Salivary stimulation by prolonged release of pilocarpine in Sjögren’s syndrome.

  • Jesús Rodríguez-Pulido Universidad Autónoma de Nuevo León, Facultad de Odontología. Monterrey, N.L.
  • Gloria Martínez-Sandoval Universidad Autónoma de Nuevo León, Facultad de Odontología. Monterrey, N.L.
  • Norma Rodríguez-Franco Universidad Autónoma de Nuevo León, Facultad de Odontología. Monterrey, N.L.
  • María Chapa-Arizpe Universidad Autónoma de Nuevo León, Facultad de Odontología. Monterrey, N.L.
  • Janett Riega-Torres Centro De Especialistas En Artritis Y Reumatismo. Hospital Universitario. Monterrey, Nuevo León.
  • Mario Garza-Elizondo Centro De Especialistas En Artritis Y Reumatismo. Hospital Universitario. Monterrey, Nuevo León.
DOI: https://doi.org/10.17126/joralres.2017.023

Abstract

Introduction: Prolonged drug delivery in the oral cavity offers many advantages, such as reducing adverse effects. Pilocarpine is an FDA-approved parasympathomimetic drug for the treatment of glandular hypofunction; however, its adverse effects limit its use. Objective: To evaluate the stimulation of salivary flow by the use of pilocarpine-releasing films, as well as their effects on the symptoms of xerostomia and adverse effects in patients with Sjögren's syndrome (SS). Materials and methods: Hy­droxypropylmethylcellulose (Methocel K4MCR) films were prepared in 1% acetic acid and pilocarpine was added under magnetic stirring. The pH and thickness, as well as diffusion uniformity and kinetics of drug release per cm2 were evaluated by spectrophotometry. The films were tested sublingually in 40 patients with Sjögren's syndrome for a period of two weeks. Changes in their salivary flow were evaluated by analyzing samples of total saliva. Additionally, patients were screened for symptoms of xerostomia and adverse effects. Results: The films had a pH of 2.91±0.035, a thickness of 0.06866±0.00152 μm, and a diffusion uniformity of 91% per cm2. Use of the films resulted in an increase in salivary flow in both primary and secondary Sjögren's syndrome, but this increase was only significant in primary SS.  Conclusion: Films showed optimal physicochemical properties for their administration, and proved effective in stimulating salivary flow without causing adverse effects during their administration.

Author Biography

Jesús Rodríguez-Pulido, Universidad Autónoma de Nuevo León, Facultad de Odontología. Monterrey, N.L.

Editor de Journal of Oral Research.

Asesor en Metodología de la Investigación.

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Published
2017-03-29
How to Cite
RODRÍGUEZ-PULIDO, Jesús et al. Salivary stimulation by prolonged release of pilocarpine in Sjögren’s syndrome.. Journal of Oral Research, [S.l.], v. 6, n. 3, p. 64-69, mar. 2017. ISSN 0719-2460. Available at: <https://joralres.com/index.php/JOralRes/article/view/joralres.2017.023>. Date accessed: 08 sep. 2024. doi: https://doi.org/10.17126/joralres.2017.023.
Citation Formats
Issue
Vol 6 No 3
Section
Articles

Keywords

Hyposalivation; Sjögren's syndrome; Pilocarpine; Hydroxypropylmethylcellulose; Xerostomia.

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