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Relapse LeukemiaEVADENCT03964922

Immunoevasive Tactics Employed by Myeloid Malignancy After Allogeneic Stem Cell Transplantation

A study testing blood sample and bone marrow sample in people with Relapse Leukemia and Allogeneic Stem Cell Transplantation, run by Central Hospital, Nancy, France.

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 The sponsor has not verified this record for over two years, so it may be out of date.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

Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is still the only treatment available to cure acute myeloid leukemia and high risk myelodysplasia. Allo-HSCT has an anti-tumor effect (called the graft versus leukemia effect= GVL) mediated by donor lymphocytes. Read more about this study

Who is it for?
Ages 18 to 71 years
What is being tested?
blood sample and bone marrow sample
Could I receive a placebo?
No, everyone receives an active treatment
How many people
104 participants
Where
No sites listed yet
Study dates
1 Sep 2019to 1 Nov 2022
Phase
Interventional
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 71 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients with acute myeloid leukemia in complete cytological remission with intermediate or high risk prognosis according to ELN 2017
  • Patients with myelodysplasia according to the WHO 2016 definition, with IPSS ≥1.5 and disease status is : stable or in partial response or complete response according to IWG 2006.
  • Patients with indication of first allo-HSCT with a matched related or unrelated donor
  • Patients receiving non-myeloablative or reduced toxicity conditioning
  • Patients affiliated to a social security scheme
  • Patients who have received a complete information on the organization of the research and signed his informed consent

Who cannot join

  • Patients with an alternative donor (HLA 5/10 or unit cord blood)
  • Patients with another active cancer or a history of cancer diagnosed in the previous 5 years
  • Patients with uncontrolled infection at the time of inclusion, or with positive HIV (1 + 2) or HTLV (1 + 2), Hepatitis C or active hepatitis B
  • Patients referred to in Articles L. 1121-5, L. 1121-7 and L1121-8 of the Public Health Code.

Trial locations and contacts

No sites are listed yet.

Marie-Therese RUBIO, MD contact

+33383153282

m.rubio@chru-nancy.fr

About this study

Official title: Study of the Immunoevasive Mecanisms and Especially Myeloid Suppressive Cells in the Medullar Microenvironment Employed by Myeloid Malignancy (AML and High Risk MDS) When Relapsing After Allogeneic Stem Cell Transplantation

Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is still the only treatment available to cure acute myeloid leukemia and high risk myelodysplasia. Allo-HSCT has an anti-tumor effect (called the graft versus leukemia effect= GVL) mediated by donor lymphocytes. This GVL effect is often associated with graft-versus-host disease (GVHD). Several studies have shown that the relapse incidence is lower in patients developing chronic GVHD. These studies confirm the impact of donor immune system on leukemic residual cells. In fact, the relapse incidence increased in patients with no sign of GVHD. The investigators assume that leukemic cells probably use mechanisms to inhibit the allogeneic response. These escape mechanisms to immunosurveillance have been described in other malignancies. Out of context of the allo-HSCT, in acute myeloid leukemias and myelodysplasia, correlations between the severity of the disease and the presence of regulatory T cells (Tregs) or exhausted T cells (PD1 positive) in the bone marrow and in the blood of patients were described at the time of diagnosis or relapse. Myeloid Derived Suppressive Cells (MDSCs) have been described as capable of inducing Tregs and exhausted T cells in the tumor microenvironment.The investigators want to evaluate the role of myeloid suppressive cells in bone marrow after allo HSCT. They hypothesize that their presence in bone marrow and / or blood recipient is correlated to the relapse incidence.

Being tested
blood sample, bone marrow sample
Medical subject headings
Neoplasms

What participants receive

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

  • blood sampleBiological

    20 ml at inclusion, and 20ml at 1, 3, 6 and 12 months after allo HSCT

  • bone marrow sampleBiological

    3 ml at inclusion, and 3 ml at 1, 3, 6 and 12 months after allo HSCT

Study groups in NCT03964922
Study groupRoleWhat they receive
immune escape mecanimsExperimentalCohort study with a representative sample of patients
Receives: Biological: blood sample; Biological: bone marrow sample

What is being measured

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

  1. Myeloid suppressive cells and relapse incidence

    To investigate the relationship between the percentage of myeloid derived suppressive cells (MDSCs) in total leukocytes in peripheral blood and the relapse incidence after allogeneic stem cell transplantation.

