Temsirolimus and Bevacizumab in Hormone-Resistant Metastatic Prostate Cancer That Did Not Respond to Chemotherapy
Phase I-II Study Evaluating the Safety and Clinical Efficacy of Temsirolimus and Avastin in Patients With Chemotherapy Refractory Castrate Resistant Prostate Cancer (CRPC)
RATIONALE: Temsirolimus may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Monoclonal antibodies, such as bevacizumab, can block tumor growth in different ways. Some block the ability of tumor cells to grow and spread. Others find tumor cells and help kill them or carry tumor-killing substances to them. Bevacizumab may also stop the growth of tumor cells by blocking blood flow to the tumor. Giving temsirolimus together with bevacizumab may be a better way to block tumor growth.
PURPOSE: This phase I/II trial is studying the side effects and best dose of temsirolimus when given together with bevacizumab and to see how well it works in treating patients with hormone-resistant metastatic prostate cancer that did not respond to chemotherapy.
調査の概要
詳細な説明
PRIMARY OBJECTIVES:
I. The primary objective of the Phase I portion of this study is to determine the maximum tolerated dose (MTD) of temsirolimus in combination with AVASTIN in subjects with chemotherapy refractory metastatic CRPC.
II. The primary objective for the Phase II portion of this study is to evaluate the objective response frequency (PSA and RECIST-Response Evaluation Criteria in Solid Tumors-defined) of the combination of temsirolimus and AVASTIN in patients with chemotherapy refractory metastatic CRPC.
SECONDARY OBJECTIVES:
I. To evaluate the effect of the combination of temsirolimus and AVASTIN on time to clinical progression and overall survival in patients with chemotherapy refractory metastatic CRPC.
II. To further evaluate the safety of temsirolimus given in combination with AVASTIN in chemotherapy refractory metastatic CRPC patients at the dose established in our phase I safety phase.
III. To determine the presence of circulating tumor cells (CTCs) and status of single nucleotide polymorphism (SNPs) in CRPC patients. (Exploratory)
OUTLINE: Patients receive temsirolimus IV over 30-60 minutes once weekly and bevacizumab IV over 30-90 minutes once every two weeks . Treatment repeats every 4 weeks for 6 courses in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed for 28 days.
研究の種類
入学 (実際)
段階
- フェーズ2
- フェーズ 1
連絡先と場所
研究場所
-
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Ohio
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Cleveland、Ohio、アメリカ、44195
- Cleveland Clinic Taussig Cancer institute, Case Comprehensive Cancer Center
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Cleveland、Ohio、アメリカ、44106
- Case Medical Center, University Hospitals Seidman Cancer Center, Case Comprehensive Cancer Center
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Willoughby Hills、Ohio、アメリカ、44094
- CCF-Willoughby Hills
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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
- Understand and voluntarily sign an informed consent form
- Patients with histologically confirmed adenocarcinoma of the prostate
- Patients must have evidence of chemotherapy-refractory metastatic CRPC following standard antiandrogen withdrawal (AAWD); CRPC will be defined as patients with metastatic prostate cancer with radiologic evidence of metastases on either bone scan, plain x-rays, CT scans, chest x-ray, and castrate levels of testosterone ( =< 50 mg/dL)
- All patients must be receiving ongoing therapy to ensure testicular androgen suppression (LHRH therapy or bilateral orchiectomy)
- Patients must have received prior Docetaxel-based or Mitoxantrone-based chemotherapy; previous chemotherapy treatments must be completed at least 4 weeks prior to screening, and patients must not have any residual therapy-related toxicity present at screening
- Patients must be off any steroids 7 days prior to the initiation of treatment
- Patients must have evidence of disease progression defined as any of the following:
- a) New sites of metastatic disease on radiographic imaging (bone scan or CT scan of chest/abdomen/pelvis) as determined by the referring physician
- b) PSA progression, defined as 2 consecutive PSA rise at least 2 weeks apart with PSA value over a baseline level of at least 5.0 ng/mL, confirmed after an interval of at least two weeks
- ECOG performance status 0-2 (Eastern Cooperative Oncology Group)
- Absolute neutrophil count >= 1500/uL
- Hemoglobin >= 8 g/dL (blood transfusion not permitted within 2 weeks prior to first dose of treatment)
- Platelets >= 100,000/uL
- Serum creatinine =< 1.5 x ULN
- Total bilirubin =< 1.5 x ULN
- AST (aspartate aminotransferase-SGOT) and ALT (SGPT) that are =< 2.5 x ULN (5 x ULN in patients with liver metastasis)
- Fasting cholesterol =< 350mg/dL and fasting triglycerides =< 400mg/dL
- Hemoglobin A1c (HgbA1c) < 10% (optimal therapy permitted)
- Therapeutic INR/PT for those patients receiving oral anticoagulation
- Urine protein:creatinine ratio (UPC) =< 1.0 at screening
- QTc interval =< 450 msec for males and =< 470 msec for females
