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McIntyre RS, Davis B, Rodgers J, Rekeda L, Adams J, Yatham LN. Cariprazine as a maintenance therapy in the prevention of mood episodes in adults with bipolar I disorder. Bipolar Disord 2024. [PMID: 38609342 DOI: 10.1111/bdi.13421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/14/2024]
Abstract
INTRODUCTION Cariprazine treats acute manic and depressive episodes in bipolar I disorder (BP-I), but its efficacy in preventing relapse of mood episode remains unknown. METHODS In this phase 3b, double-blind, placebo-controlled study, patients with BP-I with acute manic or depressive episodes (each with/without mixed features), were treated with cariprazine 3.0 mg/day during a 16-week open-label treatment period; those who achieved stable remission within 8 weeks and remained stable for at least another 8 weeks were randomized to receive cariprazine 1.5 or 3.0 mg per day or placebo in the double-blind treatment period for up to 39 weeks. The primary efficacy endpoint was time to relapse of any mood episode. Adverse events (AEs) were assessed. RESULTS Patients (440/896) enrolled in the open-label treatment period achieved stability criteria and were randomized to receive cariprazine 3.0 mg/day (n = 148), cariprazine 1.5 mg/day (n = 147), or placebo (n = 145) in the double-blind treatment period. Relapse rates were 17.9%, 16.8%, and 19.7% in the cariprazine 3.0 mg/day, cariprazine 1.5 mg/day, and placebo groups, respectively. Neither dose of cariprazine was more effective than placebo on the primary outcome (3.0 mg/day: HR = 0.89, [95% CI: 0.5, 1.5]; 1.5 mg/day: HR = 0.83, 95% CI [0.5, 1.4]). The most frequently reported AEs (≥5%) were akathisia, headache, insomnia, and nausea in the open-label treatment period and increased weight and insomnia in the double-blind treatment period. In the open-label and double-blind treatment periods, 7.5% and 1.6% of patients experienced an AE leading to discontinuation. CONCLUSION Cariprazine was not superior to placebo in the prevention of relapses in this study. Relapse rates were unusually low in the placebo group. Cariprazine was well-tolerated.
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Affiliation(s)
| | - Bethany Davis
- Accelerated Enrollment Solutions, Atlanta, Georgia, USA
| | | | | | | | - Lakshmi N Yatham
- Department of Psychiatry, Institute of Mental Health, University of British Columbia, Vancouver, Canada
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Griffiths C, Radley D, Gately P, South J, Sanders G, Morris MA, Clare K, Martin A, Heppenstall A, McCann M, Rodgers J, Nobles J, Coggins A, Cooper N, Cooke C, Gilthorpe MS, Ells L. A complex systems approach to obesity: a transdisciplinary framework for action. Perspect Public Health 2023; 143:305-309. [PMID: 37395317 PMCID: PMC10683338 DOI: 10.1177/17579139231180761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Affiliation(s)
- C Griffiths
- Obesity Institute, School of Sport, Leeds Beckett University, Headingly Campus, Leeds LS6 3QS, Yorkshire, UK
| | - D Radley
- Obesity Institute, School of Sport, Leeds Beckett University, Leeds, UK
| | - P Gately
- Obesity Institute, School of Sport, Leeds Beckett University, Leeds, UK
| | - J South
- Centre for Health Promotion Research, School of health, Leeds Beckett University, UK
| | - G Sanders
- Obesity Institute, School of Sport, Leeds Beckett University, Leeds, UK
| | - MA Morris
- Leeds Institute for Data Analytics and Leeds Institute for Medical Research, University of Leeds, Leeds, UK
| | - K Clare
- Obesity Institute, School of Health, Leeds Beckett University, Leeds, UK
| | - A Martin
- Leeds Institute of Health Sciences, School of Medicine, University of Leeds, Leeds, UK
| | - A Heppenstall
- School of Political and Social Sciences, MRC/CSO Social and Public Health Sciences Unit, University of Glasgow, Glasgow, UK
| | - M McCann
- MRC/CSO Social and Public Health Sciences Unit, University of Glasgow, Glasgow, UK
| | - J Rodgers
- International Business School, Teesside University, Middlesbrough, UK
| | - J Nobles
- Obesity Institute, School of Health, Leeds Beckett University, Leeds, UK
| | - A Coggins
- Essex County Council, Chelmsford, UK
| | - N Cooper
- Suffolk County Council, Ipswich, UK
| | - C Cooke
- Obesity Institute, School of Sport, Leeds Beckett University, UK
| | - MS Gilthorpe
- Obesity Institute, School of Sport, Leeds Beckett University, Leeds, UK
| | - L Ells
- Obesity Institute, School of Health, Leeds Beckett University, Leeds, UK
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Lee WR, Dignam JJ, Amin M, Bruner DW, Low D, Swanson GP, Shah AB, D'Souza DP, Michalski JM, Dayes I, Seaward SA, Hall WA, Nguyen PL, Pisansky TM, Faria SL, Chen Y, Rodgers J, Sandler HM. Long-Term Follow-Up Analysis of NRG Oncology RTOG 0415: A Randomized Phase III Non-Inferiority Study Comparing Two Fractionation Schedules in Patients with Favorable-Risk Prostate Cancer. Int J Radiat Oncol Biol Phys 2023; 117:S3-S4. [PMID: 37784471 DOI: 10.1016/j.ijrobp.2023.06.209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) To assess whether the efficacy of a hypofractionated (H) schedule is no worse than a conventional (C) schedule in men with low-risk prostate cancer. MATERIALS/METHODS Accrual began April 2006 and ended in December 2009. 1115 men with favorable-risk prostate cancer were randomly assigned 1:1 to a conventional (C) schedule (73.8 Gy in 41 fractions over 8.2 weeks) or to a hypofractionated (H) schedule (70 Gy in 28 fractions over 5.6 weeks). The trial was designed to establish with 90% power and alpha = 0.05 that (H) results in 5-year disease-free survival (DFS) that is not lower than (C) by more than 7% (hazard ratio (HR) < 1.52). Protocol specified secondary endpoints evaluated for noninferiority include: biochemical recurrence (BR), local progression, disease-specific survival, and overall survival. RESULTS One thousand ninety-two protocol eligible men were analyzed: 542 to C and 550 to H. Median follow-up is 12.75 years. Baseline characteristics were not different according to treatment arm. The estimated 12-year DFS is 56.1% (95% CI 51.5, 60.5) in the C arm and 61.8% (57.2, 66.0) in the H arm. The DFS hazard ratio (H/C) is 0.85 (0.71-1.03), confirming non-inferiority (p<0.001). Twelve-year cumulative incidence of biochemical recurrence (BR) was 17.0% (CI 13.8, 20.5) in the C-RT and 9.9% (CI 7.5, 12.6) in the H-RT arm; (HR = 0.56, (0.40-0.78) suggesting improved efficacy with H. Additional pre-specified secondary endpoints were non-inferior Late Grade ≥ 3 GI toxicity is 3.2% (C) vs. 4.4% (H), Relative risk (RR) for H vs. C 1.39 (CI 0.75, 2.55) Late Grade ≥ 3 GU toxicity is 3.4% (C) vs. 4.2% (H), RR = 1.26 (CI 0.69, 2.30). CONCLUSION In men with favorable-risk prostate cancer, long-term disease-free survival is non-inferior with 70 Gy in 28 fractions compared to 73.8 Gy in 41 fractions. The risk of BR is reduced with moderate hypofractionation. No differences in late Grade ≥3 GI/GU toxicity were observed between the arms. (ClinicalTrials.gov identifier: NCT00331773).
