Perimeter Announces Completion of Patient Enrollment in Pivotal Clinical Trial Evaluating OCT B-Series with ImgAssist AI in Breast-Conserving Surgeries

In This Article:

– Perimeter OCT B-Series is the first system designed to combine AI with optical coherence tomography for margin assessment, with the aim of reducing the unacceptably high reoperation rates associated with BCS –

– Recent study1 published in the Annals of Surgical Oncology revealed reoperation rates of 21.1% among commercially insured women and 14.9% among the Medicare cohort –

– Primary endpoint results from OCT B-Series pivotal trial expected in Q4-2024; could support submission to FDA in 2025 –

– First-ever marketing clearance for specific use in breast tissue, breast cancer, and margin evaluation, if obtained, would represent a major inflection point for Perimeter's business –

TORONTO and DALLAS, Oct. 1, 2024 /CNW/ - Perimeter Medical Imaging AI, Inc. (TSXV: PINK) (OTC: PYNKF) ("Perimeter" or the "Company"), a commercial-stage medical technology company, today announced the completion of patient enrollment in a pivotal study evaluating the use of its next-generation Perimeter B-Series OCT system, which combines proprietary artificial intelligence ("AI") technology with optical coherence tomography ("OCT"), during breast-conserving surgeries ("BCS").

Perimeter Medical Imaging AI Logo (CNW Group/Perimeter Medical Imaging AI Inc.)
Perimeter Medical Imaging AI Logo (CNW Group/Perimeter Medical Imaging AI Inc.)

Unfortunately, re-excision after BCS is a common problem with reoperation rates reported from 14 to 21%1 due to missed margins and leaving cancer behind. If Perimeter's B-Series study is successful, it will have demonstrated a decrease in the number of patients where breast cancer was missed during surgery.

This prospective, multi-center, randomized, double-arm clinical trial enrolled approximately 530 women, aged 18 years and older, undergoing BCS for the treatment of Stage 0-III invasive ductal carcinoma and/or ductal carcinoma in situ. Participants were recruited from 10 clinical sites across the United States and randomized in a 2:1 ratio to the device and control arms.

Approximately 200 of these subjects will be used to evaluate the effectiveness of the Perimeter B-Series, which integrates OCT imaging with the ImgAssist 2.0 AI algorithm, in addressing positive margins as compared to the standard lumpectomy procedure. A within-subject analysis will be used to assess the primary endpoint, which is the occurrence of at least one unaddressed positive margin for a subject. In addition, several other analyses will be conducted, including evaluations of safety outcomes, cosmesis results, as well as secondary and exploratory endpoints that examine positive cancer results at the margin and patient levels.