Phase I/II Study of IPG1094 in Advanced Solid Tumors Patients

Summary

This is a phase 1, open-label, dose-escalation study to evaluate the safety, tolerability, pharmacokinetic (PK), pharmacodynamic (PD) characteristics and initial anti-tumor activity of IPG1094 in patients with advanced solid tumors. The study will be conducted in two parts: dose escalation phase (Part A) and expansion phase (Part B).

Eligibility

Inclusion Criteria:

Subjects must meet all of the following criteria to be included in the study:

1. Male or female aged ≥ 18 years.
2. In Part A:

   Subjects must have a histological diagnosis of locally advanced or metastatic malignant solid tumors, and that is not amenable to curative surgical and/or locoregional therapies;

   In Part B:

   Subjects must have a histological diagnosis of locally advanced or metastatic malignant solid tumors, and that is not amenable to curative surgical and/or locoregional therapies (tumor types in Part B will include but not limited to small cell lung cancer, triple-negative breast cancer, head and neck cancer, and melanoma).
3. Subjects must have failed or have been intolerant to established standard therapies, or standard therapies did not exist or were no longer effective for a given tumor type, or in the opinion of the investigator have been considered ineligible for a particular form of standard therapy on medical grounds.
4. Subjects must have at least one evaluable lesion according to RECIST v1.1.
5. Eastern Cooperative Oncology Group (ECOG) Performance Status of 0-2.
6. Life expectancy ≥ 12 weeks.
7. Subjects must have adequate organ and bone marrow function (no hematopoietic growth factor, blood transfusion, or platelet therapy within 2 weeks before the screening and during the screening):

   * Complete blood count (CBC): neutrophils ≥ 1.5 × 109/L, platelets ≥ 100 × 109/L, hemoglobin ≥ 9.0 g/dL.
   * Liver function: total bilirubin ≤ 1.5 × ULN; ALT/AST ≤ 2.5 × ULN without liver metastasis; ALT/AST ≤ 5 × ULN with liver metastasis;
   * Coagulation: International normalized ratio (INR) ≤ 1.5 × ULN and activated partial thromboplastin time (APTT) ≤ 1.5 × ULN (for patients undergoing anticoagulant therapy. The investigator will judge that the INR and APTT are within a safe treatment range);
   * Renal function: creatinine clearance \> 50 mL/min (calculated using the Cockcroft-Gault formula) in the condition of creatinine level \> ULN; urine protein qualitative ≤ 1 + (if ≥ 2+, 24 hours of urine protein test is required, if 24 hours urine protein \<1 g, then allowed to enroll);
   * Adequate cardiac function left ventricular ejection fraction (LVEF) \> 50% for 2 dimensional cardiac ultrasound.
8. Women of childbearing potential (WOCBP) and fertile males with WOCBP partners must use highly effective contraception throughout the study (from first dose and through 28 days after final dose of study drug).
9. Subjects must have signed and dated an Institutional Review Board (IRB)/Independent Ethics Committee (IEC) approved written informed consent form that under regulatory and institutional guidelines, and this must be obtained before the performance of any protocol-related procedures.

Exclusion Criteria:

Subjects who meet any of the following criteria will be excluded from the study:

1. Subjects who received anti-tumor therapy (except for mitomycin, nitrosourea, and fluorouracil oral drugs) within 4 weeks before the first dose, including but not limited to chemotherapy, radiotherapy (palliative radiotherapy is completed at least 2 weeks before the first dose can be enrolled), targeted therapy or immunotherapy.

