Review Article
Effect of Platelet-Rich Plasma on Intervertebral Disc Degeneration In Vivo and In Vitro: A Critical Review
Table 3
Clinical studies of PRP for IDD.
(a) |
| Year | Study | Study design | Number of patients | Type of PRP | Activation |
| 2011 | Koji et al. [42] | Prospective preliminary trial | 6 | P-PRP releasate | CaCl2+autoserum | 2014 | Bodor et al. [44] | Case series | 35 | P-PRP | None | 2016 | Navani and Hames [45] | Case series | 6 | L-PRP | None | 2016 | Levi et al. [46] | Prospective trial | 22 | L-PRP | None | 2016 | Tuakli-wosornu et al. [47] | Double-blind randomized | 36 treatments and 22 controls | L-PRP | None | 2017 | Akeda et al. [43] | Prospective trial | 14 | P-PRP | CaCl2+autoserum | 2018 | Lutz [48] | Single case report | 1 | L-PRP | None |
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(b) |
| Volume of whole blood | Volume of PRP injected | Number of injections during the study period | Study period | Pain scores evaluated in the study |
| 200 ml | 2 ml | Single | 6 m | VAS RDQ | 9 ml | 2 ml | Single | 2-10 m | NRS ODI | 60 ml | 1.5-3 ml | Single | 24 w | VPS | 30 or 60 ml | 1.5 ml | Single, at one or multiple levels | 6 m | VAS ODI | 30 ml | 1-2 ml | Single, at one or multiple levels | 8 w | FRi, NRS, SF-36, and modified NASS | 200 ml | 2 ml | Single | 10 m | VAS RDQ | Not mentioned | 1.5 ml | Single | 12 m | Improvement T2 nuclear signal intensity↑ |
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Abbreviations: ACT: activation; BDI: Beck Depression Inventory; DPQ: Dallas Pain Questionnaire; FRI: functional rating index; L-PRP: leukocyte- and platelet-rich plasma; m: months; NRS: numerical rating scale; ODI: Oswestry Disability Index; P-PRP: leukocyte-poor PRP; PRP: platelet-rich plasma; RDQ: Roland-Morris Disability Questionnaire; SF: short form; SF-MPQ: short-form McGill Pain Questionnaire; vPS: verbal pain scale; w: weeks; VAS: visual analog scale; NASS: North American Spine Society.
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