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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00645086
Other study ID # M02-472
Secondary ID
Status Completed
Phase Phase 3
First received March 24, 2008
Last updated March 26, 2008
Start date December 2002

Study information

Verified date March 2008
Source Abbott
Contact n/a
Is FDA regulated No
Health authority United States: Food and Drug Administration
Study type Interventional

Clinical Trial Summary

To compare the efficacy of a 5-day course of clarithromycin extended-release tablets (2 x 500 mg QD) with that of a 7-day course of clarithromycin immediate-release tablets (1 x 500 mg BID) in the treatment of acute bacterial exacerbation of chronic bronchitis.


Recruitment information / eligibility

Status Completed
Enrollment 465
Est. completion date
Est. primary completion date April 2004
Accepts healthy volunteers No
Gender Both
Age group 40 Years and older
Eligibility Inclusion Criteria:

- Ambulatory subject who does not require intravenous antibiotic therapy.

- Subject who has a medical history of chronic bronchitis.

- A history of regular medication use (>=3 consecutive months within the past 2 years) to treat pulmonary disease.

- Subject must have evidence of pulmonary function test abnormalities.

- The onset of signs and symptoms of the current exacerbation must occur within 14 days before Evaluation 1.

Exclusion Criteria:

- Medical history of hypersensitivity, allergic or adverse reactions to clarithromycin, erythromycin, or any of the macrolide antibiotics.

- A female who is pregnant or is lactating.

- Subject who has suspected or known (positive chest radiograph) pneumonia.

- Subject who has evidence of significant bronchiectasis (by CT) or atelectasis, active tuberculosis or other mycobacterial infection, bullous emphysema, pulmonary embolism, lung abscess, tumor (primary or metastatic) involving the lung, pleural effusion, or cystic fibrosis that could confound the assessment of signs and symptoms of ABECB.

- Subject who requires parenteral antibiotic therapy.

- Subject who requires hospitalization for treatment of current episode of ABECB.

- Subject who has any other infection or condition, which necessitates use of a concomitant systemic antibiotic.

- Subject who has any underlying condition/disease, which would be likely to interfere with the completion of the course or absorption of study drug therapy or follow-up.

- Subject who has a severe or complicated lower respiratory tract infection or a severely compromised respiratory status (i.e., oxygen dependent, requiring hospitalization).

- Known significant renal or hepatic impairment.

Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Drug:
clarithromycin extended-release tablets
5-day course of clarithromycin extended-release tablets (2 x 500 mg QD)
clarithromycin immediate-release tablets
7-day course of clarithromycin immediate-release tablets (1 x 500 mg BID)

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Abbott

Countries where clinical trial is conducted

United States,  Canada,  Puerto Rico, 

Outcome

Type Measure Description Time frame Safety issue
Primary Clinical Response 23 days No
Primary Bacteriologic Response 23 days No
Secondary Adverse events assessment 42 days with follow-up to a satisfactory conclusion Yes
Secondary Physical exam; Vital signs; Use of other medications and supplements 42 days Yes
Secondary Laboratory evaluations 23 days Yes