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Acute Myeloid LeukemiaPhase 1NCT05471323

Phase I Clinical Trial of RC1012 Injection in Patients With r/r AML

A Phase 1 study testing RC1012 injection (allo-DNT cells) in people with Acute Myeloid Leukemia, run by Guangdong Ruishun Biotech Co., Ltd at 1 site in China.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

To evaluate the safety and tolerability of RC1012 infusion in patients with relapsed or refractory Acute Myelocytic Leukemia (r/r AML). Read more about this study

Who is it for?
Ages 18 to 70 years
Conditions the study is for
Acute Myeloid Leukemia
What is being tested?
RC1012 injection (allo-DNT cells)
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
36 participants
Where
1 siteChina
Study dates
14 Jan 2021to 31 Dec 2024
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Voluntarily sign an ICF and expect to complete the study procedures for follow-up examinations and treatment.
  • Aged 18 to 70 years (including cut-offs), regardless of gender.
  • Accordance with the diagnostic criteria of AML in the 2016 WHO staging and meeting the diagnostic criteria of relapsed and refractory in the Chinese Guidelines for the Treatment of Relapsed/Refractory Acute Myeloid Leukemia (2017 edition).
  • Diagnostic criteria for Relapsed AML: reappearance of leukemic cells in peripheral blood or >5% primitive/naive cells in bone marrow after CR (except for other causes such as bone marrow regeneration after consolidation chemotherapy) or extra-marrow infiltration of leukemic cells.
  • Diagnostic criteria for refractory AML: primary refractory disease that has not achieved complete remission after two courses of induction chemotherapy with a standard regimen (containing cytarabine and an anthracycline or anthraquinone).
  • The patient has recovered from the toxicity of the prior treatment, i.e., less than a grade 2 CTCAE toxicity rating (unless the abnormality is tumor-related).
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  • ECOG score 0 to 1.
  • Appropriate organ function, and accordance with the following criteria within 7 days prior to lymphodepleting chemotherapy.
  • Glutathione aminotransferase (AST) ≤ 3 times the upper limit of normal (ULN)
  • Glutamic aminotransferase (ALT) ≤ 3 times ULN.
  • Total bilirubin ≤ 1.5 times ULN, unless the patient has documented Gilbert syndrome. Patients with Gilbert-Meulengracht syndrome with total bilirubin ≤ 3.0 times ULN and direct bilirubin ≤ 1.5 times ULN may be included.
  • Serum creatinine ≤ 1.5 times ULN or a creatinine clearance ≥ 60 ml/min.
  • Hemoglobin ≥ 60 g/L or hemoglobin maintained at that level following transfusion.
  • Absolute neutrophil count (ANC) ≥ 1.0 x 10^9/L.
  • A platelet count ≥ 30 x 10^9/L or a platelet count maintained at that level following a platelet transfusion
  • Left ventricular ejection fraction (LVEF) ≥ 45%.
  • Female patients with of childbearing potential should have a negative pregnancy test during the screening period. Any male and female patients of childbearing potential must agree to use an effective contraception method for at least six months from the time that they sign the informed consent form until the end of the cell infusion. Female patients without childbearing potential (meeting at least 1 of the following criteria) is described below.
  • Have undergone a hysterectomy or bilateral oophorectomy
  • Medically recognized as ovarian failure.
  • Medically recognized as post-menopausal (at least 12 consecutive months of menopause without pathological or physiological cause).

