Exposure to Neurotoxins as Risk Factors for ALS
Exposure to Neurotoxins as Risk Factors for ALS: Measurement of Genes, Proteins, Neurotoxicants, and Other Factors Potentially Associated With ALS
Sponsor: National Institute of Environmental Health Sciences (NIEHS)
Listed as NCT00340301, this observational or N/A phase trial focuses on ALS and remains completed. Sponsored by National Institute of Environmental Health Sciences (NIEHS), it has been updated 12 times since 2003, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.
Status Flow
Change History
12 versions recorded-
Sep 2024 — Present [monthly]
Completed
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Jul 2024 — Sep 2024 [monthly]
Completed
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Jan 2021 — Jul 2024 [monthly]
Completed
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Feb 2019 — Jan 2021 [monthly]
Completed
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Jan 2019 — Feb 2019 [monthly]
Completed
▶ Show 7 earlier versions
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Dec 2018 — Jan 2019 [monthly]
Completed
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Nov 2018 — Dec 2018 [monthly]
Completed
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Sep 2018 — Nov 2018 [monthly]
Completed
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Jun 2018 — Sep 2018 [monthly]
Completed
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May 2018 — Jun 2018 [monthly]
Completed
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Apr 2018 — May 2018 [monthly]
Completed
Phase: NA → None
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Jan 2017 — Apr 2018 [monthly]
Completed NA
First recorded
Jun 2003
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- National Institute of Environmental Health Sciences (NIEHS)
For direct contact, visit the study record on ClinicalTrials.gov .