Display again
NCT04014933 | SNCTP000003347

Reproduzierbarkeit der Messung des Blutflusses in der menschlichen Netzhaut mittels Laser Speckle Flowgraphy System durch das Nidek LSFG-NAVI Gerät.

Data source: BASEC (Imported from 19.11.2019), WHO (Imported from 17.11.2019)
Changed: 28.07.2019
Disease category: Augenkrankheiten

Brief description of trial (Source of data: BASEC)

Wir wollen herausfinden, ob die Messungen mit dem LSFG-Navi Gerät vertrauenswürdig sind und, wie sich der Blutfluss in Glaukom Patienten verändert.

Health conditions investigated (Source of data: BASEC)

nicht zutreffend

Health conditions (Source of data: WHO)

Open Angle Glaucoma;Normal Tension Glaucoma;Healthy

Rare disease (Source of data: BASEC)


Intervention investigated (e.g. drug, therapy or campaign) (Source of data: BASEC)

Blutfluss der Netzhaut

Interventions (Source of data: WHO)


Criteria for participation in trial (Source of data: BASEC)

Personen mit oder ohne Glaukom
Unterschriebene Einwilligungserklärung
Alter >= 18 Jahre

Exclusion criteria (Source of data: BASEC)

Minderjährige Personen
Nicht unterschriebene Einverständniserklärung
Unfähigkeit den Studienablauf zu verstehen, z. B., aufgrund von Sprachschwierigkeiten, psychische Störung, etc.

Inclusion/Exclusion Criteria (Source of data: WHO)

Inclusion Criteria:

- signed Patient Informed Consent form

- Be at least 18 years old

- Diagnosis of primary or secondary open-angle glaucoma or normal tension glaucoma or
healthy controls

Exclusion Criteria:

- Age < 18 years

- Inability to follow the procedures of the study, e.g. due to language problems,
psychological disorders, dementia, etc. of the participant.

- No vulnerable participants will be included in this study.

Further information on the trial in WHO primary registry


Further information on the trial from WHO database (ICTRP)


Further information on trial

Date trial registered


Incorporation of the first participant


Recruitment status


Academic title (Source of data: WHO)

Prospective, Non-randomised, Non-controlled Study of Reproducibility of Blood Flowmetry in Human Retina Using the Nidek Laser Speckle Flowgraphy LSFG-NAVI System

Type of trial (Source of data: WHO)


Phase (Source of data: WHO)


Primary end point (Source of data: WHO)

Coefficients of variation (COV);intraclass correlation coefficients (ICCs)

Secundary end point (Source of data: WHO)


Contact information (Source of data: WHO)

Please refer to primary and secondary sponsors

Trial sites

Trial sites in Switzerland (Source of data: BASEC)

Aarau, Zürich

Countries (Source of data: WHO)


Contact for further information on the trial

Details of contact in Switzerland (Source of data: BASEC)

PD Dr. med. Marc Töteberg-Harms
+41 44 255 87 94

Contact for general information (Source of data: WHO)

Marc Töteberg-Harms, MD, FEBO
UniversityHospital Zurich, Department of Ophthalmology, Zurich, Switzerland

Contact for scientific information (Source of data: WHO)

Marc Töteberg-Harms, MD, FEBO
UniversityHospital Zurich, Department of Ophthalmology, Zurich, Switzerland

Principal Sponsor/Investigator

Principal sponsor (Source of data: WHO)

University of Zurich

Additional sponsors (Source of data : WHO)

Cantonal Hosptial Aarau, Department of Ophthalmology, Aarau, Switzerland

Further trial identification numbers

BASEC ID (Source of data: BASEC)


Secondary ID (Source of data: WHO)

LSFG Repro