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NCT05524545CompletedPhase 1

A Study of Evorpacept (ALX148) With Enfortumab Vedotin for Subjects With Urothelial Carcinoma (ASPEN-07)

A Phase 1, Open-label, Multicenter, Safety, Pharmacokinetic, Pharmacodynamic Study of ALX148 in Combination With Enfortumab Vedotin and/or Other Anticancer Therapies in Subjects With Urothelial Carcinoma (ASPEN-07)

Source: ClinicalTrials.gov · Last updated 25 Jul 2025

Brief summary (registry, in English)

AT148007 is a Phase 1, open-label, multicenter, safety, pharmacokinetic, pharmacodynamic study of ALX148 in combination with enfortumab vedotin and/or other anticancer therapies in subjects with urothelial carcinoma.

Status (registry)
Completed
Phase (registry)
Phase 1
Study type
Interventional
Enrollment
36 (actual)
First submitted
30 Aug 2022
Start date
2 Nov 2022
Primary completion date
27 Jun 2025
Lead sponsor
ALX Oncology Inc.
NCT number
NCT05524545

What you commit to

  • Study type: Interventional · Phase 1
  • Participants enrolled: 36
  • From 2 Nov 2022 to the primary completion date, 27 Jun 2025
  • 8 sites in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Prior treatment with enfortumab vedotin or other monomethylauristatin (MMAE)-based antibody-drug conjugate (ADCs)
  • Prior treatment with any anti-CD47 or anti-signal regulatory protein-α (SIRPα) agent.

Other illness

  • Known active keratitis or corneal ulcerations. Subjects with superficial punctate keratitis are allowed if the disorder is being adequately treated.
  • History of uncontrolled diabetes mellitus within 3 months of the first dose of study drug.

Other

  • Preexisting sensory or motor neuropathy Grade ≥2.
  • Presence of symptomatic or uncontrolled central nervous system (CNS) metastases.

Who the study is looking for

  • Histologically confirmed, unresectable locally advanced or metastatic urothelial carcinoma.
  • Must have received prior treatment with an immune checkpoint inhibitor (CPI).
  • Subjects must have received prior treatment with platinum-containing chemotherapy.
  • Subjects must have had progression or recurrence of urothelial cancer.
  • Subjects must have measurable disease according to RECIST (Version 1.1).
  • Adequate bone marrow function.
  • Adequate renal function.
  • Adequate liver function.
  • Adequate Eastern Cooperative Oncology Group (ECOG) performance status.

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (8)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Massachusett's General
Coordinator of this site? Confirm its status
BostonUnited StatesUnknown status
University of North Carolina
Coordinator of this site? Confirm its status
Chapel HillUnited StatesUnknown status
UT Southwestern
Coordinator of this site? Confirm its status
DallasUnited StatesUnknown status
West Clinic
Coordinator of this site? Confirm its status
GermantownUnited StatesUnknown status
Memorial Sloan-Kettering Cancer Center
Coordinator of this site? Confirm its status
New YorkUnited StatesUnknown status
Oregon Health Science University
Coordinator of this site? Confirm its status
PortlandUnited StatesUnknown status
Seattle Cancer Care Alliance
Coordinator of this site? Confirm its status
SeattleUnited StatesUnknown status
Moffitt Cancer Center
Coordinator of this site? Confirm its status
TampaUnited StatesUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.