Different regimens of penicillin antibiotics given to women routinely for preventing infection after caesarean section
Different stent graft types to repair thoracic aortic aneurysms
Different stent grafts for repair of abdominal aortic aneurysms
Different strains of probiotics for preventing morbidity and mortality in preterm infants: a network meta-analysis
Different strategies for diagnosing gestational diabetes mellitus (GDM) to improve maternal and infant health
Different strategies for using topical corticosteroids for established eczema
Different strategies for using topical corticosteroids in people with eczema
Different surgical approaches to access the infrarenal abdominal aorta during an operation to repair an abdominal aortic aneurysm
Different surgical techniques for treating blockage of the tear duct
Different systemic corticosteroid regimens for the emergency management of acute asthma
Different techniques of blood glucose monitoring in women with gestational diabetes for improving maternal and infant health
Different treatments for a squint (deviation of the eye) that occurs within the first six months of life
Different types of dietary advice for women with gestational diabetes mellitus
Different types of energy source surgical instruments used in key-hole bowel surgery
Different types of implants for reconstructive breast surgery after mastectomy
Different types of intermittent pneumatic compression devices for preventing venous thromboembolism after total hip replacement
Different types of intranasal steroids for chronic rhinosinusitis
Different types of powered toothbrushes for plaque control and healthy gums
Different ways of giving antibiotics to eradicate Pseudomonas aeruginosa infection in people with cystic fibrosis
Different-sized incisions for cataract surgery in people with age-related cataract
Digital interventions for the management of chronic obstructive pulmonary disease
Digital interventions to improve adherence to maintenance medication in asthma
Digital retinal imaging for diagnosing diabetic retinopathy
Digital tracking, provider decision support systems, and targeted client communication via mobile devices to improve primary health care
Digitalis for treatment of heart failure in patients in sinus rhythm
Digoxin for preventing or treating neonatal respiratory distress syndrome
Dihydroartemisinin-piperaquine for treating uncomplicated malaria
Dihydrocodeine in a single dose in the treatment of acute postoperative pain
Dilute versus full-strength formula in exclusively formula-fed preterm or low birth weight infants
Dimebon for Alzheimer's disease
Dimethyl fumarate (BG-12) first line oral treatment for people with multiple sclerosis
Dipeptidyl peptidase-4 (DPP-4) inhibitors for type 2 diabetes mellitus
Dipeptidyl peptidase-4 inhibitors, glucagon-like peptide 1 receptor agonists and sodium-glucose co-transporter-2 inhibitors for people with cardiovascular disease: a network meta-analysis
Dipeptidyl-peptidase (DPP)-4 inhibitors and glucagon-like peptide (GLP)-1 analogues for prevention or delay of type 2 diabetes mellitus
Diposable nappies for preventing nappy rash in babies and infants.
