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Safety, Tolerability and Preliminary Efficacy of Engineered Red Blood Cell in Patients With Advanced Malignancies (Reboot-101)

Primary Purpose

Cancer, Solid Tumor, Hematologic Malignancy

Status
Recruiting
Phase
Phase 1
Locations
China
Study Type
Interventional
Intervention
engineered red blood cell WTX212
Sponsored by
Westlake Therapeutics
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Cancer focused on measuring solid tumors, hematologic malignancies

Eligibility Criteria

18 Years - 75 Years (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria: 1.Histologically- or cytologically-proven advanced malignancies; 2.Male or female, 18 years of age or older but no more than 75 at the time of signing informed consent; 3.Dose escalation stage: (1) patients with advanced solid tumors who have received at least 2 regimens, and PDx monotherapy or combination therapy is included in the last regimen ; or patients received 1st regimen or above who cannot tolerate standard therapy but PDx monotherapy or combination therapy should be included in the last regimen.(2)Patients with relapsed and refractory malignant lymphomas (including: classic Hodgkin lymphoma (cHL), primary mediastinal large B-cell lymphoma PMBCL , Extranodal NK/T-cell lymphoma ENKTCL, mycosis fungoides/Sezari syndrome MF/SS) , or patients have no standard therapy, or are unable to receive standard therapy, PDx monotherapy or combination therapy is used in the last regimen.(3)The above patients should experience secondary resistance to immunotherapy , all patients did not receive systemic therapy after disease progression and the time of disease progression cannot exceed 3 months, radiotherapy was acceptable (definition of secondary resistance: achieved disease control (including CR/PR/ SD), but then disease progression after PDx therapy); 4.Dose expansion stage:(1)patients with advanced solid tumors who have received at least 1 regimen or these is no standard systematic therapy or patients can not recieve standard therapy, but PDx monotherapy or combination therapy should be included in the last regimen.(2)patients with relapsed and refractory malignant lymphomas who have no standard therapy or can not receive standard therapy, but PDx monotherapy or combination therapy should be included in the last regimen.(3)The above patients should experience secondary resistance to immunotherapy , all patients did not receive systemic therapy after disease progression and the time of disease progression cannot exceed 3 months, radiotherapy was acceptable (definition of secondary resistance: achieved disease control (including CR/PR/ SD), but then disease progression after PDx therapy); 5.Solid tumor:at least one lesion that is measurable according to RECIST 1.1;lymphomas:at least one visble or evaluable lesion that is measurable according to Lugano2014; 6.Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1; 7.Take the shorter one as the washout period before experimental treatment (28 days after the last tumor treatment, or 5 half lives); 8.Resolution of all acute reversible toxic effects of prior therapy or surgical procedure to baseline or Grade ≤1 (except alopecia and peripheral neurotoxicity); 9.Adequate organ function; 10.Estimated life expectancy of ≥12 weeks; 11.Capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the informed consent form (ICF). Exclusion Criteria: 1.Any active or recently diagnosed clear or suspected autoimmune disorder disease; 2. Other serious medical diseases, including but not limited to: uncontrolled diabetes, active peptic ulcer, liver cirrhosis, active bleeding, etc., and those with uncontrolled or serious cardiovascular disease, such as the NYHA II or higher heart failure, unstable angina, myocardial infarction and other cardiovascular disease within 6 months before first administration, and uncontrolled hypertension (systolic blood pressure ≥ 180 mmHg and/or diastolic blood pressure ≥ 100 mmHg); 3.Has known active Hepatitis B or Hepatitis C or HIV; 4.Active brain metastases and/or cancerous meningitis; 5.Known history of any diseases affecting the quality and stability of erythropoiesis; 6.The spleen has been removed or, as judged by the investigator, a splenectomy may be planned during the trial; 7.Received at least one alive virus vaccination within 6 months before the first dose (except for the COVID-19 inactivated vaccine); 8.Known history of pulmonary fibrosis, interstitial pneumonia, pneumoconiosis, radiation pneumonia, drug-related pneumonia, severely impaired lung function, etc.

