A Phase I safety & immunogenicity study of an HPV16-specific therapeutic protein, TA-CIN, administered intratumorally with chemoradiation in patients with cervical cancer stratified by HPV16 infection
A阶段I安全性
基本信息
- 批准号:10480798
- 负责人:
- 金额:$ 36.28万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2003
- 资助国家:美国
- 起止时间:2003-09-30 至 2024-08-31
- 项目状态:已结题
- 来源:
- 关键词:AffectAntigen PresentationAntigen-Presenting CellsAntigensApoptoticBedsCD8-Positive T-LymphocytesCancer PatientCarcinomaCell DeathChimeric ProteinsCisplatinClinicalClinical TrialsComplementDataDendritic CellsDiseaseDistalFormulationFundingGoalsHuman Papilloma Virus-Related Malignant NeoplasmHuman PapillomavirusHuman papilloma virus infectionHuman papillomavirus 16Immune responseImmunityImmunotherapeutic agentImmunotherapyInfectionInjectionsIntramuscularLeadLesionMalignant neoplasm of cervix uteriMediatingModelingPatient-Focused OutcomesPatientsPeptidesPharmaceutical PreparationsPhasePhenotypePopulationPre-Clinical ModelProteinsRadiation therapySafetySecondary PreventionSiteStromal CellsSumT-LymphocyteTherapeuticToxic effectTumor AntigensTumor-infiltrating immune cellsVaccinatedVaccinationVaccine TherapyVaccinesVial deviceViral Load resultadaptive immune responseanti-PD1 antibodiesantitumor effectcell mediated immune responsecervical cancer preventioncervicovaginalchemoradiationchemotherapyimmune checkpoint blockadeimmunogenicityimprovedimproved outcomeinnovationmouse modelneoplastic cellnovelpembrolizumabphase I trialpreclinical studyprogrammed cell death ligand 1programmed cell death protein 1standard carestandard of caresuccesstherapeutic HPV vaccinetherapeutic proteintranslational potentialtreatment responsetreatment strategytumortumor microenvironmentuptakevaccine trial
项目摘要
Project Summary/Abstract: The current standard-of-care for stage IIB-IVA cervical cancer includes the
chemotherapeutic drug, cisplatin, in conjunction with local radiotherapy. However, the five-year survival in most
stage IIB-IVA cervical cancer patients is ~30%, suggesting that an additional treatment strategy (e.g.
immunotherapy) is needed to improve patient outcomes. We recently found that chemotherapy with cisplatin or
radiotherapy induce a transient accumulation of dendritic cells in tumor loci that creates a window-of-opportunity
wherein intratumoral (i.t.) protein/peptide antigen administration can effectively prime and expand local tumor
antigen-specific CD8+ T cells, leading to synergistic therapeutic antitumor effects. Furthermore, this combination
treatment leads to the presentation of antigenic peptide by immunosuppressive stromal cells of the tumor, which
are thus rendered susceptible to antigen-specific CD8+ T cell-mediated killing. Together, this results in potent
antigen-specific CD8+ T cell immune responses and antitumor effects. TA-CIN is a tandem fusion protein
composed of HPV16 L2-E7-E6 and is administered as a filterable aggregrate to promote uptake by antigen-
