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5T4 Targeting Nanobody Probe for PET Imaging in Solid Tumors
Preparation of 5T4 Tumor Novel Target Nanobody PET Probe and Clinical Translation in Lung Cancer
This study aims to evaluate a novel 5T4 targeted nanobody PET imaging tracer, 68Ga-MY, for the detection and evaluation of solid tumors.
The 5T4 oncofoetal antigen is considered a valuable tumor-associated antigen, which is expressed in many different cancers, but is rarely expressed in normal adult tissues. And cell surface expression of 5T4 is an important property for antibody-targeted therapies. It has been shown that 5T4 is expressed on tumour-initiating cells (TICs) and associated with worse clinical outcome. Moreover, decreased adherence due to 5T4 expression may be associated with cancer spread.
In this single-center, open-label, self-controlled study, approximately 20 patients with suspected or confirmed solid tumors will undergo PET/CT imaging using 68Ga-MY. The imaging results will be compared with 18F-FDG. The study will assess tracer uptake in tumor lesions and compare diagnostic performance between imaging methods. The results may help determine whether 68Ga-MY PET/CT can improve tumor detection, staging, and clinical evaluation in patients with solid tumors.
Studie Overzicht
Toestand
Conditie
Interventie / Behandeling
Studietype
Inschrijving (Geschat)
Fase
- Niet toepasbaar
Contacten en locaties
Studiecontact
- Naam: Hua Zhu
- Telefoonnummer: 010-88196495
- E-mail: zhuhuabch@pku.edu.cn
Studie Locaties
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Beijing Municipality
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Beijing, Beijing Municipality, China, 100142
- Beijing Cancer Hospital
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Contact:
- Hua Zhu
- Telefoonnummer: +86 010-88196495
- E-mail: zhuhuaBCH@pku.edu.cn
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Beschrijving
Inclusion Criteria:
- Patients with solid tumors;
- Presence of measurable lesions on imaging examinations;
- Expected survival ≥12 weeks.
Exclusion Criteria:
- Severe hepatic or renal dysfunction;
- Women who are planning pregnancy, pregnant, or breastfeeding;
- Unable to remain in supine position for 30 minutes;
- Refusal to participate in this clinical study;
- Diagnosis of claustrophobia or other psychiatric disorders;
- Other conditions deemed by the investigator as inappropriate for participation in the trial.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Diagnostisch
- Toewijzing: NVT
- Interventioneel model: Opdracht voor een enkele groep
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Experimenteel: 68Ga-MY PET Imaging
All study participants will be allocated to this arm (single-arm study).Study participants will undergo 68Ga-MY PET/CT scans.After the participant rests quietly for 40 minutes or 1 hour, whole-body imaging of the head and torso will be performed using a United Imaging uEXPLORER Whole-Body PET/CT scanner at 1 h, 2 h, and 3 h post-injection.
The scan range will cover from the vertex to the upper third of the thighs.
Participants who required a dynamic scan underwent a 40-min serial scan after injection of 68Ga-MY.
PET/CT static imaging was performed at 2 h and 3 h after injection.
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Alle deelnemers aan de studie ondergaan één 18F-FDG PET/CT-scan.
68Ga-MY is an investigational tracer, and all participants will undergo 68Ga-MY scanning.
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
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Radiation Dosimetry of 68Ga-MY
Tijdsspanne: 1. From the start of drug administration to 14 days after injection 2.Dynamic PET/CT scanning from 0 to 40 minutes post-injection, followed by static scans at 1 hour, 2 hours, and 3 hours post-injection. 3.Prior to each patient injection.
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Radiation Dosimetry Organ-absorbed doses (mGy/MBq) and effective dose (mSv/MBq) calculated from PET/CT data using OLINDA/EXM software based on the MIRD schema.
Organs assessed include, but are not limited to, the liver, spleen, kidneys, lungs, heart, bone marrow, and urinary bladder.
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1. From the start of drug administration to 14 days after injection 2.Dynamic PET/CT scanning from 0 to 40 minutes post-injection, followed by static scans at 1 hour, 2 hours, and 3 hours post-injection. 3.Prior to each patient injection.
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Standardized Uptake Value (SUV)
Tijdsspanne: 1. From the start of drug administration to 14 days after injection 2.Dynamic PET/CT scanning from 0 to 40 minutes post-injection, followed by static scans at 1 hour, 2 hours, and 3 hours post-injection. 3.Prior to each patient injection.
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Parameters of SUV The maximum standardized uptake value (SUVmax), mean standardized uptake value (SUVmean) and tumor/background ratio (SUVR) of 68Ga-MY in target lesions were observed.
SUVR was calculated as the SUVmax of the target lesion divided by the SUVmean of the reference normal tissue.
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1. From the start of drug administration to 14 days after injection 2.Dynamic PET/CT scanning from 0 to 40 minutes post-injection, followed by static scans at 1 hour, 2 hours, and 3 hours post-injection. 3.Prior to each patient injection.
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The ratio of Tumor SUV to background SUV (SUVR)
Tijdsspanne: 1. From the start of drug administration to 14 days after injection 2.Dynamic PET/CT scanning from 0 to 40 minutes post-injection, followed by static scans at 1 hour, 2 hours, and 3 hours post-injection. 3.Prior to each patient injection
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SUVR was calculated as the SUVmax of the target lesion divided by the SUVmean of the reference normal tissue.
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1. From the start of drug administration to 14 days after injection 2.Dynamic PET/CT scanning from 0 to 40 minutes post-injection, followed by static scans at 1 hour, 2 hours, and 3 hours post-injection. 3.Prior to each patient injection
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Medewerkers en onderzoekers
Onderzoekers
- Hoofdonderzoeker: Hua Zhu, Peking University Cancer Hospital & Institute
Studie record data
Bestudeer belangrijke data
Studie start (Geschat)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- 2024YJZ64
Plan Individuele Deelnemersgegevens (IPD)
Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?
Beschrijving IPD-plan
IPD-tijdsbestek voor delen
IPD-toegangscriteria voor delen
IPD delen Ondersteunend informatietype
- LEERPROTOCOOL
- SAP
- ICF
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
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