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Affiliation(s)
- W R Lee
- Duke University Medical Center, Department of Radiation Oncology, Durham, NC
| | - J J Dignam
- NRG Oncology Statistics and Data Management Center, Philadelphia, PA
| | - M Amin
- University of Tennessee Health Science Center, Memphis, TN
| | | | - D Low
- Department of Radiation Oncology, University of California Los Angeles, Los Angeles, CA
| | | | - A B Shah
- York Cancer Center, York, PA, United States
| | - D P D'Souza
- Department of Oncology, Division of Radiation Oncology, London Health Sciences Centre, Western University, London, ON, Canada
| | - J M Michalski
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO
| | - I Dayes
- Juravinski Cancer Centre, Hamilton, ON, Canada
| | | | - W A Hall
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - P L Nguyen
- Brigham and Women's Hospital/Dana-Farber Cancer Institute, Boston, MA
| | - T M Pisansky
- Department of Radiation Oncology, Mayo Clinic, Rochester, MN
| | - S L Faria
- McGill University Health Centre, Montreal, QC, Canada
| | - Y Chen
- Department of Radiation Oncology, University of Rochester Medical Center, Rochester, NY
| | - J Rodgers
- NRG Oncology Statistics and Data Management Center, Philadelphia, PA
| | - H M Sandler
- Cedars-Sinai Medical Center, Los Angeles, CA
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Deek MP, Shetty A, Song Y, Efstathiou JA, Feng FY, Shipley WU, Simko J, Mouw KW, Miyamoto DT, Pollack A, Michaelson D, Zietman AL, Coen JJ, Dahl DM, Jani A, Souhami L, Chang BK, Lee RJ, Rodgers J, Tran PT. Prognostic Significance of Pretreatment Immune Cell Infiltration in Muscle Invasive Bladder Cancer Treated with Definitive Chemoradiation: Analysis of NRG RTOG 0524 and 0712. Int J Radiat Oncol Biol Phys 2023; 117:S22-S23. [PMID: 37784456 DOI: 10.1016/j.ijrobp.2023.06.278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Chemoradiation therapy (CRT) is an organ conserving approach in the treatment of locally advanced bladder cancer. Chemoradiation is thought to potentially result in immunogenic stimulation, and bladder cancer is often a tumor with high immune cell infiltration. Thus, we aimed to profile the tumor immune microenvironment of bladder cancer and identify prognostic immune biomarkers for CRT response by profiling tumor samples from NRG/RTOG 0524 and 0712, two prospective trials of CRT in muscle invasive bladder cancer (MIBC). MATERIALS/METHODS Pretreatment tissue samples from both trials were profiled using Cofactor Genomics ImmunoPrism, an RNA sequencing assay that uses gene expression profiles to quantify immune cell populations in the tumor microenvironment (TME). Differential gene expression was estimated for different immune cell type proportions across samples. Kaplan-Meier survival analysis and log rank tests were performed to evaluate differences in overall survival (OS) stratified by genes influenced by immune cell proportions or genes associated with immune response signatures. RESULTS A total of 70 samples (43 from RTOG 0524 and 27 from RTOG 0712) underwent analysis using the ImmunoPrism assay. Immune cell proportions were as follows: CD8 T cells: median 1.2%, CD4 T cells: median 0.8%, Treg cells: median 9.2%, CD19 B cells: median 5.1%, M2 macrophages: median 0.8%, M1 macrophages: median 0%. Unbiased clustering based on gene expression profiles driven by immune cell proportions demonstrated two groups: cluster 1 with a low percentage of immune cells and shorter OS (median 31 months) and cluster 2 with a high percentage of immune cells and longer OS (median 101 months, p = 0.036). Higher expression of genes associated with T cell infiltration (CD8A and ICOS) was associated with improved OS (104 vs 35 months, p = 0.028, HR = 0.48 (0.25 - 0.94), p = 0.031) as was higher expression of IDO1, which is associated with the interferon gamma pathway (104 vs 35 months, p = 0.042, HR = 0.49 (0.24 - 0.99), p = 0.046). CONCLUSION Bladder tumors have a wide range of immune cell infiltration in the TME. Increased immune cell proportions are prognostic for OS following CRT, as well as a higher expression of genes associated with T cell infiltration interferon gamma signaling. These findings have implications for the integration of immunotherapy in the definitive management of MIBC; and can be explored further in the ongoing NRG/SWOG 1806 trial.
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Affiliation(s)
- M P Deek
- Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ
| | - A Shetty
- University of Maryland, Baltimore, MD
| | - Y Song
- University of Maryland, Baltimore, MD
| | - J A Efstathiou
- Department of Radiation Oncology, Harvard School of Medicine, Boston, MA
| | - F Y Feng
- Department of Radiation Oncology, University of California San Francisco, San Francisco, CA
| | - W U Shipley
- Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | | | - K W Mouw
- Broad Institute of MIT and Harvard, Cambridge, MA
| | - D T Miyamoto
- Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - A Pollack
- Department of Radiation Oncology, University of Miami/Sylvester Comprehensive Cancer Center, Miami, FL
| | - D Michaelson
- Massachusetts General Hospital/ Harvard Medical School, Boston, MA
| | - A L Zietman
- Department of Radiation Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - J J Coen
- Massachusetts General Hospital, Boston, MA
| | - D M Dahl
- Massachusetts General Hospital/ Harvard Medical School, Boston, MA
| | - A Jani
- Department of Radiation Oncology, Emory University, Atlanta, GA
| | - L Souhami
- Department of Radiation Oncology, McGill University Health Centre, Montreal, QC, Canada
| | - B K Chang
- Radiation Medicine Associates, Oklahoma City, OK
| | - R J Lee
- Intermountain Medical Center, Murray, UT
| | - J Rodgers
- NRG Oncology Statistics and Data Management Center, Philadelphia, PA
| | - P T Tran
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD
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Smith RP, Lawes J, Davies RH, Hutchison ML, Vidal A, Gilson D, Rodgers J. UK-wide risk factor study of broiler carcases highly contaminated with Campylobacter. Zoonoses Public Health 2023; 70:523-541. [PMID: 37337320 DOI: 10.1111/zph.13063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 04/04/2023] [Accepted: 05/22/2023] [Indexed: 06/21/2023]
Abstract
Campylobacter is a major cause of food poisoning and is typically the most common cause of gastroenteritis in the UK. Data collected at broiler farm and abattoir level, for slaughter batches that were sampled for UK-wide monitoring, were used to generate two epidemiological risk factor models. A total of 483 batches slaughtered between January 2016 and March 2017 were used in the analysis, coming from 19 abattoirs representing more than 85% of UK broiler production. For each selected slaughter batch, one carcase was sampled after primary chilling and 10 randomly sampled birds had caecal samples collected at the evisceration point. Samples were used for Campylobacter identification and quantification. Two multivariable mixed-effects models were designed, one with the binary outcome for the detection of a highly contaminated (>1000 colony forming units (CFU)/g) Campylobacter-positive carcase, whereas the other used the Campylobacter colony count (CFU/g) carcase outcome. The results suggest that caecal colonization within the batch was a key factor for the occurrence of Campylobacter on carcases, and many factors that were identified in the model were also likely to be related to colonization or related to the risk of introduction of Campylobacter from partial depopulation (referred to as thinning) of ~30% of the flock approximately 1 week before full flock depopulation events. The amount of neck skin in the sample was another key factor identified and was included in both models as a risk factor. The models have also identified other factors which may be related to the general health and husbandry on-farm (use of prebiotics or vaccines, and identification of the product used for drinking line cleaning), whereas the other factors may identify control points related to transmission within a farm. The identification of these variables could help focus control efforts on-farm, especially for relatively easy improvements, such as improving the provision of house-specific bird-weighing buckets/cages in houses.
