Myelodysplastic Syndromes (MDS) Clinical Trial
Official title:
Clinical Phase II Trial to Describe the Safety and Efficacy of Treosulfan-based Conditioning Therapy Prior to Allogeneic Haematopoietic Stem Cell Transplantation in Paediatric Patients With Haematological Malignancies
Verified date | April 2020 |
Source | medac GmbH |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The primary goal of this study is to evaluate an alternative myeloablative, but reduced toxicity conditioning regimen in children, to describe the safety and efficacy of intravenous (i.v.) Treosulfan administered as part of a standardised Fludarabine-containing conditioning and to contribute to the current pharmacokinetic model to be able to finally give age (or body surface area) dependent dose recommendations. The treatment regimens given in the protocol MC-FludT.17/M are based on sufficient clinical safety and efficacy data. Considering the vital indication for allogeneic haematopoietic stem cell transplantation of the selected patient population, the risk-benefit assessment is therefore reasonably in favour of the study conduct.
Status | Completed |
Enrollment | 70 |
Est. completion date | September 30, 2019 |
Est. primary completion date | December 24, 2016 |
Accepts healthy volunteers | No |
Gender | All |
Age group | N/A to 17 Years |
Eligibility |
Inclusion Criteria: 1. Haematological malignant disease i.e. ALL, AML, MDS or JMML, indicated for allo-HSCT. 2. Indication for first allo-HSCT or second allo-HSCT due to disease relapse, graft failure, or secondary malignancy after previous HSCT. 3. Available matched sibling donor (MSD), matched family donor (MFD) or matched unrelated donor (MUD). For bone marrow (BM) and peripheral blood (PB) match is defined as 9/10 or 10/10 allele match after four digit typing in human leucocyte antigens (HLA)-A, B, C, DRB1 and DQB1. 4. Patients with ALL or AML in complete morphologic remission (blast counts <5 % in BM) and patients with MDS or JMML with blast counts < 20 % in BM at study entry. 5. Age at time of registration from 28 days to less than 18 years of age. 6. Lansky (patients aged <16 years) or Karnofsky (patients aged = 16 years) performance score of at least 70 %. 7. Written informed consent of the parents/ legal guardians and patient's assent/consent according to national regulations. 8. Females of child-bearing potential or male patients' partners with child-bearing potential must use a highly effective method of contraception (pearl index < 1 %) such as complete sexual abstinence, combined oral contraceptive, hormone intrauterine contraceptive device (IUCD), vaginal hormone ring, transdermal contraceptive patch, contraceptive implant or depot contraceptive injection in combination with a second method of contraception like a condom or a cervical cap / diaphragm with spermicide or surgical sterilisation (vasectomy) in male patients or male partners during the study and at least 6 months thereafter. 9. Negative pregnancy test for females of child-bearing potential. Exclusion Criteria: 1. Third or later allo-HSCT. 2. HSCT from haploidentical or umbilical cord blood donor. 3. Symptomatic involvement of central nervous system (CNS) at study entry. 4. Treatment with cytotoxic drugs within 10 days prior to day 7. 5. Obese paediatric patients with body mass index: weight (kg)/[height (m)]² > 30 kg/m². 6. Solid tumours (e.g. neuroblastoma, peripheral neuroectodermal tumour [PNET], Ewing sarcoma). 7. Fanconi anaemia and other deoxyribonucleic acid (DNA) breakage repair disorders. 8. Impaired liver function indicated by Bilirubin > three times the upper limit of normal (ULN) or aspartate aminotransferase/alanine aminotransferase (AST/ALT) > five times ULN, or active infectious hepatitis. 9. Impaired renal function indicated by estimated glomerular filtration rate ([GFR], according to the Schwartz formula) < 60 mL/min/1,73m2. 10. Impaired cardiac function: severe cardiac insufficiency indicated by left ventricle ejection fraction (LVEF) < 35 %. 11. Requirement for supplementary continuous oxygen. 12. Severe active infection requiring deferral of conditioning. 13. Human immunodeficiency virus (HIV) positivity. 14. Known pregnancy, breast feeding. 15. Known hypersensitivity to Treosulfan and/or Fludarabine. |
Country | Name | City | State |
---|---|---|---|
Austria | St. Anna Children Hospital | Vienna | |
Czechia | University Hospital Motol, Charles University, Prague | Prague | |
Germany | University Clinic Düsseldorf | Düsseldorf | |
Germany | University Clinic Erlangen-Nürnberg | Erlangen | |
Germany | Universitätsklinikum Essen | Essen | |
Germany | University Hospital Johann Wolfgang Goethe | Frankfurt | |
Germany | University Clinic Hamburg-Eppendorf | Hamburg | |
