PureTech Health plc (LON:PRTC), a clinical-stage biotherapeutics company dedicated to discovering, developing and commercialising highly differentiated medicines for devastating diseases, has today noted that its Founded Entity, Follica, today announced positive feedback from an End of Phase 2 meeting with the US Food and Drug Administration (FDA) for its lead programme to treat male androgenetic alopecia. The company plans to advance the programme into Phase 3 development this year following the successful safety and efficacy optimisation study announced in December 2019.
Bharatt Chowrira, JD, PhD, president and chief of business and strategy at PureTech, said: “This positive feedback from FDA enables Follica to move forward with its pivotal trial this year. Current treatments for the progressive hair loss caused by androgenetic alopecia are inadequate, and we are pleased with Follica’s progress towards Phase 3 development, bringing us another step closer to a potential new treatment for the millions of people seeking safe, effective, non-surgical treatments to grow new hair.”
Follica plans to launch its Phase 3 programme this year. Overall, approximately 280 patients will be enroled, with efficacy assessed against two co-primary endpoints: visible (non-vellus) hair count and patient-reported outcomes on a pre-established scale. The randomised, controlled, double-blinded studies will be conducted in multiple centers across the US. A maximal use study to further understand the pharmacokinetics of the treatment will be conducted in parallel. The trial design is consistent with feedback from the FDA during the End of Phase 2 meeting.
“In the US alone, 47 million men are affected by progressive hair loss caused by androgenetic alopecia, a condition that is largely unresolved today, leaving many dissatisfied with the current available treatments and looking for a new alternative. Our recent safety and optimisation study points to a new level of effect, enabled by our proprietary approach, which stimulates the growth of new follicles and new hair,” said Jason Bhardwaj, chief executive officer of Follica. “We’re grateful to the FDA for their guidance as we prepare for our pivotal programme, and we look forward to advancing the development of our treatment regimen, which has demonstrated strong potential to address the current need for those who seek treatment for androgenetic alopecia.”
Follica’s approach is based on generating an “embryonic window” in adult scalp cells via a series of short office-based treatments with its proprietary Hair Follicle Neogenesis (HFN) device. The scalp treatments, which last just a few minutes, stimulate stem cells and enable the growth of new hair follicles. A topical drug is then applied to enhance efficacy by growing and thickening new hair follicles and hair on the scalp.
Follica reported topline results from its safety and optimisation study in December 2019. That trial was designed to select the optimal treatment regimen using Follica’s proprietary HFN device in combination with a topical drug and successfully met its primary endpoint. The selected treatment regimen demonstrated a statistically significant 44% improvement of visible (non-vellus) hair count after three months of treatment compared to baseline (p < 0.001, n = 19). Across all three treatment arms, the overall improvement of visible (non-vellus) hair count after three months of treatment was 29% compared to baseline (p < 0.001, n = 48), reflecting a clinical benefit across the entire trial population and a substantially improved outcome with the optimal treatment regimen. Additionally, a prespecified analysis comparing the 44% change in visible (non-vellus) hair count to a 12% historical benchmark set by approved pharmaceutical products established statistical significance (p = 0.005).
In addition to the safety and optimisation study, Follica has validated its approach in prior clinical studies using prototype HFN devices with different treatment parameters and therapeutic compounds. Follica’s translational work builds on research by George Cotsarelis, MD, who isolated and characterised the expression pattern of stem cells from a critical region of the follicle. An expert in epithelial stem cell biology, Dr Cotsarelis is chair of the department of dermatology at the University of Pennsylvania and a co-founder of Follica.
PureTech Health is a clinical-stage biotherapeutics company dedicated to discovering, developing and commercialising highly differentiated medicines for devastating diseases, including intractable cancers, lymphatic and gastrointestinal diseases, central nervous system disorders and inflammatory and immunological diseases, among others. The Company has created a broad and deep pipeline through the expertise of its experienced research and development team and its extensive network of scientists, clinicians and industry leaders. This pipeline, which is being advanced both internally and through PureTech’s Founded Entities, is comprised of 23 product candidates and one product that has been cleared by the US Food and Drug Administration (FDA). All of the underlying programmes and platforms that resulted in this pipeline of product candidates were initially identified or discovered and then advanced by the PureTech team through key validation points based on the Company’s unique insights into the biology of the brain, immune and gut, or BIG, systems and the interface between those systems, referred to as the BIG Axis.