Sites / Locations

  • Zhejiang Provincial People'S HospitalRecruiting

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Experimental

Arm Label

Solid tumors after immunotherapy failure

Hematologic malignancies after immunotherapy failure

Arm Description

In extension part, all patients will be administrated with recommend dose (WTX 212 IV infusion over 60 minutes on Day 1 of each cycle)confirmed by escalating part

In extension part, all patients will be administrated with recommend dose (WTX 212 IV infusion over 60 minutes on Day 1 of each cycle)confirmed by escalating part

Outcomes

Primary Outcome Measures

Number of Participants Experiencing Dose-Limiting Toxicities (DLTs) According to National Cancer Institute Common Terminology Criteria for Adverse Events Version 5.0 (NCI-CTCAE v.5.0) in Participants in escalating part.
DLTs were assessed according to NCI-CTCAE v.5.0 during the first cycle (21 days) and were defined as occurrence of any of the following toxicities if judged by the investigator to be possibly, probably or definitely related to study drug administration。
Number of Participants Who Experienced an Adverse Event (AE)
An AE was defined as any unfavorable and unintended change in the structure, function, or chemistry of the body temporally associated with the use of the Sponsor's product, whether or not considered related to the use of the product. Any worsening (i.e., any clinically significant adverse change in frequency and/or intensity) of a pre-existing condition which was temporally associated with the use of the Sponsor's product was also an AE. The number of participants who experienced an AE was reported for all patients.

Secondary Outcome Measures

Overall Response Rate (ORR) According to Response Evaluation Criteria In Solid Tumors Version 1.1 (RECIST 1.1)
ORR was defined as the percentage of participants in the analysis population who had a confirmed Complete Response (CR: disappearance of all lesions) or Partial Response (PR: at least a 30% decrease in the sum of diameters [SOD] of target lesions, taking as reference the baseline SOD) according to RECIST 1.1(only for solid tumor) or Lugano2014( only for lymphomas)
Anti-drug antibody (ADA)
Describe the number and percentage of anti-drug antibodies (ADA) produced by subjects at each time point after treatment, and the time of producing ADA.
Maximum Concentration (Cmax) of WTX212 in all Participants
Blood samples were collected at specified intervals for the determination of Cmax. Cmax was defined as the maximum concentration of WTX212 reached. Cmax was based on noncompartmental analysis and reported for all participants
Time to Maximum Concentration (Tmax) f WTX212 in all Participants
Blood samples were collected at specified intervals for the determination of Tmax. Tmax was defined as time to the maximum concentration of WTX212 reached. Tmax was based on noncompartmental analysis and reported for all participants

Full Information

First Posted
January 11, 2023
Last Updated
July 29, 2023
Sponsor
Westlake Therapeutics
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1. Study Identification

Unique Protocol Identification Number
NCT05707325
Brief Title
Safety, Tolerability and Preliminary Efficacy of Engineered Red Blood Cell in Patients With Advanced Malignancies
Acronym
Reboot-101
Official Title
A Multicenter, Single-arm, Open-label, Dose-escalation and Dose-expansion Clinical Study Evaluating the Safety, Tolerability and Preliminary Efficacy of Engineered Red Blood Cell WTX212 in Patients With Advanced Malignancies
Study Type
Interventional

2. Study Status

Record Verification Date
July 2023
Overall Recruitment Status
Recruiting
Study Start Date
October 31, 2022 (Actual)
Primary Completion Date
December 31, 2023 (Anticipated)
Study Completion Date
July 31, 2024 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Westlake Therapeutics

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
Yes

5. Study Description

Brief Summary
This phase studies the engineered red blood cells with PD-1 inhibitor pembrolizumab(WTX212), the natural biological metabolic function of red blood cells can make the carried pembrolizumab directionally distributed in the spleen tissue and activitate T cells, suggesting that this product may solve the problem that PD-1 treatment failure.
Detailed Description
The present study has 2 parts. The dose increasing stage is carried out according to the "3+3" increasing principle. A total of 3 dose groups are preset (calculated by the number of red blood cells of the pabolizumab loaded), which are respectively 20 × e10、60 × e10 and 100 × e10。 Subjects with IO resistant advanced solid tumor and recurrent refractory lymphoma were studied. After the subjects passed the screening, blood was taken to prepare the engineered red blood cell WTX212, and the test drug was administered once every 21 days. Subjects completed the collection of PK, PD, biomarkers and immunogenicity samples during the observation period of dose limiting toxicity (DLT) (within 21 days after the first administration) and the continuous treatment period. After the end of DLT period of the first subject in each dose group, the second subject can be accepted. The subject continues to receive treatment until the subject suffers from intolerable toxicity, or withdraws informed consent, or disease progression, or solid tumor subjects up to 12 months after the first administration (lymphoma subjects can complete up to 6 administration cycles), or the end of the study, or the investigator comprehensively decides to withdraw and start new anti-tumor treatment according to the benefit of the subject, whichever occurs first.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Cancer, Solid Tumor, Hematologic Malignancy
Keywords
solid tumors, hematologic malignancies

