Pain caused by a common preservative
Part of Pain clinical trials.
This study looks at how much pain a common preservative (m-cresol) causes when injected. You'll receive two injections (one with the preservative, one without) to compare the pain, helping make future injections less painful.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You must be between 18 and 70 years old.
- You cannot be taking any medications (except birth control pills).
- If female, you cannot be pregnant or breastfeeding.
- You must not have any known allergies, especially asthma or skin conditions.
- You cannot have any skin problems, numbness, or unexplained bruising on the test site.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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