is platelet gel safe enough for neutropenic patients

Risultato della ricerca: Contributo in rivistaArticolo in rivista

1 Citazioni (Scopus)

Abstract

Significant clinical advances have recently been made in the field of regenerative medicine, involving the development of haemocomponents for non-transfusional use. These products include: i) platelet-rich plasma (PRP), ii) platelet-poor plasma (PPP), iii) platelet gel (PG), iv) platelet-rich fibrin (PRF), v) serum eye drops (E-S) and vi) PRP eye drops (E- PRP) [1,2]. All of these products are rich in growth factors (VEGF, PDGF, TGF-β1 and other) and facilitate tissue regeneration in vivo by potentiating the activity of resident mesenchymal stromal cells [3]. PG has become very popular for the treatment of skin ulcers, radiodermitis and other conditions [[4], [5], [6]]. Interestingly, Rebulla P et al have demonstrated that PG can be obtained from cord blood. The use of this substance has been proven to be very efficacious for tissue regeneration [7]. In accordance with these findings, our group recently described a case of life-threatening oral mucositis (OM) following high-dose conditioning chemotherapy for peripheral blood stem cell transplantation (PBSCT), which was successfully treated with cord blood platelet gel (CBPG) [8]. Furthermore, Bonfili P and colleagues showed a statistically significant improvement of OM with PG in patients treated with chemo- and radio-therapy (RT) [9]. Chemotherapy consisted of 2 to 3 cycles of cisplatin (100 mg/m2) on days 1, 22 and 43 or weekly intravenous cisplatin (40 mg/m2). RT was given according to a 3D-model, ranging from 50 to 54 Gy in 25–27 fractions, up to 70 Gy to 35 fractions. These patients had some degree of neutropenia and OM at the time when PG was administered. Neutropenia was defined as an absolute neutrophil count (ANC) <1.5 cells x 109/L, while severe neutropenia as an ANC < 0.5 cells x 109/L or an ANC that is expected to decrease <0.5 cells x 109/L over the next 48 h [10]. Independently from the degree of neutropenia, Bonfili P et al did not report any infective complications in their study group. Thus, it is very unlikely that PG serves as a pabulum for bacterial growth. Moreover, after local oral treatment of OM, most of the PG would be either spitted out or swallowed by patients.
Lingua originaleEnglish
pagine (da-a)190-191
Numero di pagine2
RivistaTransfusion and Apheresis Science
Stato di pubblicazionePubblicato - 2019

Keywords

  • is platelet gel safe enough for neutropenic patients

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