NCT03478462进行中（未招募）1 期
An Open-Label, Dose Escalation, Efficacy, and Safety Study of CLR 131 in Children, Adolescents, and Young Adults With Select Solid Tumors, Lymphoma, and Malignant Brain Tumors
适应症
干预措施
相关药物
试验速览
- 阶段
- 1 期
- 状态
- 进行中（未招募）
- 入组人数
- 30
- 试验地点
- 8
- 主要终点
- Number of participants with dose limiting toxicities (DLT)
研究概览
简要总结
The study evaluates CLR 131 in children, adolescents, and young adults with relapsed or refractory malignant solid tumors and lymphoma and recurrent or refractory malignant brain tumors for which there are no standard treatment options with curative potential.
详细描述
Even with standard, highly toxic multimodality therapies and salvage regimen, most pediatric patients with primary metastatic or relapsed solid tumors are confronted with a poor prognosis. For these patients there is currently no accepted successful treatment regimen. There is a need for new drugs, including targeted radiopharmaceuticals, preferably with cancer-specific uptake and broad applicability for these rare pediatric malignancies.
CLR 131 is a radioiodinated therapeutic that exploits the selective uptake and retention of phospholipid ethers (PLEs) by malignant cells. Cellectar Biosciences' novel cancer-targeted small-molecule compound (CLR1404) is radiolabeled with the isotope iodine-131 (I-131). CLR 131 has demonstrated tumor selective uptake across numerous adult and pediatric cancer cell types. Therapeutic efficacy has been demonstrated in various pediatric and adult-type cancer xenograft models, confirming the ability of CLR 131 to target tumors.
Based on the critical unmet medical need for effective agents with novel mechanisms of action in relapsed pediatric cancers and initial preclinical and clinical experience with radioiodinated CLR1404, Cellectar Biosciences has chosen to assess CLR 131 in a phase 1 pediatric trial.
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
- 2 Years 至 25 Years（Child, Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •All Patients
- •Previously confirmed (histologically or cytologically) pediatric solid tumor (e.g., neuroblastoma, sarcoma), lymphoma (including Hodgkin's lymphoma), or malignant brain tumors that are clinically or radiographically suspected to be relapsed, refractory, or recurrent for which there are no standard treatment options with curative potential. Note: patients with diffuse intrinsic pontine glioma (DIPG) may enroll without histological or cytological confirmation.
- •≥ 2 years of age and ≤ 25 years of age at time of consent/assent
- •If ≥ age 16 years, Karnofsky performance status of ≥
- •If < age 16 years, Lansky performance status ≥ 60
- •Platelets ≥ 75,000/µL (last transfusion, if any, must be at least 1 week prior to study registration, and, unless deemed medically necessary, no transfusions are allowed between registration and dosing)
- •Absolute neutrophil count ≥ 750/µL
- •Hemoglobin ≥ 8 g/dL (last transfusion must be at least 1 week prior to study registration, and, unless deemed medically necessary, no transfusions are allowed between registration and dosing)
- •Using the bedside Schwartz formula, estimated GFR (creatinine clearance) > 60 ml/min/1.73m2
- •Alanine aminotransferase < 3 × ULN
- •Bilirubin < 2 × ULN
- •Patients who have undergone autologous or allogeneic bone marrow transplant must be at least 3 months from transplant.
- •Patients enrolling at total dose levels > 30 millicurie (mCi)/m2 must have availability or ability to collect an autologous hematopoietic stem cell back-up product prior to CLR 131 administration. At minimum, 2 x 10^6/kg cryopreserved CD34+ cells must be available.
- •Patient or his or her legal representative is judged by the Investigator to have the initiative and means to be compliant with the protocol.
- •Patients with Pediatric Solid Tumor or Lymphoma
- •At least 1 measurable lesion with longest diameter of at least 10 mm. Patients with a lesion(s) that are determined to be Metaiodobenzylguanidine (MIBG) or positron emission tomography (PET) positive may be enrolled at the investigator's discretion, even if not associated with a measurable lesion of at least 10 mm. Patients with neuroblastoma who have detectable disease may enroll provided they meet the requirements of the International Neuroblastoma Response Criteria.
- •Patients with known brain metastases must have completed any radiotherapy or systemic treatments for brain metastases prior to enrollment; by investigator assessment be considered stable with no new signs or symptoms for at least 1 month, and on a stable dose of steroids (unchanged for three weeks prior to registration or on a steroid tapering regimen).
- •Patients with Recurrent or Refractory Brain Tumors
- •At least 1 measurable lesion with longest diameter of at least 10 mm on any imaging sequence.
- •Patients with previously known neurological deficits must be clinically stable at time of enrollment and able to complete all study related procedures. Patients with documented or newly diagnosed neurological deficits will be enrolled at the investigator's discretion.
- •If patient receives steroids for neurological symptom control, the dose must be stable (unchanged for three weeks prior to registration) or on a steroid tapering regimen. Initiation of steroids per routine care immediately prior to CLR 131 dosing is acceptable.
排除标准
- •Patients receiving active treatment for central nervous system metastases or those that are likely to require active treatment during anticipated participation in this trial. Patients with stable brain metastases treated with steroids may enroll at the investigator's discretion
- •For solid tumor and lymphoma patients only, central nervous system involvement unless previously treated with surgery, systemic therapy, or radiotherapy with the patient neurologically stable. Patients with metastatic brain tumors that have been previously treated are allowed, provided the patient is neurologically stable (determined at the investigator's discretion).
- •Antitumor therapy or investigational therapy, within 2 weeks of dosing. For certain types of radiation (craniospinal, total abdominal, whole lung [spot irradiation to skull-based metastases is not considered craniospinal radiation for the purposes of this study]), at least 3 months must have elapsed. No washout is required for palliative focal radiation. NOTE: Patients participating in non-interventional clinical trials (i.e., non-drug) are allowed to participate in this trial
- •Patients previously treated with iodine-131 (131I)-MIBG who have already received a cumulative I-131 dose > 54 mCi/kg or who would exceed 54 mCi/kg by participating in this trial, are not eligible.
研究组 & 干预措施
CLR 131
Experimental
CLR 131 intravenous administration
干预措施: CLR 131 (Drug)
结局指标
主要结局
Number of participants with dose limiting toxicities (DLT)
时间窗: up to 64 days
DLT will be assessed by physical examination, vital signs, and laboratory values
次要结局
- Identification of recommended phase 2 dose of CLR 131 in children, adolescents, and young adults(until non-tolerated dose is defined; dose escalation decision made upon review of data from a complete cohort (85 days after all subjects in cohort have received infusion))
- Determination of preliminary antitumor activity of CLR 131 in children, adolescents, and young adults(through Day 85)
- Determination of therapeutic activity of CLR 131 in children, adolescents, and young adults(up to 22 days post initial infusion)
- Determination of event free survival following CLR 131 infusion in children, adolescents, and young adults(1 month to 5 years)
- Determination of overall survival following CLR 131 infusion in children, adolescents, and young adults(1 month to 5 years)
- Determine dosimetry of CLR 131 in children, adolescents, and young adults(up to 15 days post initial infusion)
研究者
研究点 (8)
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