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 hosiery (stockings) for preventing venous leg ulcers returning
Compression stockings for preventing deep vein thrombosis (DVT) in airline passengers
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
Confusion Assessment Method for the intensive care unit (CAM-ICU) for the diagnosis of delirium in adults in critical care settings
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
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 systematic 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
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 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
Consumers and health providers working in partnership for the promotion of person-centred health services: a co-produced qualitative evidence synthesis
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 ambulatory peritoneal dialysis versus automated peritoneal dialysis for end-stage renal disease
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 bolus injection of loop diuretics for 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
Continuous nasogastric milk feeding versus intermittent bolus milk feeding for preterm infants less than 1500 grams
Continuous negative extrathoracic pressure or continuous positive airway pressure for children with acute respiratory failure and shortage of oxygen
Continuous or intermittent monitoring of people with acute stroke
Continuous passive motion after knee replacement surgery
Continuous passive motion therapy for preventing venous thromboembolism after total knee replacement (arthroplasty)
Continuous positive airway pressure (CPAP) for acute bronchiolitis in children
Continuous positive airway pressure (CPAP) for apnoea of prematurity
Continuous positive airway pressure delivery interfaces for obstructive sleep apnoea in adults
Continuous positive airway pressure for cardiovascular disease associated with sleep apneoa
Continuous positive airway pressure versus theophylline for apnea in preterm infants
Continuous positive airways pressure for relieving signs and symptoms of obstructive sleep apnoea
Continuous positive airways pressure for respiratory distress in preterm infants
Continuous quality improvement: effects on professional practice and healthcare outcomes in primary care
Continuous subcutaneous insulin infusion (CSII) versus multiple insulin injections for type 1 diabetes mellitus
Continuous subcutaneous insulin infusion versus multiple daily injections of insulin for pregnant women with diabetes
Continuous support for women during childbirth
Continuous ultrasound to the hand benefits grip strength in people with rheumatoid arthritis (RA)
Continuous venous blood filtration for severe acute pancreatitis
Continuous versus intermittent beta-agonists for acute asthma
Continuous versus intermittent bolus feeding for gastro-oesophageal reflux disease
Continuous versus interrupted stitches for closing the skin after non-childbirth surgery
Continuous versus pulsatile oxytocin administration for the augmentation of labour
Contraception decision aids to improve care and effective method use
Contraception interventions for women seeking abortion
Contraceptive pills and venous thrombosis
Contracting out to improve the use of clinical health services and health outcomes in low- and middle-income countries
Contracts between patients and healthcare practitioners for improving patients' adherence to recommended healthcare activities
Contrast-enhanced ultrasound compared with computed tomography, magnetic resonance imaging, and positron emission tomography-computed tomography for diagnosing liver metastases in people with newly diagnosed colorectal cancer
Contrast-enhanced ultrasound for the diagnosis of hepatocellular carcinoma in advanced chronic liver disease
Contribution types and membership points
Control interventions for preventing spread of vancomycin-resistant enterococci (VRE) in hospitals
Control interventions in randomised trials for people with a mental health disorder
Control methods for and
Controlled hypotension versus normotensive resuscitation strategy for people with ruptured abdominal aortic aneurysm
Controlled ovarian stimulation protocols for assisted reproduction: a network meta-analysis
Controlled studies for treatment of dysarthia associated with acquired brain injury in childhood urgently required
Controlling blood glucose in treating diabetic foot ulcers (sores)
Controlling high blood sugar levels with insulin in people who have had an acute ischaemic stroke
Convalescent plasma and hyperimmune immunoglobulin to prevent infection with SARS-CoV-2
Convective radiofrequency water vapour thermal therapy for lower urinary tract symptoms in men with benign prostatic hyperplasia
Conventional surgical hemorrhoidectomy results in fewer recurrences than stapled hemorrhoidopexy.
