| Combination of different types of tests for the non-invasive diagnosis of endometriosis |
| Combination of magnetic resonance cholangiopancreatography and conventional magnetic resonance imaging for the diagnosis of bile duct stenosis |
| Combination therapy of inhaled steroids and long-acting beta2-agonists compared to inhaled steroids alone for people with COPD |
| Combination treatment of pegylated interferon and tenofovir versus tenofovir for people with chronic hepatitis B |
| Combinations of anti-cancer drugs to treat high-risk cancers arising from the placenta, known as high-risk gestational trophoblastic neoplasia (GTN) |
| Combinations of drugs versus single drugs to treat fibromyalgia pain in adults |
| Combinations of insulin and oral glucose-lowering drugs for people with type 2 diabetes on insulin treatment |
| Combinations of tocolytic drugs for inhibiting preterm labour |
| Combinations of topical fluoride (toothpastes, mouthrinses, gels, varnishes) versus single topical fluoride for preventing dental caries in children and adolescents |
| Combined beta-agonists and anticholinergics compared to beta-agonists alone for adults with asthma treated in emergency departments |
| Combined calcium, magnesium and potassium supplementation for the management of primary hypertension in adults |
| Combined chiropractic interventions for low-back pain |
| Combined conservative interventions for urge, stress or mixed incontinence in adults |
| Combined corticosteroid and long-acting beta-agonist in one inhaler for chronic asthma |
| Combined diet and exercise in pregnancy for preventing gestational diabetes mellitus |
| Combined DTP-HBV vaccine versus separately administered DTP and HBV vaccines for primary prevention of diphtheria, tetanus, pertussis, and hepatitis B |
| Combined DTP-HBV-HIB vaccine versus separately administered DTP-HBV and HIB vaccines in healthy infants up to two years old |
| Combined glaucoma and cataract surgery versus cataract surgery alone for eyes with cataract and glaucoma |
| Combined hormonal contraceptives for heavy menstrual bleeding |
| Combined hormonal contraceptives taken in extended regimens for more than 28 days compare favorably to traditional 28-day cyclic hormonal contraceptives. |
| Combined ICS-LABA for children and adults with bronchiectasis |
| Combined inhaled anticholinergics and beta2-agonists for initial treatment of acute asthma in children |
| Combined inhalers compared to tiotropium inhalers for the treatment of chronic obstructive pulmonary disease |
| Combined inhalers versus placebo for the treatment of chronic obstructive pulmonary disease (COPD) |
| Combined large neutral amino acid supplementation for phenylketonuria (PKU) |
| Combined oral contraceptive pill (OCP) as treatment for primary dysmenorrhoea |
| Combined pharmacological and psychosocial interventions for alcohol use disorder |
| Combined pharmacotherapy and psychological therapies for post traumatic stress disorder (PTSD) |
| Combined psychosocial and agonist maintenance interventions for treatment of opioid dependence |
| Combined spinal-epidural versus epidural analgesia in labour |
| Combined spinal-epidural versus spinal anaesthesia for caesarean section |
| Combined strategies to avoid foot ulcers in patients with diabetes |
| Combined therapy with statins and fibrates for people with dyslipidaemia |
| Combined treatment with GnRH analogues and add-back therapy for women with uterine fibroids |
| Combined use of hyperthermia and radiation therapy for treating locally advanced cervix carcinoma |
| Combined use of oestrogen and progesterone for preventing miscarriage |
| Combining antipsychotic medication for the treatment of schizophrenia |
| Combining two or more drugs vs one drug for pain control in inflammatory arthritis |
| Comic highlights Cochrane and World Health Organization collaboration for positive birth experience guideline |
| Commercial hospital discharge packs for breastfeeding women |
| Commercial versus home-made spacers in delivering bronchodilator therapy for acute therapy in children |
| Commercial weight loss products and services for obese and overweight adults |
| Common antiepileptic drugs in pregnancy in women with epilepsy |
| Common Mental Disorders partnership with the Mental Health Foundation |
| Communicating to pregnant woman and parents through their mobile devices to improve maternal, neonatal, and child health |
| Communicating to the public about vaccines and using digital strategies to promote vaccine uptake: information for planners and implementers |
| Communicating to young people and adults through their mobile devices to improve sexual and reproductive health |
| Communication skills interventions for medical students |
| Communication skills training for mental health professionals working with people with severe mental illness |
| Communication training for parents of preschool children with motor disorders |
| Community and home-based exercise for the prevention and treatment of hypertension |
| Community animal health services for improving household wealth and health status of low-income farmers |
