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All participants in the selected communities will be tested for HBsAg by using serum samples. Among those who are positive for HBsAg, further clinical work-ups including AFP test and ultrasonography for liver exam will be performed. High risk group will be selected according to the definition. HCC diagnosis will be determined according to imaging and/or biopsy result. Repeated check-ups will be performed in 6-months among HBsAg positive group and 3-years among HBsAg negative group.
All subjects in the control arm (control communities) will be followed by record linkage to Cancer Register and Population Register.
Sample selection
Participants recruitment
- Subjects voluntarily attend this screening study
Informed consent - Informed consent forms will be collected at the recruitment.
Questionnaires
- Face-to-face interviews are conducted by well-trained investigators
Serological tests
Follow up
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Screening | All participants will be tested for HBsAg by using serum samples. Among those who are positive for HBsAg, further clinical work-ups including AFP test and ultrasonography for liver exam will be performed. Repeated check-ups will be performed in 6-months among HBsAg positive group and 3-years among HBsAg negative group. |
| |
| Non-screening | All subjects in this arm will be followed by linkage to Cancer Register and Population Register. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Biomarker testing and Ultrasonography | Biological |
|
| Measure | Description | Time Frame |
|---|---|---|
| 5-year HCC specific mortality rate | To reduce 5-year HCC specific mortality rate compare with that of general population | 10 years |
| Measure | Description | Time Frame |
|---|---|---|
| Early diagnosis rate of HCC | To improve early diagnosis rate of HCC compare with that of general population | 5 years |
| Identification of early diagnosis markers of HCC | To identify early expression markers of HCC |
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Inclusion Criteria:
Exclusion Criteria:
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Healthy residences in Zhongshan City.
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| Name | Affiliation | Role |
|---|---|---|
| Mingfang Ji, MD | Zhongshan People's Hospital, Guangdong, China | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Zhongshan People's Hospital | Zhongshan | Guangdong | 528403 | China |
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| ID | Term |
|---|---|
| D008113 | Liver Neoplasms |
| ID | Term |
|---|---|
| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D004066 | Digestive System Diseases |
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| ID | Term |
|---|---|
| D019220 | High-Energy Shock Waves |
| ID | Term |
|---|---|
| D000069453 | Ultrasonic Waves |
| D013016 | Sound |
| D011840 | Radiation, Nonionizing |
| D011827 | Radiation |
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Blood samples
| 5 years |
| D008107 |
| Liver Diseases |
| D055585 |
| Physical Phenomena |