For Healthcare Professionals

Safety and Effectiveness of ABM-168 in Adults With Advanced Solid Tumors.

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About the study

This is a Phase 1, First-in-Human (FIH), open-label, multicenter, dose escalation and dose expansion study to evaluate the safety, tolerability, pharmacokinetics and preliminary anti-tumor activity of ABM-168 in adult patients with RAS or RAF or NF-1 mutated advanced solid tumors as ABM-168 may have a significant effect in inhibiting cell growth.
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Who can take part

You may be eligible to participate in the study if you meet the following criteria:

INCLUSION CRITERIA

Inclusion Criteria:

  1. Male and female subjects age 18 years and older who are able to sign informed consent and comply with the protocol
  2. Patients with histologically or cytologically documented, locally advanced, or metastatic solid tumor malignancy that has either:
  1. failed prior standard therapy; or
  2. exhausted all existing standard therapy; or
  3. standard therapy is not considered appropriate per subject and/or investigator. No limitation on the lines of previous standard therapy received.
  4. Patients with asymptomatic or symptomatic but stable brain metastases or CNS primary malignancies who meet following criteria specifically:
  1. Asymptomatic, brain metastases or primary CNS tumors;
  2. Stable symptomatic brain metastases or CNS primary tumors not requiring steroids treatment or receiving steroids treatment (dexamethasone or equivalent) with total daily dosage no more than 4 mg, with a stable or reduced dosage of steroids within 2 weeks prior to the planned first dose
  3. ECOG performance score of 0 or 1, or Karnofsky performance score of ≥ 70.
  4. ≥ 3 months life expectancy
  5. Receiving no blood transfusions or granulocyte colony-stimulating factor (G-CSF) or other hematopoietic stimulating factors within 2 weeks prior to the planned first dosing. Adequate organ function confirmed at screening as evidenced by:
  1. Absolute Neutrophil Count (ANC) ≥ 1.5 × 10^9/L
  2. Hemoglobin (Hgb) ≥ 90 g/dL
  3. Platelets (Plt) ≥ 75 ×10^9/L
  4. AST/ALT ≤ 2.5 × Upper Limit of Normal (ULN) or ≤ 5.0 × ULN if liver metastases are present
  5. Total bilirubin ≤ 1.5 × ULN, or direct bilirubin < ULN (for patients with total bilirubin levels >1.5 ×ULN)
  6. Calculated creatinine clearance ≥ 60 mL/min
  7. International normalized ratio (INR) and activated partial thromboplastin time (APTT) ≤ 1.5 × ULN, if received no anti-coagulation medication(s); INR ) ≤ ULN, if received anti-coagulation medication(s).
  8. Average QTcF ≤ 470 ms per Fridericia formula
  9. Negative Hepatitis B Surface Antigen (HBsAg) at screening, or positive HBsAg with HBV DNA below LLN.
  1. Notes: Manage HBsAg positive subject according to the institutional standard practices (i.e., monitor HBV DNA, prescribe anti-HBV therapy as needed, etc.)
  2. Hepatitis C Virus (HCV) viral load below limit of quantification at screening, or positive HCV antibody with negative HCV-RNA.
  1. Notes: Only conduct HCV antibody and/or HCV-RNA assay in the subjects with prior history of HCV infection.
  2. Negative HIV at screening, or patients with prior history of HIV infection, CD4+ T-cell (CD4+) counts ≥ 350 cells/μL and without a history of AIDS-defining opportunistic infections.
  3. Negative serum pregnancy test within 72 hours before starting study treatment in all pre-menopausal women and women < 12 months after the onset of menopause
  4. Must agree to take sufficient contraceptive methods to avoid pregnancy, starting from the consent until 3 months post receiving the last dose of study drug
  5. Able to swallow capsule as a whole
  6. [Dose Escalation Cohorts Only] Subject with evaluable but not measurable lesion is allowed for enrollment.
  7. [Dose Expansion Cohorts Only] Subject must have at least one measurable lesion, intracranial or extracranial, detected at the baseline assessment by RECIST V1.1 criteria for solid tumors or the RANO criteria for primary CNS tumors, such as gliomas.
  1. The lesion(s) exposed to previous radiation cannot be selected as target lesion(s) at baseline assessment, unless obvious progression of the lesion(s) can be proved via the imaging assessment;
  2. For solid tumor brain metastases lesions:
  3. If the longest diameter of the measurable intracranial lesion is < 0.5 cm, then at least one extracranial measurable lesion should exist [Dose Expansion cohorts only];
  4. Measurable brain lesions that are 0.5 - 3 cm in longest diameter as defined by the modified RECIST V1.1 criteria are allowed.
  5. Brain lesion size > 3 cm is not eligible

16. Received systemic corticosteroids within 2 weeks prior to the first dose, or not recovered from adverse effects of previous corticosteroids treatment, except those as described in the inclusion criteria for subjects with brain metastases.

