Comparison performance of preserved versus unpreserved Levocabastin eyedrops in allergen challenge

ISRCTN ISRCTN68968150
DOI https://doi.org/10.1186/ISRCTN68968150
Secondary identifying numbers 523
Submission date
26/02/2010
Registration date
25/03/2010
Last edited
13/09/2011
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Eye Diseases
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Not provided at time of registration

Contact information

Dr Didier Chassard
Scientific

SGS Aster
3-5 Rue E. Millon
Paris
75015
France

Study information

Study designSingle centre contralateral double blind randomised controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Hospital
Study typePrevention
Participant information sheet Not available in web format, please use contact details below to request a patient information sheet
Scientific titleA Colateral, Double-Masked, Randomized Study to Evaluate Preservative-Free Levocabastine 0.05% Ophthalmic Solution When Compared to Preserved Levocabastin 0.05% Ophthalmic Suspension or Preservative-Free Levocabastine Ophthalmic Solution Vehicle During Allergen Challenge
Study acronymLevocabastine
Study objectivesEvaluation of efficacy and safety of Prerservative-free Levocabastine ophthalmic solution compared to Preserved Levocabastine ophthalmic suspension and Preservative-free Levocabastine ophthalmic solution vehicle in prevention of allergic conjunctivitis induced by ocular allergen challenge
Ethics approval(s)Approval received from the local ethics committee (Comité de Protection des Personnes CPP Ile de France III) on the 31st of July 2007 (Ref: CPP Dossier No 2445)
Health condition(s) or problem(s) studiedAllergic Conjunctivitis
Intervention1. Preservative-free Levocabastine 0.05% ophthalmic solution (formula LCM-1218)
2. Preserved Levocabastine 0.05% ophthalmic suspension (Levophta, formula LCM-1215)
3. Preservative-free Levocabastine ophthalmic solution vehicle (formula LCM-1228)

3/4 of patients will receive (1) in one eye and (2) in the second eye
1/4 of patients will receive (3) in one eye and (2) in the second eye

One drop of the applicable medication/placebo will be administered by study personnel at 10 min (Visit 3) or 4 hours (Visit 4) prior to CPT.
No further follow up.
Intervention typeOther
Primary outcome measureSum score for conjunctival hyperaemia (Grade 0-3) and itching (Grade 0-4) at 3, 5, and 10 minutes after CPT at Visits 3 and 4
Secondary outcome measures1. Individual scores for the following, at 3, 5, and 10 minutes after CPT at Visit 3 and 4
1.1. conjunctival hyperaemia
1.2. itching
1.3. eyelid swelling
1.4. conjunctival chemosis
1.5. tearing
2. Proportion of eyes with a late phase reaction within 24 hours after CPT at Visit 3 and 4
3. Safety Endpoints:
4. Visual acuity (Monoyer scale)
5. Slit lamp
6. IOP
7. Subjective tolerance upon treatment administration
8. Adverse events
Overall study start date29/10/2007
Completion date25/03/2008

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
Upper age limit50 Years
SexBoth
Target number of participants92
Key inclusion criteria1. Healthy
2. Volunteers
3. Male or female
4. 18-50 years old
5. History of allergic conjunctivitis
6. Normal screening ocular examination
7. Best corrected distance visual acuity (VA) must be 8/10 (Monoyer scale) or more
8. Intraocular pressure (IOP) must be <21 mm Hg
9. Positive screening conjunctival provocation test (CPT) including at least moderate itching and hyperaemia
10. Women of childbearing potential must have a negative pregnancy test
11. Contact lens wearers must agree to not wear contact lenses when CPTs are conducted
Key exclusion criteria1. Any ocular or systemic disease
2. Known hypersensitivity to the study drugs or their components
3. Allergic conjunctivitis due to an allergen other than grass pollen
4. Subjects who don't have discontinued use of certain medications up to 6 weeks prior to study entry
5. Subjects who have previously undergone hyposensitization therapy for grass pollen within 3 months prior to study entry
6. Subjects who have previously undergone ocular laser treatment or ocular surgery within 6 months prior to study entry
Date of first enrolment29/10/2007
Date of final enrolment25/03/2008

Locations

Countries of recruitment

  • France

Study participating centre

SGS Aster,
Paris
75015
France

Sponsor information

Laboratoire Chauvin, Bausch & Lomb Inc. (France)
Industry

416, rue Samuel Morse
Montpellier Cedex 2
34961
France

ROR logo "ROR" https://ror.org/018qejt38

Funders

Funder type

Industry

Laboratoire Chauvin, Bausch & Lomb Inc. (France)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan