NCT00662090

Brief Summary

The aim of the study is to improve the accuracy of diagnosis for children and adolescents with MDS by a standardized review of morphology and standardized cytogenetic and molecular analysis. The primary objectives of the study are:

  • To evaluate the frequency of the different subtypes of MDS in childhood and adolescence by a standardized diagnostic approach
  • To evaluate the frequency of cytogenetic and molecular abnormalities: Specifically using array-CGH to evaluate the frequency of subtle chromosomal imbalances, i.e. gains and losses of defined chromosomal regions, and amplifications. Specifically using mFISH to identify unknown chromosomal aberrations, particularly subtle translocations involving new candidate genes, and to better define chromosomal breakpoints. The secondary objectives of the study are:
  • To assess survival for children and adolescents with MDS and JMML
  • To evaluate relapse rate, morbidity and mortality in children with MDS and JMML treated by HSCT

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
260

participants targeted

Target at P75+ for all trials

Timeline
19mo left

Started Apr 2010

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress91%
Apr 2010Dec 2027

First Submitted

Initial submission to the registry

April 17, 2008

Completed
4 days until next milestone

First Posted

Study publicly available on registry

April 21, 2008

Completed
1.9 years until next milestone

Study Start

First participant enrolled

April 1, 2010

Completed
17.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2027

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2027

Last Updated

May 4, 2026

Status Verified

April 1, 2026

Enrollment Period

17.7 years

First QC Date

April 17, 2008

Last Update Submit

April 28, 2026

Conditions

Keywords

MDSJMMLEWOG-MDSMyelodysplastic Syndromes (MDS)Juvenile Myelomonocytic Leukemia (JMML)

Outcome Measures

Primary Outcomes (2)

  • To evaluate the frequency of the different subtypes of MDS in childhood and adolescence by a standardized diagnostic approach

    5 years

  • To evaluate the frequency of cytogenetic and molecular abnormalities

    5 years

Secondary Outcomes (2)

  • To assess survival for children and adolescents with MDS and JMML

    5 years

  • To evaluate relapse rate, morbidity and mortality in children with MDS and JMML treated by HSCT

    5 years

Eligibility Criteria

AgeUp to 17 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)
Sampling MethodNon-Probability Sample
Study Population

MDS and JMML diagnosted

You may qualify if:

  • Written informed consent by the caretakers and whenever possible the patient's assent.
  • Confirmed diagnosis of MDS or JMML (morphology, cytogenetics)
  • Myeloid leukemia of Down syndrome (patients aged \> 6 years).
  • Age less than 18 years

You may not qualify if:

  • Denied informed consent and/or assent by caretakers/patient.
  • Myeloid leukemia of Down syndrome (patients \< 6 years).
  • Participation in another study within the last 4 weeks (except for therapy optimizing studies in cancer or bone marrow failure disorders and studies in diagnostics).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University Hospital of Freiburg

Freiburg im Breisgau, Baden-Wurttemberg, 79106, Germany

RECRUITING

Related Publications (7)

  • Drexler B, Schwarz-Furlan S, Baumann I, Rudelius M, Nollke P, Lebrecht D, Ramamoorthy S, Rotari N, Karow A, Hirabayashi S, Beier F, Behrens YL, Gohring G, Kalb R, Wlodarski MW, Strahm B, Erlacher M, Niemeyer CM, Yoshimi A. Long-term outcomes of patients with refractory cytopenia of childhood under observation only. Blood Adv. 2025 Aug 26;9(16):4279-4285. doi: 10.1182/bloodadvances.2025016136.

  • Erlacher M, Andresen F, Sukova M, Stary J, De Moerloose B, Bosch JVWT, Dworzak M, Seidel MG, Polychronopoulou S, Beier R, Kratz CP, Nathrath M, Fruhwald MC, Gohring G, Bergmann AK, Mayerhofer C, Lebrecht D, Ramamoorthy S, Yoshimi A, Strahm B, Wlodarski MW, Niemeyer CM. Spontaneous remission and loss of monosomy 7: a window of opportunity for young children with SAMD9L syndrome. Haematologica. 2024 Feb 1;109(2):422-430. doi: 10.3324/haematol.2023.283591.

