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SCRT Combined With CAPOX and PD-1 Antibody Versus LCRT Combined With CAPOX for Early Low-lying Rectal Cancer (TORCH-E3) (TORCH-E3)

10. november 2026 opdateret af: Zhen Zhang, Fudan University

A Prospective, Randomized, Phase III Clinical Trial Comparing Short-course Radiotherapy Combined With CAPOX and PD-1 Monoclonal Antibody Versus Long-course Chemoradiotherapy Combined With CAPOX for the Treatment of Early-stage Low Rectal Cancer.

TORCH-E3 is a prospective, multicentre, randomized phase III trial. 394 low-lying early (T1-3b/N0-1M0, distance from anal verge ≤5cm) patients will be recruited and assigned to Group 1 and Group 2 (1:1). Group 1 receives SCRT (25Gy/5Fx) followed by 4 cycles of capecitabine plus oxaliplatin (CAPOX) chemotherapy and PD-1 antibody. Group 2 receives LCRT (50Gy/25Fx) followed by 2 cycles of CAPOX. A WW option can be applied to patients achieving cCR while surgery will be recommended for those who fail to achieve cCR. The primary endpoint is 3y TME-free survival. The secondary endpoints include complete response (CR, pathological complete response [pCR] plus cCR) rate, the grade 3-4 acute adverse effects (AE) rate, anal preservation rate, 3-year DFS rate, etc.

Studieoversigt

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

394

Fase

  • Fase 3

Kontakter og lokationer

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

Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

    • Shanghai Municipality
      • Shanghai, Shanghai Municipality, Kina, 200030
        • Fudan University Shanghai Cancer Center

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

18 år til 75 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  1. age 18-75 years old, female and male
  2. pathological confirmed adenocarcinoma
  3. clinical stage T1-3bN0-1, tumor maximum diameter less than 4cm
  4. the distance from anal verge less than 5 cm
  5. without distance metastases
  6. KPS >=70
  7. with good compliance
  8. microsatellite repair status is MSS/pMMR
  9. without previous anti-cancer therapy or immunotherapy
  10. signed the inform consent

Exclusion Criteria:

  1. pregnancy or breast-feeding women

  2. pathological confirmed signet ring cell carcinoma

  3. clinical stage T1N0 and can be resected locally

  4. history of other malignancies within 5 years

  5. serious medical illness, such as severe mental disorders, cardiac disease, uncontrolled infection, etc.

  6. immunodeficiency disease or long-term using of immunosuppressive agents

  7. baseline blood and biochemical indicators do not meet the following criteria: neutrophils≥1.5×10^9/L, Hb≥90g/L, PLT≥100×10^9/L, ALT/AST

    • 2.5 ULN, Cr≤ 1 ULN
  8. DPD deficiency

  9. allergic to any component of the therapy

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: SCRT plus immunochemotherapy group

Patients will receive SCRT (25Gy/5Fx, SCRT), followed by 4 cycles of CAPOX and PD-1 antibody, finally receive the TEM or TME surgery or adopt WW option.

SCRT: 25Gy/5Fx

Sintilimab 200mg d1 q3w

Andre navne:
  • Sintilimab

Oxaliplatin: 130mg/m2 d1 q3w

Xeloda

Andet: LCRT plus chemotherapy group

Patients will receive LCRT (50Gy/25Fx,LCRT, concurrent capecitabine), followed by 2 cycles of CAPOX, finally receive the TEM or TME surgery or adopt WW option.

Oxaliplatin: 130mg/m2 d1 q3w

Xeloda

LCRT: 50Gy/25Fx

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
3 year TME-free survival rate
Tidsramme: the proportion of patients who remain alive and have not undergone total mesorectal excision (TME) surgery within three years from the start of treatment.

Rate of 3 year TME-free survival

the proportion of patients who remain alive and have not undergone total mesorectal excision (TME) surgery within three years from the start of treatment.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
3 year local recurrence free survival rate
Tidsramme: From date of initiation of treatment until the date of first documented pelvic failure, assessed up to 36 months.

Rate of 3 year local recurrence free survival

From date of initiation of treatment until the date of first documented pelvic failure, assessed up to 36 months.
complete response (CR) rate
Tidsramme: 1 month after the surgery or the decision of W&W

Rate of complete response (CR), including the rate of pathologic complete response (pCR) after surgery and the rate of cCR with W&W strategy.

1 month after the surgery or the decision of W&W
Organ preservation rate
Tidsramme: from date of receiving neoadjuvant therapy, assessed up to 3 years

Organ preservation rate

from date of receiving neoadjuvant therapy, assessed up to 3 years
3 year disease free survival rate
Tidsramme: From date of initiation of treatment until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 36 months.

Rate of 3 year disease free survival

From date of initiation of treatment until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 36 months.
3 year overall survival rate
Tidsramme: From date of initiation of treatment until the date of death from any cause, assessed up to 36 months

Rate of 3 year overall survival

From date of initiation of treatment until the date of death from any cause, assessed up to 36 months
3 year Quality of Life
Tidsramme: From date of initiation of treatment until the date of death from any cause, assessed up to 3 years

Quality of life will be evaluated using EORTC QLQ-C30 score.

From date of initiation of treatment until the date of death from any cause, assessed up to 3 years
Grade 3-4 adverse effects rate
Tidsramme: From date of randomization until 3 months after the completion neoadjuvant therapy

Rate of chemotherapy, radiotherapy and immunotherapy related adverse events

From date of randomization until 3 months after the completion neoadjuvant therapy

Samarbejdspartnere og efterforskere

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

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. november 2026

Primær færdiggørelse (Anslået)

31. december 2027

Studieafslutning (Anslået)

31. december 2029

Datoer for studieregistrering

Først indsendt

5. november 2026

Først indsendt, der opfyldte QC-kriterier

10. november 2026

Først opslået (Faktiske)

12. november 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

12. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

10. november 2026

Sidst verificeret

1. november 2026

Mere information

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Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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