Endofaster Robot for Gastroesophageal Submucosal Tumors: A Randomized Controlled Study
Effectiveness and Safety of the Endofaster Surgical Robot System for Precise Dissection of Gastroesophageal Submucosal Tumors: A Single-Center Randomized Controlled Study
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
Undersøgelsestype
Undersøgelsestype
Tilmelding (Anslået)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiekontakt
Studiekontakt
- Navn: Chenhuan Tan
- Telefonnummer: +86 18860928860
- E-mail: tanchenhuan2013@163.com
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Beskrivelse
Inclusion Criteria:
- Aged 18 to 80 years old;
- Submucosal tumors originating from the muscularis propria of gastric fundus, highly suspected as gastrointestinal stromal tumor (GIST) confirmed by endoscopic ultrasonography (EUS) and contrast-enhanced computed tomography (CT);
- Tumor diameter ranging from 1.0 cm to 3.0 cm;
- No active ulcer or bleeding on the lesion surface before operation;
- American Society of Anesthesiologists (ASA) physical status class I-III;
- Voluntarily signed written informed consent.
Exclusion Criteria:
- Tumor adhesion to serosa with unclear interface shown on EUS;
- High-risk GIST or distant metastasis indicated by imaging or endoscopy;
- History of gastric surgery or radiotherapy;
- High bleeding risk including coagulation disorders and patients unable to discontinue anticoagulant medications;
- Pregnant or breastfeeding women;
- Failure to cooperate with follow-up.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Dobbelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: RG(Robot group)
1.Marking and mucosal incision.2.Grasp the tumor or its pedicle with the robotic flexible arm, apply continuous and steady traction toward the luminal side to dynamically expose the anatomical space between the tumor capsule and normal muscular layer.3.Perform meticulous dissection along the capsule-muscular layer interface using an ESD knife, and preserve the integrity of the serosa as much as possible.4.En bloc resection and removal of the tumor.5.Verification of serosal integrity: The procedure can be completed only if air/water insufflation test shows negative results.
Mucosal defects are closed by standard techniques.
|
After Marking and mucosal incision,Grasp the tumor or its pedicle with the robotic flexible arm, apply continuous and steady traction toward the luminal side to dynamically expose the anatomical space between the tumor capsule and normal muscular layer.
|
|
Aktiv komparator: TG(Traditional Group)
The procedures are performed by surgeons of equivalent seniority via conventional endoscopic full-thickness resection (EFTR) or modified endoscopic submucosal dissection (modified ESD).
If a safe dissection plane cannot be established, full-thickness incision is conducted followed by closure using over-the-scope clip (OTSC), covered stent or suturing techniques.
Leakage is assessed and managed in accordance with standard protocols.
|
Conventional endoscopy without Robot
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Serosa integrity rate
Tidsramme: perioperative
|
En bloc resection rate with serosa preserved
|
perioperative
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Duration of the surgical procedure
Tidsramme: Intraoperative
|
Total duration of the surgical procedure
|
Intraoperative
|
|
Dissection time
Tidsramme: perioperative
|
Dissection time of tumor
|
perioperative
|
|
Intraoperative blood loss
Tidsramme: perioperative
|
Intraoperative blood loss during surgury
|
perioperative
|
|
Postoperative fever rate
Tidsramme: Within 7 days after surgery
|
Postoperative fever is defined as a body temperature ≥ 37.5 ℃ within 7 days after surgery.
All febrile cases during this period are included, including non-infectious absorption fever.
|
Within 7 days after surgery
|
|
Postoperative infection
Tidsramme: Within 30 days after surgery
|
Postoperative infection is diagnosed when body temperature reaches ≥ 38.5 ℃, or temperature ≥ 38.0 ℃ persists for more than 3 consecutive days starting from postoperative day 3. Diagnosis shall be confirmed by clinical symptoms, abnormal laboratory inflammatory indicators or positive microbial culture results.
Simple absorption fever is excluded.
|
Within 30 days after surgery
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Ledende efterforsker: Rui Li, The First Affiliated Hospital of Soochow University
Datoer for undersøgelser
Studer store datoer
Studiestart (Anslået)
Studiestart
Primær færdiggørelse (Anslået)
Primær færdiggørelse
Studieafslutning (Anslået)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- 2026250
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
IPD-planbeskrivelse
IPD-delingstidsramme
IPD-delingsadgangskriterier
IPD-deling Understøttende informationstype
- STUDY_PROTOCOL
- SAP
- ICF
- ANALYTIC_CODE
- CSR
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