Home » Posts tagged 'balaji ganeshan' (Page 2)
Tag Archives: balaji ganeshan
Feedback PLC – ICENI Centre & ISLCRS study to investigate whether textural features of rectal cancer on Magnetic Resonance can predict long term survival
Magnetic resonance based texture parameters as potential imaging biomarkers for predicting long term survival in locally advanced rectal cancer patients.
Omer Jalil, Asim Afaq, Balaji Ganeshan, Uday Patel, Raymond Endozo, Darren Boone, Ashley Groves, David Humber, Tan Arulampalam
ICENI Centre
Colchester University Hospital
Colchester
CO4 5JL
Introduction:
Heterogeneity is a well-known feature of malignancy and is associated with adverse outcomes. Tumour heterogeneity can be quantified on imaging using textural analysis (TA), which assesses the distribution of pixel grey-level intensity, coarseness and regularity and have shown to predict survival outcomes in a number of oncological applications. The main objective of this study was to investigate whether textural features of rectal cancer on MR can predict long term survival.
Methodology:
Patients with primary non-metastatic locally advanced rectal adenocarcinoma treated with long course chemoradiotherapy (LCRT) with curative intent from 01/2006 to 06/2011 in our institution were included. TA of T2-weighted pre and post LCRT MR images was undertaken using TexRAD, a proprietary software algorithm (TexRAD Ltd www.texrad.com, part of Feedback Plc). Tumour region of interest (ROI) delineating the largest cross-sectional area underwent MRTA comprising an image filtration-histogram technique. Filtration step extracted features of different sizes (fine, medium, coarse – texture scales) followed by quantification of statistical features (mean intensity, standard-deviation, entropy, skewness, kurtosis and mean of positive pixels – MPP) using histogram analysis. Univariate Kaplan Meier analysis was used to assess the ability of the biomarkers (textures and other clinically employed radiological and histological features) to predict survival. Cox-multiple regression analysis determined which significant univariate markers were independent predictors of survival.
Results:
For overall survival (OS), pre-treatment texture features (MPP at fine-texture, p=0.008, Mean at medium-texture, p=0.03) were significant univaraite markers of OS. Using multi-variate analysis, these pre-treatment textures (MPP at fine-texture, HR: 6.5, 95% CI: 1.9 – 22.0, p=0.002, Mean at medium-texture, HR: 5.6, 95% CI: 1.4 – 21.7, p=0.013) and post-treatment EMVI positive status (HR: 5.2, 95% CI: 1.6 – 16.8, p=0.006) were the only independent predictors of OS.
For disease-free survival (DFS), pre-treatment texture (Mean at medium-texture, p=0.007) and post-treatment texture (Kurtosis at medium-texture, p=0.009) were significant univaraite markers of DFS. Using multi-variate analysis, the post-treatment textures (Kurtosis at medium-texture, HR: 3.5, 95% CI: 1.3 – 9.5, p=0.013) and pre-treatment CRM involvement (HR: 5.2, 95% CI: 1.5 – 18.1, p=0.010) were the only independent predictors of DFS
Conclusion:
Non-invasive imaging features derived during the filtration histogram method of MR Textural analysis can predict patients with poorer prognosis before undergoing surgery, and could lead to selection of patients for more intensive treatment before undergoing surgery.
Table1- Significant features on univariate and multivariate analysis-OS
OS: Significant pre-treatment texture parameters | Filter value | Univariate analysis P value | Multivariate analysis p value |
Mean | 3 | 0.03 | .013 |
MPP | 2 | 0.008 | .002 |
3 | 0.029 | ||
4 | 0.019 | ||
OS: Significant post-treatment texture parameters | |||
Skewness | 2 | .034 | |
OS: Significant Clinical Variables | |||
Pre treatment | |||
EMVI status | .017 | ||
CRM status | .036 | ||
Post treatment | |||
EMVI status | .002 | .006 | |
CRM status | .027 | ||
TRG status | .002 | ||
ypCRM involvement | .007 |
Table 2: Significant features on univariate and multivariate analysis- DFS
DFS: Significant pre-treatment texture parameters | Filter Value | Univariate Analysis P value | Multivariate Analysis P value |
Mean | 2 | 0.031 | |
3 | 0.007 | ||
4 | 0.027 | ||
6 | 0.043 | ||
MPP | 2 | 0.022 | |
3 | 0.045 | ||
4 | 0.022 | ||
5 | 0.047 | ||
6 | 0.047 | ||
Skewness | 2 | 0.044 | |
DFS: Significant post-treatment texture parameters | |||
MPP | 2 | 0.032 | |
Skewness | 2 | 0.034 | |
Kurtosis | 3 | 0.042 | |
4 | 0.009 | .013 | |
DFS- Significant Clinical Variables | |||
Pre treatment | |||
CRM status | .006 | .010 | |
EMVI status | .017 | ||
CRM status | .019 | ||
TRG status | .022 | ||
PCR (ypT0N0M0) | .035 | ||
Feedback PLC – NHS England “Alert” on potential application of TexRAD for assessing lung cancer patients
Feedback plc is pleased to announce that the research arm of NHS England has published an “Alert” on the potential application of Feedback’s TexRAD CT texture analysis software for assessing patients with lung cancer. The National Institute for Health Research through its Horizon Scanning Research and Intelligence Centre (NIHR HSRIC) based at the University of Birmingham, England has also posted the Alert on its publicly accessible website. (www.hsric.nihr.ac.uk)
NIHR HSRIC is an academic unit which independently investigates and provides advanced notice of new and emerging medical devices and diagnostics that have the potential to positively impact upon the NHS within the next two years. Before writing the Alert, NIHR HSRIC looked at TexRAD CT texture analysis technology and its potential use for assessing patients with different cancers but particularly for those with lung cancer. The Alert will be distributed within the NHS and to national healthcare organisations and policy makers such as the National Institute for Health and Care Excellence (NICE) and the UK National Screening Committee.
