Retrospective NIS to Evaluate the Patient Benefit of TES

NCT ID: NCT04983914

Last Updated: 2022-08-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Total Enrollment

49 participants

Study Classification

OBSERVATIONAL

Study Start Date

2021-09-06

Study Completion Date

2022-08-19

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

In this retrospective non-interventional study (NIS), the subjective and objective benefit of patients with retinitis pigmentosa (and other dystrophies like Usher, Choroideremia or cone-rod dystrophy), who have been prescribed the therapy of transcorneal electrostimulation (TcES) with the OkuStim System, is assessed.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

The medical device OkuStim received the CE mark (a symbol of free marketability in the European Economic Area) in 2011 and is commercially available for patients in Europe since 2014. Since then, patients with retinitis pigmentosa and other dystrophies have regularly applied the therapy of transcorneal electrostimulation (TcES) with OkuStim. So far, the benefits of the therapy and the experiences of the patients with regular, multi-year use have not been systematically recorded.

In this retrospective non-interventional study (NIS) with patients which have been using TcES since \>1 year, data present for visual field, best-corrected visual acuity (BCVA) and central foveal thickness (as assessed via OCT) is collected. In addition, reasons for discontinuation of therapy and patient satisfaction with TcES are assessed via a questionnaire. Side-effects are also recorded, if present in the patient files.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Retinitis Pigmentosa

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Transcorneal Electrostimulation via OkuStim System

Transcorneal electrostimulation, usually applied once per week for 30 min (home-use).

Intervention Type DEVICE

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

TcES TES OkuStim

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Use of TcES for \>1year
* Willing and able to consent

Exclusion Criteria

* Not willing and able to consent
Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

CONET GmbH - Clinical Operations Network

UNKNOWN

Sponsor Role collaborator

Okuvision GmbH

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Hendrik Scholl, Prof. Dr.

Role: PRINCIPAL_INVESTIGATOR

Department of Ophthalmology, University of Basel, Switzerland

Katarina Stingl, Prof. Dr.

Role: PRINCIPAL_INVESTIGATOR

University Eye Hospital Tuebingen, Tuebingen, Germany

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Universitätsklinikum Heidelberg, Augenklinik

Heidelberg, , Germany

Site Status

Klinikum Stuttgart gKAöR, Augenklinik Standort Mitte (Katharinenhospital)

Stuttgart, , Germany

Site Status

Universitäts-Augenklinik Tübingen, Abt. für Augenheilkunde

Tübingen, , Germany

Site Status

Universitätsspital Basel, Augenklinik

Basel, , Switzerland

Site Status

Countries

Review the countries where the study has at least one active or historical site.

Germany Switzerland

References

Explore related publications, articles, or registry entries linked to this study.

Zabek O, Camenzind Zuche H, Muller U, Scholl HPN, Rickmann A, Della Volpe Waizel M. Optical coherence tomography angiography findings in patients undergoing transcorneal electrical stimulation for treating retinitis pigmentosa. Graefes Arch Clin Exp Ophthalmol. 2021 May;259(5):1167-1177. doi: 10.1007/s00417-020-04963-7. Epub 2020 Oct 10.

Reference Type BACKGROUND
PMID: 33037922 (View on PubMed)

Jolly JK, Wagner SK, Martus P, MacLaren RE, Wilhelm B, Webster AR, Downes SM, Charbel Issa P, Kellner U, Jagle H, Ruther K, Bertelsen M, Bragadottir R, Prener Holtan J, van den Born LI, Sodi A, Virgili G, Gosheva M, Pach J, Zundorf I, Zrenner E, Gekeler F. Transcorneal Electrical Stimulation for the Treatment of Retinitis Pigmentosa: A Multicenter Safety Study of the OkuStim(R) System (TESOLA-Study). Ophthalmic Res. 2020;63(3):234-243. doi: 10.1159/000505001. Epub 2019 Nov 26.

Reference Type BACKGROUND
PMID: 31775146 (View on PubMed)

Schatz A, Pach J, Gosheva M, Naycheva L, Willmann G, Wilhelm B, Peters T, Bartz-Schmidt KU, Zrenner E, Messias A, Gekeler F. Transcorneal Electrical Stimulation for Patients With Retinitis Pigmentosa: A Prospective, Randomized, Sham-Controlled Follow-up Study Over 1 Year. Invest Ophthalmol Vis Sci. 2017 Jan 1;58(1):257-269. doi: 10.1167/iovs.16-19906.

Reference Type BACKGROUND
PMID: 28114587 (View on PubMed)

Schatz A, Rock T, Naycheva L, Willmann G, Wilhelm B, Peters T, Bartz-Schmidt KU, Zrenner E, Messias A, Gekeler F. Transcorneal electrical stimulation for patients with retinitis pigmentosa: a prospective, randomized, sham-controlled exploratory study. Invest Ophthalmol Vis Sci. 2011 Jun 23;52(7):4485-96. doi: 10.1167/iovs.10-6932.

Reference Type BACKGROUND
PMID: 21467183 (View on PubMed)

Sinim Kahraman N, Oner A. Effect of Transcorneal Electrical Stimulation on Patients with Retinitis Pigmentosa. J Ocul Pharmacol Ther. 2020 Oct;36(8):609-617. doi: 10.1089/jop.2020.0017. Epub 2020 May 19.

Reference Type BACKGROUND
PMID: 32429728 (View on PubMed)

Della Volpe-Waizel M, Zuche HC, Muller U, Rickmann A, Scholl HPN, Todorova MG. Metabolic monitoring of transcorneal electrical stimulation in retinitis pigmentosa. Graefes Arch Clin Exp Ophthalmol. 2020 Jan;258(1):79-87. doi: 10.1007/s00417-019-04522-9. Epub 2019 Nov 12.

Reference Type BACKGROUND
PMID: 31713752 (View on PubMed)

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

TES-NIS2021

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

Use of the VisuMax™ Femtosecond Laser
NCT01638390 COMPLETED PHASE1