Dipyridamole for preventing stroke and other vascular events in patients with vascular disease
Dipyrone for the treatment of headaches
Direct (primary) repair for penetrating colon injuries
Direct comparison of two antipsychotics (chlorpromazine versus clotiapine) for treating schizophrenia
Direct electrical current to the brain for language difficulties after stroke 
Direct electrical current to the brain to improve rehabilitation outcomes
Direct factor Xa inhibitors versus low molecular weight heparins or vitamin K antagonists for prevention of venous thromboembolism in elective primary hip or knee replacement or hip fracture repair
Direct injection of corticosteroids into the fetus compared with injection into the mother for improving fetal outcomes when the mother is at risk of preterm birth
Direct oral anticoagulants for prevention of stroke in atrial fibrillation patients with chronic kidney disease
Direct renin inhibitors for preventing the progression of diabetic kidney disease
Direct thrombin inhibitors and factor Xa inhibitors for atrial fibrillation
Direct thrombin inhibitors compared with vitamin K antagonists in people with atrial fibrillation for preventing stroke
Direct versus indirect bonding for bracket placement in orthodontic patients
Direct versus indirect veneer restorations for intrinsic dental stains
Direct-acting antivirals for chronic hepatitis C
Directly observing people with TB take their drugs to help them complete their treatment
Director of Cochrane South Africa honoured
Discharge planning from hospital
Disclosing to parents newborn carrier status identified by routine blood spot screening
Discontinuation of epidural analgesia late in labour for reducing the adverse delivery outcomes associated with epidural analgesia
Discontinuation of intravenous oxytocin used to stimulate uterine contractions in the active phase of induced labour
Discontinuation of long-term antidepressant use for depressive and anxiety disorders in adults
Discounts announced for Latin American Colloquium registrants
Disease management interventions for improving self-management in lower-limb peripheral arterial disease
Disease management programmes for heart failure
Disease modifying immunosuppressant drugs for juvenile-onset systemic lupus erythematosus
Disease-modifying anti-rheumatic drugs for rheumatoid arthritis: a systematic review and network meta-analysis
Disease-modifying drugs for people with a first clinical attack suggestive of multiple sclerosis
Disease-modifying treatments for primary autoimmune haemolytic anaemia
Disposable surgical face masks for preventing surgical wound infection in clean surgery
Dissection versus diathermy for tonsillectomy
Distal aortic perfusion during thoracoabdominal aneurysm repair for prevention of paraplegia
Distraction techniques for schizophrenia
Disulfiram as a medication for the treatment of cocaine dependence
Disulfiram for alcohol use disorder
Diuretic therapy for newborn infants with posthemorrhagic ventricular dilatation
Diuretics acting on the distal renal tubule for preterm infants with (or developing) chronic lung disease
Diuretics effective in lowering blood pressure when given as a second drug
Diuretics for heart failure in adults
Diuretics for people with chronic kidney disease
Diuretics for preventing pre-eclampsia
Diuretics for respiratory distress syndrome in preterm infants
Diuretics for the treatment of Ménière's disease or syndrome
Diuretics for transient tachypnoea of the newborn (TTN)
Diverse strategies for preventing high altitude illness
DNA technology increases pregnancy rate for women on IVF
Do a group of drugs known as monoaminergic agonists help the brain recovery after a severe injury?
Do activity monitors help adults with stroke become more physically active?
Do acupuncture and related therapies help smokers who are trying to quit
Do additional surgical techniques at the lower end of bypasses in the leg improve the chance of the bypass working and saving the leg from amputation?
Do antibiotics prevent surgical site infection after breast cancer surgery?
Do any treatments help people who have successfully quit smoking to avoid starting smoking again?
Do bans on smoking and intensive educational campaigns reduce smoking in public places
Do blood thinner injections given after abdominal surgery further reduce blood clots if continued after discharge from the hospital?
Do blood thinners prevent blood clots in children who are treated using central lines?
Do burns patients who receive early (within 24 hours) nutritional support have better outcomes than those whose nutritional support is delayed (after 24 hours)?
Do combined inhalers (steroid plus bronchodilator) offer additional benefits or harms in people with COPD compared with the bronchodilator alone?
Do competitions help smokers to quit in the medium to long term?
Do courses aimed at improving the way healthcare professionals communicate with people who have cancer impact on their physical and mental health?
Do diet and physical activity strategies help prevent obesity in children (aged 0 to 18 years)?
Do epidermal growth factor receptor (EGFR) inhibitors, alone or with chemotherapy, improve outcomes for women with epithelial ovarian cancer (EOC)?
Do group-based smoking cessation programmes help people to stop smoking?
Do H1 antihistamine tablets or liquids help improve eczema symptoms in people who are already using creams or ointments for their eczema?
Do health education interventions lead to early treatment for women with symptoms of endometrial (womb) cancer
Do incentives help keep young people from starting to smoke in the medium to long term?
Do inhaled corticosteroids reduce growth in children with persistent asthma?
Do inhaled steroids increase the risk of pneumonia in people with chronic obstructive pulmonary disease (COPD)?
