Company: QTIWW
Filing Date: 2025-01-16
Form Type: S-1
Source: 0001628280-25-001723
Chunk: 200

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-01-16
Form: S-1
Chunk 200
---
 not powered for statistical analysis, but provided information to support a broader study. The full studies are available at www.qtultrasound.com/dense-breast-mass/.

<div align='center'>Example of a QTscan mass (right) not seen on x-ray mammography (left)

Image 8</div>

Some of the following additional studies were not conducted by the Company or specifically related to the QTscan. However, the Company or one of its affiliates sponsored or designed the clinical studies or the Company’s employees analyzed or authored the results, findings, or articles which are generally applicable to the Company or the QTscan.

1. M.P. Andre, C Barker, N Sekhon, J Wiskin, D Borup, K. Callahan: Pre-clinical experience with full-wave inverse scattering for breast imaging: Sound speed sensitivity, Acoustical Imaging 29:73-80, Springer, Dordrecht, 2009.

The Andre et al study was a pilot clinical study not conducted by the Company and there is no comparator. The number of participants was fewer than 20. This was a registry study not a comparative trial. There were no serious adverse events and no statistical analysis was needed, since there was no comparator.

2. J. Wiskin; D. Borup; S. Johnson; M. Berggren; D. Robinson; J. Smith; J. Chen; Y. Parisky; John Klock, ‘Inverse scattering and refraction corrected reflection for breast cancer imaging’, Jan D’hooge; Stephen A. McAleavey, Eds., Proc. SPIE, 7629, 2010.

The Wiskin et al study was a pilot clinical study involving the participation of Dr. Klock. There is no comparator. The number of participants was fewer than 20. This was a registry study not a comparative trial. There were no serious adverse events and no statistical analysis was needed, since there was no comparator.

3. Pellegretti, P, S Dellepiane, M. Vicari, M. Zani, M. Weigel, D. Borup, J. Wiskin, U. Saueressig, E. Kotter, and M. Langer A Clinical Experience of a Prototype Automated Breast Ultrasound System Combining

<div align='center'>127</div>

Transmission and Reflection 3D Imaging, UFFC 2011-IEEE International Ultasonics Symposium Oct. 18-21,