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Study on the Effect of Oral Diammonium Glycyrrhizinate in Attenuating Toxicity and Enhancing Efficacy of CAR-T Cell Therapy

29. mai 2026 oppdatert av: Jia Wei, Tongji Hospital

A Single-Center, Prospective, Randomized Controlled Clinical Study of Oral Diammonium Glycyrrhizinate for Attenuating Toxicity and Enhancing Efficacy of CAR-T Cell Therapy

The purpose of this study is to evaluate the effect of oral diammonium glycyrrhizinate in reducing toxicity and enhancing efficacy of CAR-T cell therapy in patients with large B-cell lymphoma. Two main questions are addressed: 1) Can oral diammonium glycyrrhizinate reduce the incidence and severity of CRS induced by CAR-T cells? 2) Can oral diammonium glycyrrhizinate synergistically increase the therapeutic efficacy of CAR-T cell therapy?

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

Current studies suggest that regulating pyroptosis may play a role in reducing toxicity and enhancing efficacy during CAR-T cell therapy by alleviating cytokine release syndrome (CRS) and improving the tumor microenvironment (TME). Glycyrrhizic acid has been clearly shown to inhibit pyroptosis and is widely recognized for its broad-spectrum anti-inflammatory effects and ability to improve the TME. Therefore, it holds promise as an ideal intervention for preventing/treating CRS induced by CAR-T cells and for synergistically enhancing the therapeutic efficacy of CAR-T cell therapy. Accordingly, this study aims to investigate the effect of oral diammonium glycyrrhizinate in reducing toxicity and enhancing efficacy of CAR-T cell therapy in patients with large B-cell lymphoma.

Studietype

Intervensjonell

Registrering (Antatt)

21

Fase

  • Fase 2
  • Fase 3

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

  1. Age ≥ 18 years.
  2. Patients diagnosed with large B-cell lymphoma and receiving CAR-T cell therapy.
  3. Adequate organ function prior to enrollment: ALT and AST ≤ 2.5 × ULN (upper limit of normal); may be extended to ≤5 × ULN in patients with liver involvement; serum total bilirubin < 34 μmol/L; creatinine clearance > 30 mL/min; cardiac ejection fraction (EF) ≥ 40%, with no pericardial effusion or significant arrhythmia; room air SpO₂ ≥ 92%.
  4. No central nervous system involvement of lymphoma confirmed by MRI prior to enrollment.
  5. Subjects of childbearing potential must agree to use highly effective contraceptive methods.
  6. The subject or their legal guardian must be able to understand and voluntarily sign a written informed consent form.

Exclusion Criteria:

  1. Presence of a prior malignancy (other than the disease under study) that requires ongoing systemic treatment for any other malignant tumor.
  2. Presence of any life-threatening disease, medical condition, or organ system dysfunction that, in the investigator's judgment, may compromise patient safety or interfere with the interpretation of safety or efficacy data.
  3. Current or prior central nervous system (CNS) involvement by malignancy.
  4. Receipt of allogeneic stem cell transplantation within 6 months prior to enrollment, or autologous stem cell transplantation within 3 months prior to enrollment; and the patient must have no signs or symptoms of graft-versus-host disease and must not be receiving immunosuppressive therapy.
  5. Intolerance or allergy to glycyrrhizic acid preparations.
  6. Patient refuses to comply with the study requirements to complete the research work.
  7. In the investigator's judgment, the patient is unable to complete the study or comply with the study requirements (due to administrative reasons or other reasons), or is considered unsuitable for clinical trial participation for other reasons.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Støttende omsorg
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Experimental group
At the time of CAR-T cell infusion, oral diammonium glycyrrhizinate is given in addition to standard clinical care (first two weeks: 150 mg three times daily; thereafter, 100 mg once daily, continued orally for 2 years).
Legemiddel: Diammonium glycyrrhizinate Capsules
For the experimental group, at the time of CAR-T cell infusion, oral diammonium glycyrrhizinate is given in addition to standard clinical care (first two weeks: 150 mg three times daily; thereafter, 100 mg once daily, continued orally for 2 years).
Ingen inngripen: Control group
For the control group, after CAR-T cell infusion, standard clinical care is provided without additional diammonium glycyrrhizinate intervention.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
CRS
Tidsramme: Within 28 days post CAR-T cell infusion
CRS incidence and incidence of grade ≥3 CRS
Within 28 days post CAR-T cell infusion

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Complete remission rate
Tidsramme: Assessments are performed every 3 months within the first two years after CAR-T infusion
Proportion of participants achieving Complete Response (CR) at the end of treatment. Efficacy is evaluated by both investigators and independent imaging personnel based on PET-CT or CT.
Assessments are performed every 3 months within the first two years after CAR-T infusion
Objective Response Rate
Tidsramme: Assessments are performed every 3 months within the first two years after CAR-T infusion
Objective Response Rate(ORR) is defined as the proportion of subjects achieving complete remission(CR) and partial response(PR). Efficacy is evaluated by both investigators and independent imaging personnel based on PET-CT or CT.
Assessments are performed every 3 months within the first two years after CAR-T infusion
Duration of response
Tidsramme: Assessments are performed during the first two years following CAR-T infusion.
Time from documentation of tumor response (CR or PR) to disease progression or death. Efficacy is evaluated by both investigators and independent imaging personnel based on PET-CT or CT.
Assessments are performed during the first two years following CAR-T infusion.
Overall survival
Tidsramme: Up to 2 years as per long-term follow-up mentions
The time from confirmed diagnosis to death from any cause.
Up to 2 years as per long-term follow-up mentions
Progression-free survival
Tidsramme: Assessments are performed during the first two years following CAR-T infusion
The time interval from the start of treatment to tumor progression (PD) or death from any cause.
Assessments are performed during the first two years following CAR-T infusion
Level of CAR-T cell persistence
Tidsramme: Assessments are performed every 3 months within the first year after CAR-T infusion
Duration of CAR-T cell persistence in patients
Assessments are performed every 3 months within the first year after CAR-T infusion
Adverse events
Tidsramme: Assessments are performed during the first two years following CAR-T infusion
Adverse events following CAR-T cell infusion
Assessments are performed during the first two years following CAR-T infusion

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Tongji Hospital

Etterforskere

  • Hovedetterforsker: Jia Wei, Tongji Hospital

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

22. mai 2026

Primær fullføring (Antatt)

31. mai 2029

Studiet fullført (Antatt)

31. mai 2030

Datoer for studieregistrering

Først innsendt

21. mai 2026

Først innsendt som oppfylte QC-kriteriene

29. mai 2026

Først lagt ut (Faktiske)

1. juni 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

1. juni 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

29. mai 2026

Sist bekreftet

1. mai 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • TJ-IRB202603111

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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Forhold

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Legemiddelintervensjoner

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Steder

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