What are the benefits and risks of different lifestyle and dietary changes for Ménière's disease? Key messages Due to a lack of robust evidence, it is not clear whether any lifestyle or dietary changes used to treat Ménière's disease work to improve people's symptoms, despite their routine use in clinical practice. We also do not know if there are any risks associated with these interventions. Larger, well-conducted studies are needed in order to identify whether any lifestyle or dietary changes may be effective, and assess whether they have any harmful effects. Further work also needs...

What are the benefits and risks of gentamicin given directly to the ear in Ménière's disease? Key messages Due to a lack of robust evidence, it is not clear whether gentamicin - an antibiotic given into the ear (intratympanic gentamicin) works to improve symptoms for people with Ménière's disease. It is also not clear whether there are any risks associated with treatment. Larger, well-conducted studies are needed to identify whether this treatment may be effective, and to assess whether there are any harmful effects. Further work also needs to be done to find out how best to measure the...

Vaccines for the prevention of infections in adults with haematological malignancies This is a protocol for a Cochrane Review (intervention). The objectives are as follows: To assess the benefits and adverse effects of vaccines for the prevention of infections in adults with haematological malignancies. This is a protocol....

What are the benefits and risks of different types of surgery for Ménière's disease? Key messages Due to a lack of robust evidence, it is not clear whether any types of surgery used to treat Ménière's disease work to improve people's symptoms. There was no information regarding the potential for serious risks from these treatments. Larger, well-conducted studies are needed in order to identify whether surgery may be effective, and assess whether there are any harmful effects of treatment. Further work also needs to be done to find out how best to measure the symptoms of people with...

Simvastatin for lowering lipids This is a protocol for a Cochrane Review (intervention). The objectives are as follows: To evaluate the benefits and harms of different doses of simvastatin on lipid parameters and withdrawals due to adverse effects (WDAEs) in people of any age compared to placebo. This is a protocol....

Immune checkpoint inhibitors for advanced pancreatic cancer This is a protocol for a Cochrane Review (intervention). The objectives are as follows: To evaluate the benefits and harms of immune checkpoint inhibitors (ICIs), as monotherapy or in combination (with chemotherapy or targeted therapy), for people with advanced pancreatic cancer compared with chemotherapy, targeted therapy, or placebo. This is a protocol....

What are the benefits and risks of different medications for Ménière's disease? Key messages Due to a lack of robust evidence, it is not clear whether any oral medicines (tablets) used to treat Ménière's disease work to improve people's symptoms, despite their routine use in clinical practice. When used for other conditions, these medications may cause side effects. However, there was too little information from the studies in Ménière’s disease for us to know if there are serious risks from these treatments. Larger, well-conducted studies are needed in order to identify whether some...

What are the benefits and risks of positive pressure therapy for Ménière's disease? Key messages Due to a lack of robust evidence, it is not clear whether positive pressure therapy works to improve the symptoms of people with Ménière's disease. We did not find any information on whether this treatment may cause any harm. Larger, well-conducted studies are needed in order to identify whether positive pressure therapy may be effective, and make sure that there are no harmful effects of treatment. Further work also needs to be done to find out how best to measure the symptoms of people...

Ketamine and other NMDA receptor antagonists for chronic pain This is a protocol for a Cochrane Review (intervention). The objectives are as follows: To evaluate the benefits and harms of ketamine and other NDMA receptor antagonists compared to placebo, usual care, or other medicines for adults with chronic non-cancer pain. This is a protocol....

Risk factors for the development and progression of proliferative diabetic retinopathy (a diabetes complication affecting eyes) Review question We wanted to find out which factors may increase or reduce the chance that people with diabetes develop proliferative diabetic retinopathy and high-risk proliferative diabetic retinopathy, both sight-threatening complications of diabetes. Background In diabetes, over time, raised blood sugar levels damage fine blood vessels in the retina, the layer at the back of the eye that gives people sight. This is called ‘diabetic retinopathy’. In some people...

