← 返回临床试验

PRAME 靶向 TCR 修饰 NK 细胞联合淋巴细胞清除化疗治疗复发/难治性髓系恶性肿瘤:I/II 期研究

英文原题:Phase I/II Study of Engineered T Cell Receptor-Modified NK Cells Targeting PRAME in Conjunction With Lymphodepleting Chemotherapy for the Management of Relapse/Refractory Myeloid Malignancies

ClinicalTrials.gov 2024/04/25(首次登记) I/II 期注册临床试验 · 招募中

简要介绍

这是一项 I/II 期注册临床试验,评估细胞治疗用于淋巴细胞清除化疗、髓系恶性肿瘤的安全性、可行性及初步疗效。当前状态:招募中。计划入组 44 例。试验地点:美国 · 休斯顿(共 1 个中心)。登记号:NCT06383572。

入组条件决定能不能参加

不限性别 · ≥ 18 Years 且 ≤ 80 Years

纳入标准:
1. 年龄18至80岁;英语或非英语患者均可参加。
2. 患有以下血液系统恶性肿瘤之一:AML、MDS/慢性粒单核细胞白血病(CMML)。患者须符合相应疾病的具体入组标准(见下文)。
3. 开始淋巴清除化疗时,距末次细胞毒性化疗至少7天;但AML患者可使用羟基脲控制外周血细胞计数至淋巴清除化疗给药前一天。酪氨酸激酶抑制剂或其他靶向治疗可继续使用至淋巴清除化疗前3天。
4. 输注前可对一个或多个病灶进行局部放疗,但须另有未接受照射的病灶用于评估疗效。
5. Karnofsky体能状态评分(KPS)>50%。
6. 器官功能充分,具体见第7至10项。
7. 肾功能:血清肌酐≤2.0 mg/dL,并按CKD-EPI公式估算肾小球滤过率(eGFR):GFR=141×[min(Scr/k,1)]^a×[max(Scr/k,1)]^-1.209×年龄^-0.993×[女性系数1.018]×[黑人系数1.157](女性a=0.329,男性a=0.411;min和max分别表示Scr/k与1中的较小值和较大值)。
8. 肝功能:ALT/AST≤正常值上限(ULN)的2.5倍;如有肝转移,≤5倍。总胆红素≤1.5 mg/dL;Gilbert综合征患者≤3.0 mg/dL。无肝硬化病史或腹水。
9. 心脏功能:心脏射血分数≥40%;超声心动图或多门控采集(MUGA)检查无有临床意义的心包积液,且无未控制的心律失常或有症状的心脏病。
10. 肺功能:无有临床意义的胸腔积液(由主要研究者判断);室内空气下基线血氧饱和度>92%;FEV1、FVC及经血红蛋白校正的DLCO均>50%。
11. 能够提供书面知情同意。
12. 具备生育能力的受试者须在研究期间及研究治疗结束后3个月内采取有效避孕措施。女性可采用激素避孕、宫内节育器、含杀精剂的隔膜或避孕套,或禁欲。若怀孕或怀疑怀孕,须立即告知医生;研究期间怀孕者将退出研究。可接受的避孕方式包括激素避孕(如避孕药、注射剂、植入剂、经皮贴剂、阴道环)、宫内节育器、输卵管结扎或子宫切除、受试者或伴侣输精管结扎、植入或注射避孕剂,以及避孕套联合杀精剂。整个试验期间及药物洗脱期内不进行性活动亦可接受;间歇禁欲、安全期避孕及体外排精不可接受。女性受试者或其伴侣参加研究期间,如受试者怀孕或疑似怀孕,应立即告知主治医生。
13. 参加本方案治疗或入组的男性须同意在研究前、研究期间及研究药物给药结束后4个月内采取充分避孕措施,例如本人输精管结扎、伴侣使用植入或注射避孕剂,以及使用避孕套联合杀精剂。具备生育能力的男性须在研究期间有效避孕;如受试者在研究期间使伴侣怀孕或怀疑已使伴侣怀孕,须立即告知医生。
14. 签署PA17-0483长期随访方案的知情同意书,以履行机构对相关监管部门的责任。
15. 经主要研究者评估,预期寿命≥3个月。
16. HLA分型为HLA-A*02:01阳性。
17. 患有以下疾病之一:

