Early additional food and fluids for healthy breastfed full-term infants (protocol stage)

Early combination therapy with levodopa and dopamine agonist for preventing motor fluctuations in Parkinson's disease (protocol stage)

Early laparoscopy versus clinical observation for the management of nonspecific acute abdominal pain in women of childbearing age (protocol stage)

Early laparoscopy versus observation for patients with acute abdominal pain (protocol stage)

Early mobilisation for elbow fractures in adults (protocol stage)

Early postoperative enteral nutrition versus parenteral nutrition for patients undergoing resection of stomach malignancy (protocol stage)

Early referral to specialist nephrology services for preventing the progression to end-stage kidney disease (protocol stage)

Early versus delayed refeeding for children with acute diarrhoea (protocol stage)

Early versus late initiation of epidural analgesia for labour (protocol stage)

Early versus late pre-intensive care unit admission broad spectrum antibiotics for severe sepsis in adults (protocol stage)

Early versus late removal of laryngeal mask airway (LMA) for general anaesthesia (protocol stage)

Early versus late tracheostomy for critically ill patients (protocol stage)

Early versus later discharge of physiologically stable preterm infants who are fully orally feeding (protocol stage)

Edaravone for acute intracerebral haemorrhage (protocol stage)

Edaravone for acute ischaemic stroke (protocol stage)

Education and counselling for promoting adherence to the treatment of active tuberculosis (protocol stage)

Education programmes for people with diabetic kidney disease (protocol stage)

Educational interventions for healthcare professionals to prevent pressure ulcers (protocol stage)

Educational interventions for improving the communication skills of general practice trainees in the clinical consultation (protocol stage)

Educational interventions for the management of cancer-related fatigue in adults (protocol stage)

Educational programmes for skin cancer prevention (protocol stage)

Efavirenz versus nevirapine as a non-nucleoside reverse transcriptase inhibitor in initial combination antiretroviral therapy for HIV infection (protocol stage)

Effect of adrenergic agonist oral decongestants on blood pressure (protocol stage)

Effect of amphetamines on blood pressure (protocol stage)

Effect of cyclosporine on blood pressure (protocol stage)

Effect of preventive interventions for malaria on HIV-1 disease progression in non-pregnant adults (protocol stage)

Effectiveness and cost-effectiveness of home palliative care services for adults with advanced illness and their caregivers (protocol stage)

Effectiveness and safety of finasteride in male chronic pelvic pain syndrome (protocol stage)

Effectiveness and safety of first-line fixed-dose TNF + EMC + EFZ for patients with HIV (protocol stage)

Effectiveness and safety of HIV post-exposure prophylaxis after sexual, injecting-drug-use or other non-occupational exposure. (protocol stage)

Effectiveness and safety of topiramate for drug dependents (protocol stage)

Effectiveness of different treatment modalities for the management of adult onset granulosa cell tumours of the ovary (primary and recurrent) (protocol stage)

Effectiveness of knowledge translation interventions to improve cancer pain management (protocol stage)

Effectiveness of staffing models in residential/subacute/extended aged care settings. (protocol stage)

Effects and safety of periconceptional folate supplementation for preventing birth defects (protocol stage)

Effects of communicating DNA-based disease risk estimates on risk-reducing behaviours (protocol stage)

Effects of creatine and analogues on blood pressure (protocol stage)

Effects of different bearing surface materials on aseptic loosening of total hip arthroplasty in patients with osteoarthritis and other non-traumatic diseases of the hip. (protocol stage)

Effects of the duration of androgen deprivation therapy for localized or locally advanced prostate cancer in patients treated with radiotherapy (protocol stage)

Efficacy and safety of vardenafil in men with diabetes and erectile dysfunction (protocol stage)

Efficacy of Psychostimulant Drugs for Cocaine Dependence (protocol stage)

Electrical stimulation for chronic wounds (protocol stage)

Electrical stimulation with non-implanted electrodes for urinary incontinence in adults (protocol stage)

Electromagnetic treatment for urinary incontinence in adults (protocol stage)

Elimination of cows' milk protein from infant diet for the treatment of infantile colic (protocol stage)

Email for clinical communication between healthcare professionals (protocol stage)

Email for clinical communication between patients/caregivers and healthcare professionals (protocol stage)

Email for communicating results of diagnostic medical investigations to patients (protocol stage)

Email for the management of healthcare appointments and attendance reminders (protocol stage)

Email for the provision of information on disease prevention and health promotion (protocol stage)

Embolisation therapy for pulmonary arteriovenous malformations (protocol stage)

