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Case Study 3. Establishing the effectiveness of laparoscopic surgery for colorectal cancer leading to safer implementation into the NHS and world-wide for greater a patient benefit

Summary of the impact

The MRC Conventional versus Laparoscopic-Assisted Surgery In Colorectal Cancer trial (CLASICC) is the largest and most successful UK trial of a technology applied to general surgery. It addressed an area of huge clinical uncertainty, providing a rigorous evaluation of a new technology and enabling its safe and widespread implementation. The impact of CLASICC has been global, confirming the advantages for patients (quicker recovery) and healthcare providers (cost-effectiveness) and so influencing national and international policy in favour of the laparoscopic technique. It informed NICE guidance and led to a major DH initiative that has seen the UK become one of the largest providers in the world of laparoscopic colorectal cancer surgery. CLASICC is regarded as a benchmark surgical trial, combining high quality trial design with rigorous quality assurance, which has informed the design of many subsequent colorectal cancer studies.

Submitting Institution

University of Leeds

Unit of Assessment

Clinical Medicine

Summary Impact Type

Technological

Research Subject Area(s)

Medical and Health Sciences: Clinical Sciences, Oncology and Carcinogenesis

Case Study 4. Improving chemotherapy, radiotherapy and patient outcomes for colorectal cancer through patient-focused integrated clinical trials

Summary of the impact

Colorectal cancer is a common disease, which frequently causes death or morbidity, either because of failure to control the primary tumour or failure to prevent distant metastases. Leeds researchers have devised new treatment approaches using chemotherapy and radiotherapy and tested them in large randomised controlled trials which have led to major changes in clinical practice in the management of rectal cancer and advanced colorectal cancer (aCRC), driving clinical decision-making and improving outcomes for patients. This includes better-evidenced treatment for elderly patients and patient stratification on the basis of molecular biomarkers.

Submitting Institution

University of Leeds

Unit of Assessment

Clinical Medicine

Summary Impact Type

Health

Research Subject Area(s)

Medical and Health Sciences: Oncology and Carcinogenesis

Change in practice for surgical teams: Major surgery for cancerous tumour removal

Summary of the impact

This case study refers to a change in practice for surgical teams when considering major surgery for the removal cancerous tumours. Such procedures carry significant risk of death within 30-days and reliance on intensive care in the post-operation period. Our research demonstrated that a significant predictor of mortality was physical fitness prior to undertaking chemotherapy. Hence exercise testing is now used in a systematic manner in order to objectively assess risk prior to chemotherapy and surgery

Submitting Institution

Liverpool Hope University

Unit of Assessment

Sport and Exercise Sciences, Leisure and Tourism

Summary Impact Type

Health

Research Subject Area(s)

Medical and Health Sciences: Clinical Sciences, Oncology and Carcinogenesis

5. Cardiff research yields evidence for benefits of sentinel node biopsy and spearheads training in the technique as a standard of care in breast cancer surgery

Summary of the impact

Research at Cardiff University is underpinning the abandonment of the 100-year-old surgical practice of removing all axillary lymph nodes in cases of breast cancer. Such surgery frequently caused arm lymphoedema, loss of arm mobility and lymphatic system damage. Cardiff led the seminal ALMANAC trial which showed that full node clearance was unnecessary if a biopsy of the first draining `sentinel' node was cancer-free. Cardiff then spearheaded the impact on practice through a training and awareness programme for surgeons, primarily in the UK, but also in China, India, Brazil and Turkey. By 2010 these efforts had established the Sentinel Lymph Node Biopsy (SLNB) procedure as standard in the UK, while the study was also cited in USA guidelines. The main beneficiaries of the impact are the 50-75% of breast cancer patients who now enjoy lower levels of pain, shoulder disability and arm lymphoedema. Healthcare providers also benefit financially from a reduced need for extensive surgery.

Submitting Institution

Cardiff University

Unit of Assessment

Clinical Medicine

Summary Impact Type

Health

Research Subject Area(s)

Medical and Health Sciences: Oncology and Carcinogenesis

Lower risks to patients, advances in international practice and substantial resource savings result from ‘beating heart’ off-pump coronary artery bypass surgery

Summary of the impact

University of Bristol researchers at the Bristol Heart Institute (BHI) have pioneered the development and clinical take-up of the novel technique of off-pump coronary artery bypass (OPCAB) surgery. Over ten clinical trials and several large cohort analyses have assessed the impact of this technique on elective and high-risk patients. The results have shown that it is as safe as the conventional coronary artery bypass grafting (CABG) technique that uses a cardiopulmonary bypass pump and cardioplegic arrest. Most importantly, however, OPCAB significantly reduces the risk of post-operative complications, and reduces morbidity and mortality. It also uses less hospital resources, reducing time in intensive care and length of hospital stay. In 2011 (the last year for which data are available), 20% of CABG operations in the UK were carried out with the OPCAB technique and it has had significant take-up overseas (for example, 18% of CABG operations in the US and 21% in the EU in 2010). NICE has recommended the safety and efficacy of OPCAB surgery.

