RecruitingEarly Phase 1NCT07473102

PET Imaging of MMP Activation in AAA: Clinical Component


Sponsor

Washington University School of Medicine

Enrollment

28 participants

Start Date

Nov 3, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

A first-in-human evaluation of \[64Cu\]-RYM2 with PET/CT will be performed to: a) assess its safety, biodistribution, and radiation dosimetry in normal volunteers (WU) and; b) in AAA patients undergoing surgery (WU and Yale), evaluate radiotracer pharmacodynamics and correlate PET imaging characteristics (WU) with ex vivo tissue measurements (Yale).


Eligibility

Min Age: 18 Years

Inclusion Criteria12

  • No history of claustrophobia or other preventing condition that has previously or would interfere with completion of protocol-specified imaging sessions.
  • Able to comprehend and willing to follow instructions for the study procedures as called for by the protocol.
  • Capable of lying still and supine within the PET/CT scanner for \~1 hour and follow instructions for breathing protocol during the CT portion.
  • No illicit drug use or other inhaled drug use (including pharmacologic agents, recreational agents, or illicit drugs) within the past year.
  • No known history of cardiac, pulmonary, hepatic or renal disease or diabetes
  • BMI ≤ 40
  • Men or women 40-80 years of age
  • Willing and able to provide informed consent
  • Medically managed hypertension and hyperlipidemia
  • No history of claustrophobia or other preventing condition that has previously or would interfere with completion of protocol-specified imaging sessions
  • Able to comprehend and willing to follow instructions for the study procedures as called for by the protocol
  • Patients with AAA indicated for surgical repair (5.0 \[female\] - 5.5cm \[male\]), incidentally identified large(r) AAAs (\>5.5 or 6.0 cm), and rapidly expanding AAAs (\> 0.5 cm in 6 months or \> 1 cm in 12 months) per Guidelines of the Society for Vascular Surgery.

Exclusion Criteria17

  • Inability to receive and sign informed consent;
  • Pregnant (confirmed by urine pregnancy test) and/or breastfeeding
  • Patient with chronic renal disease whose glomerular filtration rate (GFR) is less than 30 mL/min/1.73 m2
  • Patients with an unstable clinical condition that in the opinion of the principal investigators or designee precludes participation in the study.
  • Is deemed likely to be unable to perform all research procedures for any reason, (e.g., subjects unable to lie still or inability to tolerate up to 60 minutes in a supine position with arms up during the PET imaging procedures due to chronic back/shoulder pain or arthritis as assessed by physical examination and medical history).
  • Currently using recreational drugs.
  • Body weight of \>300 lbs. (weight limit of the PET table).
  • Currently enrolled in another study using an investigational drug or underwent a study the last year involving investigational use of radiotracers or CT would confound results or with a radiation exposure when combined with this study would be deemed as excessive by the Sponsor-Investigator.
  • Inability to receive and sign informed consent.
  • Currently enrolled in another study using an investigational drug
  • Pregnant (confirmed by urine pregnancy test) and/or breastfeeding
  • Patient with chronic renal disease whose GFR is less than 30 mL/min/1.73 m2
  • Documented allergy to iodinated contrast and/or shellfish
  • Patients with an unstable clinical condition that in the opinion of the principal investigators or designee precludes participation in the study.
  • Inability to tolerate 60 minutes in a supine position with arms down at sides, as necessary for PET/CT.
  • Other conditions such as symptomatic/recently treated coronary disease, cancer requiring oncologic management, or autoimmune/inflammatory diseases (e.g., rheumatoid arthritis or multiple sclerosis).
  • Non-AAA volunteers may not carry a diagnosis of aortoiliac occlusive disease, as documented by their treating vascular surgeon, as significantly progressed atherosclerotic disease may demonstrate exaggerated, associated MMP activity.

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Interventions

DRUGCu-64-RYM2

PET/CT scan

DRUGPET imaging using Cu-64

PET/CT at different timepoints


Locations(1)

Washington University School of Medicine

St Louis, Missouri, United States

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NCT07473102


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