Trial Outcomes & Findings for Study to Evaluate the Efficacy of SDP-4 in Subjects With Dry Eye Disease (DED) (SDP-4-CS202) (NCT NCT04535947)

NCT ID: NCT04535947

Last Updated: 2022-09-01

Results Overview

Mean change from baseline in total SANDE at Visit 5/Day 56 The SANDE questionnaire contained two questions regarding the frequency and severity of DED symptoms, with a total score being the square root of the frequency score times the square root of the severity score (range 0 100). A higher score indicates more severe DED symptoms.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

153 participants

Primary outcome timeframe

56 days

Results posted on

2022-09-01

Participant Flow

Participant milestones

Participant milestones
Measure
Vehicle
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Overall Study
STARTED
76
77
Overall Study
COMPLETED
72
72
Overall Study
NOT COMPLETED
4
5

Reasons for withdrawal

Reasons for withdrawal
Measure
Vehicle
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Overall Study
Adverse Event
1
4
Overall Study
Other reasons not specified
2
0
Overall Study
Withdrawal by Subject
1
1

Baseline Characteristics

Study to Evaluate the Efficacy of SDP-4 in Subjects With Dry Eye Disease (DED) (SDP-4-CS202)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Vehicle
n=76 Participants
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=77 Participants
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Total
n=153 Participants
Total of all reporting groups
Age, Continuous
61.6 years
STANDARD_DEVIATION 15.18 • n=5 Participants
58.8 years
STANDARD_DEVIATION 14.95 • n=7 Participants
60.2 years
STANDARD_DEVIATION 15.08 • n=5 Participants
Sex: Female, Male
Female
52 Participants
n=5 Participants
55 Participants
n=7 Participants
107 Participants
n=5 Participants
Sex: Female, Male
Male
24 Participants
n=5 Participants
22 Participants
n=7 Participants
46 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
9 Participants
n=5 Participants
14 Participants
n=7 Participants
23 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
67 Participants
n=5 Participants
63 Participants
n=7 Participants
130 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
13 Participants
n=5 Participants
12 Participants
n=7 Participants
25 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
8 Participants
n=5 Participants
10 Participants
n=7 Participants
18 Participants
n=5 Participants
Race (NIH/OMB)
White
54 Participants
n=5 Participants
54 Participants
n=7 Participants
108 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Iris Color
Blue
20 Participants
n=5 Participants
11 Participants
n=7 Participants
31 Participants
n=5 Participants
Iris Color
Brown
42 Participants
n=5 Participants
45 Participants
n=7 Participants
87 Participants
n=5 Participants
Iris Color
Green
3 Participants
n=5 Participants
6 Participants
n=7 Participants
9 Participants
n=5 Participants
Iris Color
Hazel
11 Participants
n=5 Participants
15 Participants
n=7 Participants
26 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 56 days

Mean change from baseline in total SANDE at Visit 5/Day 56 The SANDE questionnaire contained two questions regarding the frequency and severity of DED symptoms, with a total score being the square root of the frequency score times the square root of the severity score (range 0 100). A higher score indicates more severe DED symptoms.

Outcome measures

Outcome measures
Measure
Vehicle
n=72 Participants
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=72 Participants
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Symptom Assessment in Dry Eye (SANDE) Questionnaire
Screening
58.95 units on a scale
Standard Deviation 6.635
57.21 units on a scale
Standard Deviation 7.850
Symptom Assessment in Dry Eye (SANDE) Questionnaire
Day 56
-18.80 units on a scale
Standard Deviation 22.288
-16.60 units on a scale
Standard Deviation 19.075

SECONDARY outcome

Timeframe: 56 days

Mean and mean change from baseline at each visit Reported on a scale of 0-15 with values greater than 3 indicating abnormal incidence of corneal surface irregularity.

