single-blind


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single-blind

, single-blinded (sing'gel-blind')
Pert. to a method, study, or clinical trial in which only the investigators know what treatment or medication, if any, the subjects receive. A single-blind study attempts to eliminate subjective bias such as the placebo effect from the results.
Synonym: single-masked See: blind (2); double-blind
References in periodicals archive ?
The randomized trial included a six-week single-blind, dose optimization phase followed by a 13-week double-blind phase.
CAPTION: Note: Based on 12-month follow-up data from a randomized, single-blind clinical trial that included 93 patients with mild to moderate knee osteoarthritis.
Single-blind review tends to favor and therefore attract already accomplished authors.
Data Source: Data are from a prospective, randomized, single-blind study of 44 adult patients who were treated for unilateral lumbosacral radiculopathic pain.
Data Source: Randomized, single-blind trial of 72 teens with at least two episodes of self-harm in a year.
The researchers generally preferred double-blind review to the current standard of single-blind review as an improvement to the objectivity and fairness of the system.
A 2-group, randomized, pre-test, post-test, single-blind design was utilized following IRB-approval.
The COSTAR II clinical trial is a randomized, single-blind, non-inferiority study comparing Conor Medsystems' CoStar(R) cobalt chromium paclitaxel-eluting stent with Boston Scientific's Taxus(R) Express2 drug- eluting stent in the treatment of de novo lesions in patients with single or multi-vessel coronary artery disease.
He reported on a multicenter, randomized, double-blind, placebo-controlled trial that used a novel design in which 248 adolescents were initially enrolled, and then 171 were selected for the intent-to-treat group based on lack of response to zolmitriptan in a single-blind placebo challenge (see "Placebo Response In Adolescents").
Seven days after patients with a total of three grade 3 or 4 hemorrhoids underwent a hemorrhoidectomy in a single-blind, randomized trial, the median postoperative pain score (assessed pain with a visual analog score) for the 24 patients in the Ligasure group was significantly lower than that for 23 patients in the Harmonic Scalpel group (2.
Effect of an Indo-Mediterranean diet on progression of coronary artery disease in high risk patients (Indo-Mediterranean Diet Heart Study): a randomized single-blind trial.
We conducted a placebo-controlled, single-blind study to determine the efficacy of a local preoperative injection of a steroid/anesthetic combination in preventing posttonsillectomy pain.