Clinical Trials

Inclusion Criteria:

• Male and female adults ≥ 18 years.

• Participants with confirmed gastric, esophageal or gastroesophageal malignancy undergoing staging evaluation for treatment planning.

• Eastern Cooperative Oncology Group (ECOG) performance status ≤2.

• Provided signed, written informed consent prior to any study-related procedures.

• Participants are required to have a ceCT scan of chest, abdomen and pelvis as per standard clinical practice and practice guidelines either 21 days or less prior to entry or planned within 21 days of [¹⁸F]FAPI-74 administration.

• For women who are not postmenopausal (two years of amenorrhea) or surgically sterile (absence of ovaries and/or uterus): agreement to use medically accepted, highly effective methods of contraception (e.g., hormonal implants, combined oral contraceptives, vasectomized partner, during the trial intervention period.

Exclusion Criteria:

• Unequivocal evidence of metastases at the time of enrollment that would preclude surgery as a treatment option.

• Known hypersensitivity to [¹⁸F]FAPI-74.

• Administration of another investigational diagnostic or therapeutic product within 30 days prior to [¹⁸F]FAPI-74 administration.

• Prior administration of a radiopharmaceutical within 10 half-lives of that product from the time of [¹⁸F]FAPI-74 administration.

• Previous cancer (except basal cell carcinoma of the skin or in situ carcinoma of the cervix/uterus (participants treated with curative intent and disease free for more than 5 years are permitted).

• Hepatic function: T. bili >1.5X ULN or alk phos, ALT, or AST >5X ULN

• Renal function: GFR < 30 mL/min

• Pregnant or currently breast feeding (a negative pregnancy test is required in women of childbearing potential).

• Inability to undergo the PET/CT scanning procedure.

• Inflammatory bowel disease (Crohn's disease, ulcerative colitis)

• Sarcoidosis

• Treatment, including chemotherapy, radiation, immunotherapy or surgery for curative intent of Gastroesophageal cancers

Note: Other protocol defined Inclusion/Exclusion Criteria may apply.

Eligibility last updated 03/30/2026. Questions regarding updates should be directed to the study team contact.