| Community based interventions for reducing dengue incidence |
| Community care navigation intervention for people who are at-risk of unplanned hospital presentations |
| Community coalition-driven interventions to improve health status and reduce disparities in racial and ethnic minority populations |
| Community first responders for out-of-hospital cardiac arrest in adults and children |
| Community level interventions to improve food security in developed countries |
| Community mental health teams (CMHTs) for people with severe mental health problems |
| Community mobilization and empowerment interventions for preventing HIV in low and middle income countries |
| Community mobilization for safe motherhood |
| Community screening for visual impairment in older people |
| Community views on mass drug administration for filariasis: a qualitative evidence synthesis |
| Community views on mass drug administration for filariasis: a qualitative evidence synthesis |
| Community views on mass drug administration for soil-transmitted helminths: a qualitative evidence synthesis |
| Community wide interventions for increasing physical activity |
| Community-based exercise and physical activity for chronic low back pain |
| Community-based exercise and physical activity programmes led by exercise professionals for osteoarthritis |
| Community-based intervention packages for preventing maternal and newborn illness and death so that newborn outcomes are improved |
| Community-based interventions for bite prevention, improved care-seeking and appropriate first aid in snakebite |
| Community-based interventions for enhancing access to or consumption of fruit and vegetables (or both) among five to 18-year olds |
| Community-based maternal and newborn educational care packages for improving neonatal health and survival in low- and middle-income countries |
| Community-based population-level interventions for promoting child oral health |
| Community-based rehabilitation for people with physical and mental disabilities in low- and middle-income countries |
| Community-based self-management programs for improving participation in life activities in older adults with chronic conditions |
| Community-based versus health facility-based management of acute malnutrition for reducing the prevalence of severe acute malnutrition in children 6 to 59 months of age in low- and middle-income countries |
| Comparative efficacy and acceptability of pharmacological treatments for insomnia in adults: a systematic review and network meta-analysis |
| Comparative efficacy and risk-benefit balance of modulator and suppressant drugs of the immune system in people with multiple sclerosis (MS) |
| Compared to single chamber ventricular pacemakers, dual chamber pacemakers may reduce the incidence of complications in people with sick sinus syndrome and atrioventricular block |
| Compared with interferon alone, the addition of ribavirin increases the number of patients with chronic hepatitis C who clear the hepatitis C virus from the blood |
| Comparing BIS monitoring with clinical assessment for determining the level of sedation of mechanically ventilated adults in intensive care units |
| Comparing carboplatin-based chemotherapy with cisplatin-based chemotherapy in the treatment of people with advanced lung cancer |
| Comparing different durations of the same antibiotic therapy for non-severe community-acquired pneumonia in children under five years of age |
| Comparing different injection frequencies for neovascular age-related macular degeneration |
| Comparing different methods of determining whether gliomas are missing arms 1p and 19q of the chromosomes |
| Comparing different surgical techniques used to remove wisdom teeth from the lower jaw |
| Comparing different types of antibiotics given routinely to women at caesarean section to reduce infections |
| Comparing different types of chemotherapy for treatment of older people with advanced lung cancer |
| Comparing different types of scan (CT, MRI, bone scan) for diagnosis of clinically suspected scaphoid fractures, when initial radiographs are negative |
| Comparing effectiveness of an older antipsychotic (oral fluphenazine) with newer antipsychotics for treating schizophrenia |
| Comparing electronic monitoring of the baby's heartbeat on a woman's admission in labour using cardiotocography (CTG) with intermittent monitoring |
| Comparing inhaled corticosteroids with long-acting beta2-agonists in treating chronic obstructive pulmonary disease (COPD) |
| Comparing initial antiretroviral regimens stavudine or zidovudine as part of three-drug combinations for treatment of HIV infection |
| Comparing initial antiretroviral regimens tenofovir or zidovudine as part of three-drug combinations for treatment of HIV infection |
| Comparing narrow band imaging to regular cystoscopy for treatment of bladder cancer |
| Comparing reducing smoking to quit with abrupt quitting. |
| Comparing sedation versus general anaesthesia for children who need to have dental treatment |
| Comparing single doses of oral analgesics for acute pain in adults after operation |
