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Phase II multicenter randomized controlled clinical trial on the efficacy of intra-articular injection of autologous bone marrow mesenchymal stem cells with platelet rich plasma for the treatment of knee osteoarthritis
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Abstract
Abstract Background Mesenchymal stromal cells are a safe and promising option to treat knee osteoarthritis as previously demonstrated in different clinical trials. However, their efficacy, optimal dose and addition of adjuvants must be determined. Here, we evaluated the clinical effects of a dose of 100x10 6 bone marrow mesenchymal stromal cells (BM-MSCs) in combination with Platelet Rich Plasma (PRGF ® ) as adjuvant in a randomized clinical trial. Methods A phase II, multicenter, randomized clinical trial with active control was conducted. Sixty patients diagnosed with knee OA were randomly assigned to 3 weekly doses of PRGF ® or intraarticular administration of 100x10 6 cultured autologous BM-MSCs plus PRGF ® . Patients were followed up for 12 months, and pain and function were assessed using VAS and WOMAC and by measuring the knee range of motion range. X-ray and magnetic resonance imaging analyses were performed to analyze joint damage. Results No adverse effects were reported after BM-MSC administration or during follow-up. According to VAS, the mean value (SD) for PRGF ® and BM-MSC with PRGF ® went from 5 (1.8) to 4.5 (2.2) (p=0.389) and from 5.3 (1.9) to 3.5 (2.5) (p=0.01), respectively at 12 months.. In WOMAC, the mean (SD) baseline and 12-month overall WOMAC scores in patients treated with PRGF ® was 31.9 (16.2) and 22.3 (15.8) respectively (p=0.002) while that for patients treated with BM-MSC plus PRGF ® was 33.4 (18.7) and 23.0 (16.6) (p=0.053). Although between groups statistically significances have been not detected, only patients being treated with BM-MSC plus PRGF ® could be considered as a OA treatment responders following OARSI criteria. X-ray and MRI (WORMS protocol) revealed no changes in knee joint space width or joint damage. Conclusions Treatment with BM-MSC associated with PRGF ® was shown to be a viable therapeutic option for osteoarthritis of the knee, with clinical improvement at the end of follow-up. Further phase III clinical trials would be necessary to confirm the efficacy.
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“LamoEspinosa et al . reported greater pain reduction with Bone Marrow-derived Mesenchymal Stem Cells (BMMSC) + PRGF ® compared to PRGF ® alone (-1.8vs. -0.5 points on the VAS, P = 0.01). [19]”
From Management of platelet-rich plasma and stem cells versus conventional treatments in musculoskeletal injury repair: A systematic review (2025) · cites this paper as [19]
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“Lamo-Espinosa et al., 2020 [19] | 60 with KL ≥2 OA, VAS ≥2.5, failed HA | BM-MSC+PRGF | PRGF | VAS: BM-MSC Δ-1.8; WOMAC: pain Δ-45.5%, stiffness Δ-50%.”
From Management of platelet-rich plasma and stem cells versus conventional treatments in musculoskeletal injury repair: A systematic review (2025) · cites this paper as [19]
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“Lamo-Espinosa et al., 2020 [19] | 60 with KL ≥2 OA, VAS ≥2.5, failed HA | BM-MSC+PRGF | PRGF | VAS: BM-MSC Δ-1.8; WOMAC: pain Δ-45.5%, stiffness Δ-50%.”
From Management of platelet-rich plasma and stem cells versus conventional treatments in musculoskeletal injury repair: A systematic review (2025) · cites this paper as [19]
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“Lamo-Espinosa et al., 2020 [19] | 60 with KL ≥2 OA, VAS ≥2.5, failed HA | BM-MSC+PRGF | PRGF | VAS: BM-MSC Δ-1.8; WOMAC: pain Δ-45.5%, stiffness Δ-50%.”
From Management of platelet-rich plasma and stem cells versus conventional treatments in musculoskeletal injury repair: A systematic review (2025) · cites this paper as [19]
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Cited by
Sorted by citations
Ballesta, F. J. G., Vásquez, L. N. A., Borbón, J. R., Leal, J. A. C., Agudelo, D. S. J., & Granados, J. P. A. (2025) · Journal of Musculoskeletal Surgery and Research · doi:10.25259/jmsr_402_2025
Metadata
- Authors
- Lamo-Espinosa, J. M., Blanco, J. F., Sánchez, M., Moreno, V., Granero-Moltó, F., Sánchez-Guijo, F., Crespo-Cullel, Í., Mora, G., San Vicente, D. D., Pompei-Fernández, O., Aquerreta, J. D., Núñez-Córdoba, J. M., Vitoria Sola, M., Valentí-Azcárate, A., Andreu, E. J., del Consuelo del Cañizo, M., Valentí-Nin, J. R., & Prósper, F.
- Affiliations
- Clinica Universidad de Navarra (ES)
- Instituto de Investigación Biomédica de Salamanca (ES)
- Corresponding author
- Lamo-Espinosa, José María
- Prósper, Felipe
- ORCID
- Venue
- Journal of Translational Medicine
- Published
- 2020-09-18
- Volume
- 18
- Issue
- 1
- Pages
- 356-356
- ISSN
- 1479-5876 (ISSN-L)
- PMC
- PMC7501623
- OpenAlex
- W3087236206
- Cited by
- 118
- References
- 1
- Citations by year
- 2026: 11 · 2025: 24 · 2024: 27 · 2023: 19 · 2022: 24 · 2021: 12 · 2020: 1
- FWCI
- 10.55
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Journal of Translational Medicine (publishedVersion, cc-by)
- Research Square (acceptedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Hispana (submittedVersion)
- Funders
- Instituto de Salud Carlos III (RD16/0011, RD16/0011/0015, PI17/00136, RD16/0011/0005)
- Topics
- Health Sciences › Medicine › Rheumatology › Osteoarthritis Treatment and Mechanisms
- Health Sciences › Dentistry › Periodontics › Periodontal Regeneration and Treatments
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Mesenchymal stem cell research
- Keywords
- knee osteoarthritis, bone marrow mesenchymal stromal cells, intra-articular injection, autologous cell therapy, combination therapy, pain and function outcomes, knee range of motion, joint space narrowing, cartilage damage, treatment responders, safety and tolerability, WOMAC, VAS pain score, worms
- MeSH terms
- Humans, Injections, Intra-Articular, Treatment Outcome, Osteoarthritis, Knee, Mesenchymal Stem Cell Transplantation, Platelet-Rich Plasma, Mesenchymal Stem Cells
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