Early clinical signals for Placental Mesenchymal Stem Cell Hydrogel in Radiation-induced Skin Injury
Year: 2025
Type: article
Abstract: Background: Radiation-induced skin injury (RSI) affects 85-90\% of radiotherapy patients, with limited effective treatment options available. A recent Phase II randomized controlled trial investigated the efficacy of placental mesenchymal stem cell (PMSC)-embedded alginate hydrogel for treating moderate-to-severe RSI. Methods: This commentary analyzes the double-blinded, placebo-controlled trial by Tian et al. (N= 66), which evaluated once-daily PMSC hydrogel application (1× viable PMSCs) for six days in patients with grade II or higher RSI. Primary endpoints included overall recovery rate, wound regression, and dermatitis severity scores. Results: The PMSC hydrogel group demonstrated statistically significant improvement in healing rates (p ˂ 0.001), with 64% relative risk reduction in wound progression compared to placebo. Radiation-Induced Skin Reaction Assessment Scale scores and pain relief showed significant benefits by Day 6. TGF-β1 biomarker elevation suggested native tissue repair mechanisms. No serious adverse events were reported during the study period. Key constraints include a single-center design, a small sample size, a 15-day follow-up duration, the absence of quality-of-life improvements on the EORTC QLQ-C30, and the lack of reported cancer types or radiation regimen details, limiting generalizability. Conclusion: The trial presents encouraging preliminary evidence supporting PMSC hydrogel’s potential in accelerating the RSI healing process. However, definitive conclusions regarding practice-change efficacy require confirmation through larger, multicenter Phase III trials with extended follow-up (3-6 months), comprehensive patient-centered outcomes, cost-effectiveness analysis, and through assessment of late effects, including fibrosis.
Source: ASIDE Oncology
Institutions: Luxor University, Shahida Islam Medical and Dental
Language: English
Topic: Wound Healing and Treatments
Subfield: Surgery
Field: Medicine
Domain: Health Sciences
Open Access status: hybrid
OpenAlex ID: W7117237147