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Open access

Research article

First published 2021-7

The Ceiling Effect,the Floor Effect,and the Importance of Active and Placebo Control Arms in Randomized Controlled Trials of an Investigational Drug

Chittaranjan Andrade

Indian Journal of Psychological Medicine

Retricted access

Product review

First published 2016-8

Intravenous tranexamic acid for hyperacute primary intracerebral hemorrhage: Protocol for a randomized,placebo-controlled trial

Nikola Sprigg, Katie Robson, Philip Bath [...]

International Journal of Stroke

Retricted access

Other

First published 2010-6

Memantine for cognitive impairment in multiple sclerosis: a randomized placebo-controlled trial

JF Lovera, E. Frohman, TR Brown [...]

Multiple Sclerosis Journal

Retricted access

Research article

First published 2002-12

Placebo Controls in Randomized Trials of Acupuncture

Andrew J. Vickers

Evaluation & the Health Professions

Open access

Research article

First published 2025

Intralesional Injection of Vitamin D3 for Treatment of Cutaneous Warts: A Randomized,Double-Blind,Placebo-Controlled Trial

Stephen P. Merry, David N. Brennan, Michelle J. Duvall [...]

Journal of Primary Care & Community Health

Open access

Research article

First published 2023

Comparison of the efficacy and safety of leflunomide versus placebo combined with basic prednisone therapy in patients with active disease phase of Takayasu arteritis: study protocol for a randomized,double-blinded controlled trial (Takayasu arteritis clinical trial in China: TACTIC)

Ying Sun, Bingjie Wu, Wei Zhang [...]

Sage Open Chronic Disease

Retricted access

Research article

First published 2025-5

The effects of Dendropanax morbiferus on cognitive function and cerebral cortical thickness: A randomized,double-blind,placebo-controlled trial

Chaewon Suh, Shinhye Kim, Yoonji Joo [...]

Journal of Alzheimer’s Disease

Free access

Research article

First published 2024-9

Perispinal Etanercept to improve STroke Outcomes (PESTO): Protocol for a multicenter,international,randomized placebo-controlled trial

Vincent Thijs, Geoffrey C Cloud, Nigel Gilchrist [...]

European Stroke Journal

Retricted access

Research article

First published 2007-06

Experiences of Acupuncturists in a Placebo-Controlled,Randomized Clinical Trial

Claire A. McManus, Ted J. Kaptchuk, Rosa N. Schnyer [...]

Journal of Integrative and Complementary Medicine

Retricted access

Research article

First published 2004-12

The effects of an open design on trial participant recruitment,compliance and retention – a randomized controlled trial comparison with a blinded,placebo-controlled design

Alison Avenell, Adrian M Grant, Maureen McGee [...]

Clinical Trials

Search results