Dr. Balaji Ganeshan, Chief Scientist & New Business Officer of the Company’s subsidiaries TexRAD Ltd & Cambridge Computed Imaging Ltd commented: “The Alert from the NHS’s research arm is a significant step towards potentially obtaining NICE approval for TexRAD to be used as a clinical tool for assessing patients with lung cancer. This adds to the recently announced clinical adoption study focused on lung cancer being undertaken by Professor Ken Miles at the Princess Alexandra Hospital, Brisbane, Australia. “
For further information contact:
Feedback plc |
Tel: 01954 718072 |
Simon Barrell / Trevor Brown / Tom Charlton |
|
Sanlam Securities UK (Nominated Adviser and Joint Broker) |
Tel: 020 7628 2200 |
Simon Clements / Virginia Bull |
|
Peterhouse Corporate Finance Ltd(Joint Broker) |
Tel: 020 7469 0936 |
Lucy Williams / Duncan Vasey |
|
Notes to editors:
TexRAD is a novel sophisticated imaging risk stratification research tool that analyses the textures in existing radiological scans. This research software application analyses textures, detecting and measuring tumour heterogeneity (complexity) from these images, revealing more information from medical images than is readily visible to the naked eye. Research to date has shown that TexRAD could potentially assist the clinician (as an ‘Imaging-Biomarker’) in confident decision-making: it has the potential to assess the prognosis, disease-severity (e.g. risk of metastases) and response evaluation of patients with cancer. Currently TexRAD research has shown great potential in many different oncological sites, including, colorectal, breast, lung, prostate, oesophageal, head & neck, lymphoma, liver and renal cancers and could potentially be employed as a heterogeneity assessing tool in the era of ‘Precision and Personalized Medicine’. TexRAD is manufactured under licence by company Cambridge Computed Imaging Ltd, a subsidiary of Feedback plc. More information is available on www.fbk.com and www.texrad.com.
Feedback PLC forms JV with Quibim SL to develop Prostate Checker TexRAD application
Feedback plc is pleased to announce the incorporation of a 50:50 joint venture company, Prostate Checker Ltd, with QUIBIM S.L., to develop a specific application of TexRAD texture analysis in combination with multiple extracted parameters from MR images for the computer assisted detection and diagnosis of prostate cancer. To facilitate this, Feedback Plc has granted a licence of certain TexRAD intellectual property to PC.
QUIBIM, which is based in Valencia, Spain, derives its name from Quantitative Imaging Biomarkers In Medicine. It has collaborative relationships with Spanish hospitals and is especially dedicated to medical image processing and the extraction of imaging biomarkers for medical imaging workflows. Prostate Checker will combine texture analysis with other image analysis parameters from QUIBIM such as diffusion and perfusion to develop an integrated product which would potentially assist clinicians in diagnosing and assessing treatment options for prostate cancer. The potential implications for patient care are very significant, with the additional information to be derived from PC’s analysis of routinely acquired MR images allowing for better risk stratification of patients and more personalised treatment. A presentation is available onhttp://prostatechecker.co.uk .
A preliminary study undertaken at the University College London of around 100 prostate cancer patients demonstrated the potential for TexRAD analysis of MR images to differentiate between significant and less significant cancers. This was presented at the International Society of Magnetic Resonance in Medicine (ISMRM) in Milan in 2014.
