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Article

Personalized Immunotherapy in Osteoarthritis: A Clinical Trial of Autologous Dendritic Cell Immunotherapy in Knee Osteo-Arthritis

by
Kurniawan Silalahi
1,2,
Bhimo Aji Hernowo
1,3,4,
Jonny Jonny
1,3,5,6,
Lintang Sagoro
3,4,
Chrismis Novalinda Ginting
1 and
Terawan Agus Putranto
1,3,4,7,*
1
Faculty of Medicine, Dentistry, and Health Sciences, Universitas Prima Indonesia, Medan 20118, Indonesia
2
Department of Orthopaedic and Traumatology, Slamet Riyadi Army Hospital, Surakarta 57148, Indonesia
3
Faculty of Medicine, Universitas Pembangunan Nasional “Veteran” Jakarta, Jakarta 12450, Indonesia
4
Indonesia Army Cellcure Center, Gatot Soebroto Central Army Hospital, Jakarta 10410, Indonesia
5
Faculty of Military Medicine, Indonesia Defense University, Bogor 16810, Indonesia
6
Nephrology Division, Department of Internal Medicine, Gatot Soebroto Central Army Hospital, Jakarta 10410, Indonesia
7
Department of Radiology, Gatot Soebroto Army Central Hospital, Jakarta 10410, Indonesia
*
Author to whom correspondence should be addressed.
Curr. Issues Mol. Biol. 2026, 48(3), 330; https://doi.org/10.3390/cimb48030330
Submission received: 8 February 2026 / Revised: 17 March 2026 / Accepted: 18 March 2026 / Published: 20 March 2026

Abstract

Background/Objectives: Osteoarthritis (OA) is a chronic inflammatory disease with limited disease-modifying therapies. This study explored a novel immunomodulatory approach using autologous, antigen-pulsed semi-mature dendritic cells (DCs) to modulate the inflammatory milieu in knee OA patients. Methods: In this open-label, quasi-experimental study, 29 subjects received a single subcutaneous injection of autologous DCs. Outcomes assessed at baseline and 4 weeks included the WOMAC index for symptoms and serum levels of IL-6 and TNF-α. Responses were analyzed in the overall cohort and by BMI subgroups. Results: The overall cohort showed a non-significant trend in WOMAC improvement (p = 0.080) and no change in IL-6 (p = 0.785) or TNF-α (p = 0.330). Subgroup analysis revealed differential patterns of response: WOMAC scores improved significantly only in normal-weight patients (p = 0.030), while serum TNF-α decreased significantly only in overweight patients (p = 0.025). IL-6 levels were unchanged across all groups. Conclusions: Autologous antigen-pulsed DC administration was associated with differential responses across BMI subgroups. Symptomatic benefit was observed in normal-weight individuals, while a reduction in systemic TNF-α occurred in overweight patients. These findings suggest that the host metabolic state may modulate the response to DC-based immunotherapy, and therefore warrant validation in a randomized, placebo-controlled trial.
Keywords: dendritic cell; osteoarthritis; knee; immunomodulation dendritic cell; osteoarthritis; knee; immunomodulation

Share and Cite

MDPI and ACS Style

Silalahi, K.; Hernowo, B.A.; Jonny, J.; Sagoro, L.; Ginting, C.N.; Putranto, T.A. Personalized Immunotherapy in Osteoarthritis: A Clinical Trial of Autologous Dendritic Cell Immunotherapy in Knee Osteo-Arthritis. Curr. Issues Mol. Biol. 2026, 48, 330. https://doi.org/10.3390/cimb48030330

AMA Style

Silalahi K, Hernowo BA, Jonny J, Sagoro L, Ginting CN, Putranto TA. Personalized Immunotherapy in Osteoarthritis: A Clinical Trial of Autologous Dendritic Cell Immunotherapy in Knee Osteo-Arthritis. Current Issues in Molecular Biology. 2026; 48(3):330. https://doi.org/10.3390/cimb48030330

Chicago/Turabian Style

Silalahi, Kurniawan, Bhimo Aji Hernowo, Jonny Jonny, Lintang Sagoro, Chrismis Novalinda Ginting, and Terawan Agus Putranto. 2026. "Personalized Immunotherapy in Osteoarthritis: A Clinical Trial of Autologous Dendritic Cell Immunotherapy in Knee Osteo-Arthritis" Current Issues in Molecular Biology 48, no. 3: 330. https://doi.org/10.3390/cimb48030330

APA Style

Silalahi, K., Hernowo, B. A., Jonny, J., Sagoro, L., Ginting, C. N., & Putranto, T. A. (2026). Personalized Immunotherapy in Osteoarthritis: A Clinical Trial of Autologous Dendritic Cell Immunotherapy in Knee Osteo-Arthritis. Current Issues in Molecular Biology, 48(3), 330. https://doi.org/10.3390/cimb48030330

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