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Non-Operative Management and Following Immunotherapy for Colorectal Cancer and Other GI Cancers (NOMIC)

15. juni 2026 opdateret af: Xiaokang Lei, Peking University Cancer Hospital & Institute

Non-Operative Management and Following Immunotherapy for Colorectal Cancer and Other GI Cancers (NOMIC Trial)

This is a single-center, bidirectional (retrospective and prospective) registry study aimed at evaluating the safety and efficacy of Non-Operative Management (NOM) and Organ-Preserving Functional Surgery (OPFS) in patients with mismatch repair-deficient/microsatellite instability-high (dMMR/MSI-H) or POLE-mutated gastrointestinal (GI) cancers who received neoadjuvant immunotherapy.Patients achieving a clinical complete response (cCR) or near-cCR may undergo a "Watch & Wait" (W&W) strategy, while those with near-cCR or non-cCR ($\le ymrT2N0$) may undergo local excision (LE) or endoscopic resection (ESD/EMR). Patients undergoing radical operation (RO) will serve as the control cohort to compare oncological outcomes and safety data.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Observationel

Tilmelding (Anslået)

50

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Undersøgelse Kontakt Backup

  • Navn: Xiaokang Lei Dr., M.D.

Studiesteder

  • Kina
    • Haidian District
      • Beijing, Haidian District, Kina, 100142
        • Peking University Cancer Hospital
        • Kontakt:
          • Xiaokang Lei Dr., M.D.
          • Telefonnummer: 18811181993
          • E-mail: lxkpku@163.com

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Barn
  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Patients with mismatch repair-deficient/microsatellite instability-high (dMMR/MSI-H) or POLE-mutated gastrointestinal (GI) cancers who received neoadjuvant immunotherapy.

Beskrivelse

Inclusion Criteria:

  1. Retrospective Cohort Inclusion Criteria

    • Pathologically confirmed gastrointestinal malignancy determined as MSI-H/dMMR or POLE mutation, and initially resectable.
    • Completed prior immunotherapy.
    • No evidence of distant metastasis.
    • Managed with W&W, LE, endoscopic surgery, or radical operation after treatment.

  2. Prospective Cohort Inclusion Criteria

    • Pathologically confirmed gastrointestinal malignancy determined as MSI-H/dMMR or POLE mutation, and initially resectable.
    • Eastern Cooperative Oncology Group (ECOG) performance status of 0-1.
    • Immunotherapy status: naive, currently receiving, or completed treatment, and evaluated by the PKUCH-NOMIC research group as cCR/near-cCR or Non-cCR (≤ ymrT2N0).
    • No evidence of distant metastasis.
    • Absence of emergencies requiring immediate surgery (e.g., hemorrhage, perforation, obstruction).

Exclusion Criteria:

  • Recurrent gastrointestinal tumors.Initial presence of unresectable distant metastases.
  • Serum creatinine > 1.5 times upper limit of normal (ULN).
  • History of pelvic radiation therapy.Inability to tolerate MRI examinations.
  • History of other malignancies within the past 5 years with a survival rate significantly lower than the historical rectal cancer survival data of this center (except adequately treated basal cell carcinoma, cutaneous squamous cell carcinoma, small renal cell carcinoma, breast cancer, and papillary thyroid carcinoma).
  • Arterial thromboembolic events within the past 6 months (e.g., angina, myocardial infarction, transient ischemic attack [TIA], cerebral vascular accident [CVA]).
  • Prior receipt of other types of investigational anti-tumor therapies.
  • Pregnant or lactating women.
  • Concomitant diseases or mental health conditions that may interfere with study participation.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Kohorter og interventioner

Gruppe / kohorte
Intervention / Behandling
Experimental Cohort (NOM)
Patients achieving a clinical complete response (cCR) or near-cCR may undergo a "Watch & Wait" (W&W) strategy, while those with near-cCR or non-cCR (≤ymrT2N0$) may undergo local excision (LE) or endoscopic resection (ESD/EMR).
Andet: NOM
Patients achieving a clinical complete response (cCR) or near-cCR may undergo a "Watch & Wait" (W&W) strategy, while those with near-cCR or non-cCR (≤ymrT2N0) may undergo local excision (LE) or endoscopic resection (ESD/EMR).
Control arm
Patients undergoing radical operation (RO) will serve as the control cohort to compare oncological outcomes and safety data.
Andet: RO
Patients undergoing radical operation (RO) will serve as the control cohort to compare oncological outcomes and safety data.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Organ Preservation Rate
Tidsramme: 3 years after the completion of neoadjuvant immunotherapy.
The proportion of patients successfully managed with NOM without the need for supplementary radical surgery, loss of organ function, or a permanent stoma (specifically for rectal cancer patients).
3 years after the completion of neoadjuvant immunotherapy.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Samlet overlevelse (OS)
Tidsramme: Op til 5 år.
Tid fra starten af behandlingen til død af enhver årsag.
Op til 5 år.
Surgical Safety and Postoperative Complications
Tidsramme: 3 years after the completion of neoadjuvant immunotherapy.
Incidence and severity of perioperative complications classified by the Clavien-Dindo grading system, comparing RO, LE, and endoscopic resection (ESD/EMR).
3 years after the completion of neoadjuvant immunotherapy.
Distribution of Pathological Response (RO Group Only)
Tidsramme: At the time of radical surgery (typically 4-12 weeks post-immunotherapy).
Percentage of patients achieving ypCR, ypTisN0, ypT1-2N0, and ypT3+ in the radical surgery cohort to characterize pathological response after immunotherapy.
At the time of radical surgery (typically 4-12 weeks post-immunotherapy).
Local Regrowth Rate
Tidsramme: Regular follow-up every 3-6 months for up to 3 years.
The proportion of patients experiencing local tumor regrowth in the W&W group or after local/endoscopic excision.
Regular follow-up every 3-6 months for up to 3 years.
Disease-Free Survival (DFS)
Tidsramme: Up to 5 years from enrollment/treatment initiation.
Time from the initiation of neoadjuvant immunotherapy to the first documentation of disease recurrence (local, regional, or distant), progression, or death from any cause, comparing the NOM/OPFS group with the RO group.
Up to 5 years from enrollment/treatment initiation.

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Peking University Cancer Hospital & Institute

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

15. juni 2026

Primær færdiggørelse (Anslået)

15. juni 2029

Studieafslutning (Anslået)

15. oktober 2030

Datoer for studieregistrering

Først indsendt

15. juni 2026

Først indsendt, der opfyldte QC-kriterier

15. juni 2026

Først opslået (Faktiske)

18. juni 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

18. juni 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

15. juni 2026

Sidst verificeret

1. juni 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • NOMIC Trial

Plan for individuelle deltagerdata (IPD)

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