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Affiliation(s)
- R P Smith
- Department of Epidemiological Sciences, Animal and Plant Health Agency - Weybridge, Surrey, UK
| | - J Lawes
- Department of Epidemiological Sciences, Animal and Plant Health Agency - Weybridge, Surrey, UK
| | - R H Davies
- Bacteriology Department, Animal and Plant Health Agency - Weybridge, Surrey, UK
| | | | - A Vidal
- Bacteriology Department, Animal and Plant Health Agency - Weybridge, Surrey, UK
- Surveillance and Regulatory Support Department, European Medicines Agency, Amsterdam, The Netherlands
| | - D Gilson
- Department of Epidemiological Sciences, Animal and Plant Health Agency - Weybridge, Surrey, UK
- Faculty of Biological Sciences, University of Leeds, West Yorkshire, UK
| | - J Rodgers
- Bacteriology Department, Animal and Plant Health Agency - Weybridge, Surrey, UK
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Tward J, Zhang J, Esteva A, Mohamad O, van der Wal D, Simko J, DeVries S, Huang H, Schaeffer E, Morgan T, Campbell H, Monson J, Wallace J, Ferguson M, Bahary J, Sandler H, Spratt D, Rodgers J, Feng F, Tran P. Prostate Cancer Risk Stratification in NRG Oncology Phase III Randomized Trials Using Multi-Modal Deep Learning with Digital Histopathology. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.2321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Michaelson D, Dignam J, Hamstra D, Bachand F, Master V, Bruner D, Torres M, Saylor P, Wallace R, Vapiwala N, Efstathiou J, Roach M, Rosenthal S, Raben A, Morgan S, Kavadi V, Spratt D, Michalski J, Rodgers J, Sandler H. Phase III Trial of Dose Escalated Radiation Therapy and Standard Androgen Deprivation Therapy (ADT) vs. Dose Escalated Radiation Therapy and Enhanced ADT with TAK-700 for Men with High-Risk Prostate Cancer (NRG Oncology/RTOG 1115). Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Buyyounouski M, Pugh S, Chen R, Mann M, Kudchadker R, Konski A, Mian O, Michalski J, Vigneault E, Valicenti R, Barkati M, Lawton C, Potters L, Monitto D, Kittel J, Schroeder T, Hannan R, Duncan C, Rodgers J, Sandler H. Primary Endpoint Analysis of a Randomized Phase III Trial of Hypofractionated vs. Conventional Post-Prostatectomy Radiotherapy: NRG Oncology GU003. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Movsas B, Rodgers J, Elshaikh M, Martinez A, Morton G, Krauss D, Yan D, Citrin D, Hershatter B, Michalski J, Ellis R, Kavadi V, Gore E, Gustafson G, Schulz C, Velker V, Olson A, Karrison T, Sandler H, Bruner D. Dose Escalated Radiotherapy (RT) Alone or in Combination With Short-Term Total Androgen Suppression (TAS) for Intermediate Risk Prostate Cancer: Patient Reported Outcomes (PROs) From the NRG Oncology/RTOG 0815 Randomized Trial. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Dahl D, Rodgers J, Shipley W, Michaelson D, Wu C, Parker W, Efstathiou J, Jani A, Cury F, Hudes R, Michalski J, Hartford A, Song D, Citrin D, Karrison T, Feng F. NRG Oncology/RTOG 0926: Phase II Protocol for Patients With Stage T1 Bladder Cancer to Evaluate Selective Bladder Preserving Treatment by Radiation Therapy Concurrent With Radiosensitizing Chemotherapy Following a Thorough Transurethral Surgical Re-Staging. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Cassidy SA, Gould K, Townsend E, Pelton M, Robertson AE, Rodgers J. Is Camouflaging Autistic Traits Associated with Suicidal Thoughts and Behaviours? Expanding the Interpersonal Psychological Theory of Suicide in an Undergraduate Student Sample. J Autism Dev Disord 2020; 50:3638-3648. [PMID: 31820344 PMCID: PMC7502035 DOI: 10.1007/s10803-019-04323-3] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The current study explored whether people who camouflage autistic traits are more likely to experience thwarted belongingness and suicidality, as predicted by the Interpersonal Psychological Theory of Suicide (IPTS). 160 undergraduate students (86.9% female, 18–23 years) completed a cross-sectional online survey from 8th February to 30th May 2019 including self-report measures of thwarted belongingness and perceived burdensomeness, autistic traits, depression, anxiety, camouflaging autistic traits, and lifetime suicidality. Results suggest that camouflaging autistic traits is associated with increased risk of experiencing thwarted belongingness and lifetime suicidality. It is important for suicide theories such as the IPTS to include variables relevant to the broader autism phenotype, to increase applicability of models to both autistic and non-autistic people.
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Affiliation(s)
- S A Cassidy
- School of Psychology, University of Nottingham, Nottingham, NG7 2RD, UK. .,Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, UK.
| | - K Gould
- School of Psychology, University of Nottingham, Nottingham, NG7 2RD, UK
| | - E Townsend
- School of Psychology, University of Nottingham, Nottingham, NG7 2RD, UK
| | - M Pelton
- School of Psychological, Social and Behavioural Sciences, Coventry University, Coventry, UK.,Centre for Innovative Research Across the Lifespan, Coventry University, Coventry, UK
| | - A E Robertson
- School of Psychological, Social and Behavioural Sciences, Coventry University, Coventry, UK.,Centre for Innovative Research Across the Lifespan, Coventry University, Coventry, UK
| | - J Rodgers
- Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, UK
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Hales R, Rodgers J, Whiteside L, Budgell G, Berresford J, Choudhury A, Eccles C. OC-0683: RTTs at the helm: moving towards RTT-led MR-guided radiotherapy. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)00705-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Coen J, Rodgers J, Saylor P, Lee C, Wu C, Parker W, Lautenschlaeger T, Zietman A, Efstathiou J, Jani A, Kucuk O, Souhami L, Sandler H, Shipley W. Bladder Preservation with Twice-Daily Radiation plus 5-Flourouracil/Cisplatin or Daily Radiation plus Gemcitabine for MIBC – Updated Results of NRG/RTOG 0712: A Randomized Phase 2 Trial. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.2122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Crook J, Rodgers J, Pisansky T, Trabulsi E, Amin M, Bice W, Morton G, Pervez N, Vigneault E, Catton C, Michalski J, Roach M, Beyer D, Rossi P, Horwitz E, Donavanik V, Sandler H. Salvage Low Dose Rate Prostate Brachytherapy: Clinical Outcomes of a Phase II Trial for Local Recurrence after External Beam Radiotherapy (NRG/RTOG -0526). Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.2071] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Brown S, Dubec M, Chuter R, Eccles C, Hales R, Parker J, Rodgers J, Whiteside L, Van Herk M, Finn CF, Cobben D. PD-0673: MRI vs CBCT image guidance when treating lymph nodes in patients with locally advanced (LA)-NSCLC. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)00695-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Fuertes L, Dubec M, Anjanappa M, Rodgers J, Hales R, Clough A, Aznar M, Choudhury A. PO-1020: Does MR imaging give us advantage in contouring thoracic structures for Cardiac SABR? Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)01037-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Carroll JA, Rodgers J, Lyons-Reid J, Bennett R. Healthy Mobile Check-In Study: Barriers to exercise for women in high and low SEP suburbs in Brisbane. Eur J Public Health 2020. [DOI: 10.1093/eurpub/ckaa166.313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Previous studies have demonstrated that physical activity (PA) promotes health and reduces risk for non-communicable diseases. However, 55% of Australian women did not meet the recommended levels of PA in 2018-19. There remains a gap in knowledge regarding the individual, household, and neighbourhood barriers to physical activity between women from high and low socioeconomic suburbs. We conducted a mixed-methods study to ascertain subjective accounts of the socioecological reasons for different daily logistics, travel, and PA between these groups. In addition to daily mobility data collated from GIS iPhone apps, in-depth interviews were held with 16 women from the high (Ashgrove) and low (Durack) SEP suburbs in Brisbane. Interview data was analysed at the individual, social, and environmental levels to unearth resistance to PA via these thematic strata. Individual psychological barriers to being active that were unique to low SE suburbs included the 'lack of enjoyment' gained from PA. Both high and low SE suburbs reported being 'time poor'. For low SEP participants, this was driven by financial demands, and for high SEP participants, this was driven by work demands. Both groups reported being burnt out. Individual physical barriers for both groups included sore joints, injury, pelvic pain and weight. Social barriers unique to participants from a high SE suburb included 'opportunities to exercise socially', and 'mother guilt'. Both groups reported 'family responsibilities' as a social barrier. Neighbourhood changes that could increase PA in the low SEP suburb included facilities to increase walkability. Participants from the high SE suburb were largely satisfied with the state of their neighbourhood. This study provides foundational insight into improved public health strategies for increasing levels of PA amongst women in Brisbane from different SEP groups. Our findings support the idea that a combination of broad strategies and a targeted approach is needed.
Key messages
Women from high and low socioeconomic suburbs experience different barriers to physical activity. Health promotion strategies need to accommodate this to improve overall health and reduce inequality. Women from high and low socioeconomic suburbs face psychological, physical and social barriers to exercise. Broad health promotion strategies and a targeted approach is required to address barriers.