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 1
Interventional Study Model
Sequential Assignment
Model Description
he dose excalating stage is carried out according to the "3+3" increasing principle, with a total of 3 dose groups preset, only one group finishes safty evaluation, then entering next dose. After getting recommending dose , the extension part with two arms will start .
Masking
None (Open Label)
Allocation
Non-Randomized
Enrollment
30 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
Solid tumors after immunotherapy failure
Arm Type
Experimental
Arm Description
In extension part, all patients will be administrated with recommend dose (WTX 212 IV infusion over 60 minutes on Day 1 of each cycle)confirmed by escalating part
Arm Title
Hematologic malignancies after immunotherapy failure
Arm Type
Experimental
Arm Description
In extension part, all patients will be administrated with recommend dose (WTX 212 IV infusion over 60 minutes on Day 1 of each cycle)confirmed by escalating part
Intervention Type
Drug
Intervention Name(s)
engineered red blood cell WTX212
Other Intervention Name(s)
WTX212
Intervention Description
engineered red blood cell WTX212
Primary Outcome Measure Information:
Title
Number of Participants Experiencing Dose-Limiting Toxicities (DLTs) According to National Cancer Institute Common Terminology Criteria for Adverse Events Version 5.0 (NCI-CTCAE v.5.0) in Participants in escalating part.
Description
DLTs were assessed according to NCI-CTCAE v.5.0 during the first cycle (21 days) and were defined as occurrence of any of the following toxicities if judged by the investigator to be possibly, probably or definitely related to study drug administration。
Time Frame
21 days
Title
Number of Participants Who Experienced an Adverse Event (AE)
Description
An AE was defined as any unfavorable and unintended change in the structure, function, or chemistry of the body temporally associated with the use of the Sponsor's product, whether or not considered related to the use of the product. Any worsening (i.e., any clinically significant adverse change in frequency and/or intensity) of a pre-existing condition which was temporally associated with the use of the Sponsor's product was also an AE. The number of participants who experienced an AE was reported for all patients.
Time Frame
Up to approximately 24 months
Secondary Outcome Measure Information:
Title
Overall Response Rate (ORR) According to Response Evaluation Criteria In Solid Tumors Version 1.1 (RECIST 1.1)
Description
ORR was defined as the percentage of participants in the analysis population who had a confirmed Complete Response (CR: disappearance of all lesions) or Partial Response (PR: at least a 30% decrease in the sum of diameters [SOD] of target lesions, taking as reference the baseline SOD) according to RECIST 1.1(only for solid tumor) or Lugano2014( only for lymphomas)
Time Frame
per 6 weeks
Title
Anti-drug antibody (ADA)
Description
Describe the number and percentage of anti-drug antibodies (ADA) produced by subjects at each time point after treatment, and the time of producing ADA.
Time Frame
1 year
Title
Maximum Concentration (Cmax) of WTX212 in all Participants
Description
Blood samples were collected at specified intervals for the determination of Cmax. Cmax was defined as the maximum concentration of WTX212 reached. Cmax was based on noncompartmental analysis and reported for all participants
Time Frame
Cycle 1: Pre-dose, post-dose at 0.5, 6 and 12 hours and Days 2, 3, 8 and 15
Title
Time to Maximum Concentration (Tmax) f WTX212 in all Participants
Description
Blood samples were collected at specified intervals for the determination of Tmax. Tmax was defined as time to the maximum concentration of WTX212 reached. Tmax was based on noncompartmental analysis and reported for all participants
Time Frame
Cycle 1: Pre-dose, post-dose at 0.5, 6 and 12 hours and Days 2, 3, 8 and 15