- The use of cholesterol medications is allowed during the study
- Patients with a history of a prior malignancy are eligible provided they were treated with curative intent and have been disease-free for the time period considered appropriate by the treating physician
- Sexually active men whose sexual partners are women of childbearing potential must agree to use a medically acceptable form of barrier contraception or abstinence during their participation in the study and for at least six weeks after study drug discontinuation
- Patients on stable doses of bisphosphonates that show subsequent tumor progression may continue on this medication; however, patients are not allowed to initiate bisphosphonate therapy within 4 weeks prior to starting therapy or throughout the study
- Prior radiopharmaceuticals (strontium, samarium) must be completed at least 8 weeks prior to treatment initiation in this study and all major side effects resolved to =< grade 1
- Patients receiving any other hormonal therapy, including any dose of Megestrol acetate (Megace), Proscar (finasteride), any herbal product known to decrease PSA levels (e.g., Saw Palmetto and PC-SPES), must discontinue the agent for at least 4 weeks prior to enrollment
- Life expectancy of at least 12 weeks
- Written informed consent/HIPAA (Health Insurance Portability and Accountability Act)authorization must be provided prior to the performance of any study-related procedures
Exclusion
- Prior treatment with AVASTIN, temsirolimus, everolimus or sirolimus
- Evidence of current or prior central nervous system (CNS) metastases or any imaging abnormality indicative of CNS metastases; patients with history of cord compression are eligible provided they had either palliative radiation therapy or surgery, have NO neurologic symptoms (as determined by treating physician), have stable spinal disease by scans and are off any steroids prior to initiating study drug (at least 7 days)
- Major surgery or radiation therapy within 28 days prior to screening (Palliative radiotherapy to painful bone lesions is allowed within 14 days prior to study entry); subject must have recovered from prior surgery and radiation
- Significant cardiovascular disease defined as congestive heart failure (NYHA Class II, III, or IV), angina pectoris requiring nitrate therapy, or myocardial infarction within the last 6 months
- Inadequately controlled hypertension (defined as a blood pressure of >= 150 mmHg systolic and/or >= 100 mmHg diastolic on medication), or any prior history of hypertensive crisis or hypertensive encephalopathy
- History of stroke or transient ischemic attack within 6 months prior to screening
- Significant vascular disease (e.g., aortic aneurysm, aortic dissection), or symptomatic peripheral vascular disease
- Known congenital long QT syndrome, history of Torsade de pointes or ventricular tachycardia
- Known pulmonary hypertension or pneumonitis
- More than 1 episode of DVT/PE within the last 6 months
- Evidence or history of bleeding diathesis or coagulopathy
- History of abdominal fistula, gastrointestinal perforation, or intra-abdominal abscess within 6 months prior to screening
- Supplements or complementary medicines/botanicals are not permitted while on protocol therapy, except for any combination of the following: conventional multivitamin supplements; selenium; lycopene; soy supplements; patients should review the label with their doctor prior to enrollment, and discontinue disallowed agents prior to study enrollment; patients taking St. John's Wort need to discontinue its use at least 7 days prior to initiating trial
- Serious intercurrent infections or non-malignant medical illnesses including uncontrolled autoimmune disorders
- Psychiatric illnesses/social situations that would limit compliance with protocol requirements
- Known contraindication to receive temsirolimus or AVASTIN
- Use of any other experimental drug or therapy within 28 days of baseline
- Immunocompromised subjects, including known seropositivity for human immunodeficiency virus (HIV), or current or chronic hepatitis B and/or hepatitis C infection (as detected by positive testing for hepatitis B surface antigen [HbsAg] or antibody to hepatitis C virus [anti HCV] with confirmatory testing) (testing is not mandatory to be eligible for the study)
- Anticancer therapies such as biologic therapy and chemotherapy, as well as radiation therapy or cancer surgery
- Other current or recent (within 4 weeks prior to randomization) investigational agent
- Rifampicin
- Immunosuppressive therapies except steroids
- Prophylactic use of white blood growth factors to support neutrophils
- Concomitant treatment with agents that have CYP3A4 induction or inhibition potential should be voided
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:なし
- 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 |
---|---|
実験的:Arm 1: Combination of temsirolimus and AVASTIN
Patients receive temsirolimus IV over 30-60 minutes once weekly and bevacizumab IV over 30-90 minutes once every two weeks .