| Comparing skin treatments for eczema |
| Comparing skin treatments for eczema |
| Comparing standard and extended lymph node removal in people with cancer of the head of the pancreas and the periampullary region |
| Comparing supplemental oxygen with room air for low-risk pregnant women undergoing an elective caesarean section under regional anaesthesia |
| Comparing surgical groin hernia repair performed with or without mesh |
| Comparing the effect of different courses of radiotherapy to the chest for patients with incurable lung cancer |
| Comparing the effect of medications for treating Ascaris infection |
| Comparing the time taken to give paclitaxel (an anticancer drug) in advanced adenocarcinoma |
| Comparing treatment of non-severe pneumonia, in children aged 2 to 59 months, with and without antibiotics |
| Comparing treatments for advanced tooth decay |
| Comparing two different techniques of removing cataracts |
| Comparing two different techniques of removing cataracts |
| Comparing two methods of wound closure in stoma reversal: purse-string closure versus linear skin closure |
| Comparing two methods of wound closure in stoma reversal: purse-string closure versus linear skin closure |
| Comparing two types of blood-thinning drugs, factor Xa inhibitors and vitamin K antagonists, to prevent blood clots in people with atrial fibrillation |
| Comparing walk-in clinics to physician offices and emergency rooms |
| Comparision of key hole surgery and conventional surgery in the management of small bowel Crohn's disease. |
| Comparision of two techniques for the placement of a feeding tube to the stomach through the skin in an individual who has difficulty swallowing food |
| Comparison of a eutectic mixture of local anaesthetics (EMLA) in a cream and amethocaine for relieving the pain children experience when they have injections |
| Comparison of a light-emitting diode with conventional light sources for providing phototherapy to jaundiced newborn infants |
| Comparison of an upper limb nerve block using local anaesthetic with opioid analgesia for pain relief following major shoulder surgery |
| Comparison of animal-derived surfactants for the prevention and treatment of respiratory distress syndrome in preterm infants |
| Comparison of artificial lenses placed in eyes with uveitis during cataract surgery |
| Comparison of central adjudication of outcomes and onsite outcome assessment on treatment effect estimates |
| Comparison of different human papillomavirus (HPV) vaccines and the number of doses administered to prevent HPV-related disease in females and males |
| Comparison of different platelet transfusion thresholds prior to insertion of central lines in people with a low platelet count |
| Comparison of different positions that a mother is placed in during caesarean section to improve outcomes for both the mother and her newborn |
| Comparison of different protein concentrations of human milk fortifier for promoting growth and neurological development in preterm infants |
| Comparison of different techniques for planned opening of the trachea |
| Comparison of different types of artificial hip joints that may be used for treating fractures of the hip |
| Comparison of exenterative surgery versus medical management for women with recurrent gynaecological malignancies |
| Comparison of interventions for patients diagnosed with pre-cancerous changes of the anal canal (anal intraepithelial neoplasia) |
| Comparison of medicinal herbs for chronic hepatitis B virus infection |
| Comparison of non-surgical treatments for women diagnosed with high-grade VIN (precancerous changes of the vulva related to HPV-infection) |
| Comparison of open versus minimally-invasive (laparoscopic) pyloromyotomy for hypertrophic pyloric stenosis |
| Comparison of paravertebral anaesthesia to general anaesthesia for breast cancer surgery |
| Comparison of propofol (an anaesthetic drug) with other drug options for sedating people undergoing painful procedures in emergency departments |
| Comparison of protocols and registry entries to published reports for randomised controlled trials |
| Comparison of protocols and registry entries to published reports for systematic reviews |
| Comparison of surgical interventions for retinal detachment |
| Comparison of surgical procedures for women diagnosed with precancerous changes of the vulva (high-grade vulval intraepithelial neoplasia) |
| Comparison of surgical techniques for the treatment of patients with lumbar stenosis |
| Comparison of the different ways of giving fluids to patients who cannot drink enough, such as patients with Ebola virus disease |
| Comparison of the stomach-preserving versus classic 'Whipple' operation for people with cancer of the pancreas or the periampullary region |
| Comparison of the two international standards of chemotherapy for people with early unfavourable or advanced stage Hodgkin lymphoma |
| Comparison of two different methods of lens removal in cataract surgery, particularly relevant to lower income settings |
| Comparison of two forms of local anaesthesia for cataract surgery |
