Study to Evaluate the Efficacy of SDP-4 in Subjects With Dry Eye Disease (DED) (SDP-4-CS202)
Public ClinicalTrials.gov record NCT04535947. 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.
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, Study of SDP-4 Ophthalmic Solution in Subjects With Dry Eye Disease (DED)
Study identification
- NCT ID
- NCT04535947
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Silk Technologies, Ltd.
- Industry
- Enrollment
- 153 participants
Conditions and interventions
Conditions
Interventions
- Vehicle Drug
- SDP-4 Ophthalmic Solution (1.0%) Drug
Drug
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
- Aug 13, 2020
- Primary completion
- Feb 9, 2021
- Completion
- Feb 9, 2021
- Last update posted
- Aug 31, 2022
2020 – 2021
United States locations
- U.S. sites
- 5
- U.S. states
- 3
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Orange County Ophthalmology Medical Group | Garden Grove | California | 92843 | — |
| LoBue Laser and Eye Medical Center | Murrieta | California | 92562 | — |
| Eye Research Foundation | Newport Beach | California | 92663 | — |
| Ophthalmology Associates | St Louis | Missouri | 63131 | — |
| Total Eye Care | Memphis | Tennessee | 38119 | — |
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 NCT04535947, 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 Aug 31, 2022 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04535947 live on ClinicalTrials.gov.