First-in-Human Study of the SHP2 Inhibitor BBP-398 in Patients With Advanced Solid Tumors
![]() |
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04528836 |
Recruitment Status :
Recruiting
First Posted : August 27, 2020
Last Update Posted : February 24, 2021
|
- Study Details
- Tabular View
- No Results Posted
- Disclaimer
- How to Read a Study Record
Condition or disease | Intervention/treatment | Phase |
---|---|---|
Tumor, Solid | Drug: BBP-398 (Formerly Known as IACS-15509) | Phase 1 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 60 participants |
Allocation: | Non-Randomized |
Intervention Model: | Sequential Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Other |
Official Title: | A Phase 1/1B First-in-Human Study of the SHP2 Inhibitor BBP-398 (Formerly Known as IACS-15509) in Patients With Advanced Solid Tumors |
Actual Study Start Date : | November 12, 2020 |
Estimated Primary Completion Date : | July 2023 |
Estimated Study Completion Date : | December 2023 |
Arm | Intervention/treatment |
---|---|
Experimental: Dose Escalation Level 1
Level 1 oral capsules. Each treatment cycle will be 28 days in duration with BBP-398 administered, once daily (QD).
|
Drug: BBP-398 (Formerly Known as IACS-15509)
oral capsules |
Experimental: Dose Escalation Level 2
Level 2 oral capsules. Each treatment cycle will be 28 days in duration with BBP-398 administered, once daily (QD).
|
Drug: BBP-398 (Formerly Known as IACS-15509)
oral capsules |
Experimental: Dose Escalation Level 3
Level 3 oral capsules. Each treatment cycle will be 28 days in duration with BBP-398 administered, once daily (QD).
|
Drug: BBP-398 (Formerly Known as IACS-15509)
oral capsules |
Experimental: Dose Escalation Level 4
Level 4 oral capsules. Each treatment cycle will be 28 days in duration with BBP-398 administered, once daily (QD).
|
Drug: BBP-398 (Formerly Known as IACS-15509)
oral capsules |
Experimental: Dose Escalation Level 5
Level 5 oral capsules. Each treatment cycle will be 28 days in duration with BBP-398 administered, once daily (QD).
|
Drug: BBP-398 (Formerly Known as IACS-15509)
oral capsules |
Experimental: Dose Escalation Level 6
Level 6 oral capsules. Each treatment cycle will be 28 days in duration with BBP-398 administered, once daily (QD).
|
Drug: BBP-398 (Formerly Known as IACS-15509)
oral capsules |
Experimental: Expansion Cohort A: Advanced KRAS G12C NSCLC
MTD/RP2D defined dose. Oral capsules Each treatment cycle will be 28 days in duration with BBP-398 administered, once daily (QD)
|
Drug: BBP-398 (Formerly Known as IACS-15509)
oral capsules |
Experimental: Expansion Cohort B: Advanced KRAS G12C non-NSCLC
MTD/RP2D defined dose. Oral capsules Each treatment cycle will be 28 days in duration with BBP-398 administered, once daily (QD)
|
Drug: BBP-398 (Formerly Known as IACS-15509)
oral capsules |
Experimental: Expansion Cohort C: Advanced solid tumor with other MAPK-
MTD/RP2D defined dose. Oral capsules Each treatment cycle will be 28 days in duration with BBP-398 administered, once daily (QD)
|
Drug: BBP-398 (Formerly Known as IACS-15509)
oral capsules |
Experimental: Expansion Cohort D: Advanced EGFR-mutant NSCLC
MTD/RP2D defined dose. Oral capsules Each treatment cycle will be 28 days in duration with BBP-398 administered, once daily (QD)
|
Drug: BBP-398 (Formerly Known as IACS-15509)
oral capsules |
- Determination of Maximum Tolerated Dose (MTD) of BBP-398. [ Time Frame: Completion of 1 Cycle ( 28 days) ]The MTD will be based on DLT.
- Determination of anti-tumor activity of BBP-398 [ Time Frame: Completion of 1 Cycle ( 28 days) ]Anti-tumor activity will be defined by objective response rate (ORR2, complete response + partial response rate) and duration of response (DOR3)

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion
- Male and non-pregnant females >18 years old.