Who cannot join

  • A diagnosis of acute promyelocytic leukemia.
  • Patients with extramedullary infiltration of leukemia.
  • Evidence or history of central nervous system invasion or cranial neuropathy.
  • Patients with positive hepatitis B surface antigen (HBsAg) or hepatitis B core antibody (HBcAb) and peripheral blood hepatitis B virus (HBV) DNA titration assay not within the normal reference range, positive hepatitis C virus (HCV) antibody and peripheral blood HCV RNA ,positive for human immunodeficiency virus (HIV), or positive for cytomegalovirus (CMV) DNA, or positive syphilis test.
  • Persons with hypersensitivity to excipients of RC1012 injection (e.g., human albumin) or other drugs recommended in the study protocol (e.g., lymphodepleting treatment, Tocilizumab).
  • Serious cardiac disease, including but not limited to severe arrhythmia, unstable angina, massive heart attack, New York Heart Association class III or IV cardiac insufficiency, refractory hypertension.
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  • Persons who have previously received an organ transplant or are preparing to receive an organ transplant (except for hematopoietic stem cell transplantation)
  • Persons with acute and chronic graft-vs-host disease (GVHD)
  • Those who have received a hematopoietic stem cell transplant within 2 months prior to screening tests.
  • Active neurological autoimmune or inflammatory diseases (e.g. Guillain-Barre Syndrome (GBS), Amyotrophic lateral sclerosis (ALS)) and clinically significant active cerebrovascular disease (e.g. cerebral oedema, Posterior Reversible Encephalopathy Syndrome (PRES)).
  • Patients with a life expectancy of less than 3 months
  • Patients have been involved in other clinical studies within 3 months prior to screening.
  • Patients, in the judgement of the investigator and/or clinical criteria, are contraindicated to any study procedure or have other medical conditions that may place them at unacceptable risk.

Trial locations and contacts

1 site in 1 country.

Zhen Cai, MD, PhD contact

+086-0571-56734707

caizhen1@sina.com

Jingsong He, MD, PhD contact

086-13600547247

hejingsong@zju.edu.cn

China1 site, 1 recruiting
  • First Affiliated Hospital of Zhejiang University

    Hangzhou, Zhejiang, 310003

    Huili Zhou, MD, PhD, 086-0571-87236685, 1482055406@qq.com

    Recruiting

Other trials in China

About this study

Official title: A Single-arm, Single/Multiple Dose-escalation and Dose-extension Phase I Clinical Trial of RC1012 Injection (Allogeneic DNT Cells) in Patients With Relapsed/Refractory Acute Myeloid Leukemia

To evaluate the safety and tolerability of RC1012 infusion in patients with relapsed or refractory Acute Myelocytic Leukemia (r/r AML).

Read the detailed description

This study aims to evaluate the safety and tolerability of RC1012 injection in patients with relapsed or refractory Acute Myelocytic Leukemia (r/r AML).

DNT cells are mature T lymphocytes that comprise 3-10% of T cells in human peripheral blood mononuclear cells (PBMC). Allo-DNT cells from healthy donors have been proved to be safe and demonstrated potent cytotoxicity against AML blasts from AML patients in preclinical and preliminary clinical studies. Allo-DNT cells will be collected from healthy donors (NO MHC match needed) and infused into patients. The drug for this study is an off-the-shelf product. Patients DO NOT need to wait for the cell manufacturing.

Being tested
RC1012 injection (allo-DNT cells)
Keywords
r/r AML, Cell Therapy
Medical subject headings
Leukemia, Myeloid, Acute

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • RC1012 injection (allo-DNT cells)Biological

    RC1012 injection (allo-DNT cells) from healthy donors and have been proved to be safe and demonstrated potent cytotoxicity against AML blasts from AML patients in preclinical and preliminary clinical studies. Allo- DNT cells will be collected from healthy donors (NO MHC match needed) and injected into patients. The drug for this study is an off-the-shelf product. Patients DO NOT need to wait for the cell manufacturing.

