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Non-intrusive Detection of Temporary Neurologic Impairment By Opioids

Non-intrusive Detection of Temporary Neurologic Impairment By Opioids

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04223609
Enrollment
14
Registered
2020-01-10
Start date
2020-02-28
Completion date
2022-04-11
Last updated
2023-04-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Brief summary

Research is being conducted to better understand the physiologic effects (relating to the action of a drug when taken by a healthy person) of opioid use on oculomotor (relating to the motion of the eye) dynamics and to identify the presence of characteristics consistent with a specific drug or class of drugs.

Interventions

DEVICEEyeLink 1000 Plus

Non-invasive video-based eye tracking system

DRUGOxycodone

5 mg tablet

DRUGPlacebo

Oxycodone-matched placebo tablet

Subject will have to look for numbers on a screen and add these numbers together. OCAT will be presented on a computer screen with attached eye tracking device at the bottom part.

DEVICEVT3mini - Eye Tracking Technology for OEMs

Non-invasive eye-tracking device

Sponsors

Mayo Clinic
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
BASIC_SCIENCE
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
21 Years to 59 Years
Healthy volunteers
Yes

Inclusion criteria

* Participants must be able to consent to participate themselves * Be healthy male or non-pregnant female * Must be able to attend in-person sessions at the Mayo Aerospace Medicine and Vestibular Research Laboratory in Scottsdale, AZ. * Have not used opioids during the preceding 30 days * Prior use of opioids for pain management

Exclusion criteria

* Women who are pregnant or breastfeeding. * Women who are not practicing an effective form of contraception (condoms, IUD, birth control pill, diaphragm), * Past or current history of drug or substance use. * Significant ocular disorder. * Positive drug test for marijuana, opioids, methamphetamines, cocaine, PCP or other controlled substances. * History of use of psychoactive drugs within the past 30 days. * Subjects with a history of cardiopulmonary disease including but not limited to congestive heart failure, obstructive sleep apnea, restrictive lung disease, COPD, moderate to severe asthma and oxygen dependency. * Subjects currently taking sedatives (including benzodiazepines), muscle relaxants or disassociatives.

Design outcomes

Primary

MeasureTime frameDescription
Oculo-Cognitive Addition Test (OCAT) Completion TimeBaseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)Time it takes participants to complete the OCAT measured in seconds.
Saccadic LatencyBaseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)measured in seconds
Fixation Time - Low Cognitive WorkloadBaseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)measure in milliseconds
Fixation Time - Medium Cognitive WorkloadBaseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)measure in milliseconds
Fixation Time - High Cognitive WorkloadBaseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)measure in milliseconds
Diagonal Saccadic VelocityBaseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)measured in deg/s
Horizontal Saccadic VelocityBaseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)measured in deg/s
Vertical Saccadic VelocityBaseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)measured in deg/s

Countries

United States

Participant flow

Participants by arm

ArmCount
Oxycodone, Then Placebo
Participants first receive initial dose of oxycodone 5 mg tablet followed by a 30-minute rest period to allow for onset of medication effect. This rest period will be followed by a standardized set of oculomotor testing for 40 minutes. After the initial testing, a second dose of oxycodone 5 mg tablet will be administered followed by a 30-minute rest period to allow for the onset of the second dose. The second rest period will be followed by a second round of standardized oculomotor testing for 40 minutes. Participants will then return approximately 4 to 6 days to repeat the standardized oculomotor testing with placebo. Oxycodone: 5 mg tablet Placebo: Oxycodone-matched placebo tablet EyeLink 1000 Plus: Non-invasive video-based eye tracking system Oculo-Cognitive Addition test (OCAT): Subject will have to look for numbers on a screen and add these numbers together. OCAT will be presented on a computer screen with attached eye tracking device at the bottom part. VT3mini - Eye Tracking Technology for OEMs: Non-invasive eye-tracking device
6
Placebo, Then Oxycodone
Participants first receive initial dose of placebo 5 mg tablet followed by a 30-minute rest period to allow for onset of medication effect. This rest period will be followed by a set of standardized oculomotor testing for 40 minutes. After the initial testing, a second dose of placebo 5 mg tablet will be administered followed by a 30-minute rest period to allow for the onset of the second dose. The second rest period will be followed by a second round of standardized oculomotor testing for 40 minutes. Participants will then return approximately 4 to 6 days to repeat the standardized oculomotor testing with oxycodone. Oxycodone: 5 mg tablet Placebo: Oxycodone-matched placebo tablet EyeLink 1000 Plus: Non-invasive video-based eye tracking system Oculo-Cognitive Addition test (OCAT): Subject will have to look for numbers on a screen and add these numbers together. OCAT will be presented on a computer screen with attached eye tracking device at the bottom part. VT3mini - Eye Tracking Technology for OEMs: Non-invasive eye-tracking device
8
Total14

