Conjunctival Allergen Challenge (CAC) Following Allergen Exposure in the Allergen BioCube (ABC) (ABC CAC)

September 20, 2010 updated by: ORA, Inc.

A Pilot Study Evaluating the Effect of Conjunctival Allergen Challenge (CAC) on Nasal and Ocular Allergic Symptoms Following Allergen Exposure in the Allergen BioCube (ABC) in Subjects With Seasonal Allergic Rhinoconjunctivitis

To evaluate the effect of Conjunctival Allergen Challenge (CAC) with Dust Mites on nasal and ocular allergic symptoms following allergen exposure in the Allergen BioCube (ABC).

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Anticipated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
120

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Massachusetts
      • Andover, Massachusetts, United States, 01810
        • ORA, Inc.

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

Subjects will be 18 years of age or older with a positive history of ocular and nasal allergy and a positive skin test reaction to ragweed within the past 24 months.

Description

Inclusion Criteria:

  • be at least 18 years of age;
  • if female, cannot be pregnant or nursing;
  • have a history of ocular and nasal allergy;
  • have a positive skin test reaction to ragweed within the past 24 months;
  • may/may not have a positive skin test reaction to dust mites within the past 24 months

Exclusion Criteria:

  • have a history of mild persistent, moderate or severe asthma within the preceding 5 years according to the National Heart, Blood and Lung Institute classification;
  • have a compromised lung function;
  • have any ocular condition that could affect the subject's health or the study parameters;
  • have any presence of active ocular or sinus infection;
  • have significant nasal conditions;
  • have any significant illness that could be expected to interfere with the subject's health or with the study parameters;
  • use specified disallowed medications (topical, topical ophthalmic, systemic and/or injectable treatments and all anti-allergy therapies) during the study or appropriate pre-study washout period;
  • have used an investigational drug or device within 30 days of starting the study or be concurrently enrolled in another investigational drug or device study within 30 days of the study;

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Ragweed+ Dust Mite+ CAC w/ DM
Ragweed + Dust Mite + CAC w/Saline
Ragweed + Dust Mite - CAC

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
Ocular Itching
Time Frame: At specified timepoints for up to 2 hours
At specified timepoints for up to 2 hours
Conjunctival Redness
Time Frame: At specified timepoints for up to 2 hours
At specified timepoints for up to 2 hours
Total Ocular Symptom Score (TOSS) of ocular itching and redness
Time Frame: At specified timepoints for up to 2 hours
At specified timepoints for up to 2 hours
Total Nasal Symptom Score (TNSS) of nasal symptoms
Time Frame: At specified timepoints for up to 2 hours
At specified timepoints for up to 2 hours
Nasal itching, Sneezing, Rhinorrhea, and Nasal Congestion
Time Frame: At specified timepoints for up to 2 hours
At specified timepoints for up to 2 hours

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
Ciliary and episcleral redness
Time Frame: At specified timepoints for up to 2 hours
At specified timepoints for up to 2 hours
Chemosis
Time Frame: At specified timepoints for up to 2 hours
At specified timepoints for up to 2 hours
Lid Swelling
Time Frame: At specified timepoints for up to 2 hours
At specified timepoints for up to 2 hours

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
ORA, Inc.

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Director: Paul Gomes, MS, ORA, Inc.
  • Principal Investigator: Henry J. Crampton, MD, ORA, Inc.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
September 1, 2009

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
August 1, 2010

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
August 1, 2010

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
September 25, 2009

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
September 25, 2009

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
September 28, 2009

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
September 21, 2010

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
September 20, 2010

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
September 1, 2010

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 09-003-24

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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