BBO-11818 in Adult Subjects With KRAS Mutant Cancer
A Phase 1a/1b Open-Label Study Evaluating the Safety, Tolerability, Pharmacokinetics, and Efficacy of BBO-11818 in Subjects With Advanced KRAS Mutant Cancers
2 other identifiers
interventional
387
1 country
11
Brief Summary
A first in human study to evaluate the safety and preliminary antitumor activity of BBO-11818, a pan-KRAS inhibitor, in subjects with locally advanced unresectable or metastatic KRAS mutant solid tumors.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1 nonsmall-cell-lung-cancer
Started Mar 2025
Typical duration for phase_1 nonsmall-cell-lung-cancer
11 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
March 31, 2025
CompletedFirst Submitted
Initial submission to the registry
April 1, 2025
CompletedFirst Posted
Study publicly available on registry
April 8, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
September 1, 2029
March 23, 2026
August 1, 2025
2.3 years
April 1, 2025
March 20, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Incidence and severity of treatment emergent adverse events (TEAEs), serious adverse events (SAEs), and dose-limiting toxicities (DLTs)
approximately 5 years
Determine recommended dose of BBO-11818 in combination with pembrolizumab +/- cis/carboplatin + pemetrexed, or cetuximab +/- FOLFOX, NALIRIFOX, or Gemcitabine + Nab-paclitaxel
approximately 5 years
Secondary Outcomes (8)
Objective response rate (ORR) per RECIST v1.1 and CNS RECIST
approximately 5 years
Clinical benefit rate (CBR) per RECIST v1.1
approximately 5 years
Duration of Response (DOR) per RECIST v1.1
approximately 5 years
Progression-Free Survival (PFS) per RECIST v1.1
approximately 5 years
Overall Survival (OS)
approximately 5 years
- +3 more secondary outcomes
Study Arms (14)
Cohort 1a - Dose Escalation Monotherapy
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 as monotherapy
Cohort 1b - Dose Escalation Combination Therapy (Pembrolizumab)
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 in combination with pembrolizumab infusion (IV)
Cohort 1c - Dose Escalation Combination Therapy (Pembrolizumab + Cis/carboplatin + Pemetrexed)
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 in combination with pembrolizumab infusion (IV), cis/carboplatin infusion (IV), and pemetrexed infusion (IV)
Cohort 1d - Dose Escalation Combination Therapy (Cetuximab)
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 in combination with cetuximab infusion (IV)
Cohort 1e - Dose Escalation Combination Therapy (FOLFOX + Cetuximab)
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 in combination with cetuximab infusion (IV) and FOLFOX infusion (IV)
Cohort 1f - Dose Escalation Combination Therapy (NALIRIFOX)
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 in combination with NALIRIFOX infusion (IV)
Cohort 1g - Dose Escalation Combination Therapy (Gemcitabine + Nab-Paclitaxel)
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 in combination with Gemcitabine infusion (IV) and Nab-Paclitaxel infusion (IV)
Cohort 2a - Dose Expansion Monotherapy
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 as monotherapy
Cohort 2b - Dose Expansion Combination (Pembrolizumab)
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 in combination with pembrolizumab infusion (IV)
Cohort 2c - Dose Expansion Combination Therapy (Pembrolizumab + Cis/carboplatin + Pemetrexed)
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 in combination with pembrolizumab infusion (IV), cis/carboplatin infusion (IV), and pemetrexed infusion (IV)
Cohort 2d - Dose Expansion Combination Therapy (Cetuximab)
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 in combination with cetuximab infusion (IV)
Cohort 2e - Dose Expansion Combination Therapy (FOLFOX + Cetuximab)
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 in combination with cetuximab infusion (IV) and FOLFOX infusion (IV)
Cohort 2f - Dose Expansion Combination Therapy (NALIRIFOX)
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 in combination with NALIRIFOX infusion (IV)
Cohort 2g - Dose Expansion Combination Therapy (Gemcitabine + Nab-Paclitaxel)
EXPERIMENTALParticipants enrolled in this cohort will receive BBO-11818 in combination with Gemcitabine infusion (IV) and Nab-Paclitaxel infusion (IV)
Interventions
Patients will receive IV pembrolizumab
Patients will receive IV platinum chemotherapy (cisplatin or carboplatin)
Participants will receive assigned dose of BBO-11818 orally (PO)
Patients will receive IV pemetrexed
Patients will receive IV cetuximab
Patients will receive IV FOLFOX
Patients will receive IV NALIRIFOX
Patients will receive IV Gemcitabine
Patients will receive IV Nab-Paclitaxel
Eligibility Criteria
You may qualify if:
- Histologically documented locally advanced and unresectable or metastatic NSCLC, PDAC, CRC, or other solid tumor with KRAS G12A, G12C, G12D, G12S, or G12V mutation
- Measurable disease by RECIST v1.1
- Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0-1
You may not qualify if:
- Malignancy within the last 2 years as specified in the protocol
- Untreated brain metastases
- Known hypersensitivity to BBO-11818 or its excipients
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (11)
The Angeles Clinic and Research Institute - West Los Angeles Office
Los Angeles, California, 90025, United States
University of California San Diego Moores Cancer Center
San Diego, California, 92037, United States
Moffitt Cancer Center
Tampa, Florida, 33612, United States
Massachusetts General Hospital
Boston, Massachusetts, 02114, United States
NYU Langone Health
New York, New York, 10016, United States
Columbia University Irving Medical Center
New York, New York, 10032, United States
Sarah Cannon Research Institute at Mary Crowley
Dallas, Texas, 75230, United States
The University of Texas MD Anderson Cancer Center
Houston, Texas, 77030, United States
NEXT Oncology
San Antonio, Texas, 78229, United States
Huntsman Cancer Institute
Salt Lake City, Utah, 84112, United States
Fred Hutchinson Cancer Center
Seattle, Washington, 98109, United States
Related Publications (1)
Stahlhut C, Maciag AE, Sullivan KA, Singh K, Gitego N, Zhang Z, Chan AH, Sharma AK, Alexander PA, Shu J, Yang Y, Rigby M, Ma R, Setoodeh S, Smith BP, Pei J, Rabara D, Larsen EK, Turner DM, Zhang C, Feng C, Feng S, Stice JP, Xu R, Lin K, Stephen AG, Lightstone FC, Ji C, Wang K, Simanshu DK, Nissley DV, Wallace E, Wang B, Sinkevicius KW, McCormick F, Beltran PJ. Discovery of BBO-11818, a Potent and Selective Noncovalent Inhibitor of (ON) and (OFF) KRAS with Activity against Multiple Oncogenic Mutants. Cancer Discov. 2026 Mar 6:OF1-OF20. doi: 10.1158/2159-8290.CD-25-1280. Online ahead of print.
PMID: 41790032DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SEQUENTIAL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 1, 2025
First Posted
April 8, 2025
Study Start
March 31, 2025
Primary Completion (Estimated)
August 1, 2027
Study Completion (Estimated)
September 1, 2029
Last Updated
March 23, 2026
Record last verified: 2025-08