Medical logo, clinical trial symbol, blue and white color scheme, stylized letter "C" or "T", modern minimalist design, 2D illustration, bold lines, simple shapes, professional tone, high contrast, center composition, circular shape, subtle gradient effect.
Medical logo, clinical trial symbol, blue and white color scheme, stylized letter "C" or "T", modern minimalist design, 2D illustration, bold lines, simple shapes, professional tone, high contrast, center composition, circular shape, subtle gradient effect.