Acne Vulgaris — A Study of a Hydrocolloid Bandage on Pimples
Citation(s)
Chao CM, Lai WY, Wu BY, Chang HC, Huang WS, Chen YF A pilot study on efficacy treatment of acne vulgaris using a new method: results of a randomized double-blind trial with Acne Dressing. J Cosmet Sci. 2006 Mar-Apr;57(2):95-105.
Heng AHS, Chew FT Systematic review of the epidemiology of acne vulgaris. Sci Rep. 2020 Apr 1;10(1):5754. doi: 10.1038/s41598-020-62715-3.
Tripathi SV, Gustafson CJ, Huang KE, Feldman SR Side effects of common acne treatments. Expert Opin Drug Saf. 2013 Jan;12(1):39-51. doi: 10.1517/14740338.2013.740456. Epub 2012 Nov 20. Review.
An Evaluation of the Safety and Efficacy of a Hydrocolloid Bandage on Pimples
Interventional studies are often prospective and are specifically tailored to evaluate direct impacts of treatment or preventive measures on disease.
Observational studies are often retrospective and are used to assess potential causation in exposure-outcome relationships and therefore influence preventive methods.
Expanded access is a means by which manufacturers make investigational new drugs available, under certain circumstances, to treat a patient(s) with a serious disease or condition who cannot participate in a controlled clinical trial.
Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.
Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.