Treatment repeats every 4 weeks for 6 courses in the absence of disease progression or unacceptable toxicity.
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相関研究
与えられた IV
他の名前:
与えられた IV
他の名前:
相関研究
|
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 |
メジャーの説明 |
時間枠 |
---|---|---|
Maximum Tolerated Dose (MTD) of Temsirolimus (Phase I)
時間枠:at 24 weeks
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Participants received temsirolimus (20mg or 25mg IV weekly) in combination with a fixed dose of IV bevacizumab (10mg/kg every 2 weeks).
The MTD was determined to be the dose at which no unacceptable toxicities were observed.
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at 24 weeks
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Objective Response (Dose Level 2)
時間枠:change from baseline to 12 weeks
|
PSA (Prostate-Specific Antigen) test will be performed every 4 weeks prior to receiving treatment.
PSA response will be measured as the number of participants that had a decline observed from baseline.
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change from baseline to 12 weeks
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二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
---|---|---|
Time to Clinical Progression
時間枠:12 weeks
|
To evaluate the effect of the combination of temsirolimus and AVASTIN on time (in months) to clinical progression from start of treatment.
Progressive Disease according to RECIST Criteria is defined as : At least a 20% increase in the sum of the LD of target lesions, taking as reference the smallest sum LD recorded since the treatment started or the appearance of one or more new lesions
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12 weeks
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Overall Survival
時間枠:baseline to end of study, up to 3.5 years
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Time in months from on study to time of death
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baseline to end of study, up to 3.5 years
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Number of Patients With Toxicity as Assessed by CTCAE v3.0 (Common Toxicity Criteria for Adverse Effects)
時間枠:at 24 weeks
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To further evaluate the safety of temsirolimus given in combination with AVASTIN in chemotherapy refractory metastatic CRPC patients at the dose established in our phase I safety phase.
Specific toxicities are listed in the SAE and AE results.
|
at 24 weeks
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その他の成果指標
結果測定 |
メジャーの説明 |
時間枠 |
---|---|---|
Presence of Circulating Tumor Cells and Single Nucleotide Polymorphism Status
時間枠:at end of treatment
|
To determine the presence of circulating tumor cells (CTCs) and status of single nucleotide polymorphism (SNPs) in CRPC patients.
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at end of treatment
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Prostate Specific Androgen (PSA)
時間枠:at baseline
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Prostate Specific Androgen (PSA) at baseline
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at baseline
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協力者と研究者
捜査官
- 主任研究者:Matthew Cooney, MD、Case Medical Center, University Hospitals Seidman Cancer Center, Case Comprehensive Cancer Center
出版物と役立つリンク
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 (実際)
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
- CASE7808 (その他の識別子:Case Comprehensive Cancer Center)
- NCI-2010-00308 (その他の識別子:NCI/CTRP)
- CASE7808-CC527 (その他の識別子:Cancer Center IRB)
この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。
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