    The patients will be grouped according to median MDSC frequency values. Relapse incidence will be compared across the two groups (low and high frequency of MDSC).

    Measured: 2 years

Secondary outcomes (4)
  1. Myeloid suppressive cells and the medullar microenvironment (regulatory T cells and mesenchymal stem cells)

    To correlate levels of bone marrow MDSC and regulatory T cells (Tregs) and exhausted T cells and the quality of mesenchymal cells in bone marrow.

    Measured: 2 years

  2. percentage of myeloid suppressive cells

    Measured: 2 years

  3. incidence of acute GVHD

    Measured: 2 years

  4. incidence of chronic GVHD

    Measured: 2 years

Timeline

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

  1. First posted28 May 2019
  2. Study start1 Sep 2019 (estimated)
  3. Primary completion30 Jun 2022 (estimated)
  4. Study completion1 Nov 2022 (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 N/A
Primary purpose
Basic science
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
104 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03964922
Sponsor's protocol ID
2019-A00842-55
Acronym
EVADE
Status last verified
May 2019
First submitted
3 May 2019
Last updated
28 May 2019
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • D'Aveni M, Rossignol J, Coman T, Sivakumaran S, Henderson S, Manzo T, Santos e Sousa P, Bruneau J, Fouquet G, Zavala F, Alegria-Prevot O, Garfa-Traore M, Suarez F, Trebeden-Negre H, Mohty M, Bennett CL, Chakraverty R, Hermine O, Rubio MT. G-CSF mobilizes CD34+ regulatory monocytes that inhibit graft-versus-host disease. Sci Transl Med. 2015 Apr 1;7(281):281ra42. doi: 10.1126/scitranslmed.3010435.

    PubMed 25834108
  • Kumar B, Garcia M, Weng L, Jung X, Murakami JL, Hu X, McDonald T, Lin A, Kumar AR, DiGiusto DL, Stein AS, Pullarkat VA, Hui SK, Carlesso N, Kuo YH, Bhatia R, Marcucci G, Chen CC. Acute myeloid leukemia transforms the bone marrow niche into a leukemia-permissive microenvironment through exosome secretion. Leukemia. 2018 Mar;32(3):575-587. doi: 10.1038/leu.2017.259. Epub 2017 Aug 17.

    PubMed 28816238
  • Nadal E, Garin M, Kaeda J, Apperley J, Lechler R, Dazzi F. Increased frequencies of CD4(+)CD25(high) T(regs) correlate with disease relapse after allogeneic stem cell transplantation for chronic myeloid leukemia. Leukemia. 2007 Mar;21(3):472-9. doi: 10.1038/sj.leu.2404522. Epub 2007 Jan 11.

    PubMed 17215853
  • Kong Y, Zhang J, Claxton DF, Ehmann WC, Rybka WB, Zhu L, Zeng H, Schell TD, Zheng H. PD-1(hi)TIM-3(+) T cells associate with and predict leukemia relapse in AML patients post allogeneic stem cell transplantation. Blood Cancer J. 2015 Jul 31;5(7):e330. doi: 10.1038/bcj.2015.58.

    PubMed 26230954

Questions about this trial

What is this clinical trial studying?

A study testing blood sample and bone marrow sample in people with Relapse Leukemia and Allogeneic Stem Cell Transplantation, run by Central Hospital, Nancy, France.

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 6 inclusion and 4 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 28 May 2019. Status can change between updates, so confirm with the study contact before making plans.

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.

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 Maud D'AVENI, MD (+33383153289, m.daveni-piney@chru-nancy.fr), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Myeloid suppressive cells and relapse incidence (time frame: 2 years). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03964922, which also lists 4 linked publications.

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 28 May 2019.

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