   Note: Mitomycin and nitrosourea have been treated within 6 weeks after the last dose; oral fluorouracil such as tegafur and capecitabine has been treated within 2 weeks after the last dose.
2. Subjects who have previous toxicity of anti-tumor therapy that has not been returned to level 0 or 1. (Alopecia, chemotherapy-induced peripheral neurotoxicity and ototoxicity ≤ Grade 2 can be enrolled).
3. Subjects who received CYP3A4 strong inhibitors or CYP3A4 strong inducers (see https://drug-interactions.medicine.iu.edu/MainTable.aspx) within 14 days prior to the first dose and the subjects who need to continue using these drugs throughout the study.
4. Subjects who received clinical intervention for biliary obstruction 14 days prior to the first dose or the investigator judges that the symptoms had not resolved or required anti-infective treatment.
5. Subjects who had clinically uncontrollable pleural effusion, ascites, or pericardial effusion within 2 weeks prior to the first dose.
6. Subjects who have symptomatic brain metastases or spinal cord compression. Subjects who have previously treated for brain metastases, if the clinical condition is stable and imaging evidence does not show disease progression within 4 weeks prior to the first dose and do not need corticosteroid treatment within 2 weeks prior to the first dose, can be enrolled.
7. Subjects who have active bacterial or fungal infections (≥ Grade 2) that required systemic treatment within 14 days prior to the first dose.
8. Subjects who participated in any other study in which receipt of an investigational new drug, or investigational device occurred within 28 days or 5 half-lives (whichever is shorter) of the first dose of the study drug.
9. Receiving systemic steroid therapy (\> 10 mg/day of prednisone or equivalent) or any other form of immunosuppressive therapy within 7 days prior to the first dose of the study drug.
10. Subjects who have a chronic or active infection requiring systemic therapy.
11. Subjects who have gastrointestinal disorders that will affect oral administration or the investigator judges that the absorption of IPG1094 will be interfered.
12. Known or suspected allergy or hypersensitivity to any component of IPG1094.
13. Subjects who received a diagnosis of, and/or tested positive at screening for human immunodeficiency virus (HIV).
14. Subjects with positive Hepatitis B surface antigen \[HBsAg\] test, except for subjects who have negative HBsAg test and positive Hepatitis B core antibody \[HBcAb\] test combined with negative HBV DNA test at screening.
15. Co-infection of hepatitis B virus (HBV) and hepatitis C virus (HCV), subjects with a history of HCV infection but who are negative for HCV RNA by PCR will be considered non-infected with HCV.
16. Active other malignancy requiring treatment with the exception of any of the following:

    * Adequately treated basal cell carcinoma;
    * Squamous cell carcinoma of the skin, or in situ cervical cancer;
    * Low-risk prostate cancer (i.e. Gleason score \< 7 and prostate specific antigen \< 10 ng/mL); or
    * Any other cancer from which the individual has been disease-free for ≥ 5 years.
17. Subjects who have clinically significant cardiovascular diseases that occurred 6 months prior to enrollment. Cardiovascular diseases include, but not limited to follows:

    * Acute myocardial infarction;
    * Severe/unstable angina;
    * Cerebrovascular accident or transient ischemic attack;
    * Congestive heart failure (New York Heart Association \> Class II);
    * Arrhythmias that require antiarrhythmic treatment except for beta blockers or digoxin;
    * Repeated ECG with QTc interval ≥ 470 msec regardless of sex (corrected according to Fridericia's formula);
    * High blood pressure that cannot be controlled by antihypertensive drugs (systolic blood pressure \> 150 mm Hg, diastolic blood pressure \> 100 mmHg).
18. Subjects who are receiving warfarin (low-dose warfarin as 2 mg/day is acceptable); or receiving antiplatelet anticoagulant therapy (aspirin at dose ≥300 mg/day, clopidogrel at dose ≥75 mg/day).
19. Major surgery or significant traumatic injury occurring within 28 days prior to the first dose of the study drug. If major surgery occurred \> 28 days prior to the first dose of the study drug, the individual must have recovered adequately from the toxicity and/or complications from the intervention prior to the first dose of the study drug.
20. Female subjects in pregnancy or lactation.
21. Having difficulty in venous blood collection. Any other circumstances, in the opinion of the investigator, that may affect the subject's informed consent or adherence to the protocol, or that the subject's participation in the study may affect the outcome of the study or their own safety.

Conditions2

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