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Affiliation(s)
- J A Carroll
- School of Public Health & Social Work, Queensland University of Technology, Kelvin Grove, Australia
- Institute of Health & Biomedical Innovation, Queensland University of Technology, Kelvin Grove, Australia
| | - J Rodgers
- School of Public Health & Social Work, Queensland University of Technology, Kelvin Grove, Australia
| | - J Lyons-Reid
- School of Public Health & Social Work, Queensland University of Technology, Kelvin Grove, Australia
| | - R Bennett
- School of Public Health & Social Work, Queensland University of Technology, Kelvin Grove, Australia
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Glod M, Riby DM, Rodgers J. Sensory processing profiles and autistic symptoms as predictive factors in autism spectrum disorder and Williams syndrome. J Intellect Disabil Res 2020; 64:657-665. [PMID: 32400919 DOI: 10.1111/jir.12738] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 04/29/2020] [Accepted: 04/30/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Unusual sensory responses were included in the diagnostic criteria for autism spectrum disorder (ASD), yet they are also common among individuals with other neurodevelopmental disorders, including Williams syndrome (WS). Cross-syndrome comparisons of sensory atypicalities and the evaluation of their syndrome specificity however have rarely been undertaken. We aimed to (1) examine and compare the sensory profiles in ASD and WS groups and (2) investigate whether autistic symptoms, including sensory processing scores, can predict a group membership. METHODS Parents of 26 children with ASD and intellectual disability, 30 parents of children with ASD (no intellectual disability) and 26 with WS aged between 4 and 16 years were recruited. Parents completed the Sensory Profile to provide information about their children's sensory experiences and the Social Responsiveness Scale - Second Edition (SRS-2) to assess the degree of social impairment in their children. RESULTS No significant differences were found in sensory processing scores between the three groups. Binary logistic regression analyses were undertaken with sensory quadrants and SRS-2 total score as factors. Models significantly predicted group membership, with Low Registration, Sensory Sensitivity and SRS-2 total score being significant predictors. CONCLUSIONS The findings suggest that high rates of sensory atypicalities are a common neurodevelopmental characteristic that do not reliably distinguish between WS and ASD groups. Low Registration and Sensory Sensitivity-related behaviours might, however, be more specific to ASD. Further work is needed to explore what behaviours within sensory profiles can discriminate between neurodevelopmental disorders and should be included in diagnostic classifications.
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Affiliation(s)
- M Glod
- Institute of Neuroscience, Newcastle University, Sir James Spence Institute, Royal Victoria Infirmary, Newcastle upon Tyne, UK
| | - D M Riby
- Department of Psychology, Durham University, Science Laboratories, Durham, UK
| | - J Rodgers
- Institute of Neuroscience, Newcastle University, Sir James Spence Institute, Royal Victoria Infirmary, Newcastle upon Tyne, UK
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19
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Storchi R, Rodgers J, Gracey M, Martial FP, Wynne J, Ryan S, Twining CJ, Cootes TF, Killick R, Lucas RJ. Measuring vision using innate behaviours in mice with intact and impaired retina function. Sci Rep 2019; 9:10396. [PMID: 31316114 PMCID: PMC6637134 DOI: 10.1038/s41598-019-46836-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 06/26/2019] [Indexed: 01/23/2023] Open
Abstract
Measuring vision in rodents is a critical step for understanding vision, improving models of human disease, and developing therapies. Established behavioural tests for perceptual vision, such as the visual water task, rely on learning. The learning process, while effective for sighted animals, can be laborious and stressful in animals with impaired vision, requiring long periods of training. Current tests that that do not require training are based on sub-conscious, reflex responses (e.g. optokinetic nystagmus) that don't require involvement of visual cortex and higher order thalamic nuclei. A potential alternative for measuring vision relies on using visually guided innate defensive responses, such as escape or freeze, that involve cortical and thalamic circuits. In this study we address this possibility in mice with intact and degenerate retinas. We first develop automatic methods to detect behavioural responses based on high dimensional tracking and changepoint detection of behavioural time series. Using those methods, we show that visually guided innate responses can be elicited using parametisable stimuli, and applied to describing the limits of visual acuity in healthy animals and discriminating degrees of visual dysfunction in mouse models of retinal degeneration.
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Affiliation(s)
- R Storchi
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.
| | - J Rodgers
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - M Gracey
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - F P Martial
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - J Wynne
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - S Ryan
- Department of Mathematics and Statistics, Lancaster University, Lancaster, UK
| | - C J Twining
- School of Computer Science, University of Manchester, Manchester, UK
| | - T F Cootes
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - R Killick
- Department of Mathematics and Statistics, Lancaster University, Lancaster, UK
| | - R J Lucas
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
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20
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Martinez-Garduno CM, Rodgers J, Phillips R, Gunaratne AW, Drury P, McInnes E. The Surgical Patients’ Pressure Injury Incidence (SPPII) study: a cohort study of surgical patients and processes of care. WPR 2019. [DOI: 10.33235/wpr.27.2.86-94] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Background Surgical patients are at high risk of developing pressure injuries (Pls) due to anaesthesia-induced immobility as well as risk factors such as length of surgery and co-morbidities. Few Australian studies have investigated the incidence of PIs in surgical patients. This prospective cohort study assessed the incidence of post-surgical PIs and identified gaps in pressure injury prevention (PIP) for elective surgical patients.
Methods Consecutive elective surgery patients at an urban tertiary referral hospital were recruited who had an expected length of stay of >48 hours. Baseline PI risk (measured by the Waterlow scale) and PIP strategies implemented at five time points were collected from medical records. Two prospective outcome assessments were conducted at 24 and 48 hours post-operatively. Data were analysed descriptively.
Results One patient out of 150 (incidence rate 0.7) developed an intra-operative Stage 1 PI. Four patients developed skin tears. PIP strategies were applied inconsistently throughout the patient journey, regardless of risk status.
Conclusions While the incidence of surgically acquired PIs in this study was low, ongoing staff education is needed about the importance of consistent skin and risk assessments and of implementing strategies appropriate for level of PI risk.
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Affiliation(s)
- Cintia M Martinez-Garduno
- Nursing Research Institute, St Vincent’s Health Australia (Sydney) and Australian Catholic University, NSW, Australia
| | | | - Rosemary Phillips
- Nursing Research Institute, St Vincent’s Health Australia (Sydney) and Australian Catholic University, NSW, Australia
| | - Anoja W Gunaratne
- Nursing Research Institute, St Vincent’s Health Australia (Sydney) and Australian Catholic University, NSW, Australia
| | - Peta Drury
- School of Nursing, Midwifery and Paramedicine Australian Catholic University, NSW, Australia
| | - Elizabeth McInnes
- Nursing Research Institute, St Vincent’s Health Australia (Sydney) and Australian Catholic University, NSW, Australia
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21
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Hsu I, Rodgers J, Shinohara K, Purdy J, Michalski J, Ibbott G, Roach M, Vigneault E, Ivker R, Pryzant R, Kuettel M, Taussky D, Gustafson G, Raben A, Sandler H. OC-0159 Long-Term Results of RTOG 0321: HDR Brachytherapy and External Beam Radiotherapy for Prostate Cancer. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)30579-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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22
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Bakerjian D, Marin-Cachu A, Edwards J, Rodgers J, Johnson M. PERCEPTIONS OF ATTITUDES, VALUES AND BELIEFS OF HEALTH SCIENCE STUDENTS AND STAFF ON TEAM-BASED CARE. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
| | - A Marin-Cachu
- Betty Irene Moore SON at UC Davis, Sacramento, CA USA
| | - J Edwards
- Betty Irene Moore SON at UC Davis, Sacramento, CA USA
| | - J Rodgers
- Betty Irene Moore SON at UC Davis, Sacramento, CA USA
| | - M Johnson
- Betty Irene Moore SON at UC Davis, Sacramento, CA USA
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23
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Jones C, Pugh S, Sandler H, Chetner M, Amin M, Efstathiou J, Den R, Leibenhaut M, Longo J, Bahary J, Rosenthal S, Souhami L, Michalski J, Hartford A, Amin P, Roach M, Yee D, Rodgers J, Shipley W. Long-Term Update of NRG Oncology RTOG 94-08. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.06.062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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24
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Abstract
Intolerance of uncertainty (IU) is indicated as an important transdiagnostic process variable in a range of anxiety disorders. Anxiety is very common in autistic adults. This study evaluates a manualised treatment programme for autistic adults, which focused on IU. An eight session programme (CUES-A©) was developed and delivered to four autistic adults on an individual basis. A single case experimental design was used to provide a preliminary evaluation of the feasibility, acceptability and preliminary effectiveness of the programme. Data regarding retention, acceptability and feasibility indicate that the participants valued the programme. Analyses of outcome measures indicate that the programme has promise as a treatment option for autistic adults experiencing IU.