急性髓系白血病(AML),符合以下之一:
- 活动性(原始细胞>5%,或多参数流式细胞术检测的微小残留病灶〔MRD〕>0.1%)复发或难治性AML,且既往至少接受过两线治疗。其中至少一线须包含去甲基化药物和维奈克拉。对于存在FDA已批准靶向治疗(如FLT3靶向药)的突变者,还须至少接受过一种相应药物。急性早幼粒细胞白血病患者不符合条件。异基因造血干细胞移植后复发者,不受移植前接受治疗的线数及类型限制。
- 复发AML指首次达到完全缓解(CR)后疾病复发;难治性AML指标准诱导化疗2个周期后仍未达到CR。
- 判断患者资格时,既往治疗可计入相关继发疾病的治疗史。例如,曾因MDS接受去甲基化药物和维奈克拉治疗者,为治疗继发AML无需再次接受这两种药物;曾因MDS或骨髓增殖性疾病(MPD)接受两线治疗者,为治疗AML无需再额外接受两线治疗。异基因造血干细胞移植后复发者,不受移植前治疗线数和类型限制。

骨髓增生异常综合征(MDS)/慢性粒单核细胞白血病(CMML),符合以下之一:
1. 高危或中危MDS/CMML,既往至少接受两线治疗,且多参数流式细胞术检测MRD>0.1%,或未达到形态学缓解;或
2. 至少接受两线治疗后复发的高危或中危MDS/CMML。复发定义为多参数流式细胞术检测MRD>0.1%,或形态学缓解丧失;或
3. 难治性CMML,即接受4个周期去甲基化药物治疗后仍未达到完全缓解,或接受任意周期治疗后复发或进展;或
4. 异基因造血干细胞移植后复发的MDS/CMML,不受移植前治疗线数和类型限制。

排除标准:
1. 有生育能力的女性β-HCG阳性(定义为未绝经满24个月且未接受手术绝育),或处于哺乳期。
2. 既往治疗引起有临床意义的≥3级毒性(由主要研究者判断)。
3. 存在未能通过适当治疗控制的真菌、细菌、病毒或其他感染。
4. 已知活动性乙型或丙型肝炎。
5. 已知HIV感染且病毒载量可检出。
6. 存在活动性神经系统疾病。
7. 入组前12个月内有活动性自身免疫性疾病。
8. 恶性肿瘤累及脑或脑膜且处于活动期。
9. 活动性(需治疗的)急性或慢性移植物抗宿主病(GVHD)。
10. 任何其他已知活动性恶性肿瘤,但已治疗的宫颈上皮内瘤变和非黑色素瘤皮肤癌除外。
11. 研究者判断存在可能危及患者的其他严重疾病。
12. 首次预处理化疗前4周内接受过重大手术。
13. 首次预处理化疗前12周内接受过异基因造血干细胞移植(SCT)或供者淋巴细胞输注(DLI)。
14. 同时使用其他研究性药物。
15. 同时使用其他抗癌药物。
16. 入组时正在接受全身性类固醇治疗(主要研究者评估允许生理替代剂量);或入组前14天内接受过抗胸腺细胞球蛋白或淋巴细胞免疫球蛋白,或前28天内接受过阿仑单抗。
17. 正在接受类固醇、钙调神经磷酸酶抑制剂等免疫抑制治疗。

淋巴清除化疗前标准:
开始淋巴清除化疗前72小时内,受试者须符合以下标准:
1. 无未控制的活动性全身感染。除研究者认为属于肿瘤热外,停用退热药后至少48小时无发热。
2. 无既往治疗引起的有临床意义的≥3级毒性(由主要研究者判断)。
3. 不得接受超过生理剂量的全身性类固醇(治疗方案规定第-10至-6天口服地塞米松25 mg/m²除外)或钙调神经磷酸酶抑制剂。
4. 开始淋巴清除化疗时距末次细胞毒性化疗至少7天;但AML患者可用羟基脲控制外周血细胞计数至给药前一天。
5. 酪氨酸激酶抑制剂或其他靶向治疗可继续至淋巴清除化疗前3天。

