***TASK***
the task is to simplify the input abstract of a biomedical literature

***INPUT***
the input is the abstract of a biomedical literature

***OUTPUT***
the output is the simplified abstract for the input abstract of a biomedical literature

***DOCUMENTATION***

***EXAMPLES***

Input: Two studies tested gabapentin to treat fibromyalgia pain. One was identified in previous versions of the review and is included here. We identified another study as a conference abstract, with insufficient detail to determine eligibility for inclusion; it is awaiting assessment. The one included study of 150 participants was a 12-week, multi-centre, randomised, double-blind, placebo-controlled, parallel-group study using last-observation-carried-forward imputation for withdrawals. The maximum dose was 2400 mg daily. The overall risk of bias was low, except for attrition bias. At the end of the trial, the outcome of 50% reduction in pain over baseline was not reported. The outcome of 30% or greater reduction in pain over baseline was achieved by 38/75 participants (49%) with gabapentin compared with 23/75 (31%) with placebo (very low quality). A patient global impression of change any category of "better" was achieved by 68/75 (91%) with gabapentin and 35/75 (47%) with placebo (very low quality). Nineteen participants discontinued the study because of adverse events: 12 in the gabapentin group (16%) and 7 in the placebo group (9%) (very low quality). The number of serious adverse events were not reported, and no deaths were reported (very low quality). We have only very low quality evidence and are very uncertain about estimates of benefit and harm because of a small amount of data from a single trial. There is insufficient evidence to support or refute the suggestion that gabapentin reduces pain in fibromyalgia.
Output:

In May 2016 we searched for clinical trials where gabapentin was used to treat pain due to fibromyalgia in adults. We found one study that met the requirements for this review. The study tested 1200 to 2400 mg/day of gabapentin compared with a placebo over 12 weeks, in 150 people. The study did not report the number of people with pain reduced by half at the end of week 12. At that time 5 in 10 people taking gabapentin and 3 in 10 taking the placebo had their pain reduced by at least one third. A report of feeling better to any degree was reported by 9 in 10 taking gabapentin and 5 in 10 taking placebo. About 2 in 10 people taking gabapentin stopped taking the medicine because of side effects, compared with 1 in 10 taking the placebo. The study did not report the number of people with serious side effects, but did report that there were no deaths. We rated the quality of the evidence as very low because there was only a single small study with important study limitations. Several factors reduced our confidence in the result. Very low quality evidence means that we are very uncertain about the results.