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RecruitingLast updated: 3 April 2024

SACRED: This study is aiming to determine the recommended dose level, safety and effectiveness of a new targeted therapy (called APG-2575) in people with relapsed or refractory chronic lymphocytic leukaemia (CLL) or small lymphocytic lymphoma (SLL)A Phase Ib Study of APG-2575 as a Single Agent or in Combination With Other Therapeutic Agents in Patients With Relapsed and/or Refractory Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Lymphoma (SLL)

Clinical summary

Summary

This study will be conducted in two parts, and each part will consist of a ramp-up period, dose escalation and dose expansion portions. The duration of the ramp-up period will depend on the dose schedule being tested and will be conducted for both monotherapy and combination therapy. The ramp-up period consists of increasing dose levels of daily APG-2575.

In Part 1, participants will receive APG-2575 at different dose levels as monotherapy until the recommended phase 2 dose (RP2D) is determined. The RP2D of APG-2575 will then be studied in dose expansion. 

In Part 2, participants will receive a combination of APG-2575 with additional targeted therapy (either rituximab, acalabrutinib or voruciclib). Expansion cohorts at RP2D for the respective combinations will be conducted to further evaluate safety and effectiveness.

Cancer

Blood Cancers Haematological

Age

People18 - 85

Phase

I

Trial Acronym

SACRED

More information

Trial Identifiers

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Trial sponsor

Ascentage Pharma Group Inc.

Scientific Title

A Phase Ib Study of APG-2575 as a Single Agent or in Combination With Other Therapeutic Agents in Patients With Relapsed and/or Refractory Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Lymphoma (SLL)

Eligibility

Inclusion

1. ≥18 years of age. 2. Histologically confirmed chronic lymphocytic leukemia (CLL) or small lymphocytic leukemia (SLL) according to the 2018 international workshop (IW) CLL criteria who must have relapsed or be refractory to at least one prior therapy for CLL/SLL and require treatment by 2018 IWCLL criteria.

3. ECOG) ≤2. 4. Patient must have objectively documented evidence of disease progression prior to study entry such as: escalating lymphocytes count with an increase > 50% over a period of two months or doubling time in less than 6 months; enlarging adenopathy or splenomegaly; increasing cytopenias; clinical B symptoms -night sweats, fatigue, > 1% weight loss in 6 months, fevers > 100.50F for ≥ one month without infection.

5. In Part 1 of the APG-2575 monotherapy dose escalation portion, patients eligible for dose expansion at doses lower than MTD will have received ≤ 3 prior systemic lines of therapy.

6. Adequate bone marrow function independent of growth factor:

  1. Absolute neutrophil count (ANC)≥1.0× 109/L in patient without bone marrow involvement. This criterion does not apply to patients with bone marrow involvement by CLL/SLL.
  2. Platelets count ≥30 x 109/L (entry platelet count must be independent of transfusion within 7 days of first dose of study drug).

    7. Adequate renal and hepatic function as indicated by:

a. Serum creatinine ≤1.5×upper limit of normal (ULN); if serum creatinine is >1.5×ULN, creatinine clearance must be ≥ 50 mL/min, calculated using the Cockcroft and Gault formula(140-Age)x mas (kg)/(72x creatinine mg/dL); multiply by 0.85 if female (Cockcroft 1976) b. Total bilirubin ≤1.5 x ULN, except patients with known Gilbert's syndrome. c. Aspartate aminotransferase (AST) and Alanine aminotransferase (ALT) <2.5 x ULN, Alkaline phosphatase<2.5×ULN d. International normalized Ratio (INR), Prothrombin Time (PT) or Activated Partial Thromboplastin time (APTT)≤1.5×ULN unless the patient is receiving anticoagulant therapy as long as PT or APTT is within therapeutic range of intended use of anticoagulants.

8. Females of childbearing potential (i.e. not postmenopausal for at least 2 years or surgically sterile) must have negative results for pregnancy test performed:

a. At Screening on a serum sample obtained within 14 days prior to the first study drug administration b. Prior to dosing on a urine sample obtained on the first day of study drug administration, if it has been>7 days since obtaining the serum pregnancy test results.

