65 eV and 1.42 eV.

8.
Intern Med J ; 51(8): 1321-1323, 2021 08.
Artigo em Inglês | MEDLINE | ID: mdl-34423546

RESUMO

Australia and New Zealand have achieved excellent community control of COVID-19 infection. In light of the imminent COVID-19 vaccination roll out in both countries, representatives of all adult and paediatric allogeneic bone marrow transplant and cellular therapy (TCT) centres as well as representatives from autologous transplant only centres in Australia and New Zealand collaborated with infectious diseases specialists with expertise in TCT on this consensus position statement regarding COVID-19 vaccination in TCT patients in Australia and New Zealand. It is our recommendation that TCT patients, should have expedited access to high-efficacy COVID-19 vaccines given that these patients are at high risk of morbidity and mortality from COVID-19 infection. We also recommend prioritising vaccination of TCT healthcare workers and household members of TCT patients. Vaccination should not replace other public health measures in TCT patients given the effectiveness of COVID-19 vaccination in TCT patients is unknown. Furthermore, given the limited available data, prospective collection of safety and efficacy data of COVID-19 vaccination in this patient group is a priority.


Assuntos
Vacinas contra COVID-19 , COVID-19 , Transplantados , Adulto , Austrália/epidemiologia , COVID-19/prevenção & controle , Criança , Consenso , Humanos , Nova Zelândia/epidemiologia , Estudos Prospectivos , Vacinação
9.
Biol Blood Marrow Transplant ; 26(12): 2252-2261, 2020 12.
Artigo em Inglês | MEDLINE | ID: mdl-32861814

RESUMO

To review the updated trends of national practice and outcomes in transplantation to treat myelofibrosis (MF), we retrospectively evaluated 142 patients who underwent allogeneic hematopoietic stem cell transplantation (allo-HSCT) for primary (n = 94) or secondary (n = 48) MF at an Australian/New Zealand transplantation center between 2006 and 2017. The median duration of follow-up was 51.8 months (range, 3.1 to 148 months). The median age at allo-HSCT was 56 years (range, 26 to 69 years). Fifty-two percent of the patients had HLA-identical sibling donors, and 45% had matched unrelated donors (UD). Conditioning regimens were predominantly reduced intensity (83%). Before transplantation, 16% of the patients had undergone splenectomy or splenic irradiation, and 38% (n = 54) received JAK inhibitor therapy. JAK2 mutation testing was performed in 66.9% of the patients, whereas other mutations (CALR, MPL, ASXL1, SRSF2, U2AF1Q57, EZH2, and IDH1/2) were rarely tested (1.4% to 8.4%). Only 4.2% of patients had next-generation sequencing mutation analysis. The median time to neutrophil engraftment was 19 days (range, 10 to 43 days), and the median time to platelet engraftment was 27 days (range, 13 to 230 days). The cumulative incidence of grade II-IV acute graft-versus-host disease (aGVHD) was 21.4% at 100 days, and that of extensive chronic GVHD (cGVHD) at 5 years was 18.1%. Overall survival (OS) was 67% at 1 year and 57% at 5 years. GVHD-free, relapse-free survival was 54% at 1 year and 42% at 5 years. The cumulative incidence of nonrelapse mortality (NRM) was 16% at 100 days and 25% at 1 year. In multivariate analysis, age ≥65 years and use of an UD were identified as significant unfavorable risk factors for OS and NRM. Use of an UD increased the incidence of aGVHD, whereas administration of antithymocyte globulin/alemtuzumab lowered the risk of both aGVHD and cGVHD. Pretransplantation splenectomy/splenic irradiation had a positive influence on time to engraftment. There have been no improvements in the outcomes of allo-HSCT for MF in Australasia over the last decade, with a low uptake of molecular genomic technology due to limited access to funding.


Assuntos
Doença Enxerto-Hospedeiro , Transplante de Células-Tronco Hematopoéticas , Mielofibrose Primária , Idoso , Austrália , Humanos , Recidiva Local de Neoplasia , Mielofibrose Primária/genética , Mielofibrose Primária/terapia , Sistema de Registros , Estudos Retrospectivos , Condicionamento Pré-Transplante
10.
Front Pharmacol ; 11: 1105, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32848737

