A Multi-center Study of Spherule-Derived Coccidioidin
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.
- Brad Sawtelle, M.D.
Blair, NE
Principal Investigator - Harry S Nielsen, Ph.D.
Nielsen BioSciences, Inc.
Study Director - Neil Ampel, M.D.
University of Arizona, Tucson
Principal Investigator - Royce Johnson, M.D.
Kern Medical Center
Principal Investigator - Stephen Kernerman, D.O.
Spokane, WA
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
4 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- Health Sciences Center Avahcs, Univ. of Arizona
Tucson, Arizona, United States
- Kern Facility Medical Group
Bakersfield, California, United States
- Blair Clinic
Blair, Nebraska, United States
- Spokane Allergy and Asthma Center
Spokane, Washington, 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 2005
- Primary completion
- 30 Sept 2007
- Completion
- 30 Sept 2007
- Last update posted
- 29 Oct 2013
- Registered enrollment
- 113
- Registry id
- NCT00690092
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.