Outcome measures

Outcome measures
Measure
Vehicle
n=72 Participants
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=72 Participants
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Corneal Fluorescein Staining
Screening
0.68 units on a scale
Standard Deviation 0.697
0.74 units on a scale
Standard Deviation 0.696
Corneal Fluorescein Staining
Day 14
-0.21 units on a scale
Standard Deviation 0.664
-0.04 units on a scale
Standard Deviation 0.772
Corneal Fluorescein Staining
Day 28
-0.15 units on a scale
Standard Deviation 0.660
-0.22 units on a scale
Standard Deviation 0.809
Corneal Fluorescein Staining
Day 56
-0.15 units on a scale
Standard Deviation 0.725
-0.24 units on a scale
Standard Deviation 0.682

SECONDARY outcome

Timeframe: 56 days

Mean and mean change from baseline at each visit

Outcome measures

Outcome measures
Measure
Vehicle
n=72 Participants
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=72 Participants
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Tear Breakup Time
Day 1
3.75 seconds
Standard Deviation 1.104
3.80 seconds
Standard Deviation 0.990
Tear Breakup Time
Day 14
1.06 seconds
Standard Deviation 2.570
1.42 seconds
Standard Deviation 2.850
Tear Breakup Time
Day 28
2.00 seconds
Standard Deviation 2.596
1.95 seconds
Standard Deviation 4.069
Tear Breakup Time
Day 56
1.77 seconds
Standard Deviation 2.865
1.80 seconds
Standard Deviation 2.419

SECONDARY outcome

Timeframe: 56 days

Mean and mean change from baseline at each visit Reported on a scale of 0-15 with values greater than 3 indicating abnormal incidence of conjunctival surface irregularity.

Outcome measures

Outcome measures
Measure
Vehicle
n=72 Participants
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=72 Participants
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Conjunctival Hyperemia
Day 1 Baseline
0.80 units on a scale
Standard Deviation 0.833
0.91 units on a scale
Standard Deviation 0.948
Conjunctival Hyperemia
Day 14
0.00 units on a scale
Standard Deviation 0.520
0.01 units on a scale
Standard Deviation 0.425
Conjunctival Hyperemia
Day 28
-0.07 units on a scale
Standard Deviation 0.608
-0.03 units on a scale
Standard Deviation 0.530
Conjunctival Hyperemia
Day 56
0.03 units on a scale
Standard Deviation 0.604
-0.06 units on a scale
Standard Deviation 0.554

SECONDARY outcome

Timeframe: 56 days

Mean and mean change from baseline at final visit as measured on a scale from 0 to 100, where higher scores indicate a worse outcome

Outcome measures

Outcome measures
Measure
Vehicle
n=72 Participants
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=72 Participants
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Individual Symptom Visual Analog Scale (VAS) Scores, Separately for Each Symptom (Burning / Stinging)
-7.89 units on a scale
Standard Deviation 22.985
-17.06 units on a scale
Standard Deviation 23.356

SECONDARY outcome

Timeframe: 56 days

Mean and mean change from baseline at final visit as measured on a scale from 0 to 100, where higher scores indicate a worse outcome

Outcome measures

Outcome measures
Measure
Vehicle
n=72 Participants
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=72 Participants
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Individual Symptom Visual Analog Scale (VAS) Scores, Separately for Each Symptom (Eye Discomfort)
-12.10 units on a scale
Standard Deviation 21.195
-13.18 units on a scale
Standard Deviation 22.283

SECONDARY outcome

Timeframe: 56 days

Mean and mean change from baseline at final visit as measured on a scale from 0 to 100, where higher scores indicate a worse outcome

Outcome measures

Outcome measures
Measure
Vehicle
n=72 Participants
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=72 Participants
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Individual Symptom Visual Analog Scale (VAS) Scores, Separately for Each Symptom (Eye Dryness)
-17.97 units on a scale
Standard Deviation 24.768
-18.38 units on a scale
Standard Deviation 20.921

SECONDARY outcome

Timeframe: 56 days

Mean and mean change from baseline at final visit as measured on a scale from 0 to 100, where higher scores indicate a worse outcome

Outcome measures

Outcome measures
Measure
Vehicle
n=72 Participants
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=72 Participants
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Individual Symptom Visual Analog Scale (VAS) Scores, Separately for Each Symptom (Eye Pain)
-6.94 units on a scale
Standard Deviation 21.200
-6.47 units on a scale
Standard Deviation 23.400

SECONDARY outcome

Timeframe: 56 days

Mean and mean change from baseline at final visit as measured on a scale from 0 to 100, where higher scores indicate a worse outcome

Outcome measures

Outcome measures
Measure
Vehicle
n=72 Participants
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=72 Participants
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Individual Symptom Visual Analog Scale (VAS) Scores, Separately for Each Symptom (Fluctuating Vision)
-6.17 units on a scale
Standard Deviation 20.025
-8.11 units on a scale
Standard Deviation 20.654

