Topcon Corporation clinical trials
Part of TK Co., Ltd..
The registry lists 37 studies whose lead sponsor is Topcon Corporation or one of 1 company grouped under it. 0 are recruiting or about to start. Per ClinicalTrials.gov, last updated Sep 10, 2025.
Our grouping of 2 registry names, not the registry’s. See them and correct one ↓
- 37studies on the registry
- 0open to participants now
What it is testing
The drugs Topcon Corporation’s studies test, most studies first; none is open now — 1 drug with a page of their own. Each count opens the studies in search.
Studies, none open
- Riboflavin1 in phase 30 open · 1
All 37 at a glance
Where each study is in its life, its phase and its countries. Each count opens them in search.
Over the years
- 08
- 09
- 10
- 11
- 12
- 13
- 814
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 026
By the year each study started. 2026 so far in the lighter column.
Registry sponsor names on this page
Our grouping. This page groups the registry's lead sponsor names by company — our grouping, not the registry's. It can be wrong or incomplete: an acquired company whose name never mentions its owner may be missing. Use “Something wrong?” under any name below to correct it.
Tell us about a missing company
Each name exactly as ClinicalTrials.gov lists it, and how it relates to Topcon Corporation.
- Topcon Medical Systems, Inc.26 studies →Regional office
Something wrong?
- Topcon Corporation11 studiesSame company
Something wrong?
Studies
Recruiting first, then most recently updated. Showing 37 of 37.
- Screening ProtocolTerminatedNCT06135727
- Agreement and Precision StudyCompletedNCT06733428
- An Age-Stratified Data Collection Study to Establish a Normative Database Using the 3D Optical Coherence Tomography 3D OCT-1000 Mark IIWithdrawnNCT01027936
- TRK-3 Conformance to Standards for TonometersCompletedNCT06247072
- TRK-3 Performance of PachymetryCompletedNCT06250868
- OCT Angiography Software Evaluation StudyCompletedNCT04701931
- Topcon DRI OCT Triton With SS-OCT Angio Software Evaluation StudyCompletedNCT04201340
- Clinical Study of the Topcon Pachymeter TRK-3 to Evaluate Agreement and PrecisionCompletedNCT05283343
- Clinical Study of the Topcon Tonometer TRK-3CompletedNCT05167773
- Safety Study of the VEGA UV-A System to Treat KeratoconusTerminatedNCT01190306Phase 3
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Safety Study of the VEGA UV-A System to Treat EctasiaTerminatedNCT01398839Phase 3
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Safety and Effectiveness Study of the VEGA UV-A System for Cross-linking in Eyes With Keratoconus and EctasiaTerminatedNCT01398852Phase 3
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- TopQ Cut-off Score Validation Study for 3D OCT-1 MaestroCompletedNCT02447133
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Clinical Study of the Optic Disc ParametersCompletedNCT02277119Not applicable
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Topcon 3D OCT-1000 Optical Coherence Tomography SystemCompletedNCT00792259
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Clinical Validation of New OCT SystemCompletedNCT01809704
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Triton Reference DatabaseCompletedNCT03067675
- Retinal Fundus Camera EvaluationCompletedNCT02293174
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- NW500 Non-Mydriatic Retinal Camera Clinical Performance StudyCompletedNCT05286502
- Comparative Study of the Topcon Tonometers CT-800 and TRK-2P and the Haag-Streit Goldmann Manual Tonometer and Topcon SP-1PCompletedNCT03439774
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Evaluation of the Signal to Noise Ratio at Various Retinal LayersCompletedNCT02982174
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Topcon 3D OCT-1 Maestro Reference Database Study IICompletedNCT02447120
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Comparative Study of Specular Microscopes for Endothelial and Corneal Cell MeasurementsCompletedNCT02138266
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Triton Agreement and Precision StudyCompletedNCT03080714
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Triton Fundus Autofluorescence and Fluorescein AngiographyCompletedNCT03107104
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Slit Lamp and Digital Camera AttachmentCompletedNCT02444039
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Maestro Agreement and Precision Study IICompletedNCT02376868
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- TopQ Cut-off Determination Study For 3D-OCT 1 Maestro and 3D OCT-2000CompletedNCT02203981
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- OCT Agreement and Precision StudyCompletedNCT02045823
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Comparative Study of Non-contact Tonometers for Intraocular Pressure and Corneal Cell Thickness MeasurementsCompletedNCT02138279
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Second Comparative Study of Specular Microscopes for Endothelial and Corneal Cell MeasurementsCompletedNCT02427256
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- OCT Reference DatabaseCompletedNCT01986478
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- TopQ Cutoff Threshold Validation Study for DRI OCT Triton PlusCompletedNCT03022383
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Non-Invasive Imaging of the Human EyeWithdrawnNCT02432898
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- Slit Lamp Model SL-D-301 and DC-4 Digital Camera AttachmentCompletedNCT02851147
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- TopQ Cut-Off Determination StudyCompletedNCT01824784
Sponsor listed in the registry: Topcon Medical Systems, Inc.
- OCT Image Quality Performance EvaluationWithdrawnNCT02991027Not applicable
Sponsor listed in the registry: Topcon Medical Systems, Inc.