Prof. Dr. Luis Martí-Bonmatí, a leading European radiologist and authority on the use of MRI in diagnosing abdominal and pelvic cancers, commented: “TexRAD MR texture analysis in combination with QUIBIM diffusion & perfusion modelling may be a useful tool for risk stratification to identify patients with significant cancers from less significant prostate cancers and more accurately triaging those prostate cancer patients for appropriate management (treatment or active surveillance)”
Dr. Balaji Ganeshan, Chief Scientist & New Business Officer of the Company’s subsidiaries TexRAD Ltd & Cambridge Computed Imaging Ltd commented: “We are delighted to be setting up a joint venture company Prostate Checker Ltd, with QUIBIM to develop a composite imaging risk stratification multi-parametric (textures, perfusion, diffusion etc) MR software product dedicated to the management of prostate cancer patients.”
Dr. Angel Alberich-Bayarri, Chief Executive Officer of QUIBIM commented: “We are very pleased in starting this new strategic alliance with Feedback, where our high performance teams will merge under the umbrella of the new JV company, Prostate Checker Ltd. I am sure that we can develop the most advanced MR imaging solutions for prostate cancer diagnosis in the market which wouldn’t be possible with independent strategies”.
For further information contact:
Feedback plc |
Tel: 01954 718072 |
Simon Barrell / Trevor Brown / Tom Charlton |
|
QUIBIM SL |
Tel: +34 6867 84484 |
Angel Alberich-Bayarri |
|
Sanlam Securities UK (Nominated Adviser and Joint Broker) |
Tel: 020 7628 2200 |
Simon Clements / Virginia Bull |
|
Peterhouse Corporate Finance Ltd (Joint Broker) |
Tel: 020 7469 0936 |
Lucy Williams / Duncan Vasey |
|
Notes to editors:
TexRAD is a novel sophisticated imaging risk stratification research tool that analyses the textures in existing radiological scans. This research software application analyses textures, detecting and measuring tumour heterogeneity (complexity) from these images, revealing more information from medical images than is readily visible to the naked eye. Research to date has shown that TexRAD could potentially assist the clinician (as an ‘Imaging Biomarker’) in confident decision-making: it has the potential to assess the prognosis, disease-severity (e.g. risk of metastases) and response evaluation of patients with cancer. Currently TexRAD research has shown great potential in many different oncological sites, including, colorectal, breast, lung, prostate, oesophageal, head & neck, lymphoma, liver and renal cancers and could potentially be employed as a heterogeneity assessing tool in the era of ‘Precision and Personalized Medicine’. TexRAD is manufactured under licence by company Cambridge Computed Imaging Ltd, a subsidiary of Feedback plc. More information is available on www.fbk.com and www.texrad.com.
QUIBIM is a company specialized in the analysis of imaging biomarkers from medical images. The company receives the images from the customer, performs the image analysis and provides back an intuitive report with the relevant results for the diagnosis, prognosis and staging of lesions. Therefore the qualitative approach of radiology is complemented by QUIBIM’s quantitative service. The company is currently developing a new platform (QUIBIM-Precision®) under the philosophy of SaaS (software as a service) that will allow the analysis of a spectrum of imaging biomarkers that can be extracted from medical images (magnetic resonance, computed tomography, positron emission tomography, X-ray) in different organs and pathologies (‘from head to toe’ approach). The main solutions of the company beyond the prostate are their advanced analysis of trabecular bone from MR or CT for the microarchitecture characterization in osteoporosis and oncology; the liver fat fraction and iron concentrations quantification; the lung emphysema quantification in COPD (Patented) and neuroimaging techniques (volumetry, morphometry, tractography, lesions detection, iron concentration) for brain diseases diagnosis. More information is available at www.quibim.com.
Feedback PLC – Dr Balaji Ganeshan talks to DirectorsTalk about Stone Checker JV.
Dr Balaji Ganeshan, Chief Scientific Officer at Feedback (FDBK) talks to DirectorsTalk about a new JV with UKUA forming the company “Stone Checker Software Ltd”.
Feedback PLC announces it has licensed TexRAD to Stone Checker
Feedback plc (FDBK), the medical imaging software company, previously announced on 13 April 2015 that it had signed a research agreement with the Oxford Stone Group at the University of Oxford & Oxford University Hospital NHS Trust, UK to investigate the potential future clinical application of Feedback’s TexRAD texture analysis software on computed tomography (CT) image data of patients with kidney stones. On 11 May 2015, Feedback announced the pilot results from a preliminary feasibility study.
