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Phase 1 In-vivo Biliary Study of KSP/QRH Heptapeptide Dimer

Phase 1 In-vivo Study of KSP/QRH Heptapeptide Dimer for Detection of Biliary Intra-epithelial Neoplasia

Status
Terminated
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04304781
Enrollment
12
Registered
2020-03-11
Start date
2020-09-22
Completion date
2021-12-17
Last updated
2022-11-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cholangiocarcinoma

Brief summary

The overall aim of this feasibility study is to develop new technologies for improved detection of cholangiocarcinoma using the SFE-based molecular-imaging mini-cholangioscope (MC) system. This study will combine the use of a fluorescent-labeled peptide dimer that binds specifically to know biomarkers of cholangiocarcinoma for use as a novel imaging agent to guide endoscopic biopsies. This Phase 1B study will be used to provide early evidence of efficacy for the topical application of a peptide dimer that binds to molecular targets that are specific for biliary intra-epithelial neoplasia. A dimer is needed because cancer in the biliary tract is genetically heterogeneous. QRH binds specifically to Epidermal Growth Factor Receptor (EGFR), and KSP binds specifically to Human Epithelial Growth Factor Receptor (HER2). The study will look at peptide binding in subjects having a medical condition requiring an ERCP to diagnose a potential biliary disorder. The Phase 1A first-in-human studies of safety with topical administration by ingestion of KSP/QRH dimer (HUM00141420) has been completed.

Interventions

Peptide 919288G, Lot No. 17081402, Molecular Weight 3577.0, ≥95% purity. Stored at \<20°C. Dark green, lyophilized powder in single-use amber vials.

Sponsors

Danielle Kim Turgeon
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
SCREENING
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 100 Years
Healthy volunteers
No

Inclusion criteria

Subject meets all of the following criteria: * Scheduled for an outpatient ERCP to diagnose a potential biliary disorder (such as an indeterminate biliary stricture) * Subject is medically cleared for the procedure (e.g. washout for anticoagulants, co-morbidities) * Age 18 to 100 years * Willing and able to sign informed consent

Exclusion criteria

* Subjects with known allergy or negative reaction to any components of the study drug (list these) * Subjects on active chemotherapy or radiation treatment * Pregnant or trying to conceive * Anything that, in the opinion of the investigator, would place the individual at increased risk or preclude the individual's full compliance with or completion of the study

Design outcomes

Primary

MeasureTime frameDescription
Contrast in Cell FluorescenceDuring and immediately after procedure, generally no more than 2 hoursThe fluorescence intensity will be measured by the target/background (T/B) ratio from suspicious regions of bile duct where the fluorescent-labeled peptide is administered. The intensity of the fluorescence of the abnormal tissue compared to the background tissue intensity will be analyzed using statistical analysis for significance comparing the tissue groups' mean T/B ratios.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026