Methods for informing people with amyotrophic lateral sclerosis/motor neuron disease of their diagnosis Review question We planned to assess the evidence about communicating the diagnosis of amyotrophic lateral sclerosis (ALS) or motor neuron disease (MND). Background ALS, which is also known as MND, is an illness affecting the nerves that control movement. It causes increasing disability, including limb weakness, difficulty with breathing, and speech and swallowing problems. Most importantly, people with ALS/MND have to cope with the fact that ALS/MND usually leads to death within three to...

Catheter insertion techniques for improving catheter function and clinical outcomes in peritoneal dialysis patients What is the issue? Peritoneal dialysis (PD) relies on the insertion of a flexible plastic catheter, which is passed into the peritoneal cavity (space around the abdominal organs) to provide dialysis treatment. This tube must be able to allow the circulation of sterile fluid in and out of the peritoneal cavity several times each day (or overnight) to provide optimum clearance of waste products and water. The technique used to initially place the PD catheter into the peritoneal...

Does tranexamic acid (a medicine used to improve blood clotting) reduce bleeding during endoscopic surgery for chronic rhinosinusitis? What is chronic rhinosinusitis? Chronic rhinosinusitis is an inflammation of the sinuses that has lasted for at least 12 weeks. People with chronic rhinosinusitis can experience symptoms such as a blocked or runny nose, a feeling of facial pain or pressure, or a reduction or loss of the sense of smell. Some people may also have polyps in their nose, which can worsen the symptoms. How is chronic rhinosinusitis treated? Chronic rhinosinusitis is usually treated...

Are there any drugs which help reduce bleeding after surgery on blood vessels? • Key messages We do not yet know what the best drugs are to reduce bleeding and blood transfusions during vascular surgery. • What is vascular surgery? Vascular surgery is when a surgeon operates on blood vessels, to repair leaks and areas of weakness, or to clear blockages. This review focused on the types of vascular surgery that are more likely to lead to severe bleeding. • Why is it important to reduce blood transfusions during vascular surgery? If people bleed a lot during or after this type of surgery they...

Medical and surgical interventions for neurotrophic keratopathy This is a protocol for a Cochrane Review (intervention). The objectives are as follows: To examine the efficacy and safety of medical and surgical interventions of neurotrophic keratopathy (NK). This is a protocol....

Probiotics for the management of functional abdominal pain disorders in children Probiotics for stomach pain in children Key messages Probiotics may be better than placebo (dummy treatment) at improving stomach pain for children with functional abdominal pain. Synbiotics may be better than placebo (dummy treatment) at improving stomach pain for children with functional abdominal pain. What is functional abdominal pain? Functional abdominal pain is a common problem in children. The term functional abdominal pain is used when no cause can be found for the symptoms. These symptoms include...

Aripiprazole versus brexpiprazole for people with schizophrenia This is a protocol for a Cochrane Review (intervention). The objectives are as follows: To assess the efficacy and tolerability of aripiprazole compared to brexpiprazole in people diagnosed with schizophrenia or schizophrenia-like psychosis. This is a protocol....

Interventions to slow the progression of short-sightedness in children Key messages • Medications such as atropine, given as eye drops, can slow the progression of short- or near-sightedness (myopia) in children, and also reduce elongation of the eyeball due to myopia. Higher doses of atropine are most effective. We are uncertain about the effects of lower doses of atropine. • Several treatments, including special types of lenses in eye glasses as well as contact lenses, may slow the progression of short-sightedness, but their effect is still uncertain and there is insufficient information...

Stem cell-based interventions for the treatment of stroke in newborn infants This is a protocol for a Cochrane Review (intervention). The objectives are as follows: To evaluate the benefits and harms of stem cell-based interventions for the treatment of stroke in newborn infants compared to control (placebo or no treatment) or stem-cell based interventions of a different type or source. This is a protocol....

Routine decompression by nasogastric tube after oesophagectomy for oesophageal cancer This is a protocol for a Cochrane Review (intervention). The objectives are as follows: To evaluate the effects of routine nasogastric decompression as compared to no nasogastric decompression after oesophagectomy. In the case of routine decompression, we will also aim to assess the effects of early versus late removal of the nasogastric tube. This is a protocol....