Dr. Noss has been a principal investigator on over 700 clinical trials in more than 70 therapeutic areas. Throughout his career, he has developed a large dermatology niche that includes serving as a principal investigator on 27 psoriasis, six atopic dermatitis, 14 acne, four actinic keratosis, two cellulite, one keratosis pilaris, 11 onychomycosis, one seborrheic dermatitis, one seborrheic keratosis, and nine tinea pedis studies. In addition, Dr. Noss has conducted 88 consumer-based clinical trials, including product use and tolerance, dermal patching studies, biopsy, and much more.