NCT05579782

Assessing Benefits of NIRAF Detection for Identifying Parathyroid Glands During Total Thyroidectomy

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 80 (actual)
• Sponsor: Medical College of Wisconsin · Academic / Other
• Sex: All
• Age: 18 Years – 99 Years
• Healthy volunteers: Accepted

Summary

This study describes a single center, randomized, single-blinded clinical trial to assess the clinical benefits of the use of near infrared autofluorescence (NIRAF) detection with an FDA-cleared device 'Parathyroid Eye (PTeye)' for identifying parathyroid glands during total thyroidectomy. It compares risk-benefits and outcomes in patients undergoing total thyroidectomy where NIRAF detection with PTeye for parathyroid identification is either used or not used.

Detailed description

Inadvertent damage or excision of a healthy parathyroid gland (PG) following a total thyroidectomy (TTx) could result in transient hypocalcemia (\< 6 months) in 5 - 35% of cases or permanent hypocalcemia (\> 6 months) in 7% of the patients (1, 2). In both of these circumstances, patients would require calcium and active vitamin D supplementation in addition to a potentially prolonged hospital stay and/or unplanned hospital readmission adding to unnecessary burden and healthcare costs. These complications could be minimized with label-free intraoperative PG identification using near infrared autofluorescence (NIRAF) detection with a fiber-probe based approach as utilized in 'PTeye', which is medical device that was recently FDA-cleared. However, the true impact of this particular NIRAF-based approach on patient outcomes is yet to be determined The aim of this prospective single blinded randomized study is to compare 2 groups of patients: TTx patients operated using NIRAF detection technology with PTeye as adjunct tool (NIRAF+) vs. patients operated without the adjunct technology (NIRAF-). The main objective of this study is to assess the benefit of intraoperative use of NIRAF detection technology via PTeye during TTx procedures with regard to postoperative hypocalcemia, PG identification, PG auto-transplantation and inadvertent resection rates compared to standard of care.

Conditions

• Postoperative Hypoparathyroidism
• Thyroid Disease
• Thyroid Neoplasms
• Thyroid Cancer

Interventions

Type	Name	Description
DEVICE	NIRAF Detection Technology	Near Infrared Autofluorescence (NIRAF) detection technology or 'PTeye' consists of a disposable fiber-optic probe that emits non-ionizing radiation from a NIR 785 nm laser source, and also transmits the resulting tissue NIRAF to a photo detector. The 785 nm laser source emits a maximum power of 20 mW. The device is FDA cleared for clinical use in general surgeries and dermatological use (Class 2 device). After surgeon identifies a potential parathyroid gland in the surgical field, the surgeon places the fiber-optic probe of PTeye on suspect tissue and presses the device foot-pedal to activate tissue NIRAF measurement. Auditory beep at high frequency with a Detection Ratio \> 1.2 is interpreted by device as the suspect tissue being positive for parathyroid. Other Name: PTeye Device

Timeline

• Start date: 2022-10-05
• Primary completion: 2024-05-29
• Completion: 2024-12-31
• First posted: 2022-10-14
• Last updated: 2025-07-31
• Results posted: 2025-07-31

Locations

1 site across 1 country: United States

Regulatory

• FDA-regulated device study