Do injectable pneumococcal vaccines prevent pneumonia in people with COPD?
Do interventions in families prevent children and adolescents from starting to smoke
Do interventions that reduce the cost of smoking cessation treatment increase quit rates, quit attempts or use of treatments?
Do interventions to enhance one-to-one support provided by partners, family members, or 'buddies' help smokers quit?
Do magnesium sulfate infusions reduce the need for hospital admission in adults with acute asthma?
Do magnesium sulfate infusions reduce the need for hospital admission in children with acute asthma?
Do media campaigns prevent young people from using illicit drugs?
Do medicinal interventions reduce radiation-related bone fractures and risk of avascular necrosis in adults undergoing pelvic radiotherapy?
Do medicines used to treat depression help people to quit smoking?
Do nasal decongestants used alone relieve cold symptoms?
Do newer laser treatments work better than standard laser treatments for proliferative diabetic retinopathy?
Do nonsteroidal anti-inflammatory drugs (NSAIDs) increase the risk of bleeding in children having their tonsils out?
Do nutritional interventions reduce gastrointestinal toxicity in adults undergoing radical pelvic radiotherapy?
Do opioid antagonists such as naltrexone help people to stop smoking?
Do organizational changes to support people quitting smoking improve services and help more people to quit?
Do painkillers rubbed on the skin really work?
Do PARP inhibitors improve survival in women with ovarian cancer and what are the side effects?
Do people recover from exacerbations of chronic obstructive pulmonary disease (COPD) better in their own home than in the hospital emergency room?
Do people with asthma have fewer serious adverse events when taking formoterol and inhaled corticosteroids or salmeterol and inhaled corticosteroids?
Do people's genes affect how effective medicines can be in helping people to quit smoking?
Do pharmacotherapies which reduce anxiety help smokers to quit
Do printed self-help materials help people to quit smoking?
Do psychological interventions work for people with both depression and substance use disorders?
Do Quit and Win contests encourage people to give up smoking
Do school tobacco policies prevent uptake of smoking?
Do smoking bans at an institutional level help to stop people smoking?
Do speed cameras reduce road traffic crashes, injuries and deaths?
Do statins prevent kidney failure in adults after surgery where cardiac bypass is used?
Do supportive, educational and behavioural interventions improve usage of continuous positive airway pressure in adults with obstructive sleep apnoea?
Do systemic corticosteroids improve treatment outcomes in flare-ups of chronic obstructive pulmonary disease?
Do tobacco cessation interventions provided during substance abuse treatment or recovery help tobacco users to quit?
Do vaginal packing, tranexamic acid, interventional radiology or other interventions control vaginal bleeding in women with advanced cervical cancer?
Do ventilators that manage the reduction of ventilator support (weaning) reduce the duration of weaning compared to strategies managed by clinicians?
Do weight loss programs have beneficial effects on asthma outcomes in people with asthma?
Do workplace pedometer interventions increase physical activity?
Doctors and patients making decisions together could reduce the number of antibiotics prescribed for acute respiratory infections
Does 5-ASA prevent the recurrence of diverticulitis?
Does a combination of stop smoking medication and behavioural support help smokers to stop?
Does a group of drugs known as calcium channel blockers reduce mortality and unfavourable complications in patients with traumatic brain injury?
Does a local anaesthetic injection in children and young people having dental treatment under general anaesthetic reduce pain after treatment?
Does adding a long-acting muscarinic antagonist (LAMA) to an inhaled steroid help people with uncontrolled asthma more than an inhaled steroid alone?
Does adding antileukotriene agents to usual care when people are suffering an asthma attack in the emergency department help?
Does adding tiotropium, a long-acting muscarinic antagonist (LAMA), to combination therapy (LABA/ICS) help to control asthma?
Does administering colony-stimulating factors plus antibiotics in people with fever and low white cell count reduce hospitalization?
Does advice from doctors encourage people who smoke to quit
Does altering dietary salt intake aid in the prevention and treatment of diabetic kidney disease?