A larger retrospective validation study comprising 90 patients carried out by the Oxford research team led by Mr Ben Turney (Bernard Senior Clinical Researcher in Urology at the University of Oxford and Honorary Consultant Urological Surgeon) is currently under way.
Following these studies, Feedback is pleased to announce the incorporation of a 50:50 joint venture company “Stone Checker Software Ltd” with U.K. Urology Associates Limited (UKUA) to commercialise the specific application of TexRAD texture analysis in Urolithiasis. To facilitate this, Feedback Plc has granted a licence of TexRAD intellectual property to Stone Checker.
UKUA has expertise in a wide range of technology applications in the specialist Urology field. This knowledge extends from the development and distribution of novel medical equipment for both benign and malignant urological diseases through to the use of software in urodynamics. The team comprises an experienced group of healthcare technology innovators.
The vision of Stone Checker is to develop a composite risk stratification software product following stringent clinical standards and regulatory standards. TexRAD CT texture analysis will be incorporated with other known clinical markers to develop an integrated product which would potentially assist urologists and radiologists to provide better patient management and treatment decisions for improved patient outcomes. There is a large potential worldwide market for a non-invasive risk stratification tool based on the common occurrence of kidney stones around the world.
Mr Jeevan Virk, Chief Operations Officer of UKUA commented: “The opportunity to collaborate with Feedback plc in the development of a specific urological software is hugely exciting and will provide enormous benefits to patients who will receive appropriate therapy, clinicians who will be able to optimise their use of time and improve success rates, and the healthcare payers who will no longer have to pay for high failure rates in lithotripsy. It is unusual to have a product which fully lines up to provide benefits to the whole clinical team, but this is the promise of Stone Checker software.”
Dr. Balaji Ganeshan, Chief Scientist & New Business Officer of the Company’s subsidiaries TexRAD Ltd & Cambridge Computed Imaging Ltd commented: “We are delighted with the formation of a new JV company with UKUA, Stone Checker Software Ltd, to develop a novel composite clinical score based software product dedicated to the management of kidney stone patients.”
For further information contact:
Feedback plc |
Tel: 01954 718072 |
Simon Barrell / Trevor Brown / Tom Charlton |
|
Sanlam Securities UK (Nominated Adviser and Joint Broker) |
Tel: 020 7628 2200 |
Simon Clements / Virginia Bull |
|
Peterhouse Corporate Finance Ltd(Joint Broker) |
Tel: 020 7469 0936 |
Lucy Williams / Duncan Vasey |
More Feedback please! Alan Green discusses Feedback (FDBK) developments on the ADVFN podcast
More Feedback please! Alan Green discusses Feedback (FDBK) developments with Justin Waite on the ADVFN podcast. FDBK assessment is 9 minutes in. Listen to the podcast here
Feedback (FDBK) – First sale of TexRAD in China
Feedback plc (FDBK), the medical imaging software company, is pleased to announce the first sale for research purposes of Feedback’s TexRAD texture analysis software in China. Peking Union Medical College Hospital, Beijing, China (‘PUMCH’), has recently purchased the TexRAD software to undertake research studies in cancer and other diseases. This has been made possible via logistical support from GE Healthcare.
PUMCH is one of the most renowned hospitals in the People’s Republic of China. It was founded in 1921 by the China Medical Board in New York under the Rockefeller Foundation and is located in the centre of modern Beijing. PUMCH is committed to delivering state-of-the-art clinical care, innovative scientific research and rigorous medical education and it enjoys a high reputation for its full range of disciplines, leading medical practitioners and cutting-edge technologies. It is also a national referral centre for the diagnosis and therapeutic care of complex and rare disorders.
Dr. Huadan (Danna) Xue, Assistant Professor in the Department of Radiology, PUMCH commented, “We are very excited with the prospects of using the TexRAD imaging research software platform in conjunction with the research and clinical support from GE towards PUMCH, further reinforcing our vision and reputation of being early adopters of new technologies, particularly in the fascinating area of quantitative imaging and its applications in cancer care and other diseases.”
TexRAD research software will extract key heterogeneity information via a novel quantitative texture analysis approach from PUMCH’s cancer imaging datasets. TexRAD has already established itself as a leading and innovative texture analysis software product, currently employed as a research tool in a number of prestigious imaging centres and university hospitals in the western world and recently in other large Asian markets such as South Korea and Japan. Similarly at PUMCH, TexRAD will be assisting to enhance the research output in cancer and other non-cancer imaging applications and helping to identify potential clinical applications to improve care management of patients in the future.
