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Antibiotic Treatment Trial Directed Against Chlamydia Pneumonia in Multiple Sclerosis

Antibiotic Treatment Trial Directed Against Chlamydia Pneumonia in Multiple Sclerosis

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00043264
Enrollment
40
Registered
2002-08-08
Start date
Unknown
Completion date
Unknown
Last updated
2005-06-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Multiple Sclerosis

Brief summary

Multiple sclerosis (MS) is an inflammatory, demyelinating disease which affects the central nervous system (CNS). The etiology of MS is unknown, although the immune system appears to play a role. Many different infectious agents have been proposed as potential causes for MS, including Epstein-Barr virus, human herpesvirus 6, and coronaviruses. Recently Dr. Sriram at Vanderbilt University has found evidence for active Chlamydia pneumonia infection in the CNS of MS patients. These findings have been replicated in part by other laboratories. The purpose of the current study is to test whether antibiotic treatment aimed at eradicating Chlamydia infection will reduce the disease activity in MS. The primary outcome measure will be reduction in new enhancing MS lesions on brain MRI. Forty patients will be entered into the trial. To be eligible, patients must have evidence of chlamydia infection in their spinal fluid and enhancing lesions on their pre-randomization MRI scans. Patients who meet these criteria will be randomized to either placebo or antibiotic therapy, and followed for 6 months on treatment.

Interventions

DRUGRifampin
DRUGAzithromycin

Sponsors

National Multiple Sclerosis Society
CollaboratorOTHER
National Center for Research Resources (NCRR)
Lead SponsorNIH

Study design

Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

Patients with unequivocal diagnosis of multiple sclerosis and have evidence of C. pneumoniae infection in the cerebral spinal fluid

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026