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
75 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: 1.Histologically- or cytologically-proven advanced malignancies; 2.Male or female, 18 years of age or older but no more than 75 at the time of signing informed consent; 3.Dose escalation stage: (1) patients with advanced solid tumors who have received at least 2 regimens, and PDx monotherapy or combination therapy is included in the last regimen ; or patients received 1st regimen or above who cannot tolerate standard therapy but PDx monotherapy or combination therapy should be included in the last regimen.(2)Patients with relapsed and refractory malignant lymphomas (including: classic Hodgkin lymphoma (cHL), primary mediastinal large B-cell lymphoma PMBCL , Extranodal NK/T-cell lymphoma ENKTCL, mycosis fungoides/Sezari syndrome MF/SS) , or patients have no standard therapy, or are unable to receive standard therapy, PDx monotherapy or combination therapy is used in the last regimen.(3)The above patients should experience secondary resistance to immunotherapy , all patients did not receive systemic therapy after disease progression and the time of disease progression cannot exceed 3 months, radiotherapy was acceptable (definition of secondary resistance: achieved disease control (including CR/PR/ SD), but then disease progression after PDx therapy); 4.Dose expansion stage:(1)patients with advanced solid tumors who have received at least 1 regimen or these is no standard systematic therapy or patients can not recieve standard therapy, but PDx monotherapy or combination therapy should be included in the last regimen.(2)patients with relapsed and refractory malignant lymphomas who have no standard therapy or can not receive standard therapy, but PDx monotherapy or combination therapy should be included in the last regimen.(3)The above patients should experience secondary resistance to immunotherapy , all patients did not receive systemic therapy after disease progression and the time of disease progression cannot exceed 3 months, radiotherapy was acceptable (definition of secondary resistance: achieved disease control (including CR/PR/ SD), but then disease progression after PDx therapy); 5.Solid tumor:at least one lesion that is measurable according to RECIST 1.1;lymphomas:at least one visble or evaluable lesion that is measurable according to Lugano2014; 6.Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1; 7.Take the shorter one as the washout period before experimental treatment (28 days after the last tumor treatment, or 5 half lives); 8.Resolution of all acute reversible toxic effects of prior therapy or surgical procedure to baseline or Grade ≤1 (except alopecia and peripheral neurotoxicity); 9.Adequate organ function; 10.Estimated life expectancy of ≥12 weeks; 11.Capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the informed consent form (ICF). Exclusion Criteria: 1.Any active or recently diagnosed clear or suspected autoimmune disorder disease; 2. Other serious medical diseases, including but not limited to: uncontrolled diabetes, active peptic ulcer, liver cirrhosis, active bleeding, etc., and those with uncontrolled or serious cardiovascular disease, such as the NYHA II or higher heart failure, unstable angina, myocardial infarction and other cardiovascular disease within 6 months before first administration, and uncontrolled hypertension (systolic blood pressure ≥ 180 mmHg and/or diastolic blood pressure ≥ 100 mmHg); 3.Has known active Hepatitis B or Hepatitis C or HIV; 4.Active brain metastases and/or cancerous meningitis; 5.Known history of any diseases affecting the quality and stability of erythropoiesis; 6.The spleen has been removed or, as judged by the investigator, a splenectomy may be planned during the trial; 7.Received at least one alive virus vaccination within 6 months before the first dose (except for the COVID-19 inactivated vaccine); 8.Known history of pulmonary fibrosis, interstitial pneumonia, pneumoconiosis, radiation pneumonia, drug-related pneumonia, severely impaired lung function, etc.
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
xiangmin Tong, Phd
Phone
+86-13750816623
Email
tongxiangmin@163.com
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
xiangmin Tong, Phd
Organizational Affiliation
ZHEJIANG PROVINCIAL PEOPLE'S HOSPITAL of China
Official's Role
Principal Investigator
Facility Information:
Facility Name
Zhejiang Provincial People'S Hospital
City
Hangzhou
State/Province
Zhejiang
ZIP/Postal Code
310014
Country
China
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Tong Xiangmin, Ph.D
Phone
13750816623
Email
tongxiangmin@163.com

12. IPD Sharing Statement

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Safety, Tolerability and Preliminary Efficacy of Engineered Red Blood Cell in Patients With Advanced Malignancies

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