To Determine if Diphenhydramine Works for Nasal Congestion at Two Different Doses

Completed · Phase 4 · Has a placebo group

Conditions studied: Nasal Congestion

In brief

The study was to determine if the drug worked to relieve nasal congestion experienced by people with seasonal allergies.

Key facts

Study ID

NCT00648973

Run by

Johnson & Johnson Consumer and Personal Products Worldwide

People needed

1021

Starts

2006-11-01

Expected to finish

2007-05-01

Last updated by the study team

2011-08-22

Who can join

Age: 12 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• otherwise healthy males and females
• 12 to 65 years of age
• hypersensitivity to specific pollens for a minimum of 2 years prior to study start
• appropriate SAR sign/symptoms scores

You may not qualify if…

• pregnancy, lactation and contraception issues
• contraindicated medications or therapies
• evidence of clinical, dietary, lifestyle or psychiatric issues, which in the opinion of the investigator, could increase the risk to the subject or research staff, or interfere with the interpretation of study results

Where it is running

• Benchmark Research - Austin — Austin, Texas, United States
• Allergy and Asthma Associates — Austin, Texas, United States
• Lovelace Scientific Resources — Austin, Texas, United States
• Allergy/Immunology Research Center of North Texas — Dallas, Texas, United States
• Kerrville Research Associates — Kerrville, Texas, United States
• Central Texas Health Research — New Braunfels, Texas, United States
• Benchmark Research - San Angelo — San Angelo, Texas, United States
• Sun Research Institute — San Antonio, Texas, United States
• Biogenics Research Institute — San Antonio, Texas, United States
• Diagnostics Research Group — San Antonio, Texas, United States
• Sylvana Research Associates — San Antonio, Texas, United States
• Allergy Asthma Research Institute — Waco, Texas, United States

Full record on ClinicalTrials.gov

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