Asthma Clinical Research Network (ACRN) Trial - Tiotropium Bromide as an Alternative to Increased Inhaled Corticosteroid in Patients Inadequately Controlled on a Lower Dose of Inhaled Corticosteroid (TALC)
Summary
The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →
Investigators
The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.
- Elliot Israel, MD
Brigham and Women's Hospital
Principal Investigator - Homer A. Boushey, MD
University of California, San Francisco
Principal Investigator - Monica Kraft, MD
Duke University
Principal Investigator - Reuben M. Cherniack, MD
National Jewish Health
Study Chair - Richard J. Martin, MD
National Jewish Health
Principal Investigator - Robert F. Lemanske, MD
University of Wisconsin, Madison
Principal Investigator - Stephen I. Wasserman, MD
University of California, San Diego
Principal Investigator - Stephen P. Peters, MD, PhD
Wake Forest University Health Sciences
Principal Investigator - William J. Calhoun, MD
University of Texas
Principal Investigator
A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.
Sites
10 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- University of California, San Diego
San Diego, California, United States
- University of California, San Francisco
San Francisco, California, United States
- National Jewish Medical and Research Center
Denver, Colorado, United States
- Brigham & Women'S Hospital
Boston, Massachusetts, United States
- Washington University, St. Louis
St Louis, Missouri, United States
- Columbia University Health Sciences
New York, New York, United States
- Duke University Medical Center
Durham, North Carolina, United States
- Wake Forest University Health Sciences
Winston-Salem, North Carolina, United States
- University of Texas Medical Branch
Galveston, Texas, United States
- University of Wisconsin, Madison
Madison, Wisconsin, United States
Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.
Drugs studied
No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →
Registration & key dates
Registry attributes as recorded on the ClinicalTrials.gov study record.
- Start
- 31 May 2008
- Primary completion
- 31 May 2010
- Completion
- 31 May 2010
- Last update posted
- 2 Jul 2018
- Registered enrollment
- 210
- Registry id
- NCT00565266
Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.