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event01
Overall StudyMissed last visit01

Baseline characteristics

CharacteristicOxycodone, Then PlaceboTotalPlacebo, Then Oxycodone
Age, Continuous29.5 years
STANDARD_DEVIATION 5.3
31.2 years
STANDARD_DEVIATION 7
32.6 years
STANDARD_DEVIATION 8.2
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants3 Participants1 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
4 Participants9 Participants5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants2 Participants2 Participants
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants1 Participants0 Participants
Race (NIH/OMB)
Asian
1 Participants1 Participants0 Participants
Race (NIH/OMB)
Black or African American
1 Participants1 Participants0 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants1 Participants1 Participants
Race (NIH/OMB)
White
3 Participants10 Participants7 Participants
Region of Enrollment
United States
6 participants14 participants8 participants
Sex: Female, Male
Female
1 Participants6 Participants5 Participants
Sex: Female, Male
Male
5 Participants8 Participants3 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 130 / 14
other
Total, other adverse events
1 / 130 / 14
serious
Total, serious adverse events
0 / 130 / 14

Outcome results

Primary

Diagonal Saccadic Velocity

measured in deg/s

Time frame: Baseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)

ArmMeasureGroupValue (MEAN)Dispersion
OxycodoneDiagonal Saccadic VelocityBaseline284.81 deg/sStandard Deviation 31.32
OxycodoneDiagonal Saccadic VelocityApprox. 30 minutes after initial 5 mg dose293.82 deg/sStandard Deviation 36.48
OxycodoneDiagonal Saccadic VelocityApprox. 30 minutes after second 5 mg dose281.42 deg/sStandard Deviation 31.95
PlaceboDiagonal Saccadic VelocityBaseline284.81 deg/sStandard Deviation 31.32
PlaceboDiagonal Saccadic VelocityApprox. 30 minutes after initial 5 mg dose277.44 deg/sStandard Deviation 44.99
PlaceboDiagonal Saccadic VelocityApprox. 30 minutes after second 5 mg dose285.74 deg/sStandard Deviation 25.84
Primary

Fixation Time - High Cognitive Workload

measure in milliseconds

Time frame: Baseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)

ArmMeasureGroupValue (MEAN)Dispersion
OxycodoneFixation Time - High Cognitive WorkloadBaseline1572.63 millisecondsStandard Deviation 303.23
OxycodoneFixation Time - High Cognitive WorkloadApprox. 30 minutes after initial 5 mg dose1644.75 millisecondsStandard Deviation 344.26
OxycodoneFixation Time - High Cognitive WorkloadApprox. 30 minutes after second 5 mg dose1564.34 millisecondsStandard Deviation 324.77
PlaceboFixation Time - High Cognitive WorkloadBaseline1572.63 millisecondsStandard Deviation 303.23
PlaceboFixation Time - High Cognitive WorkloadApprox. 30 minutes after initial 5 mg dose1641.86 millisecondsStandard Deviation 345.1
PlaceboFixation Time - High Cognitive WorkloadApprox. 30 minutes after second 5 mg dose1528.17 millisecondsStandard Deviation 419.64
Primary

Fixation Time - Low Cognitive Workload

measure in milliseconds

Time frame: Baseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)

ArmMeasureGroupValue (MEAN)Dispersion
OxycodoneFixation Time - Low Cognitive WorkloadBaseline1079.82 millisecondsStandard Deviation 187.66
OxycodoneFixation Time - Low Cognitive WorkloadApprox. 30 minutes after initial 5 mg dose1145.60 millisecondsStandard Deviation 239.89
OxycodoneFixation Time - Low Cognitive WorkloadApprox. 30 minutes after second 5 mg dose1132.70 millisecondsStandard Deviation 285.69
PlaceboFixation Time - Low Cognitive WorkloadBaseline1079.82 millisecondsStandard Deviation 187.66
PlaceboFixation Time - Low Cognitive WorkloadApprox. 30 minutes after initial 5 mg dose1198.86 millisecondsStandard Deviation 204.36
PlaceboFixation Time - Low Cognitive WorkloadApprox. 30 minutes after second 5 mg dose1073.96 millisecondsStandard Deviation 260.28
Primary

Fixation Time - Medium Cognitive Workload

measure in milliseconds

Time frame: Baseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)

