Non-Cochrane · intervention · PM41857438

Treatment of Xerostomia with Mesenchymal Stem Cells - A Systematic Review and Meta-Analysis of Clinical Trials.

Hansen Joachim, Carlander Amanda-Louise Fenger, Jakobsen Kathrine Kronberg, et al. · Stem cell reviews and reports · 2026 · PubMed · doi:10.1007/s12015-026-11105-9

Findings

9 findings

Population
Patients with xerostomia or salivary hypofunction after head and neck radiotherapy or due to Sjogren's diseaseMesenchymal stem cell (MSC) injection into the salivary glandsPlacebo (saline, saline with albumin, or DMSO)Unstimulated whole salivary flow rate (UWS)
Long term (6 months to 2 years; latest time point, 12 months)
MD 0.01 [-0.02, 0.05]
GRADE not reported
2 studies · 150 participants
Patients with xerostomia or salivary hypofunction after head and neck radiotherapy or due to Sjogren's diseaseMesenchymal stem cell (MSC) injection into the salivary glandsPlacebo (saline, saline with albumin, or DMSO)Treatment-related adverse events (excluding pain during injection)
Up to 12 months
RR 1.68 [1.4, 2.1]
12 %
GRADE not reported
5 studies · 230 participants
Adults with xerostomia due to Sjogren's disease or head and neck radiotherapyMesenchymal stem cell (adipose-derived or bone marrow) injection into salivary glandsPlacebo (saline, saline with albumin, or DMSO)Treatment-related serious adverse events
Follow-up 1 to 12 months · Intraglandular ultrasound-guided injection
Absolute risk 0
GRADE not reported
5 studies · 230 participants
Patients with xerostomia or salivary hypofunction after head and neck radiotherapy or due to Sjogren's diseaseMesenchymal stem cell (MSC) injection into the salivary glandsPlacebo (saline, saline with albumin, or DMSO)Stimulated whole salivary flow rate (SWS)
Long term (6 months to 2 years; latest time point, 12 months)
MD -0.04 [-0.17, 0.10]
GRADE not reported
2 studies · 150 participants
Patients with xerostomia or salivary hypofunction after head and neck radiotherapy or due to Sjogren's diseaseMesenchymal stem cell (MSC) injection into the salivary glandsPlacebo (saline, saline with albumin, or DMSO)Stimulated whole salivary flow rate (SWS)
Short term (up to 6 months)
MD 0.05 [-0.32, 0.42]
GRADE not reported
3 studies · 214 participants
Patients with xerostomia or salivary hypofunction after head and neck radiotherapy or due to Sjogren's diseaseMesenchymal stem cell (MSC) injection into the salivary glandsPlacebo (saline, saline with albumin, or DMSO)Unstimulated whole salivary flow rate (UWS)
Short term (up to 6 months; time point closest to 4 months)
MD 0.06 [-0.05, 0.17]
GRADE not reported
3 studies · 214 participants
Adults with xerostomia due to Sjogren's disease or head and neck radiotherapyMesenchymal stem cell (adipose-derived or bone marrow) injection into salivary glandsPlacebo (saline, saline with albumin, or DMSO)Treatment-related adverse events
Follow-up 1 to 12 months · Intraglandular ultrasound-guided injection
RD 12
12 %
GRADE not reported
5 studies · 230 participants
Patients with radiation-induced xerostomiaMesenchymal stem cell (MSC) injection into the salivary glandsPlacebo (saline, saline with albumin, or DMSO)Unstimulated whole salivary flow rate (UWS)
Short term (up to 6 months; about 4 months) · Radiation-induced xerostomia (Sjogren's disease trial excluded)
MD 0.03 [0.01, 0.05]
GRADE not reported
2 studies · 150 participants
Adults with xerostomia due to Sjogren's disease or head and neck radiotherapyAdipose-derived MSC (ASC)Bone marrow derived MSC (BM-MSC)Whole comparison (planned network meta-analysis of ASC vs BM-MSC)
Intraglandular ultrasound-guided injection
no estimate extracted
No studies found
0 studies

