- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT04143048
A Study on Non-invasive Early Diagnosis of Gastrointestinal Stromal Tumors and Differentiation of Benign and Malignant Nodules
8. května 2020 aktualizováno: The First Affiliated Hospital with Nanjing Medical University
Gastrointestinal Stromal Tumors (GIST) is the most common mesenchymal tumor of the gastrointestinal tract, and the incidence rate in China has increased year by year in recent years.Gastrointestinal stromal tumors are not sensitive to radiotherapy and traditional infusion chemotherapy.
Currently, they are generally treated with surgery, but they are prone to recurrence and metastasis.For nodules with a particle size between 2 and 5 cm, there may be both benign and malignant, and there is still a lack of fast and accurate methods for distinguishing benign and malignant.Many benign nodules were removed (in the pathological examination of postoperative resected tissue).
In addition, if it is found to be late, there is a possibility of invading surrounding tissues and metastasis, so that it is impossible to cure.
Therefore, early diagnosis and early surgery and benign and malignant differentiation of small nodules are the key to the clinical diagnosis and treatment of gastrointestinal stromal tumors.At present, second-generation gene sequencing (NGS) and liquid biopsy are rarely reported in the field of GIST.
A few domestic and foreign studies have found that it can detect rare mutation types, and may find secondary gene mutations early, which has potential applicability, but Overall, the clinical guidance of these NGS-based studies focuses on prognosis and drug resistance , as well as some studies based on low-throughput platforms.
Therefore, early diagnosis and benign and malignant discrimination based on high-throughput sequencing and liquid biopsy have significant clinical significance for the diagnosis and treatment of gastrointestinal stromal tumors.
Přehled studie
Postavení
Neznámý
Podmínky
Intervence / Léčba
- Jiný: DNA extraction of tumer tissue samples and high-throughput sequencing of small panels
- Jiný: DNA extraction of tumer tissue samples and blood sample and high-throughput sequencing of small panels
- Jiný: DNA extraction of tumer tissue samples and blood sample and high-throughput sequencing of small panels
Typ studie
Pozorovací
Zápis (Očekávaný)
300
Kontakty a umístění
Tato část poskytuje kontaktní údaje pro ty, kteří studii provádějí, a informace o tom, kde se tato studie provádí.
Studijní místa
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Jiangsu
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Nanjing, Jiangsu, Čína, 210029
- Nábor
- First Affiliated Hospital of Nanjing Medical University
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Kontakt:
- Xiqiao none Zhou, doctor
- Telefonní číslo: 13951826318
- E-mail: Xiqiao_zhou@126.com
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Kritéria účasti
Výzkumníci hledají lidi, kteří odpovídají určitému popisu, kterému se říká kritéria způsobilosti. Některé příklady těchto kritérií jsou celkový zdravotní stav osoby nebo předchozí léčba.
Kritéria způsobilosti
Věk způsobilý ke studiu
- Dítě
- Dospělý
- Starší dospělý
Přijímá zdravé dobrovolníky
Ne
Pohlaví způsobilá ke studiu
Všechno
Metoda odběru vzorků
Ukázka pravděpodobnosti
Studijní populace
Gastrointestinal stromal tumor patients in Jiangsu Provincial People's Hospital
Popis
Inclusion Criteria:
- Patients who are scheduled for stromal tumor resection
- Signed informed consent
Exclusion Criteria:
- the vital signs are not stable
- unconscious
- unwilling to cooperate
Studijní plán
Tato část poskytuje podrobnosti o studijním plánu, včetně toho, jak je studie navržena a co studie měří.
Jak je studie koncipována?
Detaily designu
Kohorty a intervence
Skupina / kohorta |
Intervence / Léčba |
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The construction of Gene detection technology flow
At this stage, a small panel targeted high-throughput sequencing process for gastrointestinal stromal tumors was established, and the association of tumor-associated mutation profiles in different patients with clinical stage was initially explored.
It is planned to collect about 100 cases of gastrointestinal stromal tumors after surgery (freezing tissue or FFPE sections), DNA extraction and high-throughput sequencing of small panels, and analysis of the relationship between the mutation spectrum of each sample and the corresponding patient clinical data (staging).
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DNA extraction of stromal tumor tissues and high-throughput sequencing of small panels were performed, and the relationship between the mutation spectrum of each sample and the corresponding patient clinical data (staging) was analyzed
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Establishment of non-invasive gene testing technology process
In this stage, we plan to establish a small panel of peripheral blood cfDNA targeting high-throughput sequencing process, and verify the consistency of peripheral blood cfDNA and tissue gDNA in gene detection of gastrointestinal stromal tumors.
