Single-port Versus Conventional Laparoscopic Surgery for Radical Proximal Gastric Cancer: A Randomized Controlled Trial
A Prospective, Single-center, Randomized Control Led Study of Laparoscopic Single-port Surgery System Versus Traditional Laparoscopic Surgery in Radical Proximal Gastric Cancer
Studieoversikt
Status
Intervensjon / Behandling
Studietype
Registrering (Antatt)
Fase
- Ikke aktuelt
Kontakter og plasseringer
Studiekontakt
- Navn: Xian Shen
- Telefonnummer: +86 139 6888 8872
- E-post: shenxian1120@126.com
Studiesteder
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Zhejiang
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Wenzhou, Zhejiang, Kina
- Rekruttering
- The First Affiliated Hospital of Wenzhou Medical University
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Ta kontakt med:
- Xian Shen
- Telefonnummer: +86 139 6888 8872
- E-post: shenxian1120@126.com
-
-
Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
- Voksen
- Eldre voksen
Tar imot friske frivillige
Beskrivelse
Inclusion Criteria:
- Age between 18 and 75 years inclusive.
ECOG performance status ≤ 2.
Histologically confirmed proximal gastric cancer or Siewert type II adenocarcinoma of the esophagogastric junction.
Clinical stage cT1-T3, N0-N+, M0.
Tumor maximum diameter ≤ 4 cm and esophageal invasion ≤ 2 cm.
Candidates for radical proximal gastrectomy (PG) with feasibility of R0 resection and functional anastomosis.
Assessed by a Multidisciplinary Team (MDT) as suitable for PG rather than total gastrectomy, with no requirement for neoadjuvant therapy.
Radiographic evidence of localized disease (no distant metastasis to liver, lung, or peritoneum via enhanced CT or MRI).
ASA physical status classification ≤ III.
Adequate bone marrow, hepatic, renal, cardiac, and pulmonary function.
Ability to understand and provide written informed consent.
Willingness and ability to comply with the 12-month postoperative follow-up schedule.
Exclusion Criteria:
- Clinical stage T4 or presence of distant metastasis.
Esophageal invasion exceeding 2 cm.
History of previous major gastric surgery (e.g., partial or total gastrectomy).
Other malignant tumors within the last 5 years.
Severe organic diseases that preclude safe anesthesia or surgery (e.g., severe heart failure, pulmonary fibrosis).
Requirement for emergency surgery due to active gastric bleeding, perforation, or acute obstruction.
Pregnant or lactating women.
Serious psychiatric disorders or cognitive impairment that interferes with study compliance.
Any other condition that, in the opinion of the investigator, would make the participant unsuitable for the study.
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Behandling
- Tildeling: Randomisert
- Intervensjonsmodell: Parallell tildeling
- Masking: Ingen (Open Label)
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
|---|---|
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Eksperimentell: Single-Port Group
Participants in this group will undergo radical proximal gastrectomy utilizing the SP1000 single-port surgical platform.
The procedure focuses on performing the main surgical maneuvers through a centralized access point to evaluate the safety and clinical performance of the robotic system.
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An investigational robotic-assisted surgical platform designed for single-port access.
In this study, the system is utilized to perform radical proximal gastrectomy.
The core surgical procedures are conducted through a centralized access point to assess the intraoperative safety and short-term clinical outcomes of this robotic-assisted approach.
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Aktiv komparator: Traditional Laparoscopy Group
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Standard multi-port laparoscopic radical proximal gastrectomy performed as a clinical control.
This procedure follows conventional laparoscopic techniques involving multiple abdominal incisions for the placement of surgical instruments and camera to treat proximal gastric cancer.
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Hva måler studien?
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
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Incidence of Total Postoperative Complications (Clavien-Dindo Grade ≥ II)
Tidsramme: Within 30 days postoperatively.
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The proportion of participants experiencing at least one postoperative complication graded II or higher according to the Clavien-Dindo Classification.
This includes surgery-related, systemic, and anesthesia-related complications.
If a patient experiences multiple complications, only the most severe grade will be used for statistical analysis.
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Within 30 days postoperatively.
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Sekundære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
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Estimated Blood Loss
Tidsramme: During the surgical procedure (Day 0).
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The amount of blood lost during the surgical procedure, measured in milliliters (mL).
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During the surgical procedure (Day 0).
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Time to First Flatus
Tidsramme: Up to 30 days postoperatively.
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The time from the end of surgery until the participant's first passage of flatus, measured in days.
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Up to 30 days postoperatively.
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Total Operation Time
Tidsramme: During the surgical procedure (Day 0).
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The duration from the initial skin incision to the completion of skin closure, measured in minutes.
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During the surgical procedure (Day 0).
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Conversion Rate
Tidsramme: During the surgical procedure (Day 0).
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The proportion of participants in the Single-Port group who require conversion to traditional multi-port laparoscopy or open surgery due to technical or safety factors.
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During the surgical procedure (Day 0).
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Samarbeidspartnere og etterforskere
Studierekorddatoer
Studer hoveddatoer
Studiestart (Faktiske)
Primær fullføring (Antatt)
Studiet fullført (Antatt)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Faktiske)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
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
- KY2025-143
- ChiCTR2500109905 (Annen identifikator: Chinese Clinical Trial Registry)
Legemiddel- og utstyrsinformasjon, studiedokumenter
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