Conversion of calcineurin inhibitor treatment to target of rapamycin inhibitor treatment versus continuation of calcineurin inhibitor treatment for liver transplant recipients
Cooling for newborns with hypoxic ischaemic encephalopathy
Cooling plus inhaled xenon for newborns with hypoxic-ischaemic encephalopathy
Cooling the body after resuscitation following cardiac arrest
Cooling the brain during surgery to prevent death or severe disability in people with brain aneurysms
Cooling therapy for acute stroke
Cooling therapy for acute stroke
Copper IUDs versus long-acting hormone injections and implants for contraception
Cord traction to deliver the afterbirth
Cordyceps sinensis (a Chinese medicinal herb) for treating chronic kidney disease
Cordyceps sinensis (a traditional Chinese medicine) for kidney transplant recipients
Cordyceps sinensis for hypertension in adults
Coriolus versicolor mushroom in colorectal cancer
Corneal collagen cross-linking for infectious keratitis
Corneal collagen cross-linking for thinning of the transparent front part of the eye ('keratoconus')
Corneal confocal microscopy for the diagnosis of diabetic sensorimotor polyneuropathy in people with type 1 and 2 diabetes mellitus
Coronary artery bypass grafting surgery versus percutaneous coronary intervention for coronary artery disease
Coronary artery bypass surgery performed with versus without cardiac arrest and cardiopulmonary bypass in patients with ischaemic heart disease
Coronary artery bypass surgery versus medical therapy alone for ischaemic heart disease
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Cortical and deep brain stimulation for functional recovery and reducing complications after stroke
Corticosteroid eye drops used in addition to standard antibiotic therapy in the treatment of bacterial keratitis
Corticosteroid injection for de Quervain's tenosynovitis
Corticosteroid injections for shoulder pain
Corticosteroid injections for tennis elbow
Corticosteroid injections for treatment of sciatica
Corticosteroid regimens for treatment of acute and chronic graft versus host disease (GvHD) after allogenic stem cell transplantation
Corticosteroid therapy for children with nephrotic syndrome
Corticosteroid therapy for Duchenne muscular dystrophy
Corticosteroid treatments before early birth for reducing death, lung problems and brain haemorrhage in babies
Corticosteroids as stand-alone or add-on treatment for sore throat
Corticosteroids for acute ischaemic stroke
Corticosteroids for acute severe asthma in hospitalised patients
Corticosteroids for aneurysmal subarachnoid haemorrhage and primary intracerebral haemorrhage
Corticosteroids for bacterial meningitis
Corticosteroids for Bell's palsy
Corticosteroids for cervical ripening and induction of labour
Corticosteroids for children with septic arthritis
Corticosteroids for chronic inflammatory demyelinating polyradiculoneuropathy
Corticosteroids for Guillain-Barré syndrome
Corticosteroids for HELLP syndrome in pregnancy
Corticosteroids for HELLP syndrome in pregnancy
Corticosteroids for hospitalised children with acute asthma
Corticosteroids for induction of remission in Crohn's disease
Corticosteroids for maintenance of remission in Crohn's disease
Corticosteroids for managing people with tuberculous meningitis
Corticosteroids for myasthenia gravis
Corticosteroids for periorbital and orbital cellulitis
Corticosteroids for preventing complications following facial plastic surgery
Corticosteroids for preventing graft-versus-host disease after allogeneic myeloablative stem cell transplantation
Corticosteroids for preventing postherpetic neuralgia
Corticosteroids for preventing relapse following acute exacerbations of asthma
Corticosteroids for preventing serious breathing problems in the newborn after caesarean section at term
Corticosteroids for pulmonary sarcoidosis
Corticosteroids for the management of cancer pain in adults
Corticosteroids for the management of cancer-related breathlessness in adults with cancer
Corticosteroids for the management of cancer-related fatigue in adults with advanced cancer
Corticosteroids for the management of nausea and vomiting not related to chemotherapy, radiotherapy, or surgery in adult cancer patients
Corticosteroids for the prevention and treatment of bronchopulmonary dysplasia: an overview of systematic reviews
Corticosteroids for the resolution of malignant bowel obstruction in advanced gynaecological and gastrointestinal cancer
Corticosteroids for the treatment of idiopathic acute vestibular dysfunction (vestibular neuritis)
Corticosteroids for the treatment of parasitic eosinophilic meningitis
Corticosteroids for toxoplasma infection in the eye
Corticosteroids for treating cerebral malaria
Corticosteroids for treating dengue infection in children and adults
Corticosteroids for treating hypotension in preterm infants
Corticosteroids for treating nerve damage in leprosy
Corticosteroids for treating optic neuritis
Corticosteroids for treating oral lichen planus
Corticosteroids for treating sepsis
Corticosteroids including ACTH (adrenocorticotrophin hormone) for childhood epilepsy other than epileptic spasms
Corticosteroids to treat brain injury
Corticosteroids used in addition to antiviral drugs in patients with Ramsay Hunt syndrome
Corticosteroids versus placebo and NSAIDs for rheumatoid arthritis
Cot-nursing versus incubator care for preterm infants
Counselling and education interventions for promoting adherence to treatment for tuberculosis
Counselling for mental health and psychosocial problems in primary care
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Couple and family therapies for post-traumatic stress disorder (PTSD)
Couple therapy for depression
Couple-based interventions for improving dyadic adjustment in people with cancer and their spousal partners
Covering ileo- or colostomy in anterior resection for rectal carcinoma is associated with less anastomotic leakage, but does not offer advantage in term of 30 days or long term mortality.
