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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04686682
Other study ID # JAB-8263-1002
Secondary ID
Status Recruiting
Phase Phase 1/Phase 2
First received
Last updated
Start date May 7, 2021
Est. completion date September 2024

Study information

Verified date March 2023
Source Jacobio Pharmaceuticals Co., Ltd.
Contact Jacobio Pharmaceuticals
Phone 86 10 56315466
Email clinicaltrials@jacobiopharma.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is a Phase 1/2a, first-in-human, open-label study of JAB-8263, this study has two parts: solid tumor dose escalation and expansion study and hematology tumor dose escalation and expansion study. These two parts will determine the maximum tolerated dose (MTD), recommended Phase 2 dose (RP2D) and assess the DLT of JAB-8263 in treatment with patients with advanced solid tumors and hematology tumors separately. 30 subjects each will be enrolled.


Description:

JAB-8263 is a small-molecule inhibitor of the highly conserved bromodomain pockets of the bromodomain and extraterminal (BET) proteins. The objectives of this study are: To determine the maximum-tolerated dose (MTD) and assess the dose-limiting toxicity (DLT) of JAB-8263 as a single agent to adult subjects with advanced malignant tumors. To assess the safety and tolerability of JAB-8263 To characterize the pharmacokinetic (PK) parameters and pharmacodynamics (PDc).To evaluate preliminary antitumor activity of JAB-8263


Recruitment information / eligibility

Status Recruiting
Enrollment 152
Est. completion date September 2024
Est. primary completion date January 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Subjects must meet all the following criteria in order to be included in the research study: 1. Subject must be =18 years-of-age at the time of signature of the informed consent form (ICF). 2. Eastern Cooperative Oncology Group (ECOG) Performance Status score of 0 or 1. 3. Subjects with histologically or cytologically confirmed advanced solid tumors which have progressed despite standard therapy(ies), or are intolerant to standard therapy(ies), or have a tumor for which no standard therapy(ies) exists. 4. Subjects with recurrent/refractory AML according to WHO 2016 5. Subjects with life expectancy =3 months. 6. Patients with solid tumor must have at least one measurable lesion as defined by RECIST v1.1. 7. Patients who have sufficient baseline organ function. Exclusion Criteria: 1. History (=3 years) of cancer that is histologically distinct from the cancer under study. 2. Known serious allergy to investigational drug or excipients 3. Active brain or spinal metastases 4. History of pericarditis or Grade =2 pericardial effusion 5. History of interstitial lung disease. 6. History of Grade =2 active infections within 2 weeks 7. Known human immunodeficiency virus (HIV) infection 8. Seropositive for hepatitis B virus (HBV) 9. Seropositive for hepatitis C virus (HCV), or HCV-RNA viral levels are not detectable. 10. Any severe and/or uncontrolled medical conditions 11. History of myocardial infarction, unstable angina pectoris, coronary artery bypass graft, or cerebrovascular accident 12. Impaired cardiac function or clinically significant cardiac diseases 13. QTcF >470 msec at screening 14. History of medically significant thromboembolic events or bleeding diathesis 15. Unresolved Grade >1 toxicity 16. History of malignant biliary obstruction 17. Pregnant or breast-feeding

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
JAB-8263
Variable dose, orally Q2D with 28 days each cycle
JAB-8263
RP2D dose, orally Q2D with 28 days each cycle

Locations

Country Name City State
China Tianjin Tianjin Tianjin

Sponsors (1)

Lead Sponsor Collaborator
Jacobio Pharmaceuticals Co., Ltd.

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Number of participants with dose limiting toxicities Incidence of dose limiting toxicities (DLTs) in the dose escalation phase. A DLT is defined as an adverse event or abnormal laboratory value assessed as unrelated to disease, disease progression, inter-current illness, or concomitant medications that occurs within the first treatment cycle with JAB-8263 Approximately 18 months
Secondary Number of participants with adverse events All patients participating in this study will be assessed for incidence and severity of adverse events (AEs) and serious AEs, including changes in laboratory values, vital signs, electrocardiograms, cardiac imaging and ophthalmological assessments Approximately 18 months
Secondary Area under the curve Area under the plasma concentration time curve of JAB-8263 Approximately 18 months
Secondary Cmax Highest observed plasma concentration of JAB-8263 Approximately 18 months
Secondary Tmax Time of highest observed plasma concentration of JAB-8263 Approximately 18 months
Secondary T1/2 Half life of JAB-8263 Approximately 18 months
Secondary Objective response rate ( ORR ) For solid tumor study part, ORR is defined as the proportion of participants with complete response or partial response (CR+PR) Approximately 18 months
Secondary Duration of response ( DOR ) For solid tumor study part, DOR is defined as the time from the participant's initial objective response (CR or PR) to study drug therapy, to disease progression or death due to any cause, whichever occurs first. Approximately 18 months
Secondary Duration of response ( DCR ) For solid tumor study part, DCR is defined as proportion of participants with complete response, partial response, stable disease(CR+PR+SD). Approximately 18 months
Secondary CR without minimal residual disease rate (CR MRD-) hematology study part, CR MRD- is defined as proportion of participants with complete response without minimal residual disease. Approximately 18 months
Secondary Overall response rate For hematology study part, Overall response rate is defined as proportion of participants with complete response(CR or CRi), partial remission(PR) or morphologic leukemia-free state(MLFS). Approximately 18 months
Secondary Event-free survival( EFS) For hematology study part, EFS is defined for all patients with AML, measured from the date of entry into the study to the date of primary refractory disease, or relapse from CR, or Cri, or death from any cause. Approximately 18 months
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