RESUMO

Hyaluronic acid (HA), a major component of extracellular matrix has been widely applied in pharmaceutical and cosmetic industries due to its reported pharmacological properties. Various types of HA drug delivery system including nanoparticles, cryogel-based formulations, microneedle patches, and nano-emulsions were developed. There are studies reporting that several HA-based transdermal delivery systems exhibit excellent biocompatibility, enhanced permeability and efficient localized release of anti-psoriasis drugs and have shown to inhibit psoriasis-associated skin inflammation. Similarly HA is found in abundant at epidermis of atopic dermatitis (AD) suggesting its role in atopic AD pathology. Anti-allergenic effect of atopic eczema can be achieved through the inhibition of CD44 and protein kinase C alpha (PKCα) interaction by HA. Herein, we aim to evaluate the current innovation on HA drug delivery system and the other potential applications of HA in inflammatory skin diseases, focusing on atopic dermatitis and psoriasis. HA is typically integrated into different delivery systems including nanoparticles, liposomes, ethosomes and microneedle patches in supporting drug penetration through the stratum corneum layer of the skin. For instance, ethosomes and microneedle delivery system such as curcumin-loaded HA-modified ethosomes were developed to enhance skin retention and delivery of curcumin to CD44-expressing psoriatic cells whereas methotrexate-loaded HA-based microneedle was shown to enhance skin penetration of methotrexate to alleviate psoriasis-like skin inflammation. HA-based nanoparticles and pluronic F-127 based dual responsive (pH/temperature) hydrogels had been described to enhance drug permeation through and into the intact skin for AD treatment.

13.
Intern Med J ; 50(2): 214-221, 2020 02.
Artigo em Inglês | MEDLINE | ID: mdl-32037713

RESUMO

BACKGROUND: The Townsville Hospital is a tertiary hospital in North Queensland with one of the largest regional transplant centres in Australia, performing primarily autologous haemopoietic stem cell transplants (HSCT) for various haematological malignancies. AIMS: This single-centre, retrospective, observational study aims to describe the activity and outcomes of autologous HSCT at The Townsville Hospital between 2003 and 2017 to verify safety standards. METHODS: Patient-level data were collected, including demographics, frequency and indication for transplant, conditioning, current clinical status and cause of death. Key outcomes included overall survival, non-relapse mortality, incidence of therapy-related neoplasm and causes of death. Progression-free survival in the multiple myeloma (MM) subgroup was also assessed. RESULTS: There were 319 autologous HSCT in 286 patients, with a median age of 58 years (range 14-71 years); 62% of patients were male. Indications for transplantation were: MM 53.7%, non-Hodgkin lymphoma 29.4%, Hodgkin lymphoma 5.0% and other 11.9%. Causes of death were: disease progression/relapse (65.2%), second malignancy (17.0%), infection (9.8%) and other (8.0%). Non-relapse mortality was 1.2% (95% confidence interval 0.4-3.0) and 3.2% (1.7-5.7) at 100 days and 1 year, respectively, post-HSCT. Overall survival at 2 years was 81.0% (73.8-86.4) for MM and 69.6% (58.8-78.1) for non-Hodgkin lymphoma. The median progression-free survival in the MM cohort was 3.3 years. CONCLUSION: The Townsville Hospital transplant centre provides an important transplant service in regional Queensland, with outcomes comparable to national data. We reported a relatively high rate of second malignancy as a cause of death.


Assuntos
Transplante de Células-Tronco Hematopoéticas/mortalidade , Doença de Hodgkin/cirurgia , Linfoma não Hodgkin/cirurgia , Mieloma Múltiplo/cirurgia , Adolescente , Adulto , Idoso , Intervalo Livre de Doença , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Queensland/epidemiologia , Estudos Retrospectivos , Transplante Autólogo , Adulto Jovem
14.
Support Care Cancer ; 28(3): 1249-1254, 2020 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-31227990

RESUMO

PURPOSE: The aim of this descriptive study was to assess the prevalence of vitamin D deficiency in patients on active therapy for multiple myeloma in a tropical climate. We also tested for the association of vitamin D status on clinical outcomes. METHODS: This was a single centre, observational study performed in Townsville, Australia, which has a sunlight heavy, tropical climate. Patients on active therapy for multiple myeloma underwent testing of serum 25-hydroxyvitamin D (25(OH)D). Information on disease stage, skeletal morbidity and symptoms of peripheral neuropathy were collected from medical records and self-reported patient questionnaires. RESULTS: A total of 41 patients were included. With a median disease duration of 38 months, 27% were found to be vitamin D deficient. Patients with vitamin D deficiency had a higher likelihood of peripheral neuropathy compared with their non-vitamin D counterparts (73% vs. 33%, P = 0.03). Although those with vitamin D deficiency had more skeletal morbidity, this was not statistically significant (73% vs 50%, P = 0.19). Reduced 25(OH) D was associated with a poor performance status (P = 0.003). There was no association between vitamin D status and stage of myeloma. CONCLUSION: There is a relatively high prevalence of vitamin D deficiency in patients with myeloma in our study. This is despite a sunlight heavy, tropical climate. We report an association between vitamin D deficiency and peripheral neuropathy. Prospective interventional trials are required to further assess this.