Included primary studies 8

Open in Studies
StudyYearAlso included byOutcomes it informs hereTrial data
Blitzer 2023 (MARSH)
Marrow-Derived Autologous Stromal Cells for the Restoration of Salivary Hypofunction (MARSH): A pilot, first-in-human study of interferon…
PMID:37589639
2023this review onlynot statednot extracted yet
Carlander 2025 (MESRIX-III 12-month follow-up)
Long-term Effectiveness and Safety of Mesenchymal Stromal Cell Therapy for Radiation-Induced Hyposalivation in Head and Neck Cancer…
PMID:39751638
2025this review onlyUnstimulated whole salivary flow rate (UWS)not extracted yet
Grønhøj 2018 (MESRIX)
Safety and Efficacy of Mesenchymal Stem Cells for Radiation-Induced Xerostomia: A Randomized, Placebo-Controlled Phase 1/2 Trial (MESRIX).
PMID:29678523
2018this review onlyUnstimulated whole salivary flow rate (UWS)not extracted yet
Jakobsen 2024 (MESRIX-II 12-month follow-up)
Long-Term Outcome Following Treatment With Allogeneic Mesenchymal Stem/Stromal Cells for Radiation-Induced Hyposalivation and Xerostomia.
PMID:38578768
2024this review onlynot statednot extracted yet
Jakobsen 2024 (MESRIX-III)
Mesenchymal Stem/Stromal Cell Therapy for Radiation-Induced Xerostomia in Previous Head and Neck Cancer Patients: A Phase II Randomized,…
PMID:38441659
2024this review onlyUnstimulated whole salivary flow rate (UWS)not extracted yet
Li 2023
Effect of adipose tissue-derived stem cells therapy on clinical response in patients with primary Sjogren's syndrome.
PMID:37598237
2023this review onlyUnstimulated whole salivary flow rate (UWS)not extracted yet
Lynggaard 2022 (MESRIX 12-month follow-up)
Long-term Safety of Treatment with Autologous Mesenchymal Stem Cells in Patients with Radiation-Induced Xerostomia: Primary Results of the…
PMID:35486613
2022this review onlyUnstimulated whole salivary flow rate (UWS)not extracted yet
Lynggaard 2022 (MESRIX-II)
Intraglandular Off-the-Shelf Allogeneic Mesenchymal Stem Cell Treatment in Patients with Radiation-Induced Xerostomia: A Safety Study…
PMID:35435231
2022this review onlynot statednot extracted yet

Review question

ElementPlanned (methods)Found (results)
PopulationHumans with xerostomia due to Sjogren's disease or after head and neck radiotherapyRadiation-induced xerostomia (4 trials) and Sjogren's disease (1 trial); 230 participants (126 MSC, 104 placebo)
InterventionMSC treatment irrespective of administration route (original protocol: adipose-derived vs bone marrow derived MSC)Allogeneic or autologous ASC (4 trials) and autologous BM-MSC (1 trial); ultrasound-guided intraglandular injection
ComparisonPlaceboSaline, saline with albumin or DMSO placebo (3 RCTs); no control group (2 trials)
OutcomesPrimary: unstimulated whole salivary flow rate; secondary: stimulated flow rate, PROMs, administration method, number of MSCs, drug-specific antibodies, adverse eventsUWS and SWS (short and long term), PROMs (not pooled), adverse events, drug-specific antibodies, MSC number
Study designsClinical trials; RCTs pooled in meta-analysis3 RCTs and 2 non-randomized clinical trials (8 reports); 3 RCTs pooled
TimingShort-term up to 6 months; long-term 6 months to 2 yearsFollow-up 1 to 12 months

AMSTAR 2 items

Two independent extractors rated each item. Their ratings are shown side by side because they have not been reconciled yet. The overall rating follows Shea et al. 2017: one critical flaw gives Low, more than one gives Critically Low.

ItemExtractor AExtractor BAgree
1Research question includes PICO componentsYesYesyes
2Protocol established before the reviewcriticalYesYesyes
3Choice of study designs explainedNoNoyes
4Comprehensive literature searchcriticalPartial YesPartial Yesyes
5Study selection in duplicateNoNoyes
6Data extraction in duplicateYesYesyes
7List of excluded studies with reasonscriticalNoNoyes
8Included studies described in detailPartial YesPartial Yesyes
9Risk of bias assessed satisfactorilycriticalRCT: Yes · NRSI: YesNRSI: Yes · RCT: Yesno
10Funding of included studies reportedNoNoyes
11Appropriate meta-analysis methodscriticalRCT: Yes · NRSI: N/ANRSI: N/A · RCT: Yesno
12Impact of risk of bias on the pooled resultsYesNono
13Risk of bias accounted for in interpretationcriticalYesYesyes
14Heterogeneity explainedYesYesyes
15Publication bias investigatedcriticalYesYesyes
16Conflicts of interest reportedYesYesyes
OverallLowLowyes