Study of Decitabine Induction Prior to Allogeneic Hematopoietic Cell Transplant in Newly Diagnosed MDS Patients
Prospective Phase II Study of Decitabine Induction Therapy to Reduce Pre-transplant Disease Burden Prior to Allogeneic Hematopoietic Cell Transplant in Patients With Newly Diagnosed Myelodysplastic Syndromes.
Allogeneic blood stem cell transplant remains the only potential curative treatment for myelodysplastic syndromes (MDS) to date. Pre-transplant induction chemotherapy with leukemia-type regimens is associated with significant toxicity and even death. The hypomethylating agents decitabine and 5-azacytidine have been shown in studies to cause improved hematologic parameters and partial or complete responses in patients with high risk MDS compared to standard therapy. In contrast to leukemia-type chemotherapy, decitabine is associated with a relatively low risk of toxicity. We therefore propose to treat transplant-eligible MDS patients with Decitabine as induction therapy and a bridge to transplant.
Hypothesis:
- Decitabine is able to reduce disease burden as measured by blood and marrow blast counts prior to allogeneic hematopoietic stem cell transplant to below 5%.
- Decitabine is well-tolerated by patients with high-risk MDS and will be a safe induction agent and bridge prior to allogeneic transplant in transplant-eligible patients.
調査の概要
詳細な説明
Primary endpoint:
- safety and tolerability of Decitabine prior to transplant (assessed by occurence of non-hematologic toxicities of grade 3 or more as defined by CTC grading)
- reduction in pre-transplant disease burden ability to achieve blast <5% in the bone marrow and peripheral blood
Secondary endpoints:
- Proportion of patients with suitable donor able to proceed to an allogeneic hematopoietic cell transplant.
- Non-relapse mortality
- time to neutrophil engraftment
- Overall survival and disease-free survival.
Patients will receive Decitabine until blast <5% is achieved, suitable HLA-matched donor or umbilical cord blood is available up to a maximum of 6 cycles. Patient who progress on therapy or are unable to find a donor by 6 cycles will be removed from protocol. The method, conditioning regimen and choice of donor will be determined based on patient's age and functional status, and transplant physician's discretion. The available regimens are standardized within the center
研究の種類
入学 (実際)
段階
- フェーズ2
連絡先と場所
研究場所
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Singapore、シンガポール、169608
- Singapore General Hospital
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参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
説明
Inclusion Criteria:
- Newly diagnosed MDS patients aged 21 to 65 years belonging to any of the following categories: refractory cytopenia with multilineage dysplasia (RCMD) with or without ringed sideroblasts (i.e. RCMD and RCMD-RS), refractory anemia with excess blasts-1 (RAEB-1) or RAEB-2 if the prognostic scores are IPSS (international prognostic scoring system) Int-2 or IPSS-high or with WPSS (WHO prognostic scoring system) 3 and above
- Therapy-related MDS with IPSS Int-2 and above or WPSS 3
- Acceptable cardiac function MUGA or Echocardiography left ventricular ejection fraction of 40% and above
- Acceptable lung function: FEV1>70% predicted, DLCO>60% predicted
- Acceptable renal function: CCT > 50ml/min
- Acceptable liver function: abnormalities in bilirubin or transaminases not > 2times upper limit of normal
- Performance status of ECOG 2 or HCT-specific Comorbidity Index < 3
Exclusion Criteria:
- Any co-morbidity other than MDS which limits life-expectancy to <3mth
- Diagnosis of other active cancer other than squamous cell carcinoma, basal cell carcinoma or carcinoma-in-situ 1 or 2 of the cervix
- Presence of active infections not under control
- Receipt of 5-azacytidine or other induction chemotherapy for MDS/AML
- Patients not keen to explore allogeneic HCT as part of curative treatment plan
- Pregnancy
研究計画
研究はどのように設計されていますか？
デザインの詳細
- 主な目的：処理
- 割り当て：非ランダム化
- 介入モデル：単一グループの割り当て
- マスキング：なし（オープンラベル）
武器と介入
参加者グループ / アーム |
介入・治療 |
|---|---|
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実験的：Single Arm
Decitabine 20mg/m^2 infusion one hour per day, for 5days,every 28days,total 2-6cycles.
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20mg/m^2 infusion one hour per day, for 5days,every 28days,total 2-6cycles.
他の名前：
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この研究は何を測定していますか？
主要な結果の測定
結果測定 |
時間枠 |
|---|---|
|
Reduction in pre-transplant disease burden
時間枠：2 years
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2 years
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二次結果の測定
結果測定 |
時間枠 |
|---|---|
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無病生存
時間枠：3年
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3年
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Proportion of patients with suitable donor able to proceed to an allogeneic HCT
時間枠：2 years
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2 years
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Non-relapse mortality
時間枠：3 years
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3 years
|
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Time to neutrophil engraftment
時間枠：2 years
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2 years
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Overall survival survival
時間枠：3 years
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3 years
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協力者と研究者
捜査官
- 主任研究者：Aloysius Ho、Singapore General Hospital
研究記録日
主要日程の研究
研究開始
一次修了 (実際)
研究の完了 (実際)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (見積もり)
学習記録の更新
投稿された最後の更新 (見積もり)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
キーワード
追加の関連 MeSH 用語
その他の研究ID番号
- Decitabine01
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