Last reviewed · How we verify
NCT01399411
Agricultural Health Study Follow-up
trial in Asthma in 89,656 participants. Completed.
Quick facts
| Lead sponsor | National Institute of Environmental Health Sciences (NIEHS) |
|---|---|
| Status | Completed |
| Study type | OBSERVATIONAL |
| Enrollment | 89,656 |
| Start date | 5 July 2011 |
| Sites | 3 locations across United States |
Conditions studied
- Asthma — all drugs for Asthma →
- Parkinson's Disease — all drugs for Parkinson's Disease →
Sponsor
National Institute of Environmental Health Sciences (NIEHS)
Who can join
24 and older, any sex, with Asthma or Parkinson's Disease. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
Background: \- The Agricultural Health Study (AHS) is looking at the long-term health effects of farming exposures including pesticides, crops, and animals. The chronic health effects of exposure to pesticides are easier to study in farmers and their spouses. They know what chemicals they use and tend to live in the same place for most of their adult lives. AHS participants are expected to report any changes in their health. This includes any new medical conditions. Researchers want to follow up on these reports to confirm their accuracy. Objectives: \- To follow up AHS participants who have self-reported that they have a new disease and confirm their diagnosis. Eligibility: \- Current AHS participants. Design: * Researchers will confirm self-reported changes in medical conditions by contacting the AHS participant to ask for more information. * The AHS participant will give permission for researchers to contact their doctor to look at their medical records. They will also be asked to provide a cheek swab or saliva sample. * Diseases of interest are rheumatoid arthritis, lupus, and Sjogren s Syndrome. Other diseases will be followed up in the future. Other diseases will be followed up in the future....
Publications & conference data
No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.
Verify or expand the search:
- PubMed search for NCT01399411
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Other National Institute of Environmental Health Sciences (NIEHS) trials
Trials by the same sponsor.
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT01399411 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by National Institute of Environmental Health Sciences (NIEHS)
- Last refreshed: 14 April 2026
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT01399411.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing