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Pelareorep and Paclitaxel Injection in Chinese Patients With Advanced or Metastatic Breast Cancer

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT05519059
Recruitment Status : Completed
First Posted : August 29, 2022
Last Update Posted : November 22, 2023
Information provided by (Responsible Party):
Adlai Nortye Biopharma Co., Ltd.

Brief Summary:
This ia a multicenter, Single-Arm, Open-Label Phase I Clinical Study Evaluating the Safety and Tolerability of Pelareorep Combined with Paclitaxel Injection and the Intracorporal Process of Pelareorep in Chinese Patients with Advanced or Metastatic Breast Cancer.

Condition or disease Intervention/treatment Phase
Advanced or Metastatic Breast Cancer Drug: Pelareorep Phase 1

Detailed Description:
This study will enroll patients with advanced or metastatic breast cancer to assess the safety and tolerability of Pelareorep at 1.5×10^10, 3.0×10^10, 4.5×10^10 (TCID50) combined with paclitaxel to fix the MTD or RP2D.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 15 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Multicenter, Single-Arm, Open-Label Phase I Clinical Study of Pelareorep With Paclitaxel in Advanced or Metastatic Breast Cancer
Actual Study Start Date : October 11, 2021
Actual Primary Completion Date : September 29, 2022
Actual Study Completion Date : May 30, 2023

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Breast Cancer
Drug Information available for: Paclitaxel

Arm Intervention/treatment
Experimental: Patients With Advanced or Metastatic Breast Cancer
Patients will receive Pelareorep with Paclitaxel for 8 cycles (28 days/cycle).
Drug: Pelareorep
Pelareorep at 1.5×10^10 TCID50, 3×10^10 TCID50, 4.5×10^10 TCID50 on Day 1/2/8/9/15/16 with Paclitaxel at 80 mg/m^2 on Day 1/8/15 per cycle
Other Name: Paclitaxel

Primary Outcome Measures :
  1. Number of participants with Dose Limiting Toxicities (DLTs) [ Time Frame: 4 Weeks ]
    DLTs are defined as study drug-related toxicities graded using Common Terminology Criteria for Adverse events of the National Cancer Institute (NCI CTCAE) V5.0 occurring during DLT period (the first 4 weeks of AN0025 administration in combination with dCRT)

Secondary Outcome Measures :
  1. Objective response rate (ORR) [ Time Frame: 24 months ]
    The rate of patients with complete response and partial response in all tumor evaluable patients

  2. Disease control rate (DCR) [ Time Frame: 24 months ]
    The rate of patients with complete response, partial response and stable disease in all tumor evaluable patients

  3. Progression-free survival (PFS) [ Time Frame: 24 months ]
    The duration from the date of 1st dose to imaging progression or death, which earlier

  4. Duration of response (DOR) [ Time Frame: 24 months ]
    The duration from the first PR/CR to progression

  5. Overall survival (OS) [ Time Frame: 24 months ]
    The duration from the date of 1st dose to death

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 70 Years   (Adult, Older Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No

Inclusion Criteria:

Subjects are eligible to be included in the study only if all of the following criteria apply:

  1. Voluntarily participating in this trial and having signed the Informed Consent Form (ICF).
  2. Women aged ≥18 and ≤70 years (at the time of signing ICF).
  3. Pathohistologically or cytologically documented unresectable advanced or metastatic breast cancer that is suitable for paclitaxel treatment, negative for HER2 amplification/overexpression as defined per the American Society of Clinical Oncology - College of American Pathologists (ASCO-CAP) guidelines (Appendix 1), and positive for estrogen receptor (ER) or progesterone receptor (PR).
  4. At least one measurable target lesion as defined by Response Evaluation Criteria In Solid Tumors (RECIST) 1.1.
  5. Anticipated life expectancy ≥3 months.
  6. Eastern Cooperative Oncology Group (ECOG) performance score (PS) 0 to 1.
  7. Prior chemotherapy meeting the followings:

    • The subject has received no or only 1 chemotherapy regimen (monotherapy or combined treatment) after relapse or metastasis;
    • Prior adjuvant, neoadjuvant or first-line chemotherapy with taxanes, if any, has been discontinued for >12 months by the time of enrollment, and none of the prior therapies were discontinued due to progressive disease or toxicity.
  8. Prior endocrinotherapy meeting the followings:

    The subject has received at least one endocrinotherapy regimen, alone or combined with CDK4/6 or mTOR inhibitors, and has experienced progressive disease or intolerability.

  9. Meeting the following criteria for laboratory tests (provided that there was no blood transfusion, use of G-CSF or use of drug for correction of, e.g., blood components, etc., within 14 days prior to the test):

    Test Criterion Hematology Neutrophil count ≥ 1.5 ×10^9/L

    Platelet count ≥ 100 ×10^9/L RBC count ≥ 90g/L Lymphocyte count ≥0.8×10^9/L Biochemistry

    Serum creatinine ≤1.5 × upper limit of normal (ULN) and estimated creatinine clearance ≥40 mL/min (by Cockcroft -Gault formula, see Appendix 3) Albumin ≥30g/L Total bilirubin ≤1.5 × ULN

    AST and ALT ≤ 2.5 × ULN (or ≤3.0 × ULN in the presence of documented liver metastasis) Coagulation International Normalized Ratio (INR) or prothrombin time (PT)

    • 1.5 × ULN Activated partial thromboplastin time (aPTT)
    • 1.5 × ULN Urinalysis (24h urine protein quantitation if necessary) Urine protein ≤1+; if ≥2+, 24h protein quantitation is required and should be <1.0g/24h
  10. Duration from the end of last non-study treatment to the first study treatment:

    • Prior chemotherapy or other investigational product: >4 weeks or >5 half lives, whichever occurred later (or >4 weeks if the half life is unavailable)
    • Surgical treatment or radiotherapy: >3 weeks
    • Endocrinotherapy or small-molecular targeted therapy: >2 weeks
  11. Women of childbearing potential must have a negative pregnancy test within 7 days prior to the first study treatment, be willing to use appropriate and reliable contraception throughout the treatment period and for 6 months after last study treatment, and be willing to undergo additional pregnancy tests during the study.

Exclusion Criteria:

  1. A history of other malignancies, except for adequately treated non-melanoma skin cancer or solid tumors curatively treated with no evidence of disease for > 3 years.
  2. Known active, uncontrolled or symptomatic central nervous system (CNS) metastases, carcinomatous meningitis, or leptomeningeal disease as indicated by clinical symptoms, cerebral edema, and/or progressive growth. Subjects with CNS metastases treated with radiation therapy (WBXRT or SRS) are eligible if > 28 days following completion of XRT, they show stable disease on post-treatment MRI/CT, are off corticosteroids, and are neurologically stable.
  3. Patients who have not recovered from acute toxicities of previous therapy(ies), except treatment-related alopecia or stable sensory neuropathy ≤ Grade 2 (CTCAE v5.0).
  4. Systemic immunosuppressive therapy lasting >2 weeks within 1 month prior to the first study treatment or immunosuppressants used within the last 7 days including but not limited to prednisone >10 mg/day or equivalent, yet excluding intermittently used inhaled corticosteroids as bronchodilators or topical steroid injections.
  5. Positivity for hepatitis B surface antigen (HBsAg) with hepatitis B viral load (HBV-DNA) higher than the laboratory lower limit of detection, or positivity for anti-hepatitis C virus antibody (anti-HCV) with hepatitis C viral load (HCV-RNA) higher than the laboratory lower limit of detection, or positivity for anti-human immunodeficiency virus (HIV) antibody (anti-HIV), or positivity for treponema pallidum antibody.
  6. Patients with autoimmune diseases.
  7. A history of opportunistic infection within 1 year, presence of active, uncontrolled infection (clinically significant viral, bacterial, fungal or other infections), antibiotic or antiviral treatment given within 14 days prior to first study treatment.
  8. Inoculation with live or attenuated virus vaccine within 1 months prior to screening.
  9. Cardiovascular diseases of clinical significance, including:

    • Myocardial infarction within the last 6 months
    • Unstable angina (despite the attempt to control it with drug)
    • Heart failure (New York Heart Association [NYHA] ≥ class II)
    • QTc interval ≥470ms (Fridericia's Correction Formula: QTcF= QT msec/(RR sec)0.33)
    • Left ventricular ejection fraction (LVEF) measured by echocardiography or multigated acquisition (MUGA) ≤50%
    • Uncontrolled hypertension (BP>150/90mmHg despite optimal treatment)
  10. Severe hematological, gastrointestinal, respiratory or endocrine disorders.
  11. Known hypersensitivity to paclitaxel or any of its excipients , or to Pelareorep or any of its components.
  12. Patients who have been enrolled into another clinical study of drugs, medical devices or prosthesis implantation, or where ≤4 weeks have elapsed since discontinuation of another investigational drug or medical device or prosthesis implantation.
  13. Pregnant or lactating women.
  14. Other circumstances that in the investigator's opinion may affect patient's protocol compliance or evaluation of study indicators and thus make it inappropriate for the patient to participate in the study.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT05519059

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China, Jilin
Bethune First Hospital of Jilin University
Chang chun, Jilin, China, 130012
Sponsors and Collaborators
Adlai Nortye Biopharma Co., Ltd.
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Principal Investigator: Wei Li, M.D. The First Hospital of Jilin University
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Responsible Party: Adlai Nortye Biopharma Co., Ltd. Identifier: NCT05519059    
Other Study ID Numbers: REO 026-1
First Posted: August 29, 2022    Key Record Dates
Last Update Posted: November 22, 2023
Last Verified: August 2022
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
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Breast Neoplasms
Neoplasms by Site
Breast Diseases
Skin Diseases
Antineoplastic Agents, Phytogenic
Antineoplastic Agents
Tubulin Modulators
Antimitotic Agents
Mitosis Modulators
Molecular Mechanisms of Pharmacological Action