Gabapentin for chronic neuropathic pain in adults (protocol stage)

Gabapentin monotherapy for epilepsy (protocol stage)

Gamma aminobutyric acid (GABA) modulators for amyotrophic lateral sclerosis/motor neuron disease (protocol stage)

Gamma-interferon for chronic hepatitis B (protocol stage)

Ganoderma Lucidum (Reishi mushroom) for cancer treatment (protocol stage)

Ganoderma lucidum for the treatment of cardiovascular risk factors (protocol stage)

Garlic for the prevention of cardiovascular morbidity and mortality in hypertensive patients (protocol stage)

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

Gemcitabine for lung cancer (protocol stage)

Gemcitabine for platinum-resistant or recurrent ovarian cancer (protocol stage)

Gene therapy for peripheral arterial disease (protocol stage)

Gene therapy for sickle cell disease (protocol stage)

General versus loco-regional anaesthesia for endovascular aneurysm repair (protocol stage)

Generic versus non-generic prescribing for epilepsy (protocol stage)

Genital ulcer disease treatment for reducing sexual transmission of HIV (protocol stage)

Genotypic antiretroviral resistance testing at viral failure in people with HIV (protocol stage)

Ginkgo biloba for cognitive improvement in healthy individuals (protocol stage)

Ginseng for cognition (protocol stage)

Gloves, gowns and masks for reducing the transmission of meticillin-resistant Staphylococcus aureus (MRSA) in the hospital setting. (protocol stage)

Glucagon-like peptide analogues for type 2 diabetes mellitus (protocol stage)

Glucocorticoid supplementation during ovarian stimulation for IVF or ICSI (protocol stage)

Glucocorticoid with cyclophosphamide for paraquat-induced lung fibrosis (protocol stage)

Glucocorticoids for the treatment of anaphylaxis (protocol stage)

Glucocorticosteroids for alcoholic hepatitis (protocol stage)

Glucocorticosteroids for liver transplanted patients (protocol stage)

Glucocorticosteroids for viral hepatitis B (protocol stage)

Glucose-insulin-potassium (GIK) and Tight-glycaemic-control (TGC) versus standard therapy insulin for critically ill patients (protocol stage)

Glutamine for induction of remission in Crohn's disease (protocol stage)

Glutamine supplementation in enteral or parenteral nutrition for the incidence of mucositis in colorectal cancer (protocol stage)

Gonadotrophin-releasing hormone agonist protocols for pituitary suppression in assisted reproductive treatment (protocol stage)

Gonadotrophin-releasing hormone analogues for hirsutism (protocol stage)

Gonadotropin-releasing hormone agonist versus HCG for oocyte triggering in antagonist assisted reproductive technology cycles (protocol stage)

Group versus conventional antenatal care for pregnant women (protocol stage)

Group visits as part of ongoing care for improving health (protocol stage)

Growth factors for chronic kidney disease in adults (protocol stage)