Evaluation of the Onset and Duration of Action of Bepotastine Besilate Ophthalmic Solution in Acute Allergic Conjunctivitis

• Ocular Itching [ Time Frame: 15 minutes, 8 hours & 16 hours post-dose from Conjunctival Allergen Challenge (CAC) Model ] [ Designated as safety issue: No ]
  Ocular Itching score: 0=None; 0.5=Intermittent tickle sensation possibly localized in the corner of the eye; 1.0=Intermittent tickle sensation involving more than the corner of the eye; 1.5=Intermittent all-over tickling sensation; 2.0=Mild continuous itch (can be localized) without desire to rub; 2.5=Moderate, diffuse continuous itch with desire to rub; 3.0=Severe itch with desire to rub; 3.5=Severe itch improved with minimal rubbing; 4.0=Incapacitating itch with irresistible urge to rub
• Conjunctival Redness [ Time Frame: 15 minutes, 8 hours & 16 hours post-dose from Conjunctival Allergen Challenge (CAC) Model ] [ Designated as safety issue: No ]
  Conjunctival Redness score: 0=None; 1.0=Mild-Slightly dilated blood vessels; color of vessels typically pink; 2.0=Moderate-More apparent dilation of blood vessels; vessel color more intense (redder); 3.0=Severe-Numerous, obvious dilated blood vessels; absence of chemosis color is deep red, presence of chemosis may be less red or pink; 4.0=Extremely Severe-Large, numerous dilated blood vessels characterized by severe deep red color regardless of chemosis grade

• Ciliary Redness [ Time Frame: 15 Minutes, 8 Hours & 16 Hours post-dose from Conjunctival Allergen Challenge (CAC) Model ] [ Designated as safety issue: No ]
  Ciliary Redness score: 0=None; 1.0=Mild-Slightly dilated blood vessels; color of vessels typically pink; 2.0=Moderate-More apparent dilation of blood vessels; vessel color more intense (redder); 3.0=Severe-Numerous, obvious dilated blood vessels; absence of chemosis color is deep red, presence of chemosis may be less red or pink; 4.0=Extremely Severe-Large, numerous dilated blood vessels characterized by severe deep red color regardless of chemosis grade
• Episcleral Redness [ Time Frame: 15 Minutes, 8 Hours & 16 Hours post-dose from Conjunctival Allergen Challenge (CAC) Model ] [ Designated as safety issue: No ]
  Episcleral Redness score: 0=None; 1.0=Mild-Slightly dilated blood vessels; color of vessels typically pink; 2.0=Moderate-More apparent dilation of blood vessels; vessel color more intense (redder); 3.0=Severe-Numerous, obvious dilated blood vessels; absence of chemosis color is deep red, presence of chemosis may be less red or pink; 4.0=Extremely Severe-Large, numerous dilated blood vessels characterized by severe deep red color regardless of chemosis grade
• Chemosis [ Time Frame: 15 Minutes, 8 Hours & s6 Hours post-dose from Conjunctival Allergen Challenge (CAC) Model ] [ Designated as safety issue: No ]
  Chemosis score: 0 = None; 1.0 = Mild-Detectable only by slit lamp beam; definite separation of conjunctiva from sclera; 2.0 = Moderate-Visible in normal room light; more diffuse edema; 3.0 = Severe-Conjunctival billowing at the limbus; very diffuse and noticeable; 4.0 = Extremely Severe-Overall ballooning of conjunctiva
• Rhinorrhea (Runny Nose) [ Time Frame: 15 Minutes, 8 Hours & 16 Hours post-dose from Conjunctival Allergen Challenge (CAC) Model ] [ Designated as safety issue: No ]
  Rhinorrhea score: 0 = None; 1.0 = Mild-Sensation of nasal mucus flowing down nasal passage; no discharge present; 2.0 = Moderate-May be associated with post-nasal drip; nasal mucus flow more pronounced; will need to blow nose soon; 3.0 = Moderate/Severe-Nasal mucus discharge requiring occasional wiping with Kleenex; 4.0 = Severe-Uncontrolled nasal discharge; requiring frequent wiping and blowing nose
• Nasal Pruritus (Itchy Nose) [ Time Frame: 15 Minutes, 8 Hours & 16 Hours post-dose from Conjunctival Allergen Challenge (CAC) Model ] [ Designated as safety issue: No ]
  Nasal Pruritus score: 0 = None; 1.0 = Mild-An intermittent tickle sensation; 2.0 = Moderate-A mild continuous itch; 3.0 = Moderate/Severe-A severe itch with desire to rub; 4.0 = Severe-Incapacitating itch with an irresistible urge to rub
• Ear or Palate Pruritus (Itchy Ear or Palate) [ Time Frame: 15 Minutes, 8 Hours & 16 Hours post-dose from Conjunctival Allergen Challenge (CAC) Model ] [ Designated as safety issue: No ]
  Ear or Palate Pruritus score: 0 = None; 1.0 = Mild-An intermittent tickle sensation; 2.0 = Moderate-A mild continuous itch; 3.0 = Moderate/Severe-A severe itch with desire to rub; 4.0 = Severe-Incapacitating itch with an irresistible urge to rub
• Nasal Congestion [ Time Frame: 15 Minutes, 8 Hours & 16 Hours post-dose from Conjunctival Allergen challenge (CAC) Model ] [ Designated as safety issue: No ]
  Nasal Congestion score: 0 = None-Breathes freely; 1.0 = Mild-Breathes with difficulty; 2.0 = Moderate-One nostril partially blocked; 3.0 = Moderate/Severe-Both nostrils partially blocked or one nostril completely blocked and the other nostril partially blocked; 4.0 = Severe-Both nostrils completely blocked
• Tearing [ Time Frame: 15 Minutes, 8 Hours & 16 Hours post-dose from Conjunctival Allergen Challenge (CAC) Model ] [ Designated as safety issue: No ]
  Percent of Eyes with Tearing. Scored as absent or present
• Ocular Mucus Discharge [ Time Frame: 15 Minutes, 8 Hours & 16 Hours post-dose from Conjunctival Allergen Challenge (CAC) Model ] [ Designated as safety issue: No ]
  Percent of Eyes with Ocular Mucus Discharge. Scored as absent or present
• Eyelid Swelling [ Time Frame: 15 Minutes, 8 Hours & 16 Hours post-dose from Conjunctival Allergen Challenge (CAC) Model ] [ Designated as safety issue: No ]
  Eyelid Swelling score: 0 = None; 1.0 = Mild-Detectable swelling of lower and/or upper lid; 2.0 = Moderate-Definite swelling of lower and/or upper lid; 3.0 = Severe-Swelling of lower and/or upper lid to the point that there is a decrease in the space between your upper and lower lids
• Total Nasal Symptom [ Time Frame: 15 Minutes, 8 Hours & 16 Hours post-dose from Conjunctival Allergen Challenge (CAC) Model ] [ Designated as safety issue: No ]
  Total Nasal Symptom score (Composite of Rhinorrhea, Nasal Pruritus, Ear or Palate Pruritus, and Nasal Congestion): 0 = None; 1.0 = Mild; 2.0 = Moderate; 3.0 = Moderate/Severe; 4.0 = Severe

