Open Actively Recruiting

Phase 1a/1b Study of Aplitabart (IGM-8444) Alone or in Combination in Participants With Relapsed, Refractory, or Newly Diagnosed Cancers


Brief Summary

This study is a first-in-human, Phase 1a/1b, multicenter, open-label study to determine the safety, tolerability, and pharmacokinetics of aplitabart as a single agent and in combination in participants with relapsed and/or refractory solid or hematologic cancers, as well as newly diagnosed cancers, and an open-label, randomized study of aplitabart+FOLFIRI+bevacizumab.

Primary Purpose
Study Type
Phase 1


Healthy Volunteers
Minimum Age
18 Years
Maximum Age

Key Inclusion Criteria:

  • Age ≥ 18 years at time of signing ICF
  • ECOG Performance Status of 0 or 1
  • Histologic documentation of incurable, locally advanced or metastatic tumor of the type being evaluated in individual cohorts.
  • Adequate hepatic and renal function and adequate bone marrow reserve function.
  • For combination cohorts, participants must be eligible to receive the chemotherapy or targeted agent.
  • Ph1a only: No more than three prior therapeutic regimens.
  • Ph1b only: Must be FOLFIRI naïve participants and must have received only 1 prior therapeutic regimen administered for the treatment of cancer in the advanced/metastatic setting - OR - FOLFIRI naïve participants that only received adjuvant therapy who progressed within six months after completing adjuvant therapy, and are confirmed to have locally advanced/metastatic disease

Key Exclusion Criteria:

  • Inability to comply with study and follow-up procedures.
  • Prior DR5 agonist therapy.
  • Concomitant use of agents well-known to cause liver toxicity.
  • Concomitant use of anti-cancer agents
  • Palliative radiation to bone metastases within 2 weeks prior to Day 1.
  • Major surgical procedure within 4 weeks prior to Day 1.
  • Untreated or active central nervous system (CNS) metastases (progressing or requiring anticonvulsants or corticosteroids for symptomatic control). Participants with a history of treated CNS metastases are eligible.
  • Prior use of any chemotherapeutic agent or small molecule inhibitors (SMI) within 2 weeks or 5 half-lives, prior to the first dose of study treatment
  • Treatment with a monoclonal antibody, or any other anticancer agent (including biologic, experimental, or hormonal therapy) investigational or otherwise, that is not chemotherapy or a SMI, within 4 weeks or five half-lives prior to first dose of study treatment.
  • Ph1b: Participants who have previously received FOLFIRI treatment in the adjuvant, advanced, or metastatic disease setting

Join this Trial

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Study Stats
Protocol No.
Colorectal Cancer
  • UCLA Alhambra
  • UCLA Encino
  • UCLA Irvine
  • UCLA Santa Barbara
  • UCLA Santa Monica
  • UCLA Ventura
  • UCLA Westwood
For Providers
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