NK细胞输注前标准:
第0天NK细胞输注前,受试者须符合以下输注标准:
1. 无活动且未控制的全身感染。除研究者认为属于肿瘤热外,停用退热药后至少48小时无发热。
2. 无心力衰竭临床表现。
3. 血氧饱和度(SpO2)>92%。
4. 无研究者认为可能影响患者安全的其他持续性疾病。
5. AML/MDS无快速进展。
6. 能够在细胞输注前至少24小时停止所有类固醇治疗。
核对登记原文(英文)
Inclusion Criteria:

1. 18- 80 years of age. English and non-English speaking patients are eligible.
2. Patients with one of the following hematological malignances: AML, MDS/CMML. Patients must meet disease specific eligibility criteria (see below)
3. Patients at least 7 days from last cytotoxic chemotherapy at the time of starting lymphodepleting chemotherapy, except for Hydroxyurea which is allowed for peripheral blood count control in AML patients until the day prior to administration of lymphodepleting chemotherapy. Patients may continue tyrosine kinase inhibitors or other targeted therapies until up to three days prior to administration of lymphodepleting chemotherapy.
4. Localized radiotherapy to one or more disease sites is allowed prior the infusion provided that there are additional disease sites that are not irradiated to assess response.
5. Karnofsky Performance Scale \> 50%.
6. Adequate organ function: as described in 7-10
7. Renal: Serum creatinine \</= 2.0 mg/dL and estimated Glomerular Filtration Rate (eGFR using the CKD-EPI equation).GFR = 141 x \[min(Scr/k), 1)a x max (Scr/k), 1) -1.209\] x Age-0.993 x 1.018 \[if female\] x \[ 1.157 if Black\] (a is 0.329 for females and 0.411 for males; min indicates minimum of Scr/k or 1, and max indicates maximum of Scr/k or 1)
8. Hepatic: ALT/AST \</= 2.5 x ULN or \</= 5 x ULN if documented liver metastases, Total bilirubin \</= 1.5 mg/dL, except in subjects with Gilbert's Syndrome in whom total bilirubin must be \</= 3.0 mg/dL. No history of liver cirrhosis. No ascites.
9. Cardiac: Cardiac ejection fraction \>/= 40%, no clinically significant pericardial effusion as determined by an ECHO/MUGA, and no uncontrolled arrhythmias or symptomatic cardiac disease.
10. Pulmonary: No clinically significant pleural effusion (per PI discretion), baseline oxygen saturation \> 92% on room air and adequate pulmonary function with FEV1, FVC and DLCO (corrected for Hgb) \>50%.
11. Able to provide written informed consent.
12. All participants who are able to have children must practice effective birth control while on study and up to 3 months post completion of study therapy. Acceptable forms of birth control for female patients include: hormonal birth control, intrauterine device, diaphragm with spermicide, condom with spermicide, or abstinence, for the length of the study. If the participant is a female and becomes pregnant or suspects pregnancy, she must immediately notify her doctor. If the participant becomes pregnant during this study, she will be taken off this study.

    a. Approved methods of birth control are as follows: Hormonal contraception (i.e. birth control pills, injection, implant, transdermal patch, vaginal ring), Intrauterine device (IUD), Tubal Ligation or hysterectomy, Subject/Partner post vasectomy, Implantable or injectable contraceptives, and condoms plus spermicide. Not engaging in sexual activity for the total duration of the trial and the drug washout period is an acceptable practice; however periodic abstinence, the rhythm method, and the withdrawal method are not acceptable methods of birth control. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physicaian immediately.
13. Men treated or enrolled on this protocol must also agree to use adequate contraception, such as subject post vasectomy, partner with implantable or oninjectable contraceptives, and condoms plus spermicide, prior to the study, for the duration of study participation, and 4 months after completion of study agent administration. Men who are able to have children must use effective birth control while on the study. If the male participant fathers a child or suspects that he has fathered a child while on the study, he must immediately notify his doctor.
14. Signed consent to long-term follow-up protocol PA17-0483 to fulfill the institutional responsibilities to various regulatory agencies.
15. Life Expectancy \>=3 mo, by PI assessment
16. Patients are HLA-A\*02:01 positive on HLA typing.
17. Patients must have one of the following diseases:

