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Prospective feasibility study of ultrasonography-combined follow-up approach for post-radiotherapy hepatocellular carcinoma

Prospective feasibility study of ultrasonography-combined follow-up approach for post-radiotherapy hepatocellular carcinoma - US-POSTR study

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000049003
Enrollment
36
Registered
2022-09-22
Start date
2022-09-28
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Hepatocellular carcinoma

Interventions

1) Abdominal ultrasonography at 3 and 9 months after radiotherapy 2) Contrast-enhanced CT/MRI at 6 and 12 months after radiotherapy 3) Evaluation of tumor markers at 3, 6, 9 and 12 months after radi

Sponsors

Department of Gastroenterology and Hepatology, Kurashiki Central Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Age 18 years or higher 2) Histologically or radiologically diagnosed hepatocellular carcinoma 3) Tumor number 3 or less; tumor size 5 cm or less 4) Undergoing SBRT for a single tumor 5) Well visualized by non-contrast ultrasonography 6) Informed consent obtained

Exclusion criteria

Exclusion criteria: 1) Three months or longer duration between pretreatment radiological evaluation and SBRT 2) Apparent vascular invasion and/or metastasis 3) Unable to perform contrast-enhanced CT/MRI 4) Other diseases requiring more frequent contrast-enhanced CT/MRI 5) Considered not appropriate as a participant of this study by investigators

Design outcomes

Primary

MeasureTime frame
The frequency of addition of contrast-enhanced CT/MRI at 3 or 9 momths after radiotherapy

Secondary

MeasureTime frame
1) Reasons for addition of contrast-enhanced CT/MRI 2) Tumor detection rates at 3 and 9 months by ultrasonography 3) Tumor detection rates at 6 and 12 months by contrast-enhanced CT/MRI 4) Local control rates at 3, 6, 9 and 12 months 5) Time to local progression 6) Overall survival 7) Adverse events due to contrast agents 8) Total number of contrast-enhanced CT/MRI during follow-up period

Countries

Japan

Contacts

Public ContactMasayuki Ueno

Kurashiki Central Hospital Department of Gastroenterology and Hepatology

mu13951@kchnet.or.jp086-422-0210

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026