SECONDARY outcome

Timeframe: 56 days

Mean and mean change from baseline at final visit as measured on a scale from 0 to 100, where higher scores indicate a worse outcome

Outcome measures

Outcome measures
Measure
Vehicle
n=72 Participants
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=72 Participants
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Individual Symptom Visual Analog Scale (VAS) Scores, Separately for Each Symptom (Foreign Body Sensation)
-6.94 units on a scale
Standard Deviation 20.567
-10.58 units on a scale
Standard Deviation 20.031

SECONDARY outcome

Timeframe: 56 days

Mean and mean change from baseline at final visit as measured on a scale from 0 to 100, where higher scores indicate a worse outcome

Outcome measures

Outcome measures
Measure
Vehicle
n=72 Participants
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=72 Participants
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Individual Symptom Visual Analog Scale (VAS) Scores, Separately for Each Symptom (Itching)
-13.81 units on a scale
Standard Deviation 24.411
-9.75 units on a scale
Standard Deviation 22.890

SECONDARY outcome

Timeframe: 56 days

Mean and mean change from baseline at final visit as measured on a scale from 0 to 100, where higher scores indicate a worse outcome

Outcome measures

Outcome measures
Measure
Vehicle
n=72 Participants
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=72 Participants
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Individual Symptom Visual Analog Scale (VAS) Scores, Separately for Each Symptom (Photophobia)
-12.69 units on a scale
Standard Deviation 21.512
-10.43 units on a scale
Standard Deviation 22.143

Adverse Events

Vehicle

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

SDP-4 Ophthalmic Solution (1.0%)

Serious events: 1 serious events
Other events: 8 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Vehicle
n=76 participants at risk
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=77 participants at risk
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Eye disorders
Detached Retina
0.00%
0/76 • 56 days
1.3%
1/77 • Number of events 1 • 56 days

Other adverse events

Other adverse events
Measure
Vehicle
n=76 participants at risk
Vehicle Vehicle: Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
SDP-4 Ophthalmic Solution (1.0%)
n=77 participants at risk
Active SDP-4 Ophthalmic Solution (1.0%): Investigational product (IP) will be administered via topical ocular instillation, one drop per eye, twice daily (BID) for 8 weeks (56 days). Both eyes will be treated.
Eye disorders
Eye Pain
0.00%
0/76 • 56 days
1.3%
1/77 • Number of events 1 • 56 days
General disorders
Installation Site Pain
6.6%
5/76 • Number of events 10 • 56 days
5.2%
4/77 • Number of events 8 • 56 days
Eye disorders
Blepharitis
1.3%
1/76 • Number of events 2 • 56 days
1.3%
1/77 • Number of events 1 • 56 days
Eye disorders
Conjunctivitis Allergic
0.00%
0/76 • 56 days
1.3%
1/77 • Number of events 2 • 56 days
Eye disorders
Cystoid macular oedema
0.00%
0/76 • 56 days
1.3%
1/77 • Number of events 1 • 56 days
Eye disorders
Eyelid Oedema
0.00%
0/76 • 56 days
1.3%
1/77 • Number of events 1 • 56 days
Eye disorders
Eyelid Ptosis
0.00%
0/76 • 56 days
1.3%
1/77 • Number of events 1 • 56 days
Eye disorders
Retinal Detachment
0.00%
0/76 • 56 days
1.3%
1/77 • Number of events 1 • 56 days
Eye disorders
Vision Blurred
0.00%
0/76 • 56 days
1.3%
1/77 • Number of events 1 • 56 days
Eye disorders
Visual Acuity Reduced
0.00%
0/76 • 56 days
1.3%
1/77 • Number of events 1 • 56 days
General disorders
Installation Site Discomfort
2.6%
2/76 • Number of events 4 • 56 days
1.3%
1/77 • Number of events 2 • 56 days

Additional Information

Brian Lawrence

SilkTech Biopharmaceuticals

Phone: 6172720691

Results disclosure agreements

  • Principal investigator is a sponsor employee All information concerning SDP-4 and the operations of Silk Technologies, such as patent applications, formulas, manufacturing processes, basic scientific data or formulation information not previously published, are considered CONFIDENTIAL and shall remain the sole property of Silk Technologies. The Investigator agrees to use this information only in accomplishing this study and will not use it for other purposes without the written consent of Silk Technologies
  • Publication restrictions are in place

Restriction type: OTHER