New combo therapy for rare blood disorder shows promise
NCT ID NCT01163942
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether adding a drug called G-CSF to the usual treatment (ATG and Cyclosporin A) helps people with newly diagnosed severe aplastic anemia. Severe aplastic anemia is a rare condition where the bone marrow stops making enough blood cells. The trial included 205 participants and measured survival, blood cell recovery, and infections. The study was stopped early, but the results help doctors understand the best way to manage this serious disease.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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205 people
The number who actually took part.
- Start date
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Mar 2001
- Finished
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Nov 2010
- Lead sponsor
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A research network
The lead sponsor is a research network or cooperative group.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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2 to 90 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Severe or very severe aplastic anemia * Less than 6 months from diagnosis of severe aplastic anemia by bone marrow biopsy * Ethical - Before randomization is done the subject or legally acceptable representative must give written informed consent for participation in the study Exclusion Criteria: * Eligibility for an HLA-matched sibling donor transplant * Prior therapy with ATG * Cyclosporin A \<4 weeks before enrollment * Treatment with G-CSF \<2 weeks before enrollment * Other growth factors \<4 weeks before enrollment * Diagnosis of Fanconi anemia, dyskeratosis congenita or congenital bone marrow failure syndrome * Evidence of myelodysplastic disease * Diagnosis or previous history of carcinoma (except local cervical, basal cell, squamous cells, or melanoma) * Subjects who have infection, hepatic, renal cardiac, metabolic or other concurrent diseases of such severity that death is imminent * Subject is pregnant (e.g. positive HCG test) or is breast feeding
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Asklepios Klinik Altona
Hamburg, Germany
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Athens General Pediatric Hospital
Athens, Greece
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Avicenne Hospital
Bobigny, France
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Benjamin Franklin Hospital
Berlin, Germany
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Bretonneau Hospital
Tours, France
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Bristol Haematology & Oncology Centre
Bristol, United Kingdom
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Brüderkrankenhaus St. Josef
Paderborn, Germany
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CHU Angers
Angers, France
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CHU Caremeau
Nîmes, France
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CHU Clemenceau
Caen, France
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CHU Limoges
Limoges, France
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CHU Montpellier
Montpellier, France
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CHU Reims
Reims, France
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CHU Toulouse
Toulouse, France
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CHU de Caen
Caen, France
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Charite Hospital
Berlin, Germany
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Deutsche Klinik für Diagnostik
Wiesbaden, Germany
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Erasmus MC
Rotterdam, Netherlands
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Evangelisches Krankenhaus Diakonie
Bremen, Germany
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Evangelisches Waldkrankenhaus
Berlin, Germany
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G. Roussy Institute
Villejuf, France
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Gaslini Children's Hospital
Genova, Italy
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Groningen University Hospital
Groningen, Netherlands
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Hannover Medical School
Hanover, Germany
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Harlachin
München, Germany
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Heartlands Hospital
Birmingham, United Kingdom
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Helios Klinikum Wuppertal
Wuppertal, Germany
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Henri Mondor
Créteil, France
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Hopitaux Universitaires de Geneve
Geneva, Switzerland
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Huddinge University Hospital
Stockholm, Sweden
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Klinikum Ernst von Bergmann
Potsdam, Germany
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Klinikum Nord
Nuremberg, Germany
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Klinikum Oldenburg
Oldenburg, Germany
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Klinikum Stuttgart
Stuttgart, Germany
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Klinkum Rechts der Isar
München, Germany
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Krakenhaus München Schwabing
München, Germany
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Leiden University Medical Centre
Leiden, Netherlands
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Lund Unversity
Lund, Sweden
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Marien Hopistal
Hagen, Germany
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Monklands Hospital
Airdrie, United Kingdom
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Paoli-Calmettes Institute
Marseille, France
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Royal Cornwall Hospitals
Cornwall, United Kingdom
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San Martino
Genova, Italy
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San Raffaele Hospital
Milan, Italy
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Sana Klinikum
Lübeck, Germany
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St George's Hospital/ St George's University of London
London, Sw17 0RE, United Kingdom
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St. Antoine
Paris, France
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St. Bartholomew's Hospital
London, United Kingdom
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St. Johannes-Hospital
Duisburg, Germany
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St. Louis Hospital
Paris, France
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The Leeds Teaching Hospitals
Leeds, United Kingdom
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University Clinic Tübingen
Tübingen, Germany
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University Hospital
Pilsen, Czechia
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University Hospital
Brest, France
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University Hospital
Cologne, Germany
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University Hospital
Frankfurt, Germany
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University Hospital
Halle, Germany
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University Hospital
Heidelberg, Germany
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University Hospital
Regensburg, Germany
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University Hospital
Rostock, Germany
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University Hospital
Wiesbaden, Germany
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University Hospital
Pátrai, Greece
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University Hospital
Padova, Italy
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University Hospital
Basel, Switzerland
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University Hospital Carl Gustav Carus
Dresden, Germany
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University Hospital Georg August
Göttingen, Germany
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University Hospital Heinrich Heine
Düsseldorf, Germany
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University Hospital Ulm
Ulm, Germany
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Universitäts Klinikum
Ludwigshaven, Germany
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Universitätsklinik
Essen, Germany
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Wishaw General
Wishaw, United Kingdom
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Half-Matched stem cell transplants tested as a cure path for older aplastic anemia patients
- New hope for older adults with rare blood disorder: safer transplant regimen under study
- Double stem cell transplant could be Game-Changer for rare blood disorder
- New study aims to tame harsh side effects of aplastic anemia therapy
- New study: which first treatment works best for severe aplastic anemia?
- New transplant recipe may tame severe anemia