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Clinical Study of 177Lu-JH040182 in Patients With FAP-Positive Malignancies

First-in-Human Safety and Dosimetry Study of ¹⁷⁷Lu-FAPI in Patients With FAP-Positive Malignancies

This first-in-human study aimed to assess the safety and internal radiation dosimetry of 177Lu-JH040182, a novel FAP-targeted radiopharmaceutical, in patients with FAP-positive tumors. All patients underwent screening via 68Ga-FAPI PET/CT. Those confirmed to have FAP-positive lesions on PET imaging received administration of 177Lu-JH040182, and serial-time-point SPECT images were acquired for internal radiation dosimetry calculations.

Studieoversigt

Detaljeret beskrivelse

Cancer-associated fibroblasts (CAFs) constitute a critical component of the tumor microenvironment and are widely distributed in the stroma of various malignancies. Fibroblast activation protein (FAP), a specific biomarker of CAFs, is overexpressed in more than 90% of malignant tumors but exhibits limited expression in normal tissues, rendering it an ideal target for the diagnosis and treatment of multiple cancers. To date, a variety of FAP-targeted radiopharmaceuticals have been developed for radionuclide therapy, such as 177Lu-FAPI-46 and 177Lu-FAP-2286. These agents have demonstrated potent anti-tumor efficacy and a favorable toxicity profile in oncological treatment. The novel radiopharmaceutical 177Lu-JH040182 also exhibits excellent in vitro and in vivo stability. Preclinical investigations have validated its high binding affinity, favorable safety profile and outstanding tumor selectivity, enabling specific accumulation within neoplastic tissues.

This study aimed to evaluate the dosimetric effects, toxicities and therapeutic efficacy of 177Lu-JH040182 in patients with advanced metastatic cancers who failed all prior therapeutic regimens without meaningful clinical improvement. Eligible patients first underwent 68Ga-FAPI PET/CT to confirm FAP-positive lesions (defined as >50% of lesions with an SUVmax exceeding 10). Upon confirmation, patients received intravenous administration of 177Lu-JH040182 at a radioactivity dose ranging from 5.55 to 7.40 GBq. Serial SPECT imaging was subsequently performed at multiple time points for each subject, and the absorbed doses to tumor lesions and normal physiological organs were quantified using the Hermes system software.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

3

Fase

  • Fase 1

Kontakter og lokationer

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

Studiesteder

    • Fujian
      • Fuzhou, Fujian, Kina, 350005
        • Department of Nuclear Medicine, First Affiliated Hospital of Fujian Medical University

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:

  • progressive advanced metastatic tumors
  • tumors with high FAP expression confirmed on 68Ga-FAPI PET/CT (defined as a maximum standardized uptake value ≥10 in more than 50% of tumor lesions)
  • an Eastern Cooperative Oncology Group performance status of 0-2

Exclusion Criteria:

  • pregnant or lactating women
  • received other radionuclide therapy in the past 6 months
  • received chemotherapy, radiotherapy and other anti-tumor treatments in the past 28 days

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: Intravenous administration of 177Lu-JH040182
It is planned to recruit 3 subjects with FAP-positive tumors for administration of 177Lu-JH040182 at a dose ranging from 5.55 to 7.50 GBq.
Subjects will receive intravenous administration of 177Lu-JH040182 at an activity of approximately 5.55-7.50 GBq.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Toxic and side effect
Tidsramme: From enrollment till 30 days safety follow-up, assessed up to 50 months (estimated final OS analysis)
The distribution of adverse events (AE) will be done via the analysis of frequencies for treatment emergent Adverse Event (TEAEs), Serious Adverse Event (TESAEs) and Deaths due to AEs, through the monitoring of relevant clinical and laboratory safety parameters.
From enrollment till 30 days safety follow-up, assessed up to 50 months (estimated final OS analysis)

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Dosimetry of normal organs and tumors
Tidsramme: through study completion, an average of 4 weeks
After the initial administration of 177Lu-JH040182, SPECT images will be acquired at multiple time points. The Hermes system will be used to calculate and record the absorbed doses of normal organs and tumors.
through study completion, an average of 4 weeks

Samarbejdspartnere og efterforskere

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

Efterforskere

  • Ledende efterforsker: Weibing Miao, MD, the First Affiliated Hospital, Fujian Medical 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 (Faktiske)

1. april 2025

Primær færdiggørelse (Anslået)

31. december 2026

Studieafslutning (Anslået)

31. december 2027

Datoer for studieregistrering

Først indsendt

26. juni 2026

Først indsendt, der opfyldte QC-kriterier

26. juni 2026

Først opslået (Faktiske)

2. juli 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

2. juli 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

26. juni 2026

Sidst verificeret

1. juni 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • FirstAHFujian-177Lu-JH040182

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

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