EXCLUSION CRITERIA

Exclusion Criteria:

  1. Women who are pregnant or breast-feeding.
  2. Have leptomeningeal disease (LMD).
  3. Have a history of stroke within 6 months prior to the first dose.
  4. Have impaired cardiac function or clinically significant cardiovascular disease(s) including but not limited to any of the following:
  1. Left ventricular ejection fraction (LVEF) < 50% as determined by cardiac ultrasound.
  2. Congenital long QT syndrome.
  3. Grade 2 type II AV block or grade 3 AV block.
  4. Unstable angina within 6 months prior to the first dose.
  5. Acute myocardial infarction within 6 months prior to the first dose.
  6. ≥ Class III heart failure per New York Heart Association (NYHA) functional classification within 6 months prior to the first dose.
  7. ≥ CTCAE Grade 2 ventricular arrhythmia within 6 months prior to study initiation.
  8. Have uncontrolled hypertension at screening, with systolic blood pressure > 160 mmHg or diastolic blood pressure > 100 mmHg after receiving anti-hypertension treatment.
  9. Have unresolved ≥ CTCAE Grade 2 diarrhea at the time of the first dose; or have gastrointestinal impairment conditions or diseases that significantly alter ABM-168 absorption at screening per investigator (e.g., ulcerative disease, poorly controlled nausea, vomiting, malabsorption syndrome, or small intestine dissection)
  10. Have ≥ CTCAE Grade 2 eye diseases at screening, such as conjunctival mixed cellular inflammation, corneal ulcer.
  11. Have severe chronic or active infection requiring intravenous antibiotic treatment(s) within 2 weeks prior to the first dose, including but not limited to hospitalization due to infection complications, bacteremia, severe pneumonia or active tuberculosis.
  1. Notes:
  2. Subjects with topical fungal infection of the skin or nails are eligible for study enrollment.
  3. Subjects receiving prophylactic antibiotics (e.g., to prevent urinary tract infections or exacerbations of chronic obstructive pulmonary disease), except for the antibiotics prohibited per protocol, are eligible for study enrollment.
  4. Received solid organ or hematopoietic bone marrow/stem cell transplantation within 5 years prior to the screening.
  5. Received chemotherapy, targeted therapy or immunotherapy within 4 weeks prior to the first dose, except for fluorouracil or small molecule target therapy.
  1. Notes: Fluorouracil or small molecule target therapy received within five half-life or 2 weeks (whichever is longer) prior to the first dose is not allowed.
  2. Received anti-tumor Chinese herbal medicines or proprietary Chinese medicines within 2 weeks prior to the first dose.
  3. Received extensive prior radiotherapy to more than 30% of bone marrow reserves; or received Whole Brain Radiation Therapy (WBRT) within 4 weeks prior to the first dose; or received palliative radiotherapy for non-target lesions (e.g., bone radiotherapy for pain relief), including stereotactic body radiotherapy (SBRT) and stereotactic radiosurgery (SRS) within 2 weeks prior to the first dose.
  4. Have adverse reactions related to previous anti-tumor therapy that have not recovered to ≤ CTCAE Grade 1 or previous baseline at screening.
  1. Notes: Subjects with alopecia, or ≤ CTCAE Grade 2 peripheral neuropathy, or hypothyroidism stabilized by hormone replacement therapy, etc. are allowed for the enrollment.
  2. Have undergone major surgery within 4 weeks prior to the first dose, or have not recovered from the side effects of major surgery, or expect to receive major surgery during study treatment.
  1. Notes: For subject who has recovered from major surgery per investigator, a minimum of 2 weeks washout between the major surgery and the first dose is required.
  2. Received therapeutic doses of warfarin sodium or any other coumarin derivative anticoagulant at screening.
    1. Notes: Subjects who received topical, intranasal or inhaled glucocorticoids; or subjects who received physiologic dose of steroids for adrenal replacement; subjects who received single-use glucocorticoids for the prevention of contrast medium allergy prior to the imaging enhancement examinations are eligible for study enrollment.
    2. Have history of alcohol abuse or alcohol addiction within 3 months prior to the first dose.
    3. Have known, documented, or suspected history of substance abuse, except for opioids etc. prescribed for pain relief.
    4. Have past or current evidence of conditions that may affect the study results per investigator, or any conditions, treatment or laboratory abnormalities that may interfere with the subject's participation in the trial and study compliance.
    5. Other severe and/or poorly controlled concomitant diseases that may cause unacceptable safety risks or affect compliance with the study protocol.
    6. History of immunodeficiency, including a positive HIV antibody test.
    7. Other circumstances deemed as not suitable for study enrollment per investigator.
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Study Locations

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How to Apply


Contact the study center to learn if this study is a good match for you.
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Study Details


Contition

Advanced Solid Tumor,RAS Mutation,RAF Mutation,NF1 Mutation

Age

18+

Phase

PHASE1

Participants Needed

112

Est. Completion Date

Oct 16, 2025

Treatment Type

INTERVENTIONAL


Sponsor

ABM Therapeutics Corporation

ClinicalTrials.gov NCT Identifier

NCT05831995

Study Number

ABM168X1101

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