The purpose of this study is to evaluate whether bepotastine besilate ophthalmic solution is effective in the treatment of acute allergic conjunctivitis

• Drug: Bepreve
  sterile ophthalmic solution
• Drug: Placebo
  sterile ophthalmic solution
• Drug: Bepotastine Besilate
  sterile ophthalmic solution

• Experimental: Bepreve
  Bepotastine Besilate Ophthalmic Solution 1.5%
  Intervention: Drug: Bepreve
• Placebo Comparator: Placebo
  sterile ophthalmic solution
  Intervention: Drug: Placebo
• Experimental: Bepotastine Besilate
  sterile ophthalmic solution 1.0%
  Intervention: Drug: Bepotastine Besilate

• Meier EJ, Torkildsen GL, Gow JA, McNamara TR, Gomes PJ, Williams JI; Bepotastine Besilate Ophthalmic Solutions Study Group. Integrated phase III trials of bepotastine besilate ophthalmic solution 1.5% for ocular itching associated with allergic conjunctivitis. Allergy Asthma Proc. 2012 May-Jun;33(3):265-74.
• Torkildsen GL, Williams JI, Gow JA, Gomes PJ, Abelson MB, McNamara TR; Bepotastine Besilate Ophthalmic Solutions Clinical Study Group. Bepotastine besilate ophthalmic solution for the relief of nonocular symptoms provoked by conjunctival allergen challenge. Ann Allergy Asthma Immunol. 2010 Jul;105(1):57-64.
• Abelson MB, Torkildsen GL, Williams JI, Gow JA, Gomes PJ, McNamara TR; Bepotastine Besilate Ophthalmic Solutions Clinical Study Group. Time to onset and duration of action of the antihistamine bepotastine besilate ophthalmic solutions 1.0% and 1.5% in allergic conjunctivitis: a phase III, single-center, prospective, randomized, double-masked, placebo-controlled, conjunctival allergen challenge assessment in adults and children. Clin Ther. 2009 Sep;31(9):1908-21.

Inclusion Criteria:

• At least 10 years of age & either sex, any race
• Willing and able to follow all instructions and attend all study visits
• Positive history of ocular allergies

Exclusion Criteria:

• Have planned surgery during trial period
• Female currently pregnant, planning a pregnancy, or lactating