Acute myeloid leukemia (AML): one of the following:

1\. Patients with active (\>5% of blasts or positive MRD at a level of \>0.1% measured by multiparameter flow cytometry) relapsed or refractory AML. Who have received at least two lines of therapy. One or more of the lines of therapy must include hypomethylating agents and venetoclax. Patients who have mutations for which there are FDA approved targeted therapies (i.e. FLT3) must also have received at least one of such agent. Patients with diagnosis of acute promyelocytic leukemia are not eligible. Patients who relapse after allogeneic stem cell transplantation are eligible irrespective of the number and type of therapy received prior transplant.

1. Relapsed AML is defined as patients who had a first complete remission (CR) before developing recurrent disease.
2. Refractory AML is defined as patients that have not achieved a CR after 2 cycles of standard induction chemotherapy.

OR determining the eligibility of the patient. For example, patients who received hypomethylating agents and venetoclax for the treatment of the MDS are not required to receive again hypomethylating agents and venetoclax to treat the secondary AML to be eligible. Similarly, patients who received two lines of therapy for the management of the MDS or MPD are not required to receive an additional two lines of therapy for the management of the AML to be eligible. Patients who relapse after allogeneic stem cell transplantation are eligible irrespective of the number and type of therapy received prior transplant.

Myelodysplastic syndromes (MDS)/Chronic myelomonocytic leukemia (CMML):one of the following:

1. Patients with high risk or intermediate risk MDS/CMML who have received at least two lines of therapy and have positive MRD at a level of \>0.1% measured by multiparameter flow cytometry or are not in morphological remission.

   OR
2. Patients with relapse high risk or intermediate risk MDS/CMML after at least 2 lines of therapy. Relapse is defined as positive MRD at a level of \>0.1% measured by multiparameter flow cytometry or loss of morphological remission.

   OR
3. CMML patients with refractory disease defined as failure to achieve complete remission after 4 therapy cycles of hypomethylating agent therapy or relapse or progression after any number of cycles of therapy.
4. Patients with MDS/CMML who relapse after allogeneic stem cell transplantation are eligible irrespective of the number and type of therapy received prior to transplant.

Exclusion Criteria:

1. Positive beta HCG in female of child-bearing potential defined as not postmenopausal for 24 months or no previous surgical sterilization or lactating females.
2. Presence of clinically significant Grade 3 or greater toxicity from the previous treatment, as determined by PI.
3. Presence of uncontrolled fungal, bacterial, viral, or other infection not responding to appropriate therapy.
4. Known active hepatitis B or C.
5. Known HIV with detectable viral load
6. Presence of active neurological disorder(s).
7. Active autoimmune disease within 12 months of enrollment
8. Active cerebral or meningeal involvement by the malignancy
9. Active (defined as requiring therapy) acute or chronic GVHD
10. Any other malignancy known to be active, except for treated cervical intra-epithelial neoplasia and non-melanoma skin cancer.
11. Presence of any other serious medical condition that may endanger the patient at investigator discretion.
12. Major surgery \<4 weeks prior to first dose of the preparatory chemotherapy
13. Allogeneic SCT or DLI \<12 weeks prior to first dose of preparatory chemotherapy
14. Concomitant use of other investigational agents.
15. Concomitant use of other anti-cancer agents.
16. Patients receiving systemic steroid therapy at time of enrollment (physiological substitutive doses deemed per PI assessment are allowed),or have received antithymocyte globulin or lymphocyte immune globulin within 14 days of enrollment or alemtuzumab within 28 days of enrollment.
17. Patients receiving immunosuppressive therapy such as steroids and calcineurin inhibitors.