Does altering the dose of inhaled corticosteroids make a difference in growth among children with asthma?
Does an aminophylline injection in addition to bronchodilators for an asthma attack improve lung function and other outcomes or cause harm?
Does banning or restricting advertising for alcohol result in less drinking of alcohol?
Does breastfeeding reduce vaccination pain in babies aged 1 to 12 months?
Does chewing gum after a caesarean section lead to quicker recovery of bowel function?
Does chromoscopy (dye-spraying) improve rates of polyp detection when compared to conventional colonoscopy?
Does cleaning hands with ash stop or reduce the spread of viral and bacterial infections compared with soap or other materials?
Does clonidine help smokers to quit
Does communicating DNA-based risk estimates motivate people to change their behaviour?
Does controlling exposure to house dust mites improve asthma?
Does Daikenchuto reduce postoperative ileus in persons undergoing elective abdominal surgery?
Does daily sedation interruption reduce the time critically ill adults spend on breathing machines compared to other sedation strategies?
Does daily treatment with formoterol result in more serious adverse events compared to placebo or daily salbutamol?
Does daily treatment with salmeterol result in more serious adverse events compared with placebo or a salbutamol?
Does delaying cord clamping or using cord milking at birth improve the health of babies born too early?
Does delivery of home care by outreach nurses improve outcomes for people with chronic obstructive pulmonary disease?
Does denser compared to normal bupivacaine, given as a lower back injection, give more effective and safer anaesthesia during caesarean section
Does dermoscopy improve the accuracy of diagnosing basal cell or squamous cell skin cancer (BCC or cSCC) compared to using the naked eye alone?
Does dietary fibre prevent the recurrence of colorectal adenomas and carcinomas?
Does electromagnetic field stimulation help heal fractures that are failing or have failed to heal?
Does enhanced external counterpulsation reduce symptoms of chronic and refractory angina pectoris?
Does extended-field radiotherapy reduce death from locally advanced cervical cancer and what are the side effects?
Does giving chemotherapy before surgery improve survival or quality of life for women with advanced ovarian epithelial cancer?
Does giving chemotherapy straight away or waiting for symptoms prolong life for persons who have incurable colorectal cancer without symptoms?
Does giving chemotherapy, radiotherapy or both improve survival in people with rare (anaplastic oligodendrogliomas and oligoastrocytomas) brain tumours?
Does giving daily small, steadily increasing amounts of egg protein help people with egg allergy?
Does giving patients carbohydrate supplements before planned surgery lead to improved recovery?
Does giving people feedback on the effects of smoking on their body help them quit smoking?
Does group therapy improve well-being in people living with HIV?
Does haemodialysis membrane type influence outcomes in people with kidney disease?
Does HPV vaccination prevent the development of cervical cancer? Are there harms associated with being vaccinated?
Does hyperbaric oxygen therapy improve outcome after heart attack?
Does hyperbaric oxygen therapy improve the survival and quality of life in patients with traumatic brain injury?
Does hypnotherapy help people who are trying to stop smoking?
Does individually-delivered counselling help people to stop smoking?
Does isolating the site of a dental restoration during treatment improve the performance of the restoration?
Does legislation to ban smoking reduce exposure to secondhand smoke and smoking behaviour?
Does mecamylamine help people to stop smoking
Does monitoring oxygen level with a pulse oximeter during and after surgery improve patient outcomes?
Does more support increase success amongst people using medications to quit smoking?
Does motivational interviewing help people to quit smoking?
Does Nicobrevin help people to stop smoking
Does perioperative blood transfusion affect the recurrence rate of potentially curable operations for colorectal cancer?
Does personalised advice via computer or mobile devices reduce heavy drinking?
Does physical exercise have beneficial or harmful effects in cirrhosis?
Does platelet-rich plasmapheresis (PRP) reduce the need for donor blood
Does pre-transfusion washing of red blood cells for preterm babies improve their health outcomes?
Does prophylactic mesh placement around a stoma prevent the development of future hernia and general patient discomfort?
