Trial Outcomes & Findings for Study of Lung Cancer in Appalachian Kentucky: The Role of Environmental Carcinogens (NCT NCT01648166)

NCT ID: NCT01648166

Last Updated: 2019-11-07

Results Overview

Conduct a case-control study of lung cancer and matched controls in the 5th Congressional District of Kentucky to compare rates of moderate to high arsenic in lung cancer cases and controls (primary endpoint).

Recruitment status

COMPLETED

Target enrollment

520 participants

Primary outcome timeframe

up to three years

Results posted on

2019-11-07

Participant Flow

Participant milestones

Participant milestones
Measure
Lung Cancer Cases
subjects with lung cancer who are greater than 17 years of age and live in Appalachian Kentucky Environmental sampling: Soil, water, blood, urine, hair and radon testing in homes in Appalachia
Control Subjects
subjects without lung cancer, greater than 17 who reside in Appalachian Kentucky Environmental sampling: Soil, water, blood, urine, hair and radon testing in homes in Appalachia
Overall Study
STARTED
153
367
Overall Study
COMPLETED
100
267
Overall Study
NOT COMPLETED
53
100

Reasons for withdrawal

Reasons for withdrawal
Measure
Lung Cancer Cases
subjects with lung cancer who are greater than 17 years of age and live in Appalachian Kentucky Environmental sampling: Soil, water, blood, urine, hair and radon testing in homes in Appalachia
Control Subjects
subjects without lung cancer, greater than 17 who reside in Appalachian Kentucky Environmental sampling: Soil, water, blood, urine, hair and radon testing in homes in Appalachia
Overall Study
inadequate toenail samples
53
100

Baseline Characteristics

only those with adequate toenails could complete the primary outcome measure of arsenic in nail.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Lung Cancer Cases
n=100 Participants
subjects with lung cancer who are greater than 17 years of age and live in Appalachian Kentucky Environmental sampling: Soil, water, blood, urine, hair and radon testing in homes in Appalachia
Control Subjects
n=267 Participants
subjects without lung cancer, greater than 17 who reside in Appalachian Kentucky Environmental sampling: Soil, water, blood, urine, hair and radon testing in homes in Appalachia
Total
n=367 Participants
Total of all reporting groups
Age, Continuous
62 years
n=5 Participants
62 years
n=7 Participants
62 years
n=5 Participants
Sex: Female, Male
Female
61 Participants
n=5 Participants • only those with adequate toenails could complete the primary outcome measure of arsenic in nail.
148 Participants
n=7 Participants • only those with adequate toenails could complete the primary outcome measure of arsenic in nail.
209 Participants
n=5 Participants • only those with adequate toenails could complete the primary outcome measure of arsenic in nail.
Sex: Female, Male
Male
39 Participants
n=5 Participants • only those with adequate toenails could complete the primary outcome measure of arsenic in nail.
119 Participants
n=7 Participants • only those with adequate toenails could complete the primary outcome measure of arsenic in nail.
158 Participants
n=5 Participants • only those with adequate toenails could complete the primary outcome measure of arsenic in nail.
Region of Enrollment
United States
100 participants
n=5 Participants
267 participants
n=7 Participants
367 participants
n=5 Participants

PRIMARY outcome

Timeframe: up to three years

Population: those with adequate toenail arsenic concentrations

Conduct a case-control study of lung cancer and matched controls in the 5th Congressional District of Kentucky to compare rates of moderate to high arsenic in lung cancer cases and controls (primary endpoint).

Outcome measures

Outcome measures
Measure
Lung Cancer Cases
n=100 Participants
subjects with lung cancer who are greater than 17 years of age and live in Appalachian Kentucky Environmental sampling: Soil, water, blood, urine, hair and radon testing in homes in Appalachia
Control Subjects
n=267 Participants
subjects without lung cancer, greater than 17 who reside in Appalachian Kentucky Environmental sampling: Soil, water, blood, urine, hair and radon testing in homes in Appalachia
Rate of Moderate to High Arsenic Level in Cases and Controls
0.04 mcg/dL
Interval 0.03 to 0.06
0.04 mcg/dL
Interval 0.02 to 0.07

Adverse Events

Lung Cancer Cases

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Control Subjects

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Susanne Arnold

University of Kentucky

Phone: 8592579568

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place