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Kidney cancer scan study pulled before it even started

NCT ID NCT07084909

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled This study
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study aimed to see if a special PET/CT scan using a radioactive tracer called piflufolastat F 18 could better detect whether clear cell renal cell carcinoma (a type of kidney cancer) has spread. Researchers planned to enroll adults with suspected or high-risk metastatic disease. However, the study was withdrawn before any participants were enrolled, so no data was collected.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
piflufolastat F 18 (a radioactive tracer used in PET/CT scans)
What this could lead to
If successful, this imaging method could help doctors more accurately detect if kidney cancer has spread, guiding better treatment decisions.
What could go wrong
The study was withdrawn before any participants enrolled, so no results are available. It is unclear if the approach would work as hoped.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 2/3

Runs two stages together: whether the treatment works, then large-scale confirmation.

Expected to start

Nov 2025

An estimate. Start dates often move.

Expected to finish

Sep 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Male and female patients ≥18 years of age 2. Patients must have the ability to understand and sign an approved informed consent form (ICF) 3. Patients must have the ability to understand and comply with all protocol requirements. 4. Subjects should satisfy the following criteria: 1\) For the Phase 2 (dose optimization) portion of the study: ccRCC patients with at least one suspected metastatic lesion identified by conventional imaging scans at the time of enrolling in the study 2) For the Phase 3 portion of the study: Patients must be suspected of having or be at high risk for developing metastatic disease. This patient population is generally defined as one of the following: 1. Newly diagnosed ccRCC patients or post- nephrectomy/post-partial nephrectomy patients with radiographically suspected ccRCC metastatic disease by conventional imaging (CI) planned for biopsy to confirm metastatic disease 2. T2B-T4, N0, M0 as assessed by conventional imaging (CI) at initial staging pre-nephrectomy/pre-partial nephrectomy 3. Confirmed ccRCC with high risk of metastatic recurrence post nephrectomy pT1b or higher with G3-4 N0( or pNX where clinically N0)M0. Patients must be N0, M0 on the follow up CI not more than 60 days prior to piflufolastat F18 scan 4. Patients with new radiographically suspected oligometastatic ccRCC (up to 5 metastatic lesions at presentation) planned for nephrectomy or biopsy for lesion verification of at least one suspected metastatic lesion 5\. Completed staging evaluation with baseline conventional imaging (contrast-enhanced CT or contrast-enhanced MRI of the chest, abdomen, and pelvis, or skull base to mid thigh FDG PET)less than or equal to 60 days prior to piflufolastat F 18 PET/CT (Day 1). If baseline conventional imaging was performed outside of the 60-day window, it can be repeated during the screening period provided that there are at least 24 hours between conventional imaging and piflufolastat F 18 (Day 1). Conventional imaging must be available for central evaluation. 6\. Patients must have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2. 7\. Patients with life expectancy of at least 6 months as determined by the investigator or treating physician. Exclusion Criteria: 1. Patients administered any high energy (\>300 KeV) gamma-emitting radioisotope within five (5) physical half-lives, prior to Day 1. 2. Known hypersensitivity to the components of piflufolastat F 18 or its analogs. 3. Pregnant or breastfeeding females. Pregnancy testing will be performed in potentially childbearing women prior to piflufolastat F 18 administration on Day 1. 4. Prior imaging with girentuximab or any PSMA-PET agent or any non-approved ccRCC imaging agent within the last 3-months prior to piflufolastat F 18 PET/CT. 5. Patients who are in active systemic therapy for metastatic ccRCC prior to piflufolastat F 18 PET/CT. 30-day (12 weeks for immunotherapy) washout period is required from the last dose of systemic therapy to piflufolastat F18 administration. 6. Patients who are expected to receive anti-cancer treatment between baseline conventional imaging, piflufolastat F 18 PET/CT, biopsy, or surgery. 7. Evidence of any other active malignancy within the past 3 years, except non-melanoma skin cancer, carcinoma in situ, adequately treated Stage 1 cancer from which the patent is in remission and has been in remission for a minimum of 2 years. Any adjuvant or maintenance systemic chemotherapy must have been completed at least 30 days prior to piflufolastat F 18 PET/CT administration (12-week washout if immunotherapy). 8. Patients with any medical condition or other circumstances that, in the opinion of the investigator, compromise the safety or compliance of the subject to produce reliable data or completing the study. 9. Patients requiring dialysis.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Washington University in St. Louis

    St Louis, Missouri, 63130, United States

  • XCancer

    Omaha, Nebraska, 68130, United States

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Other studies related to the condition(s) this trial covers.