| Comparison of two methods used in screening for colorectal cancer |
| Comparison of two muscle relaxants, rocuronium and succinylcholine, to facilitate rapid sequence induction intubation |
| Comparison of two surgical techniques for the control of eye pressure in people with glaucoma |
| Comparison of two treatment options for kidney stones |
| Comparison of video-assisted and non-video-assisted devices for intubation of children |
| Comparisons of approaches to pelvic floor muscle training for urinary incontinence in women |
| Comparisons of methods used in adults to put bone fragments of a fractured wrist back into place |
| Complement inhibitors for age-related macular degeneration |
| Complementary and alternative medicine treatments for atopic eczema |
| Complementary and alternative therapies for pain management in labour |
| Complementary and alternative therapies for post-caesarean pain |
| Complementary and alternative therapies for shortening labour |
| Complementary therapies for acne vulgaris |
| Complementary therapies for chronic plaque psoriasis |
| Complementary treatments such as hypnosis, psychotherapy, acupuncture, chiropractic and medicinal herbs for bedwetting in children |
| Complete versus culprit-only revascularisation in ST elevation heart attack with multi-vessel disease |
| Complex behavioural and educational interventions for bedwetting (nocturnal enuresis) in children |
| Compliance therapy for schizophrenia |
| Complications of trocar types for laparoscopic surgery |
| Compounds which can break down the structure of mucus for lung disease in cystic fibrosis |
| Comprehensive geriatric assessment for older adults admitted to hospital |
| Comprehensive Geriatric Assessment for older people in the community at risk of poor health outcomes |
| Comprehensive Geriatric Assessment guided treatment versus usual care for older adults aged 60 years and above with cancer |
| Comprehensive paediatric assessments for children in out of home care |
| Comprehensive physiotherapy for rheumatoid arthritis |
| Compression bandages and stockings to help the healing of venous leg ulcers |
| Compression bandages or stockings versus no compression for treating venous leg ulcers |
| Compression stockings for preventing deep vein thrombosis (DVT) in airline passengers |
| Compression therapy for preventing venous leg ulcers returning |
| Compression therapy for prevention of post-thrombotic syndrome |
| Compression therapy for treating post-thrombotic syndrome of mild to moderate severity |
| Compulsory community and involuntary outpatient treatment for people with severe mental disorders |
| Computed tomography angiography or magnetic resonance angiography for detecting blood vessel abnormalities in patients with intracerebral haemorrhage |
| Computer assisted knee arthroplasty for osteoarthritis and other non-traumatic diseases |
| Computer programmes for sexual health promotion |
| Computer-assisted surgery for knee ligament reconstruction |
| Computer-assisted versus oral-and-written dietary history taking for diabetes mellitus |
| Computer-assisted versus oral-and-written family history taking for identifying people with elevated risk of type 2 diabetes mellitus |
| Computer-assisted versus oral-and-written history taking for the management of cardiovascular disease |
| Computer-assisted versus oral-and-written history taking for the prevention of cardiovascular disease |
| Computer-based Cognitive Remediation Therapy plus standard care versus standard care for people with schizophrenia or related disorders |
| Computer-based programmes ('Interactive Health Communication Applications') for people with chronic disease |
| Computer-based versus in-person stress management programmes for workers |
| Computer-controlled delivery versus manual delivery of propofol to produce general anaesthesia or sedation in adult patients |
| Computerised cognitive training for maintaining cognitive function in cognitively healthy people in late life |
| Computerised cognitive training for maintaining cognitive function in cognitively healthy people in midlife |
| Computerised cognitive training for preventing dementia in people with mild cognitive impairment |
| Computerised decision support systems to promote appropriate use of blood products |
| Computerized advice on drug dosage to improve prescribing practice |
| Concentrated salt solution versus other treatments to lower pressure around the brain for people with acute traumatic brain injury |
| Conclusions about the effects of electronic cigarettes remain the same |
| Concurrent chemoradiotherapy reduces risk of death at two years compared to sequential chemoradiotherapy or radiotherapy alone in patients with stage III non small cell lung cancer |
| Concurrent chemoradiotherapy with weekly versus three-weekly cisplatin in locally advanced head and neck squamous cell carcinoma |
| Concurrent health promotion interventions for preventing cardiovascular disease in low- and middle income countries ("resource-limited settings") |
| Condylocephalic nails versus extramedullary implants for extracapsular hip fractures |
