Application of a new image reconstruction algorithm (ASIR) for reducing radiation exposure in the Hybrid imaging by SPECT / low-dose CT: a prospective study

Application of a new image reconstruction algorithm (ASIR) for reducing radiation exposure in the Hybrid imaging by SPECT / low-dose CT: a prospective study - ASIR/FBP

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00006214

Enrollment

Registered

2014-07-14

Start date

2015-05-27

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

Patients with oncology disease who get SPECT-CTs of abdomen

Interventions

Group 1: Image Optimization Study - All patients are evaluated with the same Image recording method - a) first each patient is examined by the standard method using computed tomography (40mA, FBP).

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients with oncology disease who get SPECT-CTs of abdomen

Exclusion criteria

Exclusion criteria: unable to comply with the inclusion criteria younger than 18 years

Design outcomes

Secondary

Measure	Time frame
what: effective radiation with 20mA (ASIR) and 40mA (FBP). how: dosimetry.	—

Primary

Measure	Time frame
what: image quality at 20mA (ASIR) and 40mA (FBP). how: Contrast-to-noise ratio (CNR).	—

Countries

Germany

Contacts

Public ContactAnja Zinke

Klinik für Radiologie und Nuklearmedizin

anja.zinke@med.ovgu.de+49-391-6714426

Outcome results

None listed

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