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Affiliation(s)
- J Rodgers
- Clinical Psychology, Faculty of Medical Sciences, Institute of Neuroscience, Sir James Spence Institute, Newcastle University, Royal Victoria Infirmary, Queen Victoria Road, Newcastle, NE1 4LP, UK.
| | - R Herrema
- School of Psychology, Faculty of Medical Sciences, Newcastle University, Newcastle, UK
| | - E Honey
- Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle upon Tyne, UK
| | - M Freeston
- School of Psychology, Faculty of Medical Sciences, Newcastle University, Newcastle, UK
- Northumberland, Tyne and Wear NHS Foundation Trust, Newcastle upon Tyne, UK
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25
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Cassidy S, Bradley L, Bowen E, Wigham S, Rodgers J. Measurement properties of tools used to assess suicidality in autistic and general population adults: A systematic review. Clin Psychol Rev 2018; 62:56-70. [DOI: 10.1016/j.cpr.2018.05.002] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 04/27/2018] [Accepted: 05/03/2018] [Indexed: 12/11/2022]
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26
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Shipley W, Zhang P, Saylor P, Lee C, Wu C, Parker W, Lautenschlaeger T, Zietman A, Efstathiou J, Jani A, Kucuk O, Souhami L, Rodgers J, Sandler H, Coen J. OC-0057: Randomized phase 2 trial of radiation with either gemcitabine or 5FU/cisplatin in bladder cancer. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)30367-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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27
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Macbeth A, Tomlinson J, Messenger A, Moore-Millar K, Michaelides C, Shipman A, Kassim J, Brockley J, Szczecinska W, Farrant P, Robinson R, Rodgers J, Chambers J, Upadhyaya S, Harries M. 设立针对脱发(斑秃除外)预防、诊断和治疗的研究问题并安排优先顺序:脱发优先设定合作伙伴关系. Br J Dermatol 2018. [DOI: 10.1111/bjd.16308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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28
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Macbeth A, Tomlinson J, Messenger A, Moore-Millar K, Michaelides C, Shipman A, Kassim J, Brockley J, Szczecinska W, Farrant P, Robinson R, Rodgers J, Chambers J, Upadhyaya S, Harries M. Establishing and prioritizing research questions for the prevention, diagnosis and treatment of hair loss (excluding alopecia areata): the Hair Loss Priority Setting Partnership. Br J Dermatol 2018. [DOI: 10.1111/bjd.16290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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29
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Cassidy SA, Bradley L, Bowen E, Wigham S, Rodgers J. Measurement properties of tools used to assess depression in adults with and without autism spectrum conditions: A systematic review. Autism Res 2018; 11:738-754. [PMID: 29360200 PMCID: PMC6001465 DOI: 10.1002/aur.1922] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 12/05/2017] [Accepted: 12/27/2017] [Indexed: 12/03/2022]
Abstract
Depression is the most commonly experienced mental health condition in adults with autism spectrum conditions (ASC). However, it is unclear what tools are currently being used to assess depression in ASC, or whether tools need to be adapted for this group. This systematic review therefore aimed to identify tools used to assess depression in adults with and without ASC, and then evaluate these tools for their appropriateness and measurement properties. Medline, PsychINFO and Web of Knowledge were searched for studies of depression in: (a) adults with ASC, without co‐morbid intellectual disability; and (b) adults from the general population without co‐morbid conditions. Articles examining the measurement properties of these tools were then searched for using a methodological filter in PubMed, and the quality of the evidence was evaluated using the COSMIN checklist. Twelve articles were identified which utilized three tools to assess depression in adults with ASC, but only one article which assessed the measurement properties of one of these tools was identified and thus evaluated. Sixty‐four articles were identified which utilized five tools to assess depression in general population adults, and fourteen articles had assessed the measurement properties of these tools. Overall, two tools were found to be robust in their measurement properties in the general population—the Beck Depression Inventory (BDI‐II), and the patient health questionnaire (PHQ‐9). Crucially only one study was identified from the COSMIN search, which showed weak evidence in support of the measurement properties of the BDI‐II in an ASC sample. Implications for effective measurement of depression in ASC are discussed. Autism Res2018, 11: 738–754. © 2018 The Authors Autism Research published by International Society for Autism Research and Wiley Periodicals, Inc. Lay Summary Depression is the most common mental health problem experienced by adults with autism. However, the current study found very limited evidence regarding how useful tools developed for the general population are for adults with autism. We therefore suggest how these tools could be adapted to more effectively assess depression in adults with autism, and improve these individuals access to mental health assessment and support.
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Affiliation(s)
- S A Cassidy
- School of Psychology, University of Nottingham, UK.,Institute of Neuroscience, Newcastle University, UK.,Centre for Innovative Research Across the Life Course, Coventry University, UK
| | - L Bradley
- Centre for Innovative Research Across the Life Course, Coventry University, UK
| | - E Bowen
- Centre for Violence Prevention, University of Worcester, UK
| | - S Wigham
- Institute of Neuroscience, Newcastle University, UK
| | - J Rodgers
- Institute of Neuroscience, Newcastle University, UK
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30
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Macbeth A, Tomlinson J, Messenger A, Moore-Millar K, Michaelides C, Shipman A, Kassim J, Brockley J, Szczecinska W, Farrant P, Robinson R, Rodgers J, Chambers J, Upadhyaya S, Harries M. Establishing and prioritizing research questions for the prevention, diagnosis and treatment of hair loss (excluding alopecia areata): the Hair Loss Priority Setting Partnership. Br J Dermatol 2018; 178:535-540. [DOI: 10.1111/bjd.15810] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/13/2017] [Indexed: 11/30/2022]
Affiliation(s)
- A. Macbeth
- Department of Dermatology; Norfolk and Norwich University Hospitals NHS Foundation Trust; Colney Lane Norwich NR4 7UY U.K
| | | | - A. Messenger
- Department of Dermatology; University of Sheffield; Royal Hallamshire Hospital; Sheffield U.K
| | - K. Moore-Millar
- Department of Design, Manufacturing and Engineering; University of Strathclyde; Glasgow U.K
| | | | - A. Shipman
- Department of Dermatology; Warwick Hospital; Warwick Warwickshire U.K
| | - J. Kassim
- Dermatology Centre; St Mary's Hospital; Portsmouth U.K
| | - J. Brockley
- Department of Dermatology; Cannock Chase Hospital; Cannock U.K
| | - W. Szczecinska
- Department of Dermatology; Heart of England NHS Foundation Trust Standard Institution; Birmingham U.K
| | - P. Farrant
- Department of Dermatology; Brighton and Sussex University Hospitals NHS Trust; Brighton U.K
| | - R. Robinson
- Department of Dermatology; Harrogate and District NHS Foundation Trust; Harrogate North Yorkshire U.K
| | | | | | | | - M. Harries
- The Dermatology Centre; University of Manchester; Salford Royal NHS Foundation Trust; Salford Greater Manchester U.K
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31
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Coen J, Zhang P, Saylor P, Lee C, Wu C, Parker W, Lautenschlaeger T, Zietman A, Efstathiou J, Jani A, Souhami L, Kucuk O, Rodgers J, Sandler H, Shipley W. Selective Bladder Preservation with Twice-Daily Radiation Plus 5-Flourouracil/Cisplatin or Daily Radiation Plus Gemcitabine for Patients with Muscle Invasive Bladder Cancer—Primary Results of NRG/RTOG 0712: A Randomized Phase 2 Multicenter Trial. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.09.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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32
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Macbeth A, Tomlinson J, Messenger A, Moore-Millar K, Michaelides C, Shipman A, Kassim J, Brockley J, Szczecinska W, Farrant P, Robinson R, Rodgers J, Chambers J, Upadhyaya S, Harries M. Establishing and prioritizing research questions for the treatment of alopecia areata: the Alopecia Areata Priority Setting Partnership. Br J Dermatol 2017; 176:1316-1320. [DOI: 10.1111/bjd.15099] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/23/2016] [Indexed: 11/29/2022]
Affiliation(s)
- A.E. Macbeth
- Department of Dermatology; Norfolk and Norwich University Hospitals NHS Foundation Trust; Colney Lane; Norwich NR4 7UY U.K
| | | | - A.G. Messenger
- Dermatology; University of Sheffield; Royal Hallamshire Hospital; Sheffield U.K
| | - K. Moore-Millar
- Design, Manufacturing and Engineering; University of Strathclyde; Glasgow U.K
| | | | | | - J.M. Kassim
- Dermatology Centre; St Mary's Hospital; Portsmouth U.K
| | - J.R. Brockley
- Cannock Chase Hospital; The Royal Wolverhampton NHS Trust; Cannock U.K
| | - W. Szczecinska
- Dermatology Department; Solihull Hospital; Heart of England NHS Foundation Trust; Solihull U.K
