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Completed No phase listed Observational Accepts healthy volunteers

Environmental Exposure and Neurological Diseases Questionnaire

ClinicalTrials.gov ID: NCT02916966

Public ClinicalTrials.gov record NCT02916966. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 4, 2026, 8:03 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Case-control and Population Questionnaire Studying Environmental Risk Factors and Neurological Diseases

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The proposed research is particularly relevant to the National ALS Registry and public environmental health issues because it addresses the potential environmental causes of sporadic ALS. The research will develop an ALS surveillance program in Ohio that can be compared with the national and State-Metro Surveillance Programs of the National ALS Registry, and novel methodologies to determine the role of the cyanobacterial toxin, BMAA (beta-methylamino-L-alanine), and other environmental toxins/toxicants as risk factors for ALS. This work will advance the mission of the Centers for Disease Control Agency for Toxic Substances and Disease Registry (CDC ATSDR) National ALS Registry by offering data on ALS cases in Ohio that address public health concerns over the effects of chronic exposure to cyanobacterial blooms in Lake Erie.

Study identification

NCT ID
NCT02916966
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Enrollment
460 participants

Conditions and interventions

Interventions

Other

Eligibility (public fields only)

Age range
18 Years to 80 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 30, 2016
Primary completion
Aug 31, 2023
Completion
Aug 31, 2023
Last update posted
Apr 30, 2024

2016 – 2023

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Cleveland Clinic Foundation Cleveland Ohio 44195

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

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About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02916966, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 30, 2024 · Synced Sep 4, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02916966 live on ClinicalTrials.gov.

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