Open-label trial

Sporn, J; Denicoff, KK; Luckenbaugh, D; Charney, DS; Manji, HK. An open-label trial of riluzole in patients with treatment-resistant major depression.

察者偏向所影響。在各種科學研究領域中，從醫學、食品、心理到社會科學及法證都有使用盲法進行實驗。不使用盲法的实验叫做开放标签试验（英语：Open-label trial）。 在汉语（和较老或非正式的英语文献）中，习惯以單盲、雙盲、三盲区分盲法执行的程度，一般分别指代对受试者、研究人员、分析人员层层保密

zibotentan (ZD4054) in subjects with hepatic or renal impairment: two open-label comparative studies. BMC Clin Pharmacol. 2011, 11: 3. PMC 3070638 . PMID 21414193

first relapse of acute lymphoblastic leukaemia (ALL R3): an open-label randomised trial. Lancet. 2010, 376 (9757): 2009–2017. PMC 3010035 . PMID 21131038

trial number NCT02129777 for "Efficacy and Safety of Namilumab (MT203) for Plaque Psoriasis" at ClinicalTrials.gov A 24-week Randomized, Open-Label,