Actively Recruiting

Phase 1
Age: 18Years +
All Genders
NCT05335811

First-in-Human Assessment of Safety, Biodistribution and Pharmacokinetics of 18F-Fluoro-1-Naphthol (18F-4FN) for PET Imaging

Led by M.D. Anderson Cancer Center · Updated on 2026-04-16

55

Participants Needed

1

Research Sites

308 weeks

Total Duration

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AI-Summary

What this Trial Is About

18F-4FN represents a novel PET agent for imaging inflammation. Acute inflammatory signaling through the TLR axis recruits neutrophils and macrophages to inflammatory sites. Both cells activate the production of high energy reactive oxygen species/reactive nitrogen species (RONS), setting off a cascade that can be leveraged to detect the presence of these inflammatory cells by molecular imaging. 18F-4FN is efficiently oxidized by high energy RONS, leading to retention and accumulation in human neutrophil-like cells in vitro, and at the sites of acute inflammation in vivo. Like 18F-FDG, 18F-4FN clears rapidly through the kidney at 1 hr following i.v. injection

CONDITIONS

Official Title

First-in-Human Assessment of Safety, Biodistribution and Pharmacokinetics of 18F-Fluoro-1-Naphthol (18F-4FN) for PET Imaging

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Patient /= 18 years of age.
  • Patients with histologic diagnosis of solid or liquid tumor treated by ICI with evidence of or clinical suspicion of irAE or patients with suspected inflammation.
  • Normal range standard renal and liver function tests for age: eGFR /= 60 mL/min/1.73 m2 Adequate liver function: Bilirubin 64 the upper limit of normal (ULN) Alkaline phosphatase, alanine aminotransferase (ALT), and aspartate aminotransferase (AST) 64 the ULN
Not Eligible

You will not qualify if you...

  • Pregnant or lactating women.
  • Subjects with contraindications to the use of [18F]4FN including confirmed allergy.
  • Patients with a body weight of 400 pounds or more, or a BMI which precludes their entry into the bore of the PET/CT scanner.
  • Any additional medical condition, serious concurrent illness, or other extenuating circumstance that may significantly interfere with study compliance.
  • Children below the age of 18.

AI-Screening

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Trial Site Locations

Total: 1 location

1

MD Anderson Cancer Center

Houston, Texas, United States, 77030

Actively Recruiting

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Research Team

S

Sanjit Tewari, MD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

DIAGNOSTIC

Number of Arms

1

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