Study groups in NCT05471323
Study groupRoleWhat they receive
RC1012 injection (allo-DNT Cells)ExperimentalExperimental: RC1012 injection (allo-DNT Cells) The trial is divided into two parts: Part A1 is a single- dose escalation trial with three dose groups (5×10^7 cells/kg, 1.5×10^8 cells/kg, 4.5×10^8 cells/kg), with 9-18 patients planned to be enrolled. Part A2 is a multiple-dose escalation trial consisting of 2 dose groups (1.5×10^8 cells/kg and 4.5×10^8 cells/ kg at day 0, day 7 and day 14), with 9-12 patients planned to be enrolled. Part B is a multiple-dose extension trial in which the Safety Review Committee evaluates whether to extend an additional 3-6 patients to receive the multiple cell infusions based on available PK and safety data.
Receives: Biological: RC1012 injection (allo-DNT cells)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Dose-Limiting Toxicity (DLT)

    To evaluate the safety, tolerability, and determine the recommended dosage of allo-DNT Cell Therapy for Relapsed/Refractory Acute Myelocytic Leukemia

    Measured: Up to 28 days

  2. Maximum Tolerated Dose (MTD)

    MTD was the highest dose for DLT in ≤1/6 subjects

    Measured: Up to 28 days

  3. Incidence of abnormalities

    Incidence of abnormalities in AE/SAE/laboratory tests/electrocardiograms/vital signs.

    Measured: Up to 28 days

Secondary outcomes (9)
  1. Pharmacokinetics (PK) indicator (Cmax)

    The peak concentration of allo-DNT cells amplified in the peripheral blood (Cmax, detected by Flow Cytometry).

    Measured: Up to 90 days

  2. Pharmacokinetics (PK) indicator (AUC)

    Allo-DNT cells blood concentrations will be measured at different time points to evaluate the area under the curve (AUC). (AUC, detected by Flow Cytometry).

    Measured: Up to 2 years

  3. Pharmacokinetics (PK) indicator (Tmax)

    Allo-DNT cells blood concentrations will be measured at different time points to evaluate the peak time (Tmax) in peripheral blood. Tmax is defined as the time to reach the highest concentration (Tmax, detected by Flow Cytometry).

    Measured: Up to 2 years

  4. Pharmacokinetics (PK) indicator (T1/2)

    Allo-DNT cells blood concentrations will be measured at different time points to evaluate the elimination half-life in hours (T1/2). T1/2 is defined as the time point when the concentration of allo-DNT reaches half of maximum in a patient's peripheral blood (T1/2, detected by Flow Cytometry).

    Measured: Up to 2 years

  5. Overall Response Rate

    ORR includes complete response (CR), CRi and PR. CR was defined as < 5% bone marrow blasts in an aspirate with spicules, no blasts with Auer rods or persistence of extramedullary disease, and independent of transfusions; CRi: was defined as<5% bone marrow blasts, either ANC<1×10^9/L or platelets<100×10^9/L, transfusion independence but with persistence of cytopenia; PR was defined as decrease of at least 50% in the percentage of blasts to 5-25% in the bone marrow aspirate and the normalization of blood counts.

    Measured: Up to 2 years

  6. Event-Free Survival

    From the date of enrollment in the clinical trial until the failure of treatment, relapse or death.

    Measured: Up to 2 years

  7. Duration of Response

    The time from the start of the first assessment of CR or PR to the first assessment as disease recurrence or progression or death

    Measured: Up to 2 years

  8. Relapse-Free Survival

    Relapse-free survival is the time from study enrollment until documented disease relapse, or death from any cause.

    Measured: Up to 2 years

  9. Overall Survival

    From the date of entry into the clinical study until death from any cause.

    Measured: Up to 5 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 Jul 2022
  2. Study start14 Jan 2021
  3. Primary completion31 Dec 2023 (estimated)
  4. Study completion31 Dec 2024 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
36 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05471323
Sponsor's protocol ID
RC1012-AML001
Status last verified
Aug 2022
First submitted
20 Jul 2022
Last updated
19 May 2023
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing RC1012 injection (allo-DNT cells) in people with Acute Myeloid Leukemia, run by Guangdong Ruishun Biotech Co., Ltd at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 20 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 19 May 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Zhen Cai, MD, PhD (+086-0571-56734707, caizhen1@sina.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Dose-Limiting Toxicity (DLT) (time frame: Up to 28 days). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 19 May 2023.

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