Trial Outcomes & Findings for Side Effects of Atropine (SEA) Study (NCT NCT03593044)

NCT ID: NCT03593044

Last Updated: 2022-12-02

Results Overview

Change in pupil size between baseline visit and follow up visit (after one week on treatment) in millimeters to the nearest tenth of a millimeter

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

31 participants

Primary outcome timeframe

Baseline (before) and one week after beginning treatment with drops

Results posted on

2022-12-02

Participant Flow

Subjects aged 22 to 26 years were enrolled in the study from July 2018 to January 2019.

Participant milestones

Participant milestones
Measure
One Week Atropine
0.01% concentration atropine drops 0.01% concentration atropine drops: One drop of 0.01% concentration atropine in each eye at night for seven days.
Overall Study
STARTED
31
Overall Study
COMPLETED
31
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Side Effects of Atropine (SEA) Study

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
One Week Atropine
n=31 Participants
0.01% concentration atropine drops 0.01% concentration atropine drops: One drop of 0.01% concentration atropine in each eye at night for seven days.
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
31 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
Age, Continuous
23.9 years
STANDARD_DEVIATION 1.6 • n=5 Participants
Sex: Female, Male
Female
22 Participants
n=5 Participants
Sex: Female, Male
Male
9 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
31 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
5 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
1 Participants
n=5 Participants
Race (NIH/OMB)
White
25 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Region of Enrollment
United States
31 participants
n=5 Participants
Spherical equivalent manifest refraction
-3.12 diopters
STANDARD_DEVIATION 2.87 • n=5 Participants
Eye color
Brown
12 Participants
n=5 Participants
Eye color
Blue
11 Participants
n=5 Participants
Eye color
Green
7 Participants
n=5 Participants
Eye color
Hazel
1 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline (before) and one week after beginning treatment with drops

Change in pupil size between baseline visit and follow up visit (after one week on treatment) in millimeters to the nearest tenth of a millimeter

Outcome measures

Outcome measures
Measure
One Week Atropine
n=31 Participants
0.01% concentration atropine drops 0.01% concentration atropine drops: One drop of 0.01% concentration atropine in each eye at night for seven days.
Diameter of the Pupil Measured With a Neuroptix Pupillometer
Photopic pupil size before administration of drops
4.9 millimeters
Standard Deviation 0.8
Diameter of the Pupil Measured With a Neuroptix Pupillometer
Photopic pupil size after administration of drops for one week
5.1 millimeters
Standard Deviation 0.6
Diameter of the Pupil Measured With a Neuroptix Pupillometer
Mesopic pupil size before administration of drops
5.9 millimeters
Standard Deviation 0.66
Diameter of the Pupil Measured With a Neuroptix Pupillometer
Mesopic pupil size after administration of drops for one week
5.9 millimeters
Standard Deviation 0.7

PRIMARY outcome

Timeframe: Baseline (before) and one week after beginning treatment with drops

Investigators will measure the change in high contrast distance and near logMAR visual acuity and low contrast distance logMAR visual acuity between baseline visit and follow up visit (after one week on treatment).

Outcome measures

Outcome measures
Measure
One Week Atropine
n=31 Participants
0.01% concentration atropine drops 0.01% concentration atropine drops: One drop of 0.01% concentration atropine in each eye at night for seven days.
Visual Acuity With Bailey-Lovie logMAR Visual Acuity Charts
High contrast distance visual acuity after administration of drops for one week
-0.1 logMAR
Standard Deviation 0.1
Visual Acuity With Bailey-Lovie logMAR Visual Acuity Charts
High contrast near visual acuity before drops
-0.2 logMAR
Standard Deviation 0.1
Visual Acuity With Bailey-Lovie logMAR Visual Acuity Charts
High contrast near visual acuity adter administration of drops for one week
-0.2 logMAR
Standard Deviation 0.1
Visual Acuity With Bailey-Lovie logMAR Visual Acuity Charts
High contrast distance visual acuity before drops
-0.1 logMAR
Standard Deviation 0.1
Visual Acuity With Bailey-Lovie logMAR Visual Acuity Charts
Low contrast visual acuity before drops
0.0 logMAR
Standard Deviation 0.1
Visual Acuity With Bailey-Lovie logMAR Visual Acuity Charts
Low contrast visual acuity after administration of drops for one week
0.0 logMAR
Standard Deviation 0.1

SECONDARY outcome

Timeframe: One week after beginning treatment with drops

Investigators will measure the change in near point of accommodation (how close an object can be seen clearly) in centimeters and accommodative lag (error of focusing on near objects) in diopters.

