ArticleMedical devices (Auckland, N.Z.)2020
Evaluation of Human Esophageal Epithelium Permeability in Presence of Different Formulations Containing Hyaluronic Acid and Chondroitin Sulphate.
Article in Medical devices (Auckland, N.Z.), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- Effective Restoration of Gastric and Esophageal Tissues in an In Vitro Model of GERD: Mucoadhesive and Protective Properties of Xyloglucan, Pea Proteins, and Polyacrylic Acid.International journal of molecular sciences · 2025Article
- Hyaluronic acid and chondroitin sulfate-based medical devices: formulations, esophageal mucosal protection, and their place in the management of GERD.Therapeutic advances in gastroenterology · 2025Review
- Demonstrating the principal mechanism of action of medical devices intended for vaginal use on reconstructed human vaginal epithelium: the case of two hyaluronic acid-containing devices.Frontiers in drug safety and regulation · 2024Article
- Safety and efficacy of substance-based medical devices: Design of anFrontiers in drug safety and regulation · 2023Article
- The Effect of Hyaluronic Acid and Chondroitin Sulphate-Based Medical Device Combined with Acid Suppression in the Treatment of Atypical Symptoms in Gastroesophageal Reflux Disease.Journal of clinical medicine · 2022Article
- Protective Mechanisms of Liquid Formulations for Gastro-Oesophageal Reflux Disease in a Human Reconstructed Oesophageal Epithelium Model.Medical devices (Auckland, N.Z.) · 2022Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeNew medical devices that contain hyaluronic acid (HA) and chondroitin sulphate (CS), with or without antacid components, have been developed for the treatment of gastroesophageal reflux disease (GERD) with the aim of improving oesophageal mucosal defences by creating a film on the oesophageal mucosa and acting as a mechanical barrier against the noxious components of refluxate, both acidic and basic.
methodsThe film-forming and protective efficacy of medical device A based on HA and CS plus aluminium hydroxide, device B combining HA and CS with magnesium trisilicate and device C with only the combination of HA and CS was tested on a reconstructed human oesophageal epithelium (HO2E/S/5) as a biological model in 2 different pH environments, neutral and acidic, to mimic realistic conditions. Caffeine penetration kinetics and Lucifer yellow (LY) permeability modifications induced by these products were compared to those induced by a negative control series (saline solution, code NC) and positive control series (white Vaseline, code V) under neutral and acidic pH conditions.
resultsUnder neutral and acidic pH conditions, compared to the negative control, all the products tested reduced (>80% and 85-90%, respectively) the caffeine passage, and no significant difference was observed among the products tested. Under neutral and acidic conditions, the LY permeabilities registered with device A and device C were not different from that registered with the negative control, while an LY flux% increase was calculated after 2 hrs of treatment (21.1%) with device B under acidic conditions.
conclusionThese results confirm the ability of the products tested to interact with the oesophageal epithelium in order to adhere and create a stable protective film for at least 2 hours after their homogeneous distribution on the epithelium surface. Further clinical studies are needed to test these devices in the topical treatment of gastroesophageal reflux symptoms.
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