Dr. Balaji Ganeshan, Chief Scientist and New Business Officer at the Company’s subsidiaries TexRAD Ltd and Cambridge Computed Imaging Ltd, commented, “We are delighted to receive this order, working with a leading original equipment manufacturer on the sale and entering the huge Chinese market. We are especially privileged to be supplying PUMCH which is recognized to be the leading hospital in China and working with the Department of Radiology, headed by the internationally renowned Dr Zheng-Yu Jin. We believe this will open up new avenues and opportunities for Feedback in establishing itself and fulfilling its vision as an innovative multi-modality medical imaging software company.”
For further information contact:
Feedback plc |
Tel: 01954 718072 |
Simon Barrell / Trevor Brown / Tom Charlton |
|
Sanlam Securities UK (Nominated Adviser and Joint Broker) |
Tel: 020 7628 2200 |
Simon Clements / Virginia Bull |
|
Peterhouse Corporate Finance Ltd (Joint Broker) |
Tel: 020 7469 0936 |
Lucy Williams / Duncan Vasey |
|
Feedback company TexRAD wins the inaugural Sussex Impact Award at the University of Sussex
Sussex research has improved lives and changed the outside world in areas from lad culture to chemical weapons and sustainable food, as recognised by an inaugural awards ceremony on campus on16 June.
The winners of the first Sussex Impact and Research Awards were announced at a celebratory reception in the Jubilee building.
Sussex researchers from across the University joined the Vice-Chancellor and external guests for Tuesday evening’s event, which followed the first Sussex Impact Day.
Feedback company TexRAD won the inaugural Sussex Impact Award at the University of Sussex. There were 3 categories for the awards:
1. Enabling impact for early stage technologies
2. Achieving impact for technologies having an impact
3. Emerging researcher
TexRAD won in the “achieving impact category” – application was put by the Engineers led by Prof. Chris Chatwin with some inputs from Feedback’s Chief Scientist & New Business Officer Dr Balaji Ganeshan.
Link here to read the Sussex Impact and Research Awards article.
Feedback PLC announces preliminary results from the Oxford Stone Group using TexRAD research software in the analysis of kidney stones
Feedback plc previously announced on 13 April 2015 that it had signed a research agreement with the Oxford Stone Group at the University of Oxford & Oxford University Hospital NHS Trust, UK to investigate the potential future clinical application of Feedback’s TexRAD texture analysis software on computed tomography (CT) image data of patients with kidney stones.
The preliminary results from a 38 patient retrospective study so far are promising. Researchers at Oxford have demonstrated that TexRAD texture analysis could identify from pre-treatment CT scans which patients would have “successful” shockwave lithotripsy (SWL) therapy from those who would have “unsuccessful” therapy.
The research was led by Mr Ben Turney (Bernard Senior Clinical Researcher in Urology at the University of Oxford and Honorary Consultant Urological Surgeon) and carried out by Mr Daniel Stevens (Academic Clinical fellow in Urology at the University of Oxford).
Mr Ben Turney, a leading authority on stone disease in the UK, commented: “Shock Wave Lithotripsy (SWL) is a well-established non-invasive surgical procedure for urolithiasis. However around 30-40% of patients do not achieve stone clearance and proceed to alternative treatments. We have demonstrated in this first preliminary study that TexRAD CT textural analysis appears to be an independent novel predictive biomarker for SWL success. TexRAD CT texture analysis may be a useful tool for risk-stratification and more accurately triaging those patients who will benefit from SWL. The next step is to undertake a prospective study to ascertain the clinical utility of this finding in a large population. Additionally, we shall explore other research questions such as assessing the stone composition and differentiate between actual stones and those conditions that mimic stone-like characteristics to increase diagnostic confidence and prevent unnecessary costly investigation and treatments.”
Dr. Balaji Ganeshan, Chief Scientist & New Business Officer of the Company’s subsidiaries TexRAD Ltd & Cambridge Computed Imaging Ltd commented: “We are delighted with the positive results from the preliminary study within a few weeks of signing the research agreement with Mr Ben Turney and the team at Oxford. This is very encouraging news and provides an opportunity for Feedback Plc to develop a TexRAD based kidney stone software product dedicated to the management of kidney stone patients.”
Mr Ben Turney and team have further submitted their preliminary results as an abstract for a possible presentation to the Challenges in Endourology meeting (http://www.challenges-endourology.com) in Paris in June 2015.
For further information contact:
Feedback plc
Tel: 01954 718072
Simon Barrell / Trevor Brown / Tom Charlton
Sanlam Securities UK (Nominated Adviser and Joint Broker)
Tel: 020 7628 2200
Simon Clements / Virginia Bull
Peterhouse Corporate Finance Ltd (Joint Broker)
Tel: 020 7469 0936
Lucy Williams / Duncan Vasey