Safety and Efficacy of a Sore Throat Lozenge DORITHRICIN in Patients With Acute Pharyngitis

Last updated: November 24, 2017
Sponsor: Medice Arzneimittel Pütter GmbH & Co KG
Overall Status: Completed

Phase

4

Condition

Pharyngitis

Treatment

N/A

Clinical Study ID

NCT03323528
2016-003962-24
  • Ages 18-99
  • All Genders

Study Summary

The aim of this multi-center, randomized, double-blind, placebo-controlled trial is to compare the efficacy and safety of Dorithricin® lozenge - a triple combination of 0.5 mg tyrothricin, 1.0 mg benzalkonium chloride, and 1.5 mg benzocaine - in repeat dosing for 3 days to matched placebo lozenges in the treatment of acute pharyngitis in adults.

Eligibility Criteria

Inclusion

Inclusion Criteria:

  • Male and female outpatients aged ≥18 years

  • Signed informed consent form

  • Clinically diagnosed acute pharyngitis (TPA ≥5)

  • Recent onset of symptoms (≤24 hours)

  • Pain intensity of ≥8 on an 11-point NRS

  • Difficulty in swallowing (100-mm VAS ≥50 mm)

Exclusion

Exclusion Criteria:

  • Patients with strong suspicion of streptococcus A infection (McIsaac score ≥3)

  • Positive rapid streptococcus A test (rapid antigen detection test) to exclude themajor bacterial pathogen responsible for sore throat

  • Purulent tonsillitis

  • The use of systemic/local antibiotics in the throat area within 7 days prior toscreening and during the study

  • The use of any systemic analgesics/local analgesics in the throat area (e.g.non-steroidal drugs, [acetylsalicylic acid >100 mg], paracetamol) within 36 hoursprior to screening and during the study

  • The use of local anaesthetics for treatment of sore throat within 2 days prior toscreening and during the study

  • The use of any systemic anti-inflammatory drug/local anti-inflammatory drug in thethroat area (e.g. glucocorticoids) within 4 weeks prior to screening and during thestudy

  • The use of any other 'sore throat medication' (e.g., lozenges, drops, sprays) or other 'cold medication' that could have interfered with the results of the study within 7days prior to screening and during the study

Study Design

Total Participants: 321
Study Start date:
February 01, 2017
Estimated Completion Date:
November 15, 2017

Study Description

In this randomized, double-blind, placebo-controlled trial, adult patients with non-streptococcal sore throat and signs of moderate-to-severe associated pain (pain intensity on the 11-point Sore Throat Pain Intensity Scale NRS ≥7 and ≥50 mm on the subjective 0-100 mm visual analogue) are assigned to Dorithricin® or matching placebo lozenge treatment. Efficacy was assessed at the investigating center for 2 hrs after first dosing, and 3 days later (visit 2). The primary efficacy end-point is the percentage of total responders assessed at visit 2, i.e. complete resolution of throat pain and difficulty in swallowing at approx. 72 hrs after first application of treatment, Safety and local tolerability are also assessed.

Connect with a study center

  • doc-HNO for the DoriPha investigators

    Röthenbach an der Pegnitz, 90552
    Germany

    Site Not Available

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