Assuntos
Mieloma Múltiplo/complicações , Deficiência de Vitamina D/etiologia , Idoso , Austrália , Feminino , Humanos , Masculino , Prevalência , Estudos Retrospectivos , Deficiência de Vitamina D/sangue
15.
Clin Pharmacol Drug Dev ; 6(6): 556-563, 2017 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-28940840

RESUMO

LY2963016 (LY IGlar) and Lantus (IGlar) are insulin glargine products with identical amino acid sequences. This was a phase 1 single-site, randomized, subject- and investigator-blinded, 4-treatment, 4-period crossover study to compare the pharmacokinetic (PK) and pharmacodynamic (PD) properties of LY IGlar and IGlar at 2 different doses. Fasted healthy subjects were randomly assigned to receive 2 single doses of LY IGlar and IGlar (0.3 and 0.6 U/kg for each product). Blood samples were collected up to 24 hours postdose to assess PK, and a euglycemic clamp lasting up to 24 hours postdose was conducted to assess PD. Twenty-four healthy subjects aged 23 to 52 years participated in the study. The primary PK parameters (area under the concentration versus time curve from 0 to 24 hours [AUC0-24 ] and maximum observed drug concentration [Cmax ]) and PD parameters (total amount of glucose infused during the clamp [Gtot ] and maximum glucose infusion rate [Rmax ]) were not statistically different between LY IGlar and IGlar at either dose. No safety concerns were noted with either drug. The study demonstrated that the PK and PD parameters for LY IGlar and IGlar were comparable following single doses at both 0.3 and 0.6 U/kg.


Assuntos
Hipoglicemiantes/administração & dosagem , Insulina Glargina/análogos & derivados , Adulto , Área Sob a Curva , Estudos Cross-Over , Relação Dose-Resposta a Droga , Método Duplo-Cego , Feminino , Técnica Clamp de Glucose , Humanos , Hipoglicemiantes/farmacocinética , Hipoglicemiantes/farmacologia , Insulina Glargina/administração & dosagem , Insulina Glargina/farmacocinética , Insulina Glargina/farmacologia , Masculino , Pessoa de Meia-Idade , Adulto Jovem
16.
Biomedicines ; 4(3)2016 Aug 19.
Artigo em Inglês | MEDLINE | ID: mdl-28536387

RESUMO

Pancreatic cancer is an aggressive disease with a five year survival rate of less than 5%, which is associated with late presentation. In recent years, research into nanomedicine and the use of nanoparticles as therapeutic agents for cancers has increased. This article describes the latest developments in the use of nanoparticles, and evaluates the risks and benefits of nanoparticles as an emerging therapy for pancreatic cancer. The Preferred Reporting Items of Systematic Reviews and Meta-Analyses checklist was used. Studies were extracted by searching the Embase, MEDLINE, SCOPUS, Web of Science, and Cochrane Library databases from inception to 18 March 2016 with no language restrictions. Clinical trials involving the use of nanoparticles as a therapeutic or prognostic option in patients with pancreatic cancer were considered. Selected studies were evaluated using the Jadad score for randomised control trials and the Therapy CA Worksheet for intervention studies. Of the 210 articles found, 10 clinical trials including one randomised control trial and nine phase I/II clinical trials met the inclusion criteria and were analysed. These studies demonstrated that nanoparticles can be used in conjunction with chemotherapeutic agents increasing their efficacy whilst reducing their toxicity. Increased efficacy of treatment with nanoparticles may improve the clinical outcomes and quality of life in patients with pancreatic cancer, although the long-term side effects are yet to be defined. The study registration number is CRD42015020009.

