The Citruslabs blog covers all things clinical trial patient recruitment and retention as well as exciting news and developments in the medical research industry. Browse our recent posts or search for a topic you're interested in to learn more.
A placebo-controlled trial is one of the most commonly referenced study designs in clinical research, especially in health, wellness, and consumer product categories. Brands often see the term used in scientific publications or competitor claims but are not always clear on what it actually involves or when it is necessary. This article explains what a placebo-controlled trial is, how it works, and when this type of study makes sense for brands looking to generate credible, tr
Attrition bias is one of the most common and least understood sources of error in clinical and consumer research. It shows up when participants drop out of a study and those dropouts are not random. For brands relying on study data to guide decisions, this can quietly undermine confidence, credibility, and trust. This article explains what attrition bias is, why it matters, how it happens, and what brands can do to reduce its impact when running human studies. Attrition bias
Launching a topical product comes with an unspoken promise. That promise is that the product will be safe and comfortable when used by real people, not just in theory. For consumer brands, especially in skincare, personal care, and wellness, patch testing is often the first meaningful step toward understanding how a product interacts with human skin. It helps brands move from assumptions to evidence early, when decisions are easier and less costly to change. What Is Patch Tes
