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Comella K, Bell W. First-in-man intraglandular implantation of stromal vascular fraction and adipose-derived stem cells plus platelet-rich plasma in irradiation-induced gland damage: a case study. Int Med Case Rep J. 2017;10:295-299doi: 10.2147/IMCRJ.S142514.
Comella, K., & Bell, W. (2017). First-in-man intraglandular implantation of stromal vascular fraction and adipose-derived stem cells plus platelet-rich plasma in irradiation-induced gland damage: a case study. International medical case reports journal, 10295-299. https://doi.org/10.2147/IMCRJ.S142514
Comella, Kristin, and Bell, Walter. "First-in-man intraglandular implantation of stromal vascular fraction and adipose-derived stem cells plus platelet-rich plasma in irradiation-induced gland damage: a case study." International medical case reports journal vol. 10 (2017): 295-299. doi: https://doi.org/10.2147/IMCRJ.S142514
Comella K, Bell W. First-in-man intraglandular implantation of stromal vascular fraction and adipose-derived stem cells plus platelet-rich plasma in irradiation-induced gland damage: a case study. Int Med Case Rep J. 2017 Aug 16;10:295-299. doi: 10.2147/IMCRJ.S142514. eCollection 2017. PMID: 28860871; PMCID: PMC5566327.
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Int Med Case Rep J. 2017 Aug 16;10:295-299. doi: 10.2147/IMCRJ.S142514. eCollection 2017.

First-in-man intraglandular implantation of stromal vascular fraction and adipose-derived stem cells plus platelet-rich plasma in irradiation-induced gland damage: a case study.

International medical case reports journal

Kristin Comella, Walter Bell

Affiliations

  1. US Stem Cell, Inc, Sunrise, FL, USA.
  2. South African Stem Cell Institute, Parys, South Africa.

PMID: 28860871 PMCID: PMC5566327 DOI: 10.2147/IMCRJ.S142514

Abstract

BACKGROUND: Stromal vascular fraction (SVF) is a mixture of cells which can be isolated from a mini-lipoaspirate of fat tissue. Platelet-rich plasma (PRP) is a mixture of growth factors and other nutrients which can be obtained from peripheral blood. Adipose-derived stem/stromal cells (ADSCs) can be isolated from fat tissue and expanded in culture. The SVF includes a variety of different cells such as ADSCs, pericytes, endothelial/progenitor cells, and a mix of different growth factors. The adipocytes (fat cells) can be removed via centrifugation. Here, we describe the rationale and, to our knowledge, the first clinical implementation of SVF and PRP followed by repeat dosing of culture-expanded ADSCs into a patient with severe xerostomia postirradiation.

METHODS: Approximately 120 mLs of adipose tissue was removed via mini-lipoaspirate procedure under local anesthetic. The SVF was prepared from half of the fat and resuspended in PRP. The mixture was delivered via ultrasound directly into the submandibular and parotid glands on both the right and left sides. The remaining 60 mLs of fat was processed to culture-expand ADSCs. The patient received seven follow-up injections of the ADSCs plus PRP at 5, 8, 16, 18, 23, 28, and 31 months postliposuction. The subject was monitored over a period of 31 months for safety (adverse events), glandular size via ultrasound and saliva production.

RESULTS: Throughout the 31-month monitoring period, no safety events such as infection or severe adverse events were reported. The patient demonstrated an increase in gland size as measured by ultrasound which corresponded to increased saliva production.

CONCLUSION: Overall, the patient reported improved quality of life and willingness to continue treatments. The strong safety profile and preliminary efficacy results warrant larger studies to determine if this is a feasible treatment plan for patients postradiation.

Keywords: ADSCs; MSCs; PRP; SVF; adipose tissue; cell therapy; stem cells; xerostomia

Conflict of interest statement

Disclosure KC is an officer of US Stem Cell, Inc. US Stem Cell is a publicly traded company providing physician-based stem cell therapies to human and animal patients as well as a developer of autolog

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