Open-Label Study of BBO-10203 in Subjects With Advanced Solid Tumors

Trial statusRecruiting
Trial phasePhase 1
Trial typeInterventional
Biological sexAll
Age18+
SponsorTheRas, Inc., d/b/a BBOT (BridgeBio Oncology Therapeutics)

About this trial

First in human study to evaluate the safety, tolerability, and pharmacokinetics (PK) of BBO-10203, a PI3Kα:RAS breaker, alone and in combination with other anti-cancer agents in patients with advanced solid tumors.

Eligibility criteria

Qualifiers

Locally advanced and unresectable or metastatic HER2-positive advanced breast cancer (aBC), HR-positive/HER2-negative advanced breast cancer, KRAS mutant advanced colorectal cancer (aCRC), or KRAS mutant advanced non-small cell lung cancer (aNSCLC)

Measurable disease by RECIST v1.1 (except for HR-positive HER2-negative aBC where evaluable bone-only disease is permitted)

Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0-1

Adequate LVEF assessed by ECHO or MUGA (BBO-10203 + Trastuzumab cohorts only)

Disqualifiers

Patients with KRAS mutant aCRC who have KRAS G12R mutation, BRAFV600E mutation, HER2amp, or dMMR/MSI-H tumors

Patients with KRAS mutant aNSCLC who have KRAS G12R mutation, or tumors with other targetable driver mutations (eg, EGFR, anaplastic lymphoma kinase, ROS1/BRAF/RET/MET/EGFR exon20 insertion/NTRK/HER2)

Patients with untreated and/or non-stable brain metastases

Trial design

Treatments tested in this trial

  • BBO-10203
  • Trastuzumab
  • Fulvestrant
  • Ribociclib
  • FOLFOX
  • Bevacizumab

Treatment groups

392 Participants
are divided into 5 treatment groups