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This study evaluates the c-MET inhibitor ABN401 in patients with advanced solid tumors that carry MET gene alterations (such as an exon 14 skipping mutation or gene amplification). It enrolls patients aged 19 and over whose disease has progressed after standard therapy or who have no remaining standard treatment options. It is in Phase 2 and is currently recruiting.
The summary above is a plain-language rendering of the official record. The original English title is shown for reference.
Criteria are reproduced from the ClinicalTrials.gov record in the original English. Only the trial team can determine eligibility.
Inclusion Criteria:
1. Informed consent for KOSMOS-II master observation study
2. Male or female ≥19 years of age
3. Histologically confirmed advanced solid cancers who harboring c-MET alterations (patients who performed NGS tests and c-MET alterations confirmed in molecular tumor board \[MTB\]) - exon 14 skipping mutation except for non-small cell lung cancer (NSCLC)
* c-MET amplification GCN (gene copy no.) ≥6 by NGS
* Fluorescence/Silver In situ hybridization (FISH/SISH) result of the MET/CEP7 ratio ≥2
* Other MET alterations that are regarded to be actionable by the KOSMOS MTB
4. Disease progression during or after standard therapy and without further treatment options, or no standard therapy, or ineligible for standard therapy
5. At least one measurable or evaluable lesion based on Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1
6. Eastern Cooperative Oncology Group Performance Status 0-2
7. Capable to eat food
8. Adequate organ functions
* Absolute neutrophil count (ANC) ≥1500/mm3 (ie, 1.5×109/L by International - Unit \[IU\]); excluding measurements obtained within 7 days after administration of granulocyte colony stimulating factor (G-CSF)
* Platelet count ≥75000/mm3 (IU: ≥75×109/L); excluding measurements obtained within 7 days after transfusion of platelets.
* Hemoglobin value of ≥8.0 g/dL
* AST/ALT ≤3×upper limit of normal (ULN); if liver function abnormalities are due to underlying liver metastasis, AST / ALT ≤5×ULN
* Total serum bilirubin of ≤1.5×ULN
* Creatinine clearance (CrCl) of ≥50 mL/min (MDRD)
9. Have a life expectancy of at least 90 days
10. If not menopausal or surgically sterile, willing to practice at least one of the following highly effective methods of birth control for at least a (partner's) menstrual cycle before and for 3 months after study drug administration:
* Barrier type devices (examples are condom, diaphragm, and contraceptive sponge) used only in combination with a spermicide
* Sexual intercourse with vasectomized male/sterilized female partner
* Hormonal female contraceptive (oral, parenteral, intravaginal, implantable, or transdermal) for at least 3 consecutive months prior to investigational product administration (when not clinically contraindicated as in breast, ovarian and endometrial cancers)
* Use of an intrauterine contraceptive device
* Note: Abstinence, the rhythm method, and/or contraception by the partner are not acceptable methods of birth control
11. Willing to provide available tissue specimens and consent to blood collection for evaluation of biomarkers
* Archival tissue specimens: formalin-fixed, paraffin-embedded tissues
* Optional fresh tissue collection prior to ABN401 administration
Exclusion Criteria:
1. Previous treatment with c-MET inhibitor
2. NSCLC with c-MET exon 14 skipping mutation
3. Previous hypersensitivity reaction to any component of study drugs
4. Presence or history of arrhythmia
5. Past history of
① Major surgery within 4 weeks before study (must have complete recovery from surgical complications)
② Radiotherapy within 4 weeks before study or limited radiotherapy within 2 weeks
③ Chemotherapy or biologic agents within 3 weeks before study (targeted therapy within 2 weeks and mitomycin within 5 weeks)
6. History of the following medical conditions
* Active central nervous system (CNS) metastasis (clinically unstable after stopping steroid for more than 2 months)
* Leptomeningeal metastasis
* Acute systemic infection
* Acute myocardial infarction, stable/unstable angina, symptomatic heart failure ((New York Heart Association \[NYHA\] class III or IV within the previous 6 months; if \>6 months cardiac function must be within normal limits and the patient must be free of cardiac-related symptoms)
* Clinically critical chronic vomiting or diarrhea
* Uncontrolled hypertension (systolic blood pressure \>150mmHg diastolic blood pressure\>100mmHg)
* Proteinuria (urine dipstick or 24-hour urine collection \> 1.0g): must have 24-hour urine collection if baseline urine dipstick ≥2+
* Active HBV/ HCV except for
* HBsAg (+) with undetectable HBV DNA
* If HBsAg (+) and HBV DNA (+), chronic state of infection and clinically stable after anti-viral therapy for more than 3 months
* If IgG anti-HBc (+) and past history of HBV infection, undetectable HBV DNA
* HCV Ab (+) with undetectable HCV RNA
* Severe psychiatric disorders
* Concurrent anticoagulants at therapeutic dose
* Past history of gastrointestinal perforation or fistula within 3 months before study, grade 3 or 4 of gastrointestinal bleeding/varix
7. Toxicity with prior therapy (\> grade 1) (except for alopecia, pigmentation, poor oral intake), and neuropathy (\> grade 1)
8. Pregnant or breastfeeding
9. Patients with a corrected QT interval (using Fridericia's correction formula) (QTcF) of \> 470 msec