Submitting Institution

University of Bristol

Unit of Assessment

Clinical Medicine

Summary Impact Type

Technological

Research Subject Area(s)

Medical and Health Sciences: Cardiorespiratory Medicine and Haematology, Clinical Sciences, Public Health and Health Services

Development and validation of innovative colorectal surgery procedures

Summary of the impact

Professor Norman Williams and colleagues, based at Queen Mary, developed innovative surgical procedures for patients with anorectal diseases to preserve function, reduce morbidity, eliminate the need for a permanent stoma and reduce its complications. They tested these in clinical trials and showed them to be effective and improve quality of life. The APPEAR procedure (designed to preserve continence in patients who would otherwise require a permanent stoma) is now used internationally and electrically stimulated gracilis muscle (ESGN) is well established as a treatment for end-stage faecal incontinence (FI). The team has harnessed the science of neuromodulation to provide minimally invasive methods of treating FI and developed robust processes for technological development, training and dissemination. Two patents have been filed for innovative surgical instruments and these have been developed commercially.

Submitting Institution

Queen Mary, University of London

Unit of Assessment

Clinical Medicine

Summary Impact Type

Health

Research Subject Area(s)

Medical and Health Sciences: Clinical Sciences, Neurosciences

Improving clinical decision making and patient outcomes in severe limb ischaemia

Summary of the impact

Severe Limb Ischaemia (SLI), in which there is reduced blood flow to the leg(s), is the commonest cause worldwide of gangrene and limb loss. The BASIL trial, led by Professor Andrew Bradbury at the University of Birmingham, was the first (and remains the only) randomised controlled trial to investigate whether surgical bypass or endovascular (`keyhole') treatment is best at relieving symptoms and preventing amputation and/or death in patients with SLI. The outcomes of the study have been of worldwide interest, and the recommendations put forward by the team have been endorsed by a number of high profile clinical organisations. These findings are also nowincorporated within a series of national and international guidelines on SLI.

Submitting Institution

University of Birmingham

Unit of Assessment

Clinical Medicine

Summary Impact Type

Health

Research Subject Area(s)

Medical and Health Sciences: Cardiorespiratory Medicine and Haematology, Clinical Sciences, Public Health and Health Services

E: Uterine artery embolisation is superior to surgery in the short term, for the treatment of symptomatic uterine fibroids

Summary of the impact

Impact: Health and welfare; a UK clinical trial of uterine artery embolisation (UAE), with five-year follow-up, defined the risk- and cost-benefit of UAE versus surgery.

Significance: The trial informed guidelines/recommendations internationally and changed clinical practice. Women worldwide can now make an informed choice about their treatment; economic factors have been quantitated.

Beneficiaries: Uterine fibroid patients, the NHS, healthcare providers.

Attribution: G. Murray, UoE, developed and delivered innovative trial methodology; clinical aspects led by University of Glasgow.

Reach: UK guidelines; worldwide (Australia, USA, Europe) effect on clinical practice that will impact up to 25% of women.

Submitting Institution

University of Edinburgh

Unit of Assessment

Clinical Medicine

Summary Impact Type

Health

Research Subject Area(s)

Medical and Health Sciences: Clinical Sciences, Oncology and Carcinogenesis, Public Health and Health Services

Targeted intraoperative radiotherapy at the time of lumpectomy for patients with early breast cancer as an alternative to conventional 3-6 weeks of postoperative radiotherapy

Summary of the impact

Research from UCL Division of Surgery has transformed the breast cancer treatment paradigm so women can complete their local treatment intraoperatively (~30 min), with reduced toxicity. Our work has challenged the dogma of giving several weeks of whole breast radiotherapy (EBRT) after lumpectomy for breast cancer with our idea of irradiating only the tumour bed in selected cases; we have developed and evaluated new technology called TARGeted Intraoperative radioTherapy (TARGIT) within the novel approach of risk-adapted radiotherapy. To date, TARGIT has saved 180,000 hospital visits and could save £60M(UK)/ $280M(USA)/year.

Submitting Institution

University College London

Unit of Assessment

Clinical Medicine

Summary Impact Type

Technological

Research Subject Area(s)

Medical and Health Sciences: Oncology and Carcinogenesis

Radiotherapy for ductal carcinoma in situ reduces recurrence

Summary of the impact

The primary treatment for ductal carcinoma in situ (DCIS, cancer confined to the milk ducts of the breast) is surgery, and breast-conserving surgery is increasingly preferred over mastectomy. The UK/ANZ DCIS trial, co-led by Queen Mary researchers, showed that following surgery, women with DCIS are significantly less likely to develop invasive disease if given radiotherapy, and that this protection persists long term. NICE recommends that, following adequate breast conserving surgery, adjuvant radiotherapy should be offered to patients with DCIS. This recommendation is also current in the United States, Canada, Australia, and many European countries. Based on current figures, we estimate that in UK alone, around 260 women each year are spared a recurrence of breast cancer as a result of this research.

Submitting Institution

Queen Mary, University of London

Unit of Assessment

Clinical Medicine

Summary Impact Type

Health

Research Subject Area(s)

Medical and Health Sciences: Oncology and Carcinogenesis

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