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Stromal vascular fraction with platelet‐rich plasma injection during surgery is feasible and safe in treatment‐refractory perianal fistulising Crohn's disease: A pilot study
Summary Background An unmet need remains for improved management in perianal fistulising Crohn's disease (pCD). Recently, local administration of adipose‐derived cells has shown promising results. Aims To assess the safety and feasibility of injection of stromal vascular fraction (SVF) with pla...
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Published in: | Alimentary pharmacology & therapeutics 2023-04, Vol.57 (7), p.783-791 |
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Main Authors: | , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Background
An unmet need remains for improved management in perianal fistulising Crohn's disease (pCD). Recently, local administration of adipose‐derived cells has shown promising results.
Aims
To assess the safety and feasibility of injection of stromal vascular fraction (SVF) with platelet‐rich plasma (PRP) in patients with pCD.
Methods
Patients ≥ 18 years with pCD were included and underwent fistula curettage, SVF with PRP injection, and closure of the internal opening. The primary endpoint was safety at 12 months. The secondary outcomes were complete radiological healing at 3 months (absence of fluid‐containing tracts on MRI) and partial and complete clinical response at 3 and 12 months (closure of ≥1, respectively, all treated external opening(s)).
Results
Twenty‐five patients were included (35 [IQR 25–40] years; 14 [56%] female); median CD duration 4 [IQR 2–8] years. Twenty‐four (95%) patients had previously undergone fistula surgery. No adverse events were encountered at lipoharvesting sites. Two (8%) patients were readmitted to hospital and six (24%) underwent unplanned re‐interventions. Post‐operative MRI (n = 24) showed complete radiological healing in nine (37.5%) patients. Partial clinical response was present in 48% (12/25) at 3 months and in 68% (17/25) at 12 months, and complete clinical closure in five (20%) patients at 3 months and in 10 (40%) patients at 12 months.
Conclusion
Injection with autologous SVF with PRP is feasible and safe in patients with treatment‐refractory pCD. Early complete radiological healing was observed in more than one‐third of patients, and clinical response in two‐thirds of patients at 12 months.
Stromal vascular fraction with platelet‐rich plasma injection during surgery is feasible and safe in treatment‐refractory perianal fistulising Crohn's disease. |
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ISSN: | 0269-2813 1365-2036 |
DOI: | 10.1111/apt.17347 |