Does quarantine control coronavirus (COVID-2019) either alone or in combination with other public health measures?
Does quit-smoking support delivered by community pharmacy staff help people to stop smoking?
Does reducing the amount of salt in a diet improve asthma symptoms?
Does reduction of dialysate temperature affect blood pressure during haemodialysis?
Does reminding people to have vaccinations increase the number of people who receive vaccinations?
Does repair of torn rotator cuff tendons work?
Does silver acetate help people stop smoking
Does smoking in a way that is unpleasant help smokers to quit
Does special assessment of older people getting surgery improve their recovery after surgery?
Does statin therapy improve survival or reduce risk of heart disease in people on dialysis?
Does subfascial endoscopic perforator surgery (leg-vein surgery) help heal venous leg ulcers?
Does supplementation of human milk with calcium and phosphorus improve growth and development in preterm infants?
Does support and intervention from nurses help people to stop smoking?
Does surgical removal of fibroids improve fertility outcomes?
Does taking a supplement of myo-inositol work as an effective treatment for women who develop diabetes during pregnancy?
Does taking inhaled steorids either before or after being intubated (having a tube down the throat to help you breathe) prevent the painful swelling that can result?
Does taxation of unprocessed sugar or foods with added sugar reduce their consumption and prevent obesity or other adverse health outcomes?
Does telephone counselling help people stop smoking?
Does the administration of nalbuphine provide effective and safe postoperative pain treatment in children?
Does the measles, mumps, rubella and varicella (MMRV) vaccine protect children, and does it cause harmful effects?
Does the perioperative administration of tramadol provide effective and safe postoperative analgesia in children?
Does the prescription of low-calorie (hypocaloric) nutrition support improve the recovery of critically-ill adult patients?
Does the speed of injection make a difference in the amount of pain and bruising in people receiving heparin injections?
Does the timing and route of nutritional support have an effect on survival and disability in head-injured patients?
Does tobacco advertising and promotion make it more likely that adolescents will start to smoke
Does tranexamic acid given before an operation reduce blood loss for women with advanced ovarian cancer?
Does treating obstructive sleep apnoea in children who also have chronic cough improve their cough?
Does treating Streptococcal throat infection help improve psoriasis?
Does treatment for gum disease help people with diabetes control blood sugar levels?
Does use of an electronic health record improve the delivery of stop smoking treatment to patients?
Does written information reduce antibiotic use for upper airway infections among people treated in primary care settings?
Domestic violence screening and intervention programmes for adults with dental or facial injury
Domiciliary oxygen for chronic obstructive pulmonary disease
Domiciliary oxygen for interstitial lung disease
Dominican Republic will now have free access to Cochrane Reviews
Donepezil for dementia in people with Down Syndrome
Donepezil for people with dementia due to Alzheimer's disease
Donor organ preservation techniques for kidney transplantation
Donor versus no donor comparison of hematopoietic cell transplantation for adult acute lymphoblastic leukemia in first complete remission
Dopamine agents for hepatic encephalopathy
Dopamine agonist therapy in early Parkinson's disease
Dopamine agonists for idiopathic hyperprolactinaemia and prolactinoma in adults
Dopamine agonists for preventing future miscarriage in women with high prolactin levels and a history of recurrent miscarriage
Dopamine agonists for restless legs syndrome
Dopamine agonists for the treatment of people who misuse cocaine
Dopamine agonists for traumatic brain injury
Dopamine agonists to prevent ovarian hyperstimulation syndrome in women undergoing assisted reproduction technology
Dopamine for prevention of morbidity and mortality in term newborn infants with suspected perinatal asphyxia
Dopamine transporter imaging for the diagnosis of dementia with Lewy bodies
Dopamine versus dobutamine for hypotensive preterm infants
Dopamine versus no treatment to prevent renal dysfunction in indomethacin-treated preterm newborn infants
Dopaminergic agents versus control for enhancing stroke recovery and rehabilitation