| | - P. Farrant
- Department of Dermatology; Brighton and Sussex University Hospitals NHS Trust; Brighton U.K
| | - R. Robinson
- Harrogate and District NHS Foundation Trust; Harrogate U.K
| | | | | | | | - M.J. Harries
- The Dermatology Centre; University of Manchester; Salford Royal NHS Foundation Trust; Salford U.K
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33
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Lough E, Rodgers J, Janes E, Little K, Riby DM. Parent insights into atypicalities of social approach behaviour in Williams syndrome. J Intellect Disabil Res 2016; 60:1097-1108. [PMID: 27109005 DOI: 10.1111/jir.12279] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Revised: 10/13/2015] [Accepted: 02/24/2016] [Indexed: 06/05/2023]
Abstract
BACKGROUND Individuals with Williams syndrome have been reported to show high levels of social interest and a desire to interact with others irrespective of their familiarity. This high social motivation, when combined with reduced intellectual capacity and a profile of atypical social behaviour, is important in terms of social vulnerability of individuals with the disorder. Therefore, social approach to unfamiliar people and the role of this behaviour within the Williams syndrome (WS) social phenotype warrant further research to inform social skills' intervention design. METHODS The current study used parent interviews (n = 21) to probe aspects of social behaviour and interactions with strangers, as well as the impact of such behaviour on the family. Using thematic analysis, it was possible to explore themes that emerged from the interviews, offering qualitatively rich insight into the variability of social approach behaviour in WS. RESULTS Thematic analysis confirmed a significant desire to interact with strangers as well as a lack of awareness of appropriate social boundaries. However, parental reports about their child's social approach behaviour varied considerably. The within-syndrome variability of the sample was emphasised in parental reports of their child's personality characteristics (e.g. levels of impulsiveness), as well as the level of parental supervision employed. CONCLUSIONS These in-depth parent insights can help target the needs of individuals with WS and emphasise that an individual approach to intervention will be essential because of the heterogeneity of the WS social profile.
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Affiliation(s)
- E Lough
- Department of Psychology, Durham University, Durham, UK
| | - J Rodgers
- Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, UK
| | - E Janes
- Northumberland, Tyne and Wear NHS Trust, Newcastle upon Tyne, UK
| | - K Little
- School of Psychology, Newcastle University, Newcastle upon Tyne, UK
| | - D M Riby
- Department of Psychology, Durham University, Durham, UK.
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Dou K, Jacobs M, Laser B, Safaraz M, Rodgers J. SU-F-T-634: Feasibility Study of Respiratory Gated RapidArc SBRT Using a 6MV FFF Photon Beam. Med Phys 2016. [DOI: 10.1118/1.4956819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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35
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Raftery A, Rodgers J, Sutton D. Treatment efficacy in Equine Trypanosomosis: A prospective comparative study of three trypanocides in over 250 clinical cases in working equidae. J Equine Vet Sci 2016. [DOI: 10.1016/j.jevs.2016.02.211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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36
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Hughes S, Jagannath A, Rodgers J, Hankins MW, Peirson SN, Foster RG. Signalling by melanopsin (OPN4) expressing photosensitive retinal ganglion cells. Eye (Lond) 2016; 30:247-54. [PMID: 26768919 DOI: 10.1038/eye.2015.264] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 11/23/2015] [Indexed: 12/17/2022] Open
Abstract
Over the past two decades there have been significant advances in our understanding of both the anatomy and function of the melanopsin system. It has become clear that rather than acting as a simple irradiance detector the melanopsin system is in fact far more complicated. The range of behavioural systems known to be influenced by melanopsin activity is increasing with time, and it is now clear that melanopsin contributes not only to multiple non-image forming systems but also has a role in visual pathways. How melanopsin is capable of driving so many different behaviours is unclear, but recent evidence suggests that the answer may lie in the diversity of melanopsin light responses and the functional specialisation of photosensitive retinal ganglion cell (pRGC) subtypes. In this review, we shall overview the current understanding of the melanopsin system, and evaluate the evidence for the hypothesis that individual pRGC subtypes not only perform specific roles, but are functionally specialised to do so. We conclude that while, currently, the available data somewhat support this hypothesis, we currently lack the necessary detail to fully understand how the functional diversity of pRGC subtypes correlates with different behavioural responses, and ultimately why such complexity is required within the melanopsin system. What we are lacking is a cohesive understanding of how light responses differ between the pRGC subtypes (based not only on anatomical classification but also based on their site of innervation); how these diverse light responses are generated, and most importantly how these responses relate to the physiological functions they underpin.
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Affiliation(s)
- S Hughes
- Nuffield Laboratory of Ophthalmology (Nuffield Department of Clinical Neurosciences), Sleep and Circadian Neuroscience Institute, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - A Jagannath
- Nuffield Laboratory of Ophthalmology (Nuffield Department of Clinical Neurosciences), Sleep and Circadian Neuroscience Institute, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - J Rodgers
- Nuffield Laboratory of Ophthalmology (Nuffield Department of Clinical Neurosciences), Sleep and Circadian Neuroscience Institute, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - M W Hankins
- Nuffield Laboratory of Ophthalmology (Nuffield Department of Clinical Neurosciences), Sleep and Circadian Neuroscience Institute, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - S N Peirson
- Nuffield Laboratory of Ophthalmology (Nuffield Department of Clinical Neurosciences), Sleep and Circadian Neuroscience Institute, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - R G Foster
- Nuffield Laboratory of Ophthalmology (Nuffield Department of Clinical Neurosciences), Sleep and Circadian Neuroscience Institute, University of Oxford, John Radcliffe Hospital, Oxford, UK
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37
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Punwani N, Burn T, Scherle P, Flores R, Shi J, Collier P, Hertel D, Haley P, Lo Y, Waeltz P, Rodgers J, Shepard S, Vaddi K, Yeleswaram S, Levy R, Williams W, Gottlieb AB. Downmodulation of key inflammatory cell markers with a topical Janus kinase 1/2 inhibitor. Br J Dermatol 2015; 173:989-97. [PMID: 26123031 DOI: 10.1111/bjd.13994] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/17/2015] [Indexed: 12/30/2022]
Abstract
BACKGROUND INCB018424 is a novel, potent Janus kinase (JAK)1/JAK2 inhibitor that blocks signal transduction of multiple proinflammatory cytokines. OBJECTIVES To evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics and preliminary efficacy of topical INCB018424 phosphate cream in patients with plaque psoriasis. METHODS Topical INCB018424 phosphate 1·0% or 1·5% cream was applied once daily (QD) or twice daily (BID) for 4 weeks to 2-20% body surface area in five sequential cohorts of five patients aged 18-65 years. Target lesions were scored on a scale of 0-4 for erythema, scaling and thickness. Additionally, the overall disease activity in each patient was measured using Physician's Global Assessment. INCB018424 concentrations were measured in plasma, and cytokine stimulated phosphorylated signal transducer and activator of transcription 3 phosphorylation (pSTAT3) levels in peripheral blood cells were evaluated. Pretreatment and post-treatment skin biopsies were compared with healthy skin, including evaluation of histopathology, immunohistochemistry and mRNA expression. RESULTS Treatment with INCB018424 phosphate cream either 1·0% QD or 1·5% BID resulted in improvements in lesion scores. No significant inhibition of pSTAT3 in peripheral blood cells was observed following topical application, consistent with the generally low steady-state plasma concentrations of INCB018424 measured. Transcriptional markers of immune cell lineage/activation in lesional skin were reduced by topical INCB018424, with correlations observed between clinical improvement and decreases in markers of T helper 17 lymphocyte activation, dendritic-cell activation and epidermal hyperplasia. INCB018424 treatment reduced epidermal hyperplasia and dermal inflammation in most patient samples, with reductions in CD3, CD11c, Ki67 and keratin 16 observed by immunohistochemical analysis. CONCLUSIONS Topical INCB018424 dosed for 28 days QD or BID is pharmacologically active in patients with active psoriasis and modulates proinflammatory cytokines in the pathogenesis of psoriatic lesions.