Germany | Medical University Hannover | Hannover | |
Germany | University Clinic Heidelberg | Heidelberg | |
Germany | University Clinic Jena | Jena | |
Germany | University Clinic München | München | |
Germany | University Clinic Münster | Münster | |
Germany | University Clinic Regensburg | Regensburg | |
Germany | University Clinic Ulm | Ulm | |
Germany | University Clinic Würzburg | Würzburg | |
Italy | Ospedale Bambino Gesu Roma | Rome | |
Italy | Ospedale Infantile Regina Margherita Torino | Turin | |
Poland | Bydgoszcz Medical University | Bydgoszcz | |
Poland | Kraków Medical University | Kraków | |
Poland | Lublin Medical University | Lublin | |
Poland | Wroclaw Medical University | Wroclaw | |
United Kingdom | Birmingham Children's Hospital | Birmingham | |
United Kingdom | Central Manchester University Hospital | Manchester | |
United Kingdom | Sheffield Children's Hospital | Sheffield |
Lead Sponsor | Collaborator |
---|---|
medac GmbH | Celerion, Syneos Health |
Austria, Czechia, Germany, Italy, Poland, United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Freedom from transplant (treatment)-related mortality (TRM) | TRM is defined as death from any transplant-related cause | from the day of first administration of study medication until day +100 after HSCT | |
Secondary | Engraftment after HSCT | Engraftment is defined as first of three consecutive days for each of the following four criteria: a leukocyte count of more than 1 x 109/L an absolute neutrophil count (ANC) of more than 0.5 x 109/L a platelet count of at least 20 x 109/L in the absence of platelet transfusion a platelet count of at least 50 x 109/L in the absence of platelet transfusion |
until engraftment | |
Secondary | Safety including early toxicity until day +100 after HSCT, serious adverse reactions (SARs) until the end of the longer-term follow-up phase | based on Common Terminology Criteria for Adverse Events (CTCAE) version 4.03 | until 12 months after HSCT | |
Secondary | Hepatic sinusoidal obstruction syndrome (HSOS), lung toxicity (CTCAE term pulmonary fibrosis), hepatic toxicity and infections of any CTCAE grade (non-serious and serious) | until day +100 after HSCT | ||
Secondary | Donor-type chimerism | The incidences of complete donor-type chimerism will be estimated as the number of patients with complete chimerism divided by the total number of patients at risk. | on day +28, day +100 and 12 months after HSCT | |
Secondary | Non relapse mortality (NRM), transplant related mortality (TRM), graft failure rate, incidence of relapse/progression, relapse-free/progression-free survival (RFS/PFS) and overall survival (OS) | Non-relapse mortality will be defined as the probability of dying in the absence of persisting disease or previous occurrence of relapse/progression or graft failures. TRM is defined as the probability of dying from a transplant-related cause. The associated time span is defined as the interval from day 0 to death due to a transplant-related cause. The incidence of relapse/progression is defined as the probability of having relapse/progression of the underlying disease. Relapse-free/progression-free survival is defined as the time length between day 0 and the date of relapse/progression of the underlying disease or death due to any cause. OS after HSCT is defined as the probability of surviving. Survival time is defined as the time period between day 0 and the day of death due to any cause. Kaplan-Meier methods will be applied for estimating the probability of these parameters over time. |
after 12 months after HSCT and until the end of the longer-term follow-up phase | |
Secondary | Incidence and severity of acute (until day +100) and chronic (until 12 months after HSCT) graft versus host disease (aGvHD/cGvHD) | The probability of grade I-IV and grade III-IV aGvHD will be estimated by cumulative incidence rates and summarised for selected time points together with their approximate 90 % confidence intervals. As for aGvHD, the probability of cGvHD will be estimated by cumulative incidence rates. |
until 12 months after HSCT | |
Secondary | Use of rescue therapies including donor-lymphocyte infusions (DLIs) and further conditioning regimens | until 12 months after HSCT | ||
Secondary | PK parameters of Treosulfan and its epoxides | The following PK parameters of Treosulfan and its epoxides will be measured: Clearance (CL); volume of distribution (Vss); terminal elimination rate constant (?z); terminal elimination half-life (t1/2); area under the concentration time curve from time zero to infinity (AUC8); maximum observed concentration (Cmax, i.e. C end of infusion). | day -6 prior to HSCT |
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