9. Females of childbearing potential and non-sterile males must practice at least one of the following methods of birth control with partner(s) throughout the study and for 90 days after discontinuing study drug:

  1. Total abstinence from sexual intercourse as the preferred lifestyle of the patient; periodic abstinence is not acceptable;
  2. Surgically sterile partner(s); acceptable sterility surgeries are: vasectomy, bilateral tubal ligation, bilateral oophorectomy or hysterectomy;
  3. Intrauterine device (IUD);
  4. Double-barrier method (contraceptive sponge, diaphragm or cervical cap with spermicidal fellies or cream AND a condom);
  5. Hormonal contraceptives (oral, parenteral, vaginal ring or transdermal) for at least 3 months prior to study drug administration.

    If hormonal contraceptives are used, the specific contraceptive must have been used for at least 3 months prior to study drug administration.

    10. Male patients must refrain from sperm donation, from initial study drug administration until 90 days after the last dose of study drug.

    11. Ability to understand and willingness to sign a written informed consent form (the consent form must be signed by the patient prior to any study-specific procedures).

    12. Willingness and ability to comply with study procedures and follow-up examination.

Exclusion

  • 1. Patient has undergone allogeneic stem cell transplant < 90 days 2. Patient has active graft-versus-host disease or require immunosuppressive therapy.

    3. Richter's Syndrome. 4. Prior anti-Bcl-2 treatment (except patients who discontinued treatment for reasons other than disease progression) 5. For combination cohorts:

    1. In the acalabrutinib and APG-2575 cohort, patients who are on anticoagulants or patients that discontinued due to acalabrutinib toxicity (Note: Patients who received a BTK inhibitor therapy may participate whether, or not, they progressed following BTK inhibitor treatment).
    2. Prior CDK-9 inhibitor in the voruciclib plus APG-2575 cohort 6. Known human immunodeficiency virus syndrome (HIV) infection 7. Known active hepatitis B infection, as defined seropositivity for Hep B surface antigen (HBsAg) or known hepatitis C infection as determined by hepatitis C antibody with elevated liver enzymes as defined in the inclusion criteria or any other evidence of active hepatitis C such as currently on treatment 8. Has known central nervous system (CNS) involvement. 9. Prior malignancy that required treatment and has shown recurrence within 2 years of screening (except for non-melanoma skin cancer or adequately treated carcinoma in situ of cervix or breast). Cancer treated within 2 years with curative intent and without recurrence as well as prostate cancer on active surveillance are allowed.

      10. Concurrent treatment with an investigational agent, received biologics (≤28 days), or small molecule targeted therapies (≤5 half-life) or other anti-cancer therapies (including chemotherapy) ≤14 days of first dose of study drug 11. Patient is pregnant or breast feeding 12. Has received the following within 7 days prior to the first dose of study drug:

    1. Steroid therapy at a dose greater than prednisone 20 mg daily (or equivalent) for anti-neoplastic intent;
    2. CYP3A inhibitors such as fluconazole, ketoconazole, and clarithromycin;
    3. Potent CYP3A inducers such as rifampin, carbamazepine, phenytoin, and St. John's wort; 13. Radiation within 14 days of study entry 14. Continuance of toxicities due to prior radiotherapy or chemotherapy agents that have not recovered to ≤ grade 1 or baseline, except alopecia or neuropathy.

      15. Failure to recover adequately, as judged by the investigator, from prior surgical procedures. Patient with active wound healing, patients who have had major surgery within 28 days from 1st dose of study drug 16. Has a cardiovascular disability status of New York Heart Association Class ≥ 2. Class 2 is defined as cardiac disease in which patients are comfortable at rest but ordinary physical activity results in fatigue, palpitations, dyspnea or anginal pain.

      17. Unstable angina or myocardial infarction within 3 months of enrollment 18. QTc interval> 480ms (Bazett or Fredericia formulae) or other remarkable abnormal ECG findings, including second-degree type II atrioventricular block, third-degree atrioventricular block or bradycardia (ventricular rate of less than 50 beats per minute).

      19. Has gastrointestinal conditions that could affect the absorption of APG-2575 in the opinion of the Investigator.

      20. Uncontrolled concurrent illness including, but not limited to: uncontrolled diabetes mellitus, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with the study requirements.

      21. Any other condition or circumstance that would, in the opinion of the investigator, make the patient unsuitable for participation in the study.

Inclusion

  • You have had treatment but your cancer has gotten worse or has not responded to the treatment you have been given.
  • You have had treatment, but your cancer has come back.

Exclusion

  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
  • You have previously been treated (or are currently being treated) on a clinical trial.
Message

Clinical trials have complex eligibility criteria.

Ask your doctor if this trial could be right for you.

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