17.
J Orthop Surg (Hong Kong) ; 23(1): 62-5, 2015 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-25920647

RESUMO

PURPOSE: To report the outcome of a technique combining direct anatomic reconstruction of the anterior talofibular ligament (ATFL) with augmented reconstruction using the peroneus brevis tendon fixed by a bio-absorbable interference screw. METHODS: 13 men and 2 women aged 17 to 36 (mean, 24) years with recurrent inversion injuries of the right (n=5) and left (n=10) ankles underwent lateral ankle reconstruction by a single surgeon. All patients had a positive anterior drawer test and heel eversion stress test, and some degree of tenderness to palpation over the anterolateral joint capsule. All patients had complete or partial tear of the ATFL and the calcaneofibular ligament, except for one. The torn ligaments were repaired anatomically and reinforced with a split peroneus brevis tendon rerouted through the fibula and fixed with a bioabsorbable interference screw. The outcome was assessed using the American Orthopaedic Foot and Ankle Society (AOFAS) ankle and hindfoot score and the Foot and Ankle Outcome Score (FAOS) at 6 months. RESULTS: The mean time from injury to surgery was 40.5 months. The mean follow-up duration was 13.6 (range, 6-26) months. No patient had surgical or wound complications. The mean AOFAS ankle and hindfoot score was 91.5 (median, 93; range, 79-100). The mean FAOS was 78.8 (median, 77; range, 61-100). 10 patients had no limitation in both daily and recreational activities; 3 had limitation in recreational activities, and 2 had limitation in both. 12 patients had normal and 3 had moderate limitation in hindfoot motion. One patient had hindfoot instability. CONCLUSION: The combination of augmented and direct anatomic reconstructions enables early mobilisation despite limitation in hindfoot motion and is a viable option for chronic hindfoot instability.


Assuntos
Traumatismos do Tornozelo/cirurgia , Articulação do Tornozelo/cirurgia , Instabilidade Articular/cirurgia , Ligamentos Laterais do Tornozelo/lesões , Ligamentos Laterais do Tornozelo/cirurgia , Tendões/cirurgia , Adolescente , Adulto , Parafusos Ósseos , Feminino , Humanos , Masculino , Procedimentos de Cirurgia Plástica , Adulto Jovem
18.
Br J Clin Pharmacol ; 78(6): 1334-42, 2014 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-25039273

RESUMO

AIM: The aim of this study was to assess the safety and tolerability, pharmacokinetics and pharmacodynamics of LY3000328 when administered as single escalating doses to healthy volunteers. METHODS: This was a phase 1, placebo-controlled, dose escalation study with LY3000328 in 21 healthy male volunteers. Subjects were administered escalating LY3000328 doses up to 300 mg with food in this single dose study. Blood samples were collected at set times post-dose for the assessment of LY3000328 pharmacokinetics and the measurement of cathepsin S (CatS) activity, CatS mass and calculated CatS specific activity. RESULTS: All doses of LY3000328 were well tolerated, with linear pharmacokinetics up to the 300 mg dose. The pharmacodynamic activity of LY3000328 was measured ex vivo showing a biphasic response to LY3000328, where CatS activity declines, then returns to baseline, and then increases to a level above baseline. CatS mass was also assessed post-dose which increased in a dose-dependent manner, and continued to increase after LY3000328 had been cleared from the body. CatS specific activity was additionally calculated to normalize CatS activity for changes in CatS mass. This demonstrated the increase in CatS activity was attributable to the increase in CatS mass detected in plasma. CONCLUSION: A specific inhibitor of CatS which is cleared quickly from plasma may produce a transient decrease in plasma CatS activity which is followed by a more prolonged increase in plasma CatS mass which may have implications for the future clinical development of inhibitors of CatS.


Assuntos
Benzopiranos/farmacocinética , Carbamatos/farmacocinética , Catepsinas/antagonistas & inibidores , Inibidores de Proteases/farmacocinética , Adulto , Benzopiranos/farmacologia , Carbamatos/farmacologia , Catepsinas/metabolismo , Humanos , Masculino , Pessoa de Meia-Idade
19.
Leuk Lymphoma ; 55(12): 2801-7, 2014 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-24528220

RESUMO

Adolescents and adults with acute lymphoblastic leukemia/lymphoma (ALL) have better outcomes when treated using pediatric protocols compared with treatment using adult protocols. We reviewed the progress and outcomes of 40 adolescents and adults up to 45 years of age, from three Australian centers, treated on the intensive French group for childhood ALL (FRALLE)-93 pediatric protocol. All except one patient achieved a morphologic complete remission following induction chemotherapy. Three-year overall survival for all-risk and standard-risk disease was 70% and 75%, respectively. The treatment protocol was generally well tolerated with no treatment related mortality. The FRALLE-93 pediatric protocol showed excellent overall survival for patients with standard-risk disease, without the need for allogeneic hematopoietic stem cell transplant in first remission.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Leucemia-Linfoma Linfoblástico de Células Precursoras/mortalidade , Leucemia-Linfoma Linfoblástico de Células Precursoras/terapia , Adolescente , Adulto , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Quimioterapia de Consolidação , Feminino , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Humanos , Quimioterapia de Indução , Quimioterapia de Manutenção , Masculino , Pessoa de Meia-Idade , Leucemia-Linfoma Linfoblástico de Células Precursoras/diagnóstico , Fatores de Risco , Transplante Homólogo , Resultado do Tratamento , Adulto Jovem
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