Pain medicine

Intraarterial Dexamethasone for Pain Relief After Uterine Fibroid Embolization: A Randomized Clinical Trial

JAMA Netw OpenPublished Randomised controlled trial

Primary result · Mean pain score over 168 hours (VAS)Result — go to the resultMean difference −1.64 95% CI −3.10 to −0.19

Authors' conclusion

In this randomized clinical trial of 40 women undergoing UFE, intraarterial dexamethasone was associated with clinically meaningful reductions in postprocedural pain through 96 hours compared with placebo, without compromising treatment efficacy or increasing adverse events

Study context

Population
Women aged 20 to 50 years undergoing uterine fibroid embolization (UFE), single tertiary academic centre40 analysed
Participants
42 women
Comparison
Intraarterial dexamethasone vs saline placebo during embolization
  • Dexamethasonen = 21
  • Placebon = 21reference
Primary endpoint
Postprocedural pain (VAS)
Follow-up
Through 168 hours
Methodological detailsdouble-blind, placebo-controlled, single-centre, Conducted July 2020 to December 2023, follow-up through 3 months
  • Double-blind
  • Placebo-controlled
  • Single-centre
  • Conducted July 2020 to December 2023, follow-up through 3 months

Primary result

Mean pain score over 168 hours (VAS) · 168 hours

Mean difference

−1.64

95% CI −3.10 to −0.19

P = 0.02

By group

Dexamethasone

2.63

mean · SE 2.28 · visual analog scale units

Placebo

4.28

mean · SE 2.27 · visual analog scale units

Dexamethasone vs Placebo
mean difference −1.64 (95% CI −3.10 to −0.19); P = 0.02

As reported in the abstract

Secondary outcomes

Mean

OutcomeDexamethasonePlaceboMean difference (95% CI)P value
Pain score immediately after the procedure4.0 (SD 3.3)6.1 (SD 3.1)−2.1 (−4.14 to −0.06)P = 0.04
Pain score through 96 hours2.4 (SD 2.4)4.5 (SD 3.2)−2.1 (−3.90 to −0.30)P = 0.02

Mean

OutcomeDexamethasonePlaceboP value
Uterine volume reduction on MRI (paired MRI follow-up) · baseline to 3 months37.4% (SD 17.7%)29.6% (SD 20.2%)P = 0.30
Dominant fibroid volume reduction on MRI (paired MRI follow-up) · baseline to 3 months34.4% (SD 22.8%)38.6% (SD 16.7%)P = 0.60

Safety

Events

OutcomeDexamethasonePlacebo
Major complications00

Original publication

Intraarterial Dexamethasone for Pain Relief After Uterine Fibroid Embolization: A Randomized Clinical Trial. JAMA Netw Open. Published 1 July 2026. doi:10.1001/jamanetworkopen.2026.25004

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