Analysis of T Cell Metabolism in Relapsed AML Patients With DLIs and Bicanorm Treatment

NCT ID: NCT04321161

Last Updated: 2020-03-25

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

EARLY_PHASE1

Total Enrollment

10 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-02-25

Study Completion Date

2020-03-18

Brief Summary

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In this study, the outcomes of relapsed AML patients receiving DLIs and Bicanorm (Sodium bicarbonate) were analyzed including T cell metabolism and immune phenotype.

Detailed Description

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Acute myeloid leukemia (AML) patients suffering from relapse after allogeneic hematopoietic cell transplantation (allo-HCT) have a poor survival outcome. Donor lymphocyte infusions (DLIs) to induce graft-versus-leukemia (GvL) effects have a limited survival benefit.

Extensive preclinical studies have shown a beneficial effect of sodium bicarbonate on metabolic fitness of leukemia-reactive T cells in GvL AML models. Therefore, the investigators aimed to investigate a potential benefit of Bicanorm (Sodium bicarbonate) treatment accompanying DLIs in relapsed AML patients. The investigators determined the metabolic and immune phenotype of T cells isolated from patients receiving DLIs before and after Bicanorm (Sodium bicarbonate) treatment.

Conditions

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Acute Myeloid Leukemia, in Relapse

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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AML relapse under DLI and Bicanorm treatment

Analysis of T cell metabolism, immune phenotype and serum pH before and after Bicanorm (Sodium bicarbonate) treatment.

Group Type EXPERIMENTAL

Bicanorm

Intervention Type DRUG

Treatment of patients with relapsed AML after allo-HCT receiving DLIs with Bicanorm (1-1-1) for 7 days.

sodium hydrogen carbonate (1 g per 1 tablet) = sodium ion (11,9 mmol per 1 tablet) = sodium ion (273 mg per 1 tablet) = hydrogen carbonate ion (11,9 mmol per 1 tablet)

Interventions

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Bicanorm

Treatment of patients with relapsed AML after allo-HCT receiving DLIs with Bicanorm (1-1-1) for 7 days.

sodium hydrogen carbonate (1 g per 1 tablet) = sodium ion (11,9 mmol per 1 tablet) = sodium ion (273 mg per 1 tablet) = hydrogen carbonate ion (11,9 mmol per 1 tablet)

Intervention Type DRUG

Other Intervention Names

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Sodium bicarbonate

Eligibility Criteria

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Inclusion Criteria

* confirmed AML relapse after allo-HCT
* patients receiving DLIs
* age ≥ 18 years
* written informed consent
* ability to understand the nature of the study and the study related procedures and to comply with them

Exclusion Criteria

* age \< 18 years
* lack of informed consent
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University of Freiburg

OTHER

Sponsor Role lead

Responsible Party

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Robert Zeiser

Director of the Division of Tumor Immunology

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Robert Zeiser, Prof. Dr.

Role: PRINCIPAL_INVESTIGATOR

Medical Center University of Freiburg

Locations

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Medical Center University of Freiburg

Freiburg im Breisgau, Baden-Wurttemberg, Germany

Site Status

Countries

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Germany

References

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Chang CH, Qiu J, O'Sullivan D, Buck MD, Noguchi T, Curtis JD, Chen Q, Gindin M, Gubin MM, van der Windt GJ, Tonc E, Schreiber RD, Pearce EJ, Pearce EL. Metabolic Competition in the Tumor Microenvironment Is a Driver of Cancer Progression. Cell. 2015 Sep 10;162(6):1229-41. doi: 10.1016/j.cell.2015.08.016. Epub 2015 Aug 27.

Reference Type BACKGROUND
PMID: 26321679 (View on PubMed)

Pilon-Thomas S, Kodumudi KN, El-Kenawi AE, Russell S, Weber AM, Luddy K, Damaghi M, Wojtkowiak JW, Mule JJ, Ibrahim-Hashim A, Gillies RJ. Neutralization of Tumor Acidity Improves Antitumor Responses to Immunotherapy. Cancer Res. 2016 Mar 15;76(6):1381-90. doi: 10.1158/0008-5472.CAN-15-1743. Epub 2015 Dec 30.

Reference Type BACKGROUND
PMID: 26719539 (View on PubMed)

Schmid C, Labopin M, Nagler A, Bornhauser M, Finke J, Fassas A, Volin L, Gurman G, Maertens J, Bordigoni P, Holler E, Ehninger G, Polge E, Gorin NC, Kolb HJ, Rocha V; EBMT Acute Leukemia Working Party. Donor lymphocyte infusion in the treatment of first hematological relapse after allogeneic stem-cell transplantation in adults with acute myeloid leukemia: a retrospective risk factors analysis and comparison with other strategies by the EBMT Acute Leukemia Working Party. J Clin Oncol. 2007 Nov 1;25(31):4938-45. doi: 10.1200/JCO.2007.11.6053. Epub 2007 Oct 1.

Reference Type BACKGROUND
PMID: 17909197 (View on PubMed)

Other Identifiers

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BICARB_AMLrelapse

Identifier Type: -

Identifier Source: org_study_id

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