Outcome measures

Outcome measures
Measure
One Week Atropine
n=31 Participants
0.01% concentration atropine drops 0.01% concentration atropine drops: One drop of 0.01% concentration atropine in each eye at night for seven days.
Eye Focusing Measured by the Closest One Can Read a Letter and Focusing Accuracy Measured by an Autorefractor
Accommodative amplitude before drops
8.1 diopters
Standard Deviation 1.2
Eye Focusing Measured by the Closest One Can Read a Letter and Focusing Accuracy Measured by an Autorefractor
Accommodative amplitude after administration of drops for one week
8.5 diopters
Standard Deviation 1.3
Eye Focusing Measured by the Closest One Can Read a Letter and Focusing Accuracy Measured by an Autorefractor
Accommodative lag before drops
-0.8 diopters
Standard Deviation 1.7
Eye Focusing Measured by the Closest One Can Read a Letter and Focusing Accuracy Measured by an Autorefractor
Accommodative lag after administration of drops for one week
-0.9 diopters
Standard Deviation 0.8
Eye Focusing Measured by the Closest One Can Read a Letter and Focusing Accuracy Measured by an Autorefractor
Accommodative facility before drops
13.6 diopters
Standard Deviation 4
Eye Focusing Measured by the Closest One Can Read a Letter and Focusing Accuracy Measured by an Autorefractor
Accommodative facility after administration of drops for one week
14.0 diopters
Standard Deviation 3.8

SECONDARY outcome

Timeframe: Baseline (before) and one week after beginning treatment with drops

Each of the below scores are from an individual question that was answered before taking atropine drops and after taking atropine drops nightly for one week. Glare: 1 (good) to 10 (perfect); 10 is best Ghost images: 1 (good) to 10 (perfect); 10 is best Straing/tiredness: 1 (good) to 10 (perfect); 10 is best Changing vision: 1 (good) to 10 (perfect); 10 is best Headache frequency: 1 (very infrequent) to 10 (very frequent); 1 is best Distance clarity: 1 (good) to 10 (perfect): 10 is best Computer clarity: 1 (good) to 10 (perfect); 10 is best Small print clarity: 1 (good) to 10 (perfect); 10 is best Sports/hobbies vision: 1 (good) to 10 (perfect); 10 is best Overall vision: 1 (good) to 10 (perfect); 10 is best Light sensitivity: 1 (not sensitive at all) to 10 (very sensitive); 10 is best Discomfort during bright light: 1 (no discomfort) to 10 (extreme discomfort); 1 is best

