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Clinical Trial Summary

The purpose of this study is to assess the safety and tolerability of acellular adipose tissue (AAT), intended for the repair of soft tissue defects in humans, in healthy volunteers. The investigators hypothesize that AAT will be safe and well tolerated upon injection into human soft tissue.


Clinical Trial Description

This is a 12-week, prospective, Phase I study in healthy volunteers assessing the safety and tolerability of acellular adipose tissue (AAT) intended for the repair of soft tissue defects in humans. Up to five (5) 2 milliliters (mL) subcutaneous injections of AAT will be administered into redundant tissues previously identified and scheduled for surgical removal in an elective surgical procedure.

Participants will be enrolled and assigned chronologically to one of five excision time points: Weeks 2, 4, 6, 8, and 12 post-injection. Implants will be injected on Day 0. A safety visit will occur at 1 week post-injection; follow-up visits will occur at Weeks 2 and 4 (for patients who still have implants) post-injection and at time of tissue excision. At the end of their assigned study time point, participants will have all AAT implants removed simultaneously during their elective surgery. Implants will be assessed using histopathological analyses including hematoxylin and eosin staining and flow cytometry. The primary outcome of safety will be determined by the incidence and rate of adverse / unanticipated events. Secondary outcomes include histopathological assessment of the explanted implants and tolerability determined by participant-reported comfort and physician-reported ease-of-use with the intervention. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02817984
Study type Interventional
Source Johns Hopkins University
Contact
Status Completed
Phase Phase 1
Start date April 2016
Completion date April 6, 2017

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