ArmMeasureGroupValue (MEAN)Dispersion
OxycodoneFixation Time - Medium Cognitive WorkloadBaseline1316.45 millisecondsStandard Deviation 239.58
OxycodoneFixation Time - Medium Cognitive WorkloadApprox. 30 minutes after initial 5 mg dose1347.90 millisecondsStandard Deviation 236.69
OxycodoneFixation Time - Medium Cognitive WorkloadApprox. 30 minutes after second 5 mg dose1249.38 millisecondsStandard Deviation 329.62
PlaceboFixation Time - Medium Cognitive WorkloadBaseline1316.45 millisecondsStandard Deviation 239.58
PlaceboFixation Time - Medium Cognitive WorkloadApprox. 30 minutes after initial 5 mg dose1381.20 millisecondsStandard Deviation 286.5
PlaceboFixation Time - Medium Cognitive WorkloadApprox. 30 minutes after second 5 mg dose1264.03 millisecondsStandard Deviation 346.36
Primary

Horizontal Saccadic Velocity

measured in deg/s

Time frame: Baseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)

ArmMeasureGroupValue (MEAN)Dispersion
OxycodoneHorizontal Saccadic VelocityBaseline302.93 deg/sStandard Deviation 28.54
OxycodoneHorizontal Saccadic VelocityApprox. 30 minutes after initial 5 mg dose288.52 deg/sStandard Deviation 25.29
OxycodoneHorizontal Saccadic VelocityApprox. 30 minutes after second 5 mg dose289.74 deg/sStandard Deviation 32.77
PlaceboHorizontal Saccadic VelocityBaseline302.93 deg/sStandard Deviation 28.54
PlaceboHorizontal Saccadic VelocityApprox. 30 minutes after initial 5 mg dose283.77 deg/sStandard Deviation 27.21
PlaceboHorizontal Saccadic VelocityApprox. 30 minutes after second 5 mg dose286.66 deg/sStandard Deviation 23.57
Primary

Oculo-Cognitive Addition Test (OCAT) Completion Time

Time it takes participants to complete the OCAT measured in seconds.

Time frame: Baseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)

ArmMeasureGroupValue (MEAN)Dispersion
OxycodoneOculo-Cognitive Addition Test (OCAT) Completion TimeBaseline57.22 secondsStandard Deviation 10.23
OxycodoneOculo-Cognitive Addition Test (OCAT) Completion TimeApprox. 30 minutes after initial 5 mg dose59.56 secondsStandard Deviation 12.01
OxycodoneOculo-Cognitive Addition Test (OCAT) Completion TimeApprox. 30 minutes after second 5 mg dose56.12 secondsStandard Deviation 11.81
PlaceboOculo-Cognitive Addition Test (OCAT) Completion TimeBaseline57.22 secondsStandard Deviation 10.23
PlaceboOculo-Cognitive Addition Test (OCAT) Completion TimeApprox. 30 minutes after initial 5 mg dose58.18 secondsStandard Deviation 10.15
PlaceboOculo-Cognitive Addition Test (OCAT) Completion TimeApprox. 30 minutes after second 5 mg dose54.47 secondsStandard Deviation 12.66
Primary

Saccadic Latency

measured in seconds

Time frame: Baseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)

ArmMeasureGroupValue (MEAN)Dispersion
OxycodoneSaccadic LatencyBaseline0.40 secondsStandard Deviation 0.07
OxycodoneSaccadic LatencyApprox. 30 minutes after initial 5 mg dose0.45 secondsStandard Deviation 0.13
OxycodoneSaccadic LatencyApprox. 30 minutes after second 5 mg dose0.38 secondsStandard Deviation 0.08
PlaceboSaccadic LatencyBaseline0.40 secondsStandard Deviation 0.07
PlaceboSaccadic LatencyApprox. 30 minutes after initial 5 mg dose0.38 secondsStandard Deviation 0.08
PlaceboSaccadic LatencyApprox. 30 minutes after second 5 mg dose0.38 secondsStandard Deviation 0.1
Primary

Vertical Saccadic Velocity

measured in deg/s

Time frame: Baseline, post initial dose (approximately 30 minutes) and post second dose (approximately 30 minutes)

ArmMeasureGroupValue (MEAN)Dispersion
OxycodoneVertical Saccadic VelocityBaseline298.52 deg/sStandard Deviation 38.3
OxycodoneVertical Saccadic VelocityApprox. 30 minutes after initial 5 mg dose274.51 deg/sStandard Deviation 28.73
OxycodoneVertical Saccadic VelocityApprox. 30 minutes after second 5 mg dose309.83 deg/sStandard Deviation 126.58
PlaceboVertical Saccadic VelocityBaseline298.52 deg/sStandard Deviation 38.3
PlaceboVertical Saccadic VelocityApprox. 30 minutes after initial 5 mg dose272.93 deg/sStandard Deviation 48.12
PlaceboVertical Saccadic VelocityApprox. 30 minutes after second 5 mg dose276.21 deg/sStandard Deviation 27.38

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026