Photoacoustic Tomography (PAT) in combination with high resolution ultrasound evaluating non-invasive diagnostic parameters of diabetic microangiopathy

Photoacoustic Tomography (PAT) in combination with high resolution ultrasound evaluating non-invasive diagnostic parameters of diabetic microangiopathy - FF_MicroPAT

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00008563

Enrollment

200

Registered

2015-05-26

Start date

2015-06-01

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

E10 E11

Interventions

Group 1: Diabetics: photoacoustic tomography (PAT) The measurement is planned on the ventral trunk as well as plantar and palmar. The measurement on hands and feet will be one time before and one tim

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 100 patients with insulin-dependent diabetes mellitus or non-insulin-dependent diabetes mellitus under ongoing pharmaceutical therapy; 100 patients without diabetes mellitus (control cohort)

Exclusion criteria

Exclusion criteria: Age < 18 years, Intolerance of ultrasound gel, Known peripheral small vessel disease if patient is screened as non-diabetic, Persistent ulcers in measurement area, Moderate or severe peripheral vascular disease

Design outcomes

Primary

Measure	Time frame
hemoglobin concentration (oxygenated) in a 3D image of the ventral trunk, the hands and the feet	—

Secondary

Measure	Time frame
change in blood vessel diameter before and after an occlusion of the blood flow	—

Countries

Germany

Contacts

Public ContactIngo Stoffels

Klinik für Dermatologie, Venerologie und AllergologieUniversitätsklinikum Essen

ingo.stoffels@uk-essen.de0201-723-4756

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026