About 50 patients were planned to be enrolled.
Peripheral blood was collected once for each patient and the blood volume was 10mL.
Meanwhile, the tumor tissue samples were collected within 5mm in diameter, depending on the size of the lesion .
DNA extraction and small panel sequencing were performed for the two types of samples of the patients respectively, and the DNA sequencing results of the two types of samples were compared, and the clinical data of the corresponding patients were referenced to evaluate the consistency of the results of peripheral blood cfDNA and tissue gDNA for the gene detection of gastrointestinal stromal tumor.
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DNA extraction and small panel sequencing were performed for the two types of samples of the patients respectively, and the DNA sequencing results of the two types of samples were compared, and the clinical data of the corresponding patients were referenced to evaluate the consistency of the results of peripheral blood cfDNA and tissue gDNA for the gene detection of gastrointestinal stromal tumor
DNA extraction and small panel sequencing were conducted for each patient sample.
Based on the indicator results of the previous mutant spectrum for each stage of gastrointestinal stromal tumor, the clinical stage classification of patients and the benign and malignant nodules were determined by the mutant spectrum, and compared with the real clinical data of patients
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Prospective cohort (double-blind recommended)
Peripheral blood of about 150 patients was collected once and the blood volume was 10mL .
Meanwhile, the tumor tissue samples were collected within 5mm in diameter, depending on the size of the lesion.
Patients focus on the early stage of stromal tumors or those whose size under gastroenteroscopy is between 2 and 5 cm.
DNA extraction and small panel sequencing were conducted for each patient sample.
Based on the indicator results of the previous mutation spectrum for each stage of gastrointestinal stromal tumor, the clinical stage classification of patients and the benign and malignant nodules were determined by the mutation spectrum, and compared with the real clinical data of patients.
|
DNA extraction and small panel sequencing were performed for the two types of samples of the patients respectively, and the DNA sequencing results of the two types of samples were compared, and the clinical data of the corresponding patients were referenced to evaluate the consistency of the results of peripheral blood cfDNA and tissue gDNA for the gene detection of gastrointestinal stromal tumor
DNA extraction and small panel sequencing were conducted for each patient sample.
Based on the indicator results of the previous mutant spectrum for each stage of gastrointestinal stromal tumor, the clinical stage classification of patients and the benign and malignant nodules were determined by the mutant spectrum, and compared with the real clinical data of patients
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Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
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Genetic mutations of patients with stromal tumor assessed by next-generation sequencing
Časové okno: 2019.8-2019.10
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DNA extraction of tumer tissue samples ,Preliminary exploration of tumor related mutation spectrum in different patients by gene sequencing
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2019.8-2019.10
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Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
---|---|---|
Genetic mutations of patients with stromal tumor assessed by next-generation sequencing
Časové okno: 2019.11-2020.5
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DNA extraction of tumer tissue samples and blood tissue .To evaluate the consistency of peripheral blood cfDNA and tissue gDNA in gene detection of gastrointestinal stromal tumors,Using mutational spectra to determine the clinical stage of the patient and the benign and malignant small nodules
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2019.11-2020.5
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Spolupracovníci a vyšetřovatelé
Zde najdete lidi a organizace zapojené do této studie.
Spolupracovníci
Termíny studijních záznamů
Tato data sledují průběh záznamů studie a předkládání souhrnných výsledků na ClinicalTrials.gov. Záznamy ze studií a hlášené výsledky jsou před zveřejněním na veřejné webové stránce přezkoumány Národní lékařskou knihovnou (NLM), aby se ujistily, že splňují specifické standardy kontroly kvality.
Hlavní termíny studia
Začátek studia (Aktuální)
1. září 2019
Primární dokončení (Očekávaný)
31. května 2020
Dokončení studie (Očekávaný)
31. května 2020
Termíny zápisu do studia
První předloženo
18. října 2019
První předloženo, které splnilo kritéria kontroly kvality
27. října 2019
První zveřejněno (Aktuální)
29. října 2019
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
11. května 2020
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
8. května 2020
Naposledy ověřeno
1. května 2020
Více informací
Termíny související s touto studií
Další relevantní podmínky MeSH
Další identifikační čísla studie
- 2019-SR-358
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