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Transfus Apher Sci. 2018 Aug;57(4):573-577. doi: 10.1016/j.transci.2018.07.021. Epub 2018 Aug 8.

Autologous conditioned serum (ACS) for intra-articular treatment in Osteoarthritis: Retrospective report of 28 cases.

Author information

1
Immunohematology and Transfusion Medicine, IRRCS Ospedale San Raffaele, Milan, Italy. Electronic address: tassara.michela@hsr.it.
2
IRCCS Galeazzi Orthopedic Institute, Milan, Italy.
3
Immunohematology and Transfusion Medicine, IRRCS Ospedale San Raffaele, Milan, Italy.

Abstract

INTRODUCTION:

Autologous conditioned serum (ACS) is a novel blood product developed for intra-articular injection as a novel therapy for Osteoarthritis (OA). This study is a retrospective evaluation of 28 cases (25 Knee-OA and 3 hip-OA) treated with ACS between November 2013 and February 2016.

MATERIALS AND METHODS:

ACS was prepared according to standards in an accredited Cell Manipulation Lab, and applied by an expert clinician (2 ml injection once weekly over 4 weeks). At any injection visit (Timepoints 1-4), and after a follow-up of 1 (Timepoint 5) and 6 months (Timepoint 6), patients were asked to describe the intensity of their pain with the VAS (visual analog scale) psychometric scale, and the objective parameter ROM (Range Of Motion) was recorded in case of injection in the knee.

RESULTS:

Pain (VAS) reduced in all cases since the first injection up to Timepoint 5. A significant improvement was observed in VAS between Timepoint 1 and 6 (primary objective), with a median VAS decrease of 60 mm (range 20-100, p < 0.01). A significant difference was also recorded in ROM between Timepoint 1 and 6 (secondary objective), with a median increase of 25° (range 5-40, p < 0.01). Ten out of 14 patients (71%) who were undergoing a chronic therapy to relieve pain were able to interrupt it. No serious adverse events were recorded.

CONCLUSIONS:

Treatment with ACS produced a rapid decline in pain, accompanied by a large improvement in ROM. These results suggest that ACS is a valid option for the treatment of OA.

KEYWORDS:

Autologous conditioned serum; Intra-articular injection; Osteoarthritis

PMID:
30131208
DOI:
10.1016/j.transci.2018.07.021
[Indexed for MEDLINE]

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