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The first and only double-blind, randomised, placebo controlled study in sialorrhoea, that has investigated efficacy, tolerability and quality of life.1

Discover the topline results on this page or download the publication below.

The SALIVA trial demonstrated Sialanar® significantly improves drooling and its impact on quality-of-life, with good tolerability vs placebo 1

Study Design 1

Study Design1

  • A double-blind, randomised, clinical phase IV trial comparing Sialanar® with placebo, in addition to continued oral rehabilitation.
  • 87 children (3-17 years) with neurodisabilities and severe sialorrhoea (modified Teachers Drooling Scale ≥6) were randomised 1:1 to Sialanar® or placebo, in addition to non-pharmacological standard care during a 3-month double-blinded period.
  • The dose was titrated over a period of up to 4 weeks.
Efficacy - Sialanar® significantly improves drooling vs placebo 1

Sialanar® provides significantly greater Drooling Impact Score improvements vs placebo at day 84 (median: -29.5 vs -1; p<0.001)1

  • Early improvement in DIS after 4 weeks (p<0.001)vs placebo 
  • Significant improvement in DIS at 12 weeks (p<0.001)1 vs placebo
QoL - Sialanar® significantly reduces the impact of drooling on quality of life vs placebo 1

Sialanar® is effective at reducing the impact of drooling on the child's and family's day-to-day life vs placebo at 12 weeks 1

Tolerability - Sialanar® is well tolerated 1

Sialanar® was well tolerated throughout the 12-week SALIVA study1

The most common treatment-related adverse event in both treatment arms was constipation (20.5% for Sialanar® vs 16.3% for placebo).

Interested in discussing the data in more detail?

Submit the form to arrange a discussion on the SALIVA trial with the Proveca team.

Safety

Head to this section for guidance on side effects and titration.

Resources

Visit the resources section to find product support materials for patients/carers and educational resources for healthcare professionals.

About Sialanar®

Sialanar® is designed for children, learn more about its features and why they make a difference.

References

  1. Fayoux P et al., Glycopyrronium 320 μg/mL in children and adolescents with severe sialorrhoea and neurodisabilities: A randomized, double-blind, placebo-controlled trial. Developmental
    Medicine & Child Neurology 2024; 00: 1–9.

UK-SIA-25-0103 | November 2025

Adverse Event Reporting Information

UK: Adverse events should be reported. Reporting forms and information can be found at: www.mhra.gov.uk/yellowcard

Republic of Ireland: Adverse events should be reported. Reporting forms and information can be found at: www.hpra.ie.

Adverse events should also be reported to Proveca Limited. Phone: +44 333 200 1866 E-Mail: medinfo@proveca.com

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