A Phase 1 Study of SHR2554 in Subjects With Relapsed or Refractory Mature Lymphoid Neoplasms

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Hengrui Medicine

Status and phase

Enrolling
Phase 1

Conditions

Relapsed or Refractory Mature Lymphoid Neoplasms

Treatments

Drug: SHR2554

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT03603951
SHR2554-I-101

Details and patient eligibility

About

This is a Phase 1 multicenter, single-arm, open-label, dose escalation and dose expansion study of enhancer of zeste homolog 2 (EZH2 ) inhibitor SHR2554. This study will assess the tolerability, safety, pharmacokinetics, and preliminary anti-tumor activity of SHR2554 in participants with relapsed or refractory mature lymphoid neoplasms in part I, and the the efficacy in PTCL patients will be studied in Part II.

Enrollment

231 estimated patients

Sex

All

Ages

18 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. 18 to 70 years old (Adult, Senior)
  2. Part I: Histologically or cytologically confirmed Mature lymphoid neoplasms; Part II: peripheral T cell lymphomas
  3. Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1;
  4. Has a life expectancy of ≥12 weeks;
  5. Resistant to standard therapy or no standard therapy available,have indications for treatment;
  6. Have measurable disease (lymphoma participants,any nodes/nodal masses>1.5 cm in longest diameter (LDi) or extralymphatic sites of disease >1.0 cm in LDi;Multiple myeloma (MM) or Waldenström macroglobulinemia (WM) participants,serum M protein ≥0.5 g/dL or Bence Jones protein≥0.2 g/24 h). (dose expansion study must satisfy)
  7. Has sufficient tumor tissue (slides or blocks) available for testing EZH2 mutation status and expression level. (dose expansion study must satisfy)
  8. Diffuse large B-cell lymphoma (DLBCL) participants have immunohistochemistry test results of cell origin (germinal center B-cell-like (GCB) or non-GCB), as well as myelocytomatosis oncogene (MYC), B cell lymphoma/leukemia 2 (BCL2) and B-cell lymphoma 6 (BCL6), or provide sufficient tumor tissue for testing. (dose expansion study must satisfy)
  9. With adequate bone marrow function;
  10. With adequate renal and liver function;
  11. Coagulation function index:PT ≤1.5×ULN,APTT ≤1.5×ULN;
  12. Women of childbearing potential (WOCBP) should be proven to be negative by human chorionic gonadotropin (hCG) test in 7 days before the first dose of SHR2554. They must be willing and able to employ a highly effective method of birth control/contraception to prevent pregnancy from the day they sign the informed consent form (ICF) to at least 30 days after receiving the last dose of study treatment. Male subjects with WOCBP partner should receive Surgical sterilization or consent to employ a highly effective method of birth control/contraception to prevent pregnancy;
  13. Any prior treatment-related clinically significant toxicities have resolved to ≤ Grade 1 per CTCAE version 4.03 or prior treatment-related toxicities evaluated by physicians are not clinically significant at time of enrollment.
  14. Participant who has provided written consent to participate in the study and ability to comply with all aspects of the protocol.

Exclusion criteria

  1. Prior exposure to other inhibitor(s) of EZH2.
  2. FL 3b or (potentially) transformed FL
  3. Participants with a presence of central nerves invasion
  4. Auto-transplantation within 60 days or allo-transplantation within 90 days before the first dose of study drug; >1 grade graft-versus-host disease (GVHD) or using GVHD control medicines that are not allowed by this trial;
  5. Major surgery or serious trauma within 4 weeks before the first dose of study drug.;
  6. anti-tumor agents within 4 weeks before the first dose of study drug(such as chemotherapy, radiotherapy, immunotherapy, target therapy and other clinical research);Use of Chinese Herbal within 2 weeks before the first dose of study drug;use of Glucocorticoids to anti tumor within 7 days before the first dose of study drug(equivalent to prednisone>20 mg/d);
  7. Has known active infection with hepatitis B virus or hepatitis C virus(HBV DNA≥2×10^3 IU/mL,HCV RNA≥10^3 IU/mL)and liver dysfunction,need the intervention of anti-virus therapy;
  8. Immunocompromised (i.e. has congenital immunodeficiency), including subjects known history of infection with human immunodeficiency virus (HIV) or has known active infection with tubercle bacillus;
  9. Has an active infection or has a temperature > 38.5°C with unknown reasons(Investigators will decide the enrollment of participants with a fever that contributed to tumors);
  10. Has cardiovascular impairment,including history of congestive heart failure greater than New York Heart Association (NYHA) Class II, unstable angina, myocardial infarction, or stroke within 1 year prior to the planned first dose of study drug; or ventricular cardiac arrhythmia requiring medical treatment;
  11. abnormal of ECG with clinical significance:such as prolongation of corrected QT interval using Fridericia's formula (QTcF)(male > 450 ms、female> 470 ms);
  12. History of cerebrovascular accident or transient ischemic attack within 6 months;
  13. Has a prior malignancy other than the malignancies under study within 2 years- EXCEPTION: A subject with a history of a completely resected skin basal cell carcinoma, skin squamous-celled carcinoma, in situ cervical cancer or other in situ carcinomas, and has been relapse-free for 5 years;
  14. Has serious acute/chronic disease or psychic disease,such as suicide intention or action in resent 1 year; or there are abnormal conditions that will increase the risk of using or managing study drug or affect the assessment of study results or investigator's judgment;
  15. Staffs of institute sites directly related to the study or their family members, subordinates. Staffs of the sponsor pharmaceuticals company that directly related to the study;
  16. Females who are pregnant or breastfeeding.
  17. Inability to take oral medication, or any uncontrolled gastrointestinal condition (e.g., active gastroenteritis, chronic diarrhea, known diverticulosis, history of gastrectomy or gastric banding) that might impair the bioavailability of study drug. gastroesophageal reflux disease treated with proton pump inhibitors is eligible(should be no drug interaction);
  18. Use of known median or potent CYP3A4 or CYP3A5 inducers/inhibitors or P-gp inhibitors.
  19. Any other major illness that, in the investigator's judgment, will substantially increase the risk associated with the subject's participation in this study.

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

231 participants in 1 patient group

SHR2554 treated group
Experimental group
Description:
Part I:treated with escalated doses of EZH2 inhibitor SHR2554 respectively; Part II:treated with fixed dose (RP2D) SHR2554 respectively
Treatment:
Drug: SHR2554

Trial contacts and locations

1

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Central trial contact

Weiwei Wang, MD; Jun Zhu, MD

Data sourced from clinicaltrials.gov

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