- Patients must have a diagnosis of advanced (primary or recurrent) or metastatic solid tumor with MAPK-pathway alterations (excluding BRAF V600X) as assessed by clinically validated and/or FDA-approved molecular diagnostic and no available standard of care or curative therapies (MAPK-pathway alterations include, for example KRASG12C mutant, EGFR-mutant; see Appendix 1).
- Dose expansion only: Patients with the following genomically defined tumor types will be recruited.
- Patients must have measurable disease by RECIST v1.1.
- Patients must have an Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0-2.
- Patients must have adequate organ function.
- Patients must be ≥3 weeks beyond treatment with any chemotherapy or other investigational therapy.
- Women of childbearing potential (WOCBP) MUST have a negative serum or urine HCG test.
- Patients must have the ability to understand and the willingness to sign a written informed consent document prior to the initiation of the study and any study procedures.
- Patients must be willing and able to comply with the scheduled visits, treatment plan, laboratory tests and other specified study procedures.
Exclusion Criteria
- Patients with known active Hepatitis B, Hepatitis C infection, or HIV infection.
- Patients with active infection requiring intravenous (IV) antibiotics or other uncontrolled intercurrent illness requiring hospitalization. Minor infections are allowed.
- Patients with a history of CVA, myocardial infarction or unstable angina within the previous 6 months before starting therapy.
- Patients with clinically significant cardiac disease.
- Patients with a history of LVEF <50% within the previous 12 months.
- Patients with a history of retinal vein occlusion (RVO).
- Patients with tumors harboring known activating mutations in BRAF V600X, PTPN11 (SHP2) or RAS Q61.
- Patients with a known additional malignancy that is progressing or requires active treatment. Exceptions include basal cell carcinoma of the skin, squamous cell carcinoma of the skin that has undergone potentially curative therapy or in situ cervical cancer.
- Patients with known central nervous system (CNS) tumors.
- Patients with known active CNS metastases and/or carcinomatous meningitis. Patients with previously treated brain metastases may participate provided they are stable.
- Patients who have undergone major surgery within 4 weeks prior to study enrollment.
- Patients who have previously received a SHP2 inhibitor.
- Patients with inability to swallow oral medications.
- Patients should not have gastrointestinal illness that would preclude the absorption of an oral agent.
- Patients on dialysis.
- Female patients who are pregnant, planning to become pregnant, or who are breastfeeding.
- Any patient, who in the opinion of the investigator, is likely to be unable to comply with the study procedures.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04528836
Contact: Vaeling Clinical Operations Lead | 14082031726 | vaeling.miller@bridgebio.com |
United States, Colorado | |
Sarah Cannon Research Institute | Recruiting |
Denver, Colorado, United States, 80218 | |
Contact: Study Coordinator 720-754-2610 | |
Principal Investigator: Gerald Falchook, MD | |
United States, Texas | |
The University of Texas MD Anderson Cancer Center | Recruiting |
Houston, Texas, United States, 77096 | |
Contact: Study Coordinator askMDAnderson 877-632-6789 | |
Principal Investigator: David Hong, MD | |
NEXT Oncology | Recruiting |
San Antonio, Texas, United States, 78229 | |
Contact: Study Coordinator 210-589-9500 | |
Principal Investigator: Karim Raghad, MD | |
United States, Utah | |
Huntsman Cancer Institute | Recruiting |
Salt Lake City, Utah, United States, 84112 | |
Contact: Study Coordinator 888-424-2100 cancerinfo@hci.utah.edu | |
Principal Investigator: Ignacio Garrido-Laguna, MD |
Study Chair: | Carl Dambkowski, MD, VP Clinical Strategy, MD | Navire Pharma Inc. |
Responsible Party: | Navire Pharma Inc. |
ClinicalTrials.gov Identifier: | NCT04528836 |
Other Study ID Numbers: |
NAV-1001 |
First Posted: | August 27, 2020 Key Record Dates |
Last Update Posted: | February 24, 2021 |
Last Verified: | February 2021 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Cancer MAPK-pathway alterations |