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Evidence Explorer / MS-N202 / Supportive physical care / Appraised November 1, 2026

A systematic review of three randomized trials suggests Mepitel Film can reduce severe skin reactions compared with some creams, but the comparison was not consistently favorable against topical mometasone. The evidence is comparator-dependent.

Evidence at a glance

  • Population: people receiving head-and-neck radiotherapy.
  • Evidence: systematic review of three randomized trials published from 2018–2020.
  • Per-protocol pooled result: grade 2–3 dermatitis odds ratio 0.24 (95% CI 0.09–0.65) in two trials.
  • Moist desquamation: odds ratio 0.21 (95% CI 0.10–0.46) in two trials.
  • Evidence label: promising but heterogeneous review-level evidence.

What was studied

The review reported lower dermatitis severity compared with Sorbolene or Biafine in some trials, but not a clear advantage over mometasone. That distinction matters: an intervention can look helpful against one comparator and similar to another.

Head-and-neck contours make barrier-film application technically demanding. Itch and poor adherence were recurring practical problems.

What this evidence cannot establish

The pooled estimates cited above were per-protocol and therefore exclude some people who did not complete treatment as planned. That can exaggerate benefit when adherence is related to tolerability or outcome.

The component trials should not be counted as additional independent evidence beyond this review when describing the same participants. Individual full-text extraction was not completed for all three reports in this run.

Practical safety context

Film near the face, neck, tracheostomy, surgical wounds or mucosal surfaces requires radiation-team oversight. Poor adhesion, trapped moisture, itch or skin trauma during removal may matter.

Barrier film does not replace assessment for infection, severe pain, bleeding, dehydration or treatment interruption.

Questions for the care team

  • What comparator and application protocol does your service use?
  • Can the film be applied safely around my mask, airway devices or skin folds?
  • How will adherence and skin reactions be monitored?

Sources

Source note: The systematic-review abstract and PubMed metadata were checked. Because component reports were not all fully extracted, product schedules and individual-trial denominators are not reported here. Funding and conflict information is reported only where it was available in the checked source. No correction, retraction or expression of concern was identified in the PubMed-linked record on November 1, 2026.

This record is educational. It is not a personal treatment recommendation and does not replace advice from the oncology or radiation-care team. Symptom or toxicity outcomes do not demonstrate tumor response, recurrence prevention or longer survival.