- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT02786199
Histological Differentiation Grade Predicted by Ultrasound Backscatterer Imaging
Histological grade of hepatocellular carcinoma (HCC) is an important prognostic factor affecting patient survival. It has been divided into four grades from I to IV on the basis of histological differentiation. Grade I is the best differentiated consisting of small tumor cells arranged in thin trabeculae. Cells with higher grade are larger and less differentiated with hyperchromatic nuclei and loss of trabecular pattern.
Ultrasound is an imaging modality frequently used to evaluate liver tumors because of its convenience, real-time, less expensive and no radiation exposure. However, ultrasonographic evaluation by conventional B-mode image is semi quantitative and subjective. It still cannot replace liver biopsy for the evaluation of HCC.
This study is aimed to quantify the image characters of B-mode image and the scatterer properties using Nakagami distribution. Nakagami parameter is a general model to describe the distribution of scatterers. Therefore, the investigators hypothesized that Nakagami parameter may also reflect the histological changes in different grades of HCC.
In this study, the resected HCC tumor samples will be collected from the participants who are going to receive surgical resection, and the tumor US images and Nakagami values will be obtained via the single-element ultrasound system. The correlation between the ultrasound backscatter parameter and the differentiation grade will be analyzed.
Studieoversikt
Status
Forhold
Studietype
Registrering (Forventet)
Kontakter og plasseringer
Studiesteder
-
-
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Taipei, Taiwan, 10051
- Rekruttering
- National Taiwan University Hospital
-
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Prøvetakingsmetode
Studiepopulasjon
Beskrivelse
Inclusion Criteria:
- Age 21 to 75
- Patients with HCC who underwent surgery
- The resected tumor was measured larger than 3 cm
Exclusion Criteria:
- Patients who have received other treatment in 6 months
- Patients who couldn't regular follow-up
Studieplan
Hvordan er studiet utformet?
Designdetaljer
Kohorter og intervensjoner
Gruppe / Kohort |
---|
Hepatocellular carcinoma
patients HCC who are going to receive surgical resection
|
Hva måler studien?
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
---|---|---|
Recurrence-free survival
Tidsramme: within two years after surgery
|
Suspected recurrences will be confirmed by CT or MRI.
|
within two years after surgery
|
Liver-related mortality
Tidsramme: five years
|
five years
|
Samarbeidspartnere og etterforskere
Etterforskere
- Hovedetterforsker: Ming-Chih Ho, MD, Department of Surgery, National Taiwan University Hospital
Studierekorddatoer
Studer hoveddatoer
Studiestart
Primær fullføring (Forventet)
Studiet fullført (Forventet)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Anslag)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
- 201505107RINA
Plan for individuelle deltakerdata (IPD)
Planlegger du å dele individuelle deltakerdata (IPD)?
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