NCT01840488已完成1 期
A Phase I Dose Escalation Study To Determine The Optimal Biological Dose Of BN83495 - An Oral Steroid Sulphatase Inhibitor - In Postmenopausal Women With Oestrogen-Receptor Positive Breast Cancer Whose Disease Progressed After Prior Therapy For Locally Advanced/Metastatic Disease
适应症
干预措施
相关药物
试验速览
- 阶段
- 1 期
- 状态
- 已完成
- 发起方
- Ipsen
- 入组人数
- 50
- 试验地点
- 5
- 主要终点
- Change in percentage of steroid sulphatase (STS) inhibition in circulating Peripheral Blood Mononuclear Cells (PBMCs) after repeated daily therapy
研究概览
简要总结
The purpose of this study is to determine the optimal biological dose (OBD) of Irosustat (BN83495) in postmenopausal women with oestrogen receptor (ER) positive locally advanced or metastatic breast cancer with disease progression after prior hormonal therapy.
This study is designed to provide necessary information on safety and dose response of BN83495, when given by repeated once daily oral administration, while achieving a maximal STS inhibition and a maximal reduction in plasma oestradiol (E2) and adiol levels. The data obtained will be used to plan further clinical studies.
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- Female
- 接受健康志愿者
- 否
入选标准
- •Women over the age of 18 whose disease progressed after the first line of hormonal therapy for advanced or metastatic breast cancer.
- •Patients with no more than two prior hormonotherapy settings defined as adjuvant and first line of hormonotherapy Or - two lines of hormonotherapy given for advanced or metastatic disease
- •Patients with prior adjuvant hormonal therapy who relapse after 12 months of adjuvant treatment.
- •Patients with no more than two prior chemotherapy treatments defined as adjuvant and first line of chemotherapy Or two lines of chemotherapy given for advanced or metastatic disease Patients with no more than one prior therapy for Her2 positive breast cancer
- •Postmenopausal women, defined as: i) no spontaneous menses for a total of 2 years, ii) amenorrheic for at least 12 months with serum oestrogen level <30 pg/mL, and both LH/FSH >20 IU/L, chemotherapy-induced amenorrhea for at least 12 months, iii) bilateral oophorectomy, or radiation castration and amenorrheic for at least 3 months.
- •Histologically or cytologically confirmed breast cancer.
- •Laboratory documentation of ER-positive and/or progesterone receptor(PR) positive status.
- •ECOG performance status ≤
- •Adequate bone marrow function as determined by:
- •Haemoglobin >10 g/dL,Neutrophil count of >1.5 x 109 per litre, Platelet count of >75 x 109 per litre
- •Satisfactory hepatic function as measured by: serum bilirubin <1.5 ULN and either ALT or AST <2.5 x ULN (<5 x ULN in the presence of liver metastases). Alkaline phosphatase <2.5 ULN in the absence of liver metastases or <5 x ULN in the presence of liver or bone metastases.
- •Satisfactory renal function as measured by either a serum creatinine value of <1.5 x ULN or a creatinine clearance ≥60 mL/min.
- •Life expectancy of at least 12 weeks.
- •Patients with measurable or non-measurable lesions (RECIST criteria)
- •Patients included after the Optimal Biological Dose (OBD) is defined must have measurable lesion (RECIST criteria).
排除标准
- •Patients with progressive central nervous system metastases.
- •Patients with inflammatory breast cancer.
- •Patients with a marked baseline prolongation of QTc interval (e.g., repeated demonstration of a QTcf interval >450 ms).
- •Patients with a history of additional risk factors for TdP (e.g., heart failure, hypokalemia, family history of Long QT Syndrome).
- •Patients taking concomitant medications that are known to prolong the QTc interval (e.g., antihistamines, quinolones, antipsychotics etc).
- •Patients with pre-existing cardiac failure (American Heart Association Grade 3 or 4) or a myocardial infarction within the six months prior to the start of the study.
- •Patients with systolic and diastolic blood pressure below 100 and 60 mmHg respectively.
- •Patients with uncontrolled abnormalities of serum potassium, sodium, calcium or magnesium levels.
- •Patients with a coexisting significant disease or systemic infection.
- •Patients with uncontrolled diabetes (applicable only for the additional six patients included after the OBD is defined).
- •Patients who have malabsorption.
- •Patients who started biphosphonates therapy within 4 weeks prior to start of this study
- •Patients who are taking drugs that inhibit the carbonic anhydrase II (CAII) (e.g. acetazolamide, brinzolamide, dichlorphenamide, dorzolamide, methazolamide).
- •Patients who are taking coumarin like drugs (vitamin K antagonists).
- •Patients who are incapable of giving informed consent or complying with the protocol.
- •Patients who have received previous investigational therapies must have stopped those therapies for at least 4 weeks before treatment with BN
- •Patients who have received previous therapy for this cancer within less than 1 month of entry in the study and/or who have received trastuzumab within less than 4 months of entry in the study, and/or fulvestrant within less than 2 months of entry.
- •Patients who have a history of hypersensitivity to the IMP or drugs with a similar chemical structure.
- •Patients who have a history of, or known current, problems with alcohol abuse.
- •Patients who have any mental condition rendering the patients unable to understand the nature, scope and possible consequences of the study, and/or evidence of an uncooperative attitude.
- •Patients who have abnormal baseline findings, any other medical condition or laboratory findings that, in the opinion of the Investigator, might jeopardise the patients' safety or decrease the chance of obtaining satisfactory data needed to achieve the objectives of the study
研究组 & 干预措施
Irosustat (BN83495)
Experimental
Single oral administration of irosustat
干预措施: Irosustat (BN83495) (Drug)
结局指标
主要结局
Change in percentage of steroid sulphatase (STS) inhibition in circulating Peripheral Blood Mononuclear Cells (PBMCs) after repeated daily therapy
时间窗: Days 15 and 36
The combined evaluation of ≥95% STS inhibition in PBMCs relative to Baseline after 7 and 28 days (Day 15 and Day 36,respectively) of continuous treatment and reduction in plasma E2 and adiol levels after 28 days of repeated daily administration, to determine the optimal biological dose (OBD) of irosustat.
次要结局
- Percentage of steroid sulphatase (STS) inhibition in circulating Peripheral Blood Mononuclear Cells (PBMCs) after a single dose(Day 8)
研究者
研究点 (5)
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