COVID-19 and its cardiovascular effects: a systematic review of prevalence studies
COVID-19 Rapid Review - Video calls for reducing social isolation and loneliness in older people
COVID-19 Recommendations Map: Turning evidence into policy and practice
COVID-19 Special Collection: evidence relevant to clinical rehabilitation
COVID-19 Study Register: Cochrane’s curated collection for global researchers passes more than 20,000 references...and counting!
COVID-19 vaccination for people with autoimmune inflammatory rheumatic diseases on immunomodulatory therapies
COVID-19: Interventions to reduce the risk of coronavirus infection among workers outside healthcare settings
COVID-19: Making sense of health information
Covidence continues improvements to streamline Cochrane Reviews
COVID‐19: working together and making a difference for decision‐makers
Cox-2 Inhibitors in the Prevention of Melanoma
Cradle hold versus alternate positions for bottle feeding preterm infants
Cranberries for preventing urinary tract infections
Cranberries for treating asymptomatic bacteriuria during pregnancy
Creams, lotions and gels (topical treatments) for fungal infections of the skin and nails of the foot
Creatine for amyotrophic lateral sclerosis/motor neuron disease
Creatine for Parkinson's disease
Creatine for treating muscle disorders
Creatine for women in pregnancy for neuroprotection of the fetus
Crisis intervention for people with severe mental illnesses
Crisis interventions for people with borderline personality disorder
Critical incident audit and feedback to improve perinatal and maternal mortality and morbidity
Cromolyn sodium for the prevention of chronic lung disease in preterm infants
Cryoablation versus radiofrequency catheter ablation for AV nodal re-entrant tachycardia
Cryoplasty for peripheral vascular disease
Cryotherapy for acute non-specific neck pain
Cryotherapy for liver metastases
Cuffed versus uncuffed endotracheal tubes for neonates
Cuffed versus uncuffed tubes in children aged eight years and under, having general anaesthetic
Cultural competence education for health professionals
Culturally appropriate health education for people in ethnic minority groups with type 2 diabetes mellitus
Culture media for human pre-implantation embryos for in assisted reproductive technology cycles 
Culture-specific programs for children and adults from minority groups who have asthma
Cultured epithelial autograft in the treatment of acute burn wounds
Cup feeding versus other forms of supplemental enteral feeding for newborn infants unable to fully breastfeed
Curative surgery for obstruction from primary left colorectal carcinoma: Primary or staged resection?
Curcuma longa (turmeric) or its active ingredients for osteoarthritis
Curcumin for maintenance of remission in ulcerative colitis
Curettage versus other methods of adenoidectomy in children
Currently available malaria vaccines are not yet sufficiently effective, but new vaccines show promise in early tests.
Currently not enough evidence that using cisplatin, a chemotherapy (anti-cancer) drug, before other treatments improves the survival of people with advanced bladder cancer
Currently there is no clear evidence that cholesterol drugs reduce melanoma risk.