Criteria to Receive Lymphodepletion Chemotherapy:

Within 72 hours prior to the start of Lymphodepletion chemotherapy, subjects must meet the eligibility criteria outlined below:

1. No uncontrolled active systemic infection. Subjects must be fever free for at least 48 hours without antipyretics unless the patient is felt to have tumor fever.
2. Absence of clinically significant Grade 3 or greater toxicity from the previous treatment, as determined by the Principal Investigator.
3. Patient should not be receiving systemic steroids above physiologic dosing (excluding dexamethasone 25mg/m\^2 PO as noted in the treatment plan from Day -10 through Day -6.) or calcineurin inhibitors.
4. Patients should be at least 7 days from last cytotoxic chemotherapy at the time of starting lymphodepleting chemotherapy, except for Hydroxyurea which is allowed for peripheral blood count control in AML patients until the day prior to administration of lymphodepleting chemotherapy.
5. Patients may continue tyrosine kinase inhibitors or other targeted therapies until up to three days prior to administration of lymphodepleting chemotherapy

Criteria Prior to NK Cell Infusion:

On Day 0, prior to the NK Cell infusion, subjects must meet the eligibility criteria for infusion outlined

1. No active and uncontrolled systemic infection. Subjects must be fever free for 48 hours without antipyretic unless patient is felt to have tumor fever.
2. No clinical signs of cardiac failure.
3. Oxygen saturation levels (SPO2) \>92%
4. No other ongoing medical condition that in the opinion of the investigator can affect patient's safety.
5. No rapidly progressing AML/MDS.
6. Patient must be able to be off of all steroid treatment within 24hrs of cell infusion.

以上为辅助阅读译文。是否适合入组须由主治医生判断,最终以登记平台与研究者确认为准。

研究终点衡量什么算有效

  • 主要终点安全性及不良事件(AE)研究结束时评估;平均约1年。
核对登记原文(英文)

主要终点:Safety and adverse events (AEs) · Incidence of Adverse Events, Graded According to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) Version (v) 5.0 · Through study completion; an average of 1 year.

研究设计怎么做的

研究类型
干预性研究
入组人数
44 人(预计)
分组方式
不适用(单臂)
  • I期(剂量递增与剂量扩展)试验组

    根据受试者入组时间分配NK细胞治疗剂量,最多评估4个剂量水平。首组受试者接受最低剂量;若未出现不可耐受的副作用,后续每组接受较前一组更高的剂量,直至确定NK细胞治疗的最高耐受剂量。

核对分组登记原文(英文)
  • Phase 1 (Dose Escalation and Dose Expansion) · EXPERIMENTAL · Participants will be assigned to a dose level of the NK cell treatment based on when you join this study. Up to 4 dose levels of the treatment will be tested. The first group of participants will receive the lowest dose level. Each new group will receive a higher dose than the group before it, if no intolerable side effects were seen. This will continue until the highest tolerable dose of the NK cell treatment is found.

关键日期

开始日期
2024-06-26
主要完成日期
2027-04-01
全部完成日期
2029-04-01
登记状态核实于
2026-06

联系与责任方

申办方
M.D. Anderson Cancer Center
联系邮箱
jlramdial@mdanderson.org
联系电话
(713) 745-0146

登记简述

本研究旨在确定PRAME-TCR-NK细胞的推荐剂量,以用于治疗急性髓系白血病(AML)或骨髓增生异常综合征(MDS)患者。

核对登记原文(英文)

To find a recommended dose of PRAME-TCR-NK cells that can be given to patients with AML or MDS.

登记原文与核验信息

试验登记号
NCT06383572
试验期别
I 期 / II 期
试验状态
招募中
试验中心
MD Anderson Cancer Center · 休斯顿 · 美国
适应症(原文)
Lymphodepleting Chemotherapy; Myeloid Malignancies
干预方式(原文)
Cyclophosphamide; Fludarabine phosphate; Decitabine; Dexamethasone