This is a pre-market, multicentre, double-blind, randomized, crossover, non-inferiority study comparing the efficacy of MAF-1217 and Cationorm® in adult patients with evaporative DED. The study population will be divided in 4 different subgroups, according to the different types of evaporative DED: 1. Group A: high evaporative levels 2. Group B: females in menopause, whether using hormonal integration or not 3. Group C: presence of active obstructive Meibomian gland disease 4. Group D: glaucomatous patients
Patients will be enrolled after having signed the informed consent form prior any other study procedure and after inclusion/exclusion criteria check. Each patient will be planned to perform 6 study visits and at each visit all necessary study procedures will be performed according to the clinical investigation plan requirements (see flow-chart). The study visits will be performed at: screening, baseline, week 2, week 6, week 8, week 12. Patients will be enrolled at screening visit and at baseline, after the wash-out period of 1 week, then will be randomized to receive MAF-1217 or Cationorm® for the following 6 weeks. After this time lapse, patients will be switched to the opposite therapy for 6 additional weeks. The entire study population will be asked for a TID posology, and will be divided in 4 different subgroups, according to the different types of evaporative DED. Certain test will be performed only in some patients: Osmolimetry and tear sampling in 20 patients(10/site) chosen random from groups B, C and D; Ferning test only in group D; tear film collection and cytokine expression only in 20 patients form site nr. 2. Patients will be allowed to carry on any systemic or local medications, apart lubricating eyedrops, which have to be stopped the day before baseline visit.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
72
Ospedale San Paolo, ASST Santi Paolo e Carlo
Milan, Italy
ASST Fatebenefratelli Sacco P.O.L. Sacco
Milan, Italy
Break-up time (BUT) differences
Changes in break-up time (BUT) versus baseline
Time frame: measured at week 2, 6, 8 and 12 weeks treatment versus baseline
ocular surface staining (corneal and conjunctival)
Cross-over analysis for the differences versus baseline between the two groups on changes in ocular surface staining (corneal and conjunctival)
Time frame: measured at week 2, 6, 8 and 12 weeks treatment versus baseline
Schirmer I test (ST) (without anesthesia)
Cross-over analysis for the differences versus baseline between the two groups on changes in Schirmer I test (ST) (without anesthesia)
Time frame: measured at week 2, 6, 8 and 12 weeks treatment versus baseline
number of blinking per minute
Cross-over analysis for the differences versus baseline between the two groups on changes in number of blinking per minute
Time frame: measured at week 2, 6, 8 and 12 weeks treatment versus baseline
Ferning test (Group D)
Cross-over analysis for the differences versus baseline between the two groups on changes in Ferning test (Group D)
Time frame: measured at week 2, 6, 8 and 12 weeks treatment versus baseline
osmolarity
Cross-over analysis for the differences versus baseline between the two groups on changes in osmolarity
Time frame: measured at week 2, 6, 8 and 12 weeks treatment versus baseline
patient satisfaction (10 points VAS scale)
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Cross-over analysis for the differences versus baseline between the two groups on changes in patient satisfaction (10 points VAS scale). (VAS: scale where patient has to specify level of satisfaction by indicating a position along a continuous line between two end-points (0 - 10). 0 indicates no satisfaction while 10 represents the highest level).
Time frame: measured at week 2, 6, 8 and 12 weeks treatment versus baseline
OSDI
Changes in questionnaire scores (OSDI - Ocular Surface Disease Index). The overall Ocular Surface Disease score defined the ocular surface as normal (0-12 points) or as having mild (13-22 points), moderate (23-32 points), or severe (33-100 points) disease.
Time frame: measured at week 2, 6, 8 and 12 weeks treatment