- Conditions
- IgA Monoclonal Gammopathy of Undetermined Significance
- Interventions
- Rifaximin, Biospecimen Collection
- Drug · Procedure
- Lead sponsor
- Fred Hutchinson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced May 21, 2026, 8:09 PM EDT