Periphas Science Group

Periphas Science Group (PSG) is a boutique consultancy specializing in regulatory strategy, medical writing, and health authority interactions for pharmaceutical, biotechnology, medical device, and dietary supplement companies. We partner with innovators to help shepherd their products and therapies through the complex pathways of global regulatory approval—crafting clear, compelling, data-driven messages that accelerate time to market. Founded by Dr. Karry Jannie, PhD, MPH, and supported by a team of experts in clinical research, medical writing, biostatistics, and regulatory affairs, PSG is defined by its depth of expertise and broad experience across therapeutic areas. Dr. Jannie is a scientist and public health professional with advanced degrees in biomedical research and public health. She is currently completing her Doctor of Public Health (DrPH) at Johns Hopkins University, with a research focus on multiple sclerosis, chronic pain, and dietary supplements that have pharmacologic activity. Her professional and academic experience bridges biochemistry, population health, and emerging therapeutic areas that require nuanced regulation. Our core services include: • Authoring of clinical trial protocols, clinical study reports, and summary-level documents • Submission support for IND, NDA, BLA, MAA, and other health authority interactions • Preparation of strategic briefing documents, presentations, and regulatory communications • Safety report development including DSURs, PADERs, RMPs, and REMS • Expertise in dietary supplement and cannabinoid regulatory frameworks PSG is especially adept at navigating intersections between traditional pharma and evolving therapeutic spaces such as cannabinoid-based products and dietary supplements. We ensure our clients are always one step ahead of the regulatory curve. Specialties Regulatory Science | Medical Writing | NDA/BLA/MAA Submissions| Cannabis & Dietary Supplement Regulation | Strategic Communications | Biostatistics|