Outcome measures

Outcome measures
Measure
One Week Atropine
n=31 Participants
0.01% concentration atropine drops 0.01% concentration atropine drops: One drop of 0.01% concentration atropine in each eye at night for seven days.
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Glare before drops
8.7 score on a question from 1 to 10
Standard Deviation 1.9
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Changing vision before drops
9.4 score on a question from 1 to 10
Standard Deviation 1.2
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Small print clarity before drops
9.5 score on a question from 1 to 10
Standard Deviation 1.1
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Overall vision after drops
9.1 score on a question from 1 to 10
Standard Deviation 0.9
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Light sensitivity after drops
3.1 score on a question from 1 to 10
Standard Deviation 2.5
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Discomfort during bright light before drops
2.7 score on a question from 1 to 10
Standard Deviation 1.9
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Discomfort during bright light after drops
2.0 score on a question from 1 to 10
Standard Deviation 1.7
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Glare after drops
9.0 score on a question from 1 to 10
Standard Deviation 1.3
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Ghost images before drops
9.8 score on a question from 1 to 10
Standard Deviation 0.9
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Ghost images after drops
9.7 score on a question from 1 to 10
Standard Deviation 0.7
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Strain/tiredness before drops
8.3 score on a question from 1 to 10
Standard Deviation 1.5
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
strain/tiredness after drops
8.7 score on a question from 1 to 10
Standard Deviation 1.6
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Changing vision after drops
9.4 score on a question from 1 to 10
Standard Deviation 0.9
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Headache frequency before drops
1.6 score on a question from 1 to 10
Standard Deviation 0.5
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Headache frequency after drops
1.7 score on a question from 1 to 10
Standard Deviation 0.5
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Distance clarity before drops
8.8 score on a question from 1 to 10
Standard Deviation 1.5
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Distance clarity after drops
8.7 score on a question from 1 to 10
Standard Deviation 1.2
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Computer clarity before drops
9.5 score on a question from 1 to 10
Standard Deviation 0.8
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Computer clarity after drops
9.3 score on a question from 1 to 10
Standard Deviation 1.0
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Small print clarity after drops
9.1 score on a question from 1 to 10
Standard Deviation 1.0
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Vision during sports/hobbies before drops
9.6 score on a question from 1 to 10
Standard Deviation 0.6
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Vision during sports/hobbies after drops
9.6 score on a question from 1 to 10
Standard Deviation 0.6
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Overall vision before drops
9.4 score on a question from 1 to 10
Standard Deviation 1.0
Change in Subjective Assessment of Potential Side Effects by Asking the Same Questions Before and After Administration of Eye Drops.
Light sensitivity before drops
2.8 score on a question from 1 to 10
Standard Deviation 2.5

SECONDARY outcome

Timeframe: Baseline (before) and one week after beginning treatment with drops

We will measure the change in eye pressure between baseline visit and follow up visit (after one week on treatment) measured with Tonopen and recorded in mmHg.

Outcome measures

Outcome measures
Measure
One Week Atropine
n=31 Participants
0.01% concentration atropine drops 0.01% concentration atropine drops: One drop of 0.01% concentration atropine in each eye at night for seven days.
Change in Intraocular Pressure Using a Tonopen
Intraocular pressure of left eyes before drops
15.7 millimeters Mercury
Standard Deviation 2.8
Change in Intraocular Pressure Using a Tonopen
Intraocular pressure of right eyes before drops
15.5 millimeters Mercury
Standard Deviation 2.9
Change in Intraocular Pressure Using a Tonopen
Intraocular pressure of right eyes after administration of drops for one week
17.0 millimeters Mercury
Standard Deviation 2.8
Change in Intraocular Pressure Using a Tonopen
Intraocular pressure of left eyes after administration of drops for one week
16.4 millimeters Mercury
Standard Deviation 3.1

SECONDARY outcome

Timeframe: Baseline (before) and one week after beginning treatment with drops

Investigators will measure accommodative facility (ability to change focus from far to near) in number of cycles between baseline visit and follow up visit (after one week on treatment).

Outcome measures

Outcome measures
Measure
One Week Atropine
n=31 Participants
0.01% concentration atropine drops 0.01% concentration atropine drops: One drop of 0.01% concentration atropine in each eye at night for seven days.
Ability to Change Focus From Far to Near Measured by Stimulating and Relaxing Focus of the Eyes as Many Times as Possible in One Minute.
Accommodative facility before drops
13.6 cycles per minute
Standard Deviation 4
Ability to Change Focus From Far to Near Measured by Stimulating and Relaxing Focus of the Eyes as Many Times as Possible in One Minute.
Accommodative facility after administering drops for one week
14.0 cycles per minute
Standard Deviation 3.8

Adverse Events

One Week Atropine

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. Jeffrey Walline

The Ohio State University College of Optometry

Phone: (614) 247-6840

Results disclosure agreements

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