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Completed Phase 2 Interventional Results available

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

ClinicalTrials.gov ID: NCT03889886

Public ClinicalTrials.gov record NCT03889886. 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 8, 2026, 12:24 AM EDT

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

Official title

A Phase 2, Multicenter, Double-Masked, Randomized, Vehicle-Controlled, Parallel Group, Dose-Response Study of SDP-4 Ophthalmic Solution in Subjects With Dry Eye Disease (DED)

Brief summary

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

SDP-4-CS201, is a Phase 2, multi-center, double-masked, randomized, vehicle-controlled, dose-response, parallel-group study designed to evaluate the ocular and systemic safety and efficacy of SDP-4 ophthalmic solution in subjects with moderate to severe dry eye disease over a 12-week treatment period. Three concentrations (0.1%, 1.0% and 3.0%) of SDP-4 ophthalmic solution will be given to parallel groups via topical ocular instillation BID.

Study identification

NCT ID
NCT03889886
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Silk Technologies, Ltd.
Industry
Enrollment
305 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

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

Study timeline

Start date
Apr 15, 2019
Primary completion
Oct 6, 2019
Completion
Oct 10, 2019
Last update posted
Sep 1, 2022

2019

United States locations

U.S. sites
26
U.S. states
10
U.S. cities
25
Facility City State ZIP Site status
Canyon City Eyecare Azusa California 91702
Orange County Ophthalmology Medical Group Garden Grove California 92843
North Valley Eye Medical Group Mission Hills California 91345
LoBue Laser and Eye Medical Center Murrieta California 92562
Eye Research Foundation Newport Beach California 92663
North Bay Eye Associates Petaluma California 94954
Grutzmacher & Lewis, A Medical Corporation DBA Sacramento Eye Consultants Sacramento California 95815
Danbury Eye Physicians and Surgeons, PC Danbury Connecticut 06810
Hernando Eye Institute Brooksville Florida 34615
Eye Associates of Fort Myers Fort Myers Florida 33901
Shettle Eye Research Largo Florida 33773
West Coast Eye Institute Lecanto Florida 34461
Clayton Eye Clinical Research, LLC Morrow Georgia 30260
Coastal Research Associates Roswell Georgia 30076
Kannarr Eye Care Pittsburg Kansas 66762
Heart of America Eye Care, P.A. Shawnee Mission Kansas 66204
Ophthalmology Associates St Louis Missouri 63131
Comprehensive Eye Care Ltd Washington Missouri 63090
Wake Forest Health Network Ophthalmology- Oak Hollow High Point North Carolina 27262
Drs. Quinn, Foster & Associates Athens Ohio 45701
Abrams Eye Center Cleveland Ohio 44115
Total Eye Care Memphis Tennessee 38119
Eye Specialty Group Memphis Tennessee 38120
Nashville Vision Associates Nashville Tennessee 37205
Texan Eye / Keystone Research, Ltd. Austin Texas 78731
Medical Center Ophth Assoc / Keystone Research San Antonio Texas 78240

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03889886, 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 Sep 1, 2022 · Synced Sep 8, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03889886 live on ClinicalTrials.gov.

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