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Histidine Supplementation for Antitumor Immunity in Colorectal Cancer

5. maj 2026 opdateret af: Jing-yuan Fang, MD, Ph. D

A Single-arm Clinical Study of Histidine Supplementation for Antitumor Immunity in Colorectal Cancer

The goal of this clinical study is to learn whether oral histidine supplementation may be safely used to support antitumor immune function during standard colorectal cancer treatment.

Participants with colorectal cancer in the supplementation group will:

Take 2g oral histidine once daily during standard colorectal cancer treatment; Provide blood samples before and after supplementation; Attend regular follow-up visits for laboratory tests, safety assessment, and treatment evaluation.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

20

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

  • Kina
    • Shanghai Municipality
      • Shanghai, Shanghai Municipality, Kina
        • Shanghai Punan Hospital of Pudong New District
        • Kontakt:

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

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  1. Patients aged 18-80 years, regardless of sex.
  2. Body mass index (BMI) ≥18.5.
  3. NRS-2002 score <3.
  4. Diagnosed with stage II or higher colorectal cancer who require pharmacological intervention.
  5. Capable of oral intake of medication.
  6. Willing to participate in the study and provide written informed consent.

Exclusion Criteria:

  1. Participation in other interventional clinical trials (including drugs, nutritional supplements, medical devices, etc.) within 4 weeks prior to enrollment.
  2. Presence of ascites, severe diarrhea, intractable vomiting, severe malabsorption syndrome, paralysis, mechanical intestinal obstruction, or active gastrointestinal bleeding.
  3. Allergy to sample components.
  4. Current use of other nutritional supplements that may affect the validity and effectiveness of the study results.
  5. Pregnant, lactating female patients or women with fertility who test positive in the baseline pregnancy test.
  6. Presence of cognitive impairments or mental illnesses that prevent understanding of the study procedures.
  7. Presence of any other conditions, judged by the researcher, make the participant unsuitable for participation in the study.

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: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Histidine supplement group
Patients with colorectal cancer will receive oral histidine supplementation in addition to standard anti-tumor treatment for 9 weeks.
Kosttilskud: Histidine
Histidine capsules, 1000 mg per capsule, taken orally as 2 capsules once daily for 9 weeks. Histidine supplementation will be administered in addition to standard anti-tumor treatment determined by the treating physician according to clinical guidelines.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Serum histidine concentration
Tidsramme: At the time of enrollment as baseline, and at the end of treatment at 9 weeks.
Serum histidine concentration measured using liquid chromatography-mass spectrometry (LC-MS).
At the time of enrollment as baseline, and at the end of treatment at 9 weeks.
Percentage of IFN-gamma-positive T cells
Tidsramme: At the time of enrollment as baseline, and at the end of treatment at 9 weeks.
Peripheral blood mononuclear cells (PBMCs) collected from patients with colorectal cancer will be assessed by flow cytometry to evaluate the percentage of IFN-gamma-positive T cells as a T cell effector function marker.
At the time of enrollment as baseline, and at the end of treatment at 9 weeks.
Percentage of granzyme B-positive T cells
Tidsramme: At the time of enrollment as baseline, and at the end of treatment at 9 weeks.
Peripheral blood mononuclear cells (PBMCs) collected from patients with colorectal cancer will be assessed by flow cytometry to evaluate the percentage of granzyme B-positive T cells as a T cell effector function marker.
At the time of enrollment as baseline, and at the end of treatment at 9 weeks.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Tumor volume
Tidsramme: At the time of enrollment as baseline, and at the end of treatment at 9 weeks, and during follow-up at 3 and 6 months.
Tumor volume will be assessed using available imaging examinations and/or colonoscopy findings, according to routine clinical evaluation in patients with colorectal cancer.
At the time of enrollment as baseline, and at the end of treatment at 9 weeks, and during follow-up at 3 and 6 months.

Samarbejdspartnere og efterforskere

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

Sponsor

Jing-yuan Fang, MD, Ph. D

Samarbejdspartnere

Shanghai Punan Hospital of Pudong New District

Efterforskere

  • Studieleder: Jing-Yuan Fang, M.D., Division of Gastroenterology and Hepatology, NHC Key Laboratory of Digestive Diseases, Renji Hospital, School of Medicine, Shanghai Jiao Tong University

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)

1. maj 2026

Primær færdiggørelse (Anslået)

1. december 2026

Studieafslutning (Anslået)

1. juni 2027

Datoer for studieregistrering

Først indsendt

24. april 2026

Først indsendt, der opfyldte QC-kriterier

5. maj 2026

Først opslået (Faktiske)

11. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

11. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

5. maj 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • (2025)YLD(024)

Plan for individuelle deltagerdata (IPD)

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UBESLUTET

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