Embryo transfer catheters for ART cycles (protocol stage)

Emergency sclerotherapy or band ligation combined with vasoactive drugs for bleeding esophageal varices in cirrhosis (protocol stage)

Enamel etching for bonding fixed orthodontic braces (protocol stage)

End-of-life care pathways for improving outcomes in caring for the dying (protocol stage)

Endoluminal stents for superficial femoral and popliteal artery occlusions in patients with lower limb peripheral artery disease (protocol stage)

Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes (protocol stage)

Endonasal versus external dacryocystorhinostomy for nasolacrimal duct obstruction (protocol stage)

Endoscopic interventions for unresectable cholangiocarcinoma (protocol stage)

Endoscopic or surgical intervention for painful obstructive chronic pancreatitis (protocol stage)

Endoscopic therapy for patients with gastro-esophageal reflux disease (GORD) (protocol stage)

Endoscopic treatment with or without stenting for the management of ureteric calculi (protocol stage)

Endoscopic versus medical therapy for recurrent bleeding from peptic ulcer associated with an adherent clot (protocol stage)

Endotracheal intubation versus face mask for newborns resuscitated with positive pressure ventilation at birth (protocol stage)

Endovascular repair of abdominal aortic aneurysm (protocol stage)

Endovascular versus conventional treatment for type B aortic dissection (protocol stage)

Endovenous ablation (radiofrequency and laser) and foam sclerotherapy versus conventional surgery for long saphenous vein varices (protocol stage)

Energy source instruments for laparoscopic colectomy (protocol stage)

Enhanced care by generalists for functional somatic symptoms and disorders in primary care (protocol stage)

Enhanced external counterpulsation for chronic angina pectoris (protocol stage)

Enhanced glycemic control for preventing and treating diabetic neuropathy (protocol stage)

Entecavir for chronic hepatitis B (protocol stage)

Enteral feeding methods for nutritional management in patients with head and neck cancers being treated with radiotherapy and/or chemotherapy (protocol stage)

Enteral nutritional supplementation with arginine for critically ill patients (protocol stage)

Enzyme replacement therapy for Anderson-Fabry disease (protocol stage)

Epidermal growth factor receptor (EGF-R) inhibitors for metastatic colorectal cancer (protocol stage)

Epidermal growth factor receptor blockers for the treatment of ovarian cancer (protocol stage)

Epidural analgesia for cardiac surgery (protocol stage)

Erlotinib for advanced non-small cell lung cancer (protocol stage)

Erythropoiesis-stimulating agents for anaemia in chronic heart failure patients (protocol stage)

Erythropoietin for anemia in rheumatoid arthritis (protocol stage)

Ethamsylate for the prevention of morbidity and mortality in preterm or very low birth weight infants (protocol stage)

Evaluation of follow-up strategies for patients with epithelial ovarian cancer following completion of primary treatment (protocol stage)

Evaluation of the efficacy and safety of adjuvant treatment to levodopa therapy in Parkinson´s disease patients with motor complications (protocol stage)

Evening Primrose Oil or other essential fatty acids for the treatment of pre-menstrual syndrome (PMS) (protocol stage)

Exchange transfusion for neonatal jaundice (protocol stage)

Excimer laser refractive surgery versus phakic intraocular lenses for the correction of moderate to high myopia (protocol stage)

Exercise for dysmenorrhoea (protocol stage)

Exercise for older depressed people (protocol stage)

Exercise for oppositional defiant disorder and conduct disorder in children and adolescents (protocol stage)

Exercise for positive mental health outcomes in adults (protocol stage)

Exercise for treating isolated meniscal injuries of the knee in adults (protocol stage)

Exercise Interventions for upper limb dysfunction due to Breast Cancer (protocol stage)

Exercise interventions on health related quality of life for cancer survivors (protocol stage)

Exercise therapy for schizophrenia (protocol stage)

Exercise therapy for the rheumatoid hand (protocol stage)

Exercise training for adults with chronic kidney disease (protocol stage)

Exercises for adolescent idiopathic scoliosis (protocol stage)

Exercises for prevention of recurrences of low-back pain (protocol stage)

Extended-release metformin versus immediate-release metformin for type 2 diabetes mellitus (protocol stage)

Extracorporeal blood purification for organophosphorus pesticide poisoning (protocol stage)

Extracranial-intracranial arterial bypass surgery for occlusive carotideal cerebrovascular disease (protocol stage)

Ezetimibe for primary hypercholesterolemia (protocol stage)