| Conflicts of interest and recommendations in clinical guidelines, advisory committee reports, opinion pieces, and narrative reviews |
| Conjugate vaccines for preventing Haemophilus influenzae type b infections in children under 5 years of age |
| Conjugated pneumococcal vaccine versus polysaccharide pneumococcal vaccine for prevention of pneumonia and invasive pneumococcal disease in immunocompetent and immunocompromised adults and children |
| Connect, learn, and thrive: Students and early career professionals set for an inspirational experience at #CochraneLondon |
| Conscious sedation for dental anxiety |
| Conservative (non-pharmaceutical and non-surgical) treatments for children who have daytime urinary incontinence |
| Conservative interventions for managing urinary incontinence after prostate surgery |
| Conservative interventions for shaft fractures of the forearm bones in children |
| Conservative interventions for treating Achilles tendon ruptures |
| Conservative interventions for treating scaphoid fractures in adults |
| Conservative interventions for urinary incontinence in women: an overview of Cochrane Reviews |
| Conservative interventions for urinary or faecal incontinence, or both, in adults with multiple sclerosis |
| Conservative management for men with urinary incontinence after prostate surgery |
| Conservative management of nocturia in adults |
| Conservative management of pelvic organ prolapse in women |
| Conservative management of symptomatic and/or complicated haemorrhoids in pregnancy and the puerperium |
| Conservative treatment for closed fifth (small finger) metacarpal neck fractures |
| Conservative treatment for exercise-related groin pain |
| Conservative treatments for whiplash |
| Conservative treatments in gynaecological cancer for fertility preservation |
| Conservative versus operative treatment for hip fractures in adults |
| CONsolidated Standards Of Reporting Trials (CONSORT) and the completeness of reporting of randomised controlled trials published in medical journals |
| Consolidative thoracic radiotherapy for extensive disease small cell lung cancer |
| Constraint-induced movement therapy for upper limb (arm) recovery after stroke |
| Constraint-induced movement therapy in the treatment of the upper limb in children with unilateral cerebral palsy |
| Consultation letters for use by primary care physicians in their care of patients with physical symptoms for which no organic cause can be found |
| Consultation liaison in primary care appears to improve mental health practice and outcomes for people with a mental disorder |
| Consumer Engagement and Involvement |
| Consumer guidelines for chronic disease management |
| Consumer involvement in the development of healthcare policy and research, clinical practice guidelines and information for patients |
| Consumer-delivered training in intimate examination skills for healthcare students and professionals |
| Contact tracing methods for tuberculosis |
| Containment strategies for people with serious mental illness |
| Contingency management for substance use disorders |
| Continued lamivudine for adults with lamivudine-resistant chronic hepatitis B virus infection |
| Continuing education meetings and workshops: effects on healthcare professionals’ practice and on patients’ health |
| Continuity of caregivers for care during pregnancy and childbirth |
| Continuous and individual interrupted sutures for repair of episiotomy or second-degree tears |
| Continuous cardiotocography (CTG) as a form of electronic fetal monitoring (EFM) for fetal assessment during labour |
| Continuous chest compression versus interrupted chest compression for cardiopulmonary resuscitation (CPR) of non-asphyxial out-of-hospital cardiac arrest (OHCA) |
| Continuous delivery of a local anaesthetic around the wound to treat pain after bowel surgery through a vertical cut in the abdomen |
| Continuous electronic heart rate monitoring for fetal assessment during labor |
| Continuous epidural analgesia is superior to intravenous opioid patient-controlled analgesia in relieving postoperative pain for up to 72 hours after abdominal surgery |
| Continuous glucose monitoring systems for monitoring cystic fibrosis‐related diabetes |
| Continuous glucose monitoring systems for the diagnosis of cystic fibrosis-related diabetes |
| Continuous glucose monitoring systems for type 1 diabetes mellitus |
| Continuous glucose monitoring systems for type 2 diabetes mellitus |
| Continuous heparin infusion to prevent thrombosis and catheter occlusion in neonates with peripherally placed percutaneous central venous catheters |
| Continuous infusion of loop diuretics are safer and more effective than intermittent administration for people with congestive heart failure |
| Continuous infusion versus intermittent bolus doses of indomethacin for patent ductus arteriosus closure in symptomatic preterm infants |
| Continuous infusion versus intermittent flushing to prevent loss of function of peripheral intravenous catheters used for drug administration in newborn infants |