  • Jorgensen SF, Buechner J, Myhre AE, Galteland E, Spetalen S, Kulseth MA, Sorte HS, Holla OL, Lundman E, Alme C, Heier I, Flaegstad T, Floisand Y, Benneche A, Fevang B, Aukrust P, Stray-Pedersen A, Gedde-Dahl T, Nordoy I. A Nationwide Study of GATA2 Deficiency in Norway-the Majority of Patients Have Undergone Allo-HSCT. J Clin Immunol. 2022 Feb;42(2):404-420. doi: 10.1007/s10875-021-01189-y. Epub 2021 Dec 10.

  • Aalbers AM, van den Heuvel-Eibrink MM, Baumann I, Dworzak M, Hasle H, Locatelli F, De Moerloose B, Schmugge M, Mejstrikova E, Novakova M, Zecca M, Zwaan CM, Te Marvelde JG, Langerak AW, van Dongen JJ, Pieters R, Niemeyer CM, van der Velden VH. Bone marrow immunophenotyping by flow cytometry in refractory cytopenia of childhood. Haematologica. 2015 Mar;100(3):315-23. doi: 10.3324/haematol.2014.107706. Epub 2014 Nov 25.

  • Aalbers AM, van den Heuvel-Eibrink MM, Baumann I, Beverloo HB, Driessen GJ, Dworzak M, Fischer A, Gohring G, Hasle H, Locatelli F, De Moerloose B, Noellke P, Schmugge M, Stary J, Yoshimi A, Zecca M, Zwaan CM, van Dongen JJ, Pieters R, Niemeyer CM, van der Velden VH, Langerak AW. T-cell receptor Vbeta skewing frequently occurs in refractory cytopenia of childhood and is associated with an expansion of effector cytotoxic T cells: a prospective study by EWOG-MDS. Blood Cancer J. 2014 May 2;4(5):e209. doi: 10.1038/bcj.2014.28.

  • Yoshimi A, van den Heuvel-Eibrink MM, Baumann I, Schwarz S, Simonitsch-Klupp I, de Paepe P, Campr V, Kerndrup GB, O'Sullivan M, Devito R, Leguit R, Hernandez M, Dworzak M, de Moerloose B, Stary J, Hasle H, Smith OP, Zecca M, Catala A, Schmugge M, Locatelli F, Fuhrer M, Fischer A, Guderle A, Nollke P, Strahm B, Niemeyer CM. Comparison of horse and rabbit antithymocyte globulin in immunosuppressive therapy for refractory cytopenia of childhood. Haematologica. 2014 Apr;99(4):656-63. doi: 10.3324/haematol.2013.095786. Epub 2013 Oct 25.

  • Gohring G, Michalova K, Beverloo HB, Betts D, Harbott J, Haas OA, Kerndrup G, Sainati L, Bergstraesser E, Hasle H, Stary J, Trebo M, van den Heuvel-Eibrink MM, Zecca M, van Wering ER, Fischer A, Noellke P, Strahm B, Locatelli F, Niemeyer CM, Schlegelberger B. Complex karyotype newly defined: the strongest prognostic factor in advanced childhood myelodysplastic syndrome. Blood. 2010 Nov 11;116(19):3766-9. doi: 10.1182/blood-2010-04-280313. Epub 2010 Aug 27.

Related Links

Biospecimen

Retention: SAMPLES WITH DNA

At diagnosis, prior to HSCT and at relapse material form peripheral blood and bone marrow will be retrieved and stored for research purposes. If there are other diagnostic bone marrow examinations at other time points (prior to HSCT), the material will be handled the same way. The following material will be retrieved: * 8 smears from PB * 8 smears from BM * at least 5 ml of heparinized PB * at least 5 ml of heparinized BM

MeSH Terms

Conditions

Myelodysplastic SyndromesLeukemia, Myelomonocytic, Juvenile

Condition Hierarchy (Ancestors)

Bone Marrow DiseasesHematologic DiseasesHemic and Lymphatic DiseasesLeukemia, MyeloidLeukemiaNeoplasms by Histologic TypeNeoplasmsMyelodysplastic-Myeloproliferative Diseases

Study Officials

  • Charlotte M. Niemeyer, M.D.

    University of Freiburg

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Charlotte M. Niemeyer, M.D.

CONTACT

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Prof. Dr. Charlotte Niemeyer, MD

Study Record Dates

First Submitted

April 17, 2008

First Posted

April 21, 2008

Study Start

April 1, 2010

Primary Completion (Estimated)

December 1, 2027

Study Completion (Estimated)

December 1, 2027

Last Updated

May 4, 2026

Record last verified: 2026-04

Locations