The ALSUntangled program is off to a good start, with a number of specific requests from PALS being investigated by a multi-national group of ALSclinician-scientists. PALS and other clinician-scientists who want to become involved in ALSUntangledcan find instructions online (16)
Grade D: One or more peer-reviewed publications reporting benefits in a flawed trial.
Flawed trials means those in which there are identifiable problems with patient selection, randomization, blinding, controls or follow-up. These have ‘high or unclear risk of bias’ according to published criteria. Well-designed trials are those that have ‘low risk of bias’.