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Affiliation(s)
- N Punwani
- Drug Development, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - T Burn
- Drug Discovery, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - P Scherle
- Drug Discovery, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - R Flores
- Drug Development, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - J Shi
- Drug Discovery, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - P Collier
- Drug Discovery, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - D Hertel
- Drug Discovery, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - P Haley
- Drug Discovery, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - Y Lo
- Drug Discovery, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - P Waeltz
- Drug Discovery, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - J Rodgers
- Drug Discovery, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - S Shepard
- Drug Discovery, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - K Vaddi
- Drug Discovery, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - S Yeleswaram
- Drug Discovery, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - R Levy
- Drug Development, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - W Williams
- Drug Development, Incyte Corporation, Rt. 141 and Henry Clay Road, Wilmington, DE, 19880, U.S.A
| | - A B Gottlieb
- Department of Dermatology, Tufts Medical Center, Boston, MA, U.S.A
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38
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Gouws AD, Alvarez I, Watson D, Uesaki M, Rodgers J, Morland AB. The role of cortical and subcortical suppression in spatial attention. J Vis 2014. [DOI: 10.1167/14.10.618] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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39
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Janes E, Riby DM, Rodgers J. Exploring the prevalence and phenomenology of repetitive behaviours and abnormal sensory processing in children with Williams Syndrome. J Intellect Disabil Res 2014; 58:746-757. [PMID: 23962322 DOI: 10.1111/jir.12086] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/08/2013] [Indexed: 06/02/2023]
Abstract
BACKGROUND A small amount of research with individuals who have Williams Syndrome (WS) suggests that children with the condition may be vulnerable to sensory processing abnormalities and present with repetitive and restricted behaviours. METHODS Parents of 21 children with WS aged 6-15 years completed a semi-structured interview designed to elicit the form, frequency, impact and developmental course of a range of sensory processing abnormalities and repetitive behaviours. RESULTS Findings indicate that sensory processing difficulties are predominantly characterised by hypersensitivities, particularly in relation to vestibular, auditory, gustatory and proprioceptive functioning. Parents also reported the presence of a range of restricted and repetitive behaviours, which were often associated with their child's sensory symptoms. CONCLUSIONS This study makes a significant contribution to our understanding of sensory functioning and repetitive behaviours in WS. It also highlights the need for a multidisciplinary assessment of the difficulties experienced by children with the disorder.
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Affiliation(s)
- E Janes
- Institute of Neuroscience, Newcastle University, Newcastle, Tyne and Wear, UK
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40
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Abstract
Trypanosoma brucei are extracellular kinetoplastid parasites transmitted by the blood-sucking tsetse fly. They are responsible for the fatal disease human African trypanosomiasis (HAT), also known as sleeping sickness. In late-stage infection, trypanosomes cross the blood–brain barrier (BBB) and invade the central nervous system (CNS) invariably leading to coma and death if untreated. There is no available vaccine and current late-stage HAT chemotherapy consists of either melarsoprol, which is highly toxic causing up to 8% of deaths, or nifurtimox–eflornithine combination therapy (NECT), which is costly and difficult to administer. There is therefore an urgent need to identify new late-stage HAT drug candidates. Here, we review how current imaging tools, ranging from fluorescent confocal microscopy of live immobilized cells in culture to whole-animal imaging, are providing insight into T. brucei biology, parasite-host interplay, trypanosome CNS invasion and disease progression. We also consider how imaging tools can be used for candidate drug screening purposes that could lead to new chemotherapies.
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Affiliation(s)
- L MacLean
- Centre for Immunology and Infection, Department of Biology/Hull York Medical School, University of York, Heslington, York, UK.
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Abstract
BACKGROUND Compared with other conditions there has been a lack of focus on quality of life (QoL) as an outcome measure for children and young people with Autism Spectrum Disorder (ASD). This pilot study aimed to evaluate the validity of existing QoL questionnaires for use with children with ASD aged 8-12 years. METHODS A literature review (1990-2011) identified the PedsQL (Pediatric Quality of Life Inventory) and Kidscreen as robust measures used with children with neurodevelopmental disorders. These measures were completed by 10 children and 11 parents. In addition semi-structured interviews were conducted with 10 parents and four children to explore their experience of completing the QoL questionnaires. RESULTS Young people with ASD, and their parents, report lower child QoL compared with a normative sample. Framework analysis of the data highlighted six key themes which may affect the validity of generic QoL measures when administered within an ASD sample and which warrant further investigation. CONCLUSIONS Our results indicate that a new condition-specific measure of QoL, grounded in ASD children's own perspectives of their lives, is needed and that such a measure should assess experiences of anxiety and access to special interests when measuring QoL of children with ASD. Active involvement of young people and their families is critical for the development of a theoretical framework for QoL within ASD, and any future development of an ASD-specific measure.
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Affiliation(s)
- L Tavernor
- Institute of Health and Society, Newcastle University Institute of Neuroscience, Newcastle University, Newcastle, UK
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Bakhtiari M, Schmitt J, Zarkoob K, Aroumougame V, Sarfaraz M, Rodgers J. SU-E-T-688: Software to Evaluate the Effect of Applicator Translations and Rotations On HDR Plans. Med Phys 2013. [DOI: 10.1118/1.4815115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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43
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Bakhtiari M, Schmitt J, Sedaghat A, Aroumougame V, Sarfaraz M, Rodgers J. SU-E-T-182: The Effect of Multi Leaf Collimator Characteristics in Treatment Planning Systems Calculation Errors as Detected in Phantom and in Patient QA. Med Phys 2013. [DOI: 10.1118/1.4814617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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44
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Hanley P, Cruz R, Melenhorst J, Scheinberg P, Blaney J, Savoldo B, Dotti G, Heslop H, Rooney C, Shpall E, Barrett J, Rodgers J, Bollard C. Naïve T-cell-derived CTL recognize atypical epitopes of CMVpp65 with higher avidity than CMV-seropositive donor-derived CTL - a basis for treatment of post-transplant viral infection by adoptive transfer of T-Cells from virus-naïve donors. Cytotherapy 2013. [DOI: 10.1016/j.jcyt.2013.01.032] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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45
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Webster GJ, Stratford J, Rodgers J, Livsey JE, Macintosh D, Choudhury A. Comparison of adaptive radiotherapy techniques for the treatment of bladder cancer. Br J Radiol 2013; 86:20120433. [PMID: 23255547 PMCID: PMC4651060 DOI: 10.1259/bjr.20120433] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2012] [Revised: 10/02/2012] [Accepted: 10/10/2012] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE Day-to-day anatomical variations complicate bladder cancer radiotherapy treatment. This work quantifies the impact on target coverage and irradiated normal tissue volume for different adaptive strategies. METHODS 20 patients were retrospectively planned using different three-dimensional conformal radiotherapy treatment strategies for whole-bladder carcinoma: (i) "conventional" treatment used isotropic expansion of the clinical target volume (CTV) by 15 mm to the planning target volume (PTV) for daily treatment; (ii) "plan of the day" used daily volumetric on-treatment imaging [cone beam CT (CBCT)] to select from four available plans with varying superior PTV margins; (iii) "composite" strategies used on-treatment CBCTs from Fractions 1-3 to inform a composite CTV and adapted PTV (5- and 10-mm margins for composite 1 and composite 2, respectively) for subsequent treatment. Target coverage was evaluated from available CBCTs (the first three fractions then the minimum weekly thereafter), and the reduction in the irradiated volume (i.e. within the 95% isodose) was quantified. RESULTS Plan of the day improved target coverage (i.e. all of the bladder within the 95% isodose throughout the treatment) relative to conventional treatment (p=0.10), while no such benefit was observed with composite 2. Target coverage was reduced with composite 1 relative to conventional treatment. The mean irradiated volume was reduced by 17.2%, 35.0% and 14.6% relative to conventional treatment, for plan of the day, composite 1 and composite 2, respectively (p<0.01 in all cases). No parameters predictive of large changes in bladder volume later in the treatment were identified. CONCLUSIONS Adaptive techniques can maintain or improve target coverage while allowing for reduced irradiated volume and possibly reduced toxicity. The plan-of-the-day technique appeared to provide the optimal balance between target coverage and normal tissue sparing. ADVANCES IN KNOWLEDGE This study suggests that plan-of-the-day techniques will provide optimal outcomes for adaptive bladder radiotherapy.
