Status:

COMPLETED

A Study of XmAb®18087 in Subjects With NET and GIST

Lead Sponsor:

Xencor, Inc.

Collaborating Sponsors:

ICON plc

Conditions:

Neuroendocrine Tumor

Gastrointestinal Neoplasm

Eligibility:

All Genders

12+ years

Phase:

PHASE1

Brief Summary

This is a Phase 1, multiple dose, ascending dose escalation study; to define a MTD/RD and regimen consisting of a first "priming" dose and escalated subsequent doses of XmAb18087; to describe safety a...

Eligibility Criteria

Inclusion

  • Histologically or cytologically confirmed well differentiated low or intermediate grade (World Health Organization \[WHO\] Grade 1 or 2) NET of pancreatic, gastrointestinal, lung, or undetermined origin that is locally advanced or metastatic and has progressed within the past 12 months
  • Histologically confirmed GIST that is locally advanced or metastatic
  • NET and GIST tumors must be unresectable
  • NET subjects must have progressed on or been ineligible for treatment with somatostatin analogues (SSA) and at least one other FDA-approved targeted therapy (everolimus or sunitinib).
  • GIST subjects must have previously received all FDA-approved therapies (imatinib mesylate, sunitinib malate, and regorafenib) for which they are eligible
  • Must have disease measurable by RECIST 1.1 criteria using either computed tomography (CT) or magnetic resonance imaging (MRI) scan
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1

Exclusion

  • Diagnosis of high-grade (WHO Grade 3) or poorly differentiated NET; high-grade neuroendocrine carcinoma; large cell neuroendocrine carcinoma, small cell carcinoma, or mixed small and large cell carcinoma.
  • Subjects currently receiving anti-cancer therapies (other than SSAs, which may continue).
  • Subjects who have received anti-cancer therapies within 2 weeks of the start of study drug (including chemotherapy, radiation therapy, immunotherapy, etc.).
  • Must not be experiencing a Grade 3 or 4 toxicity from previous anti-cancer treatment
  • Must not be receiving other anti-cancer therapies (except somatostatin analogues, which may be allowed)
  • Must not have poorly controlled diabetes mellitus, known central nervous system involvement by malignant disease or insufficient bone marrow, renal, or hepatic function

Key Trial Info

Start Date :

January 22 2018

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

October 26 2021

Estimated Enrollment :

62 Patients enrolled

Trial Details

Trial ID

NCT03411915

Start Date

January 22 2018

End Date

October 26 2021

Last Update

May 10 2022

Active Locations (16)

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Page 1 of 4 (16 locations)

1

Mayo Clinic

Phoenix, Arizona, United States, 85054

2

City of Hope Medical Center

Duarte, California, United States, 91010

3

Cedars-Sinai Medical Center, Samuel Oschin Comprehensive Cancer Institute

Los Angeles, California, United States, 90048

4

Stanford Cancer Center

Palo Alto, California, United States, 94304