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Affiliation(s)
- G J Webster
- Christie Medical Physics & Engineering, Christie NHS Foundation Trust, Manchester, UK.
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46
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Vidal AB, Rodgers J, Arnold M, Clifton-Hadley F. Comparison of Different Sampling Strategies and Laboratory Methods for the Detection ofC. jejuniandC. colifrom Broiler Flocks at Primary Production. Zoonoses Public Health 2012; 60:412-25. [DOI: 10.1111/zph.12009] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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47
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Andrews TJ, Gouws A, Silson EH, Rodgers J, Baseler H, Young AW, Hickman SJ, Morland AB. Recovery from achromatopsia and prosopagnosia is not reflected by corresponding changes in the response to color or faces in human visual cortex. J Vis 2012. [DOI: 10.1167/12.9.486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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48
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Chen Z, Bongiorni P, Donahue W, Hearn R, Rodgers J, Nath R. SU-E-T-92: on the Use of High-Sensitivity Thermoluminescent Dosimeters (TLDs) for Dosimetric Characterization of Low-Energy Brachytherapy Sources. Med Phys 2012; 39:3723. [PMID: 28517162 DOI: 10.1118/1.4735149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
PURPOSE To investigate the utility and accuracy of high-sensitivity TLD for dosimetric characterization of low-energy brachytherapy sources. METHODS One hundred high-sensitivity (TLD-100H) and 100 normal-sensitivity (TLD-100) TLDs were used in this study. The TLD-100s were annealed at 400°C for one hour and then kept at room temperature for 45 minutes followed by 80°C heating for 24 hours. To prevent temperature overshot from reducing the sensitivity of TLD-100Hs, a novel thermal reservoir was built, tested, and used to anneal TLD-100H at 240 0C for 15 minutes and then kept at room temperature for 45 minutes followed by 100 0C heating for one hour. These TLDs were then irradiated uniformly in a large cavity Cs-137 irradiator for biomedical research (Shepherd, Mark III) to test their reproducibility and to establish their relative sensitivities. The radial dose function of a Model AgX100 125I source was measured using both types of TLDs in water-equivalent solid phantoms as a test case. The radial dose function measured by the TLD-100H was compared with that measured by TLD-100 to determine its utility in brachytherapy dosimetry characterization. RESULTS Consistent and accurate annealing of high-sensitivity TLDs was achieved by using a custom-built thermal reservoir system. TLD-100H was found to be about 18 times more sensitive than TLD-100. For a 125I source with a source-strength of 2.7U, the irradiation time for radial dose function characterization up to 7 cm can be cut down from 38 days to 3 days. The radial dose function measured by TLD-100H agreed well (within ±6%) with that measured by TLD-100. CONCLUSIONS A novel thermal reservoir was used for consistent annealing of high-sensitivity TLDs. TLD-100H can significantly shorten the irradiation time needed for a complete characterization of radial dose function. Investigation of TLD-100H for complete brachytherapy source characterization is in progress. Supported in part by NIH grant R01-CA134627.
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Affiliation(s)
- Z Chen
- Yale University School of Medicine.,Theragenics Corp, Buford, G A
| | - P Bongiorni
- Yale University School of Medicine.,Theragenics Corp, Buford, G A
| | - W Donahue
- Yale University School of Medicine.,Theragenics Corp, Buford, G A
| | - R Hearn
- Yale University School of Medicine.,Theragenics Corp, Buford, G A
| | - J Rodgers
- Yale University School of Medicine.,Theragenics Corp, Buford, G A
| | - R Nath
- Yale University School of Medicine.,Theragenics Corp, Buford, G A
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49
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Donahue W, Bongiorni P, Hearn R, Rodgers J, Nath R, Chen Z. SU-E-T-112: Experimental Characterization of a Novel Thermal Reservoir for Consistent and Accurate Annealing of High-Sensitivity TLDs. Med Phys 2012; 39:3728-3729. [PMID: 28517151 DOI: 10.1118/1.4735170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
PURPOSE To develop and characterize a novel thermal reservoir for consistent and accurate annealing of high-sensitivity thermoluminescence dosimeters (TLD-100H) for dosimetry of brachytherapy sources. METHODS The sensitivity of TLD-100H is about 18 times that of TLD-100 which has clear advantages in for interstitial brachytherapy sources. However, the TLD-100H requires a short high temperature annealing cycle (15 min.) and opening and closing the oven door causes significant temperature fluctuations leading to unreliable measurements. A new thermal reservoir made of aluminum alloy was developed to provide stable temperature environment in a standard hot air oven. The thermal reservoir consisted of a 20 cm × 20 cm × 8 cm Al block with a machine-milled chamber in the middle to house the aluminum TLD holding tray. The thermal reservoir was placed inside the oven until it reaches thermal equilibrium with oven chamber. The temperatures of the oven chamber, heat reservoir, and TLD holding tray were monitored by two independent thermo-couples which interfaced digitally to a control computer. A LabView interface was written for monitoring and recording the temperatures in TLD holding tray, the thermal reservoir, and oven chamber. The temperature profiles were measured as a function of oven-door open duration. The settings for oven chamber temperature and oven door open-close duration were optimized to achieve a stable temperature of 240 0C in the TLD holding tray. Complete temperature profiles of the TLD annealing tray over the entire annealing process were obtained. RESULTS A LabView interface was written for monitoring and recording the temperatures in TLD holding The use of the thermal reservoir has significantly reduced the temperature fluctuations caused by the opening of oven door when inserting the TLD holding tray into the oven chamber. It has enabled consistent annealing of high-sensitivity TLDs. CONCLUSIONS A comprehensive characterization of a custom-built novel thermal reservoir for annealing high-sensitivity TLD has been carried out. It enabled consistent and accurate annealing of high- sensitivity TLDs which could significantly improve the efficiency of brachytherapy source characterizations. Supported in part by NIH grant R01-CA134627.
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Affiliation(s)
- W Donahue
- Yale University School of Medicine, New Haven, CT.,Theragenics Corporation, Atlanta, GA
| | - P Bongiorni
- Yale University School of Medicine, New Haven, CT.,Theragenics Corporation, Atlanta, GA
| | - R Hearn
- Yale University School of Medicine, New Haven, CT.,Theragenics Corporation, Atlanta, GA
| | - J Rodgers
- Yale University School of Medicine, New Haven, CT.,Theragenics Corporation, Atlanta, GA
| | - R Nath
- Yale University School of Medicine, New Haven, CT.,Theragenics Corporation, Atlanta, GA
| | - Z Chen
- Yale University School of Medicine, New Haven, CT.,Theragenics Corporation, Atlanta, GA
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50
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Bakhtiari M, Parniani A, Lerma F, Reynolds S, Jordan J, Sedaghat A, Sarfaraz M, Rodgers J. SU-E-T-37: Evaluation of Software Systems That Estimate Patient Dose Errors Based on Planar IMRT QA Measurements. Med Phys 2012. [DOI: 10.1118/1.4735092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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