presenting cells. Because cervical cancer is accessible to injection and concurrent chemoradiation serves as the
standard care for stage IIB-IVA cervical cancer, we will vaccinate stage IIB-IVA cervical cancer patients with TA-
CIN i.t. during their chemoradiotherapy. Several clinical trials indicate that TA-CIN has an outstanding safety
profile. With the recent approval of an anti-PD-1 antibody, Pembrolizumab, to treat advanced cervical cancer,
we will evaluate i.t. TA-CIN vaccination with concomitant immune checkpoint blockade therapy to achieve
enhanced immune and therapeutic responses in a novel spontaneous cervicovaginal carcinoma preclinical
model. The Specific Aims of this study are to (1) evaluate the safety of TA-CIN i.t. administration during
chemoradiation in patients with stage IIB-IVA HPV16(+) or HPV16(–) cervical cancer;; (2) characterize HPV16
E6/E7-specific T cell-mediated and L2-specific humoral immune responses in stage IIB-IVA cervical cancer
patients i.t. vaccinated with TA-CIN;; (3) determine the subset population of immune cells infiltrating the tumor
bed, local expression of PD-1 and PD-L1, and apoptotic tumor cell death in HPV16-associated stage IIB-IVA
cervical cancer patients receiving i.t. TA-CIN vaccination;; and (4) characterize the HPV16(+) antigen-specific
CD8+ T cell-mediated immune responses and therapeutic antitumor effects in a spontaneous HPV16 E6/E7-
expressing cervicovaginal carcinoma model treated with i.t. TA-CIN vaccination with or without checkpoint
blockade treatment. In sum, this proposal exploits the temporally-permissive tumor microenvironment induced
by chemoradiation and the availability of clinical-grade TA-CIN to potentially enhance HPV-specific immunity and
antitumor effects in stage IIB-IVA cervical cancer patients. This may lead to a safe new immunotherapy to
complement chemoradiation, which not only benefits cervical cancer patients, but may also be effective against
other HPV-associated malignancies.
项目概要/摘要:目前IIB-IIIVA期宫颈癌的标准全过程护理包括:
化疗药物顺铂与局部放疗联合使用。然而,大多数患者的五年生存率
IIB-IIIVA期宫颈癌患者约为30%,这表明额外的治疗策略(例如,
我们最近发现,用顺铂或免疫疗法进行化疗,
放射治疗诱导树突状细胞在肿瘤部位短暂聚集,这创造了一个治疗机会窗口
其中瘤内(i.t.) 蛋白质/肽抗原施用可有效地引发和扩大局部肿瘤
这种组合可以诱导抗原特异性CD 8 + T细胞,导致协同治疗性抗肿瘤作用。
治疗导致肿瘤的免疫抑制基质细胞呈递抗原肽,
因此对抗原特异性CD 8 + T细胞介导的杀伤敏感。
TA-CIN是一种串联的融合蛋白,具有抗原特异性的CD 8 + T细胞免疫应答和抗肿瘤作用
由HPV 16 L2-HPV 7-HPV 6组成,并作为可过滤的聚集体给药,以促进抗原结合蛋白的摄取。
由于宫颈癌可以注射,同时放化疗是治疗宫颈癌的有效方法。
对于IIB-18 IVA期宫颈癌的标准治疗,我们将为IIB-18 IVA期宫颈癌患者接种TA-B1疫苗,
几项临床试验表明,TA-CIN具有突出的安全性,
概况。随着抗PD-L1抗体Pembrolizumab最近被批准用于治疗晚期宫颈癌,
我们将评估i.t. TA-CIN疫苗接种与伴随的免疫检查点阻断疗法,
一种新的自发性宫颈阴道癌临床前的免疫和治疗反应增强
本研究的具体目的是(1)评价TA-CIN i.t.给药期间的安全性。
IIB期-IIIVA期HPV 16(+)或HPV 16(-)宫颈癌患者的放化疗; HPV 16(2)表征
IIB-IVA期宫颈癌E6/E7-E10特异性T细胞介导和L2-E10特异性体液免疫应答的研究
用TA-CIN i.t.接种的患者;(3)确定浸润肿瘤的免疫细胞亚群
在HPV 16-HPV相关的IIB-HPV IVA期患者中,PD-101和PD-10 L1的局部表达以及凋亡性肿瘤细胞死亡
接受i.t. TA-CIN疫苗接种的宫颈癌患者;(4)表征HPV 16(+)抗原-特异性
CD 8 + T细胞介导的HPV 16 E6/E7-T细胞介导的免疫应答和治疗性抗肿瘤作用
用具有或不具有检查点的i.t. TA-CIN疫苗接种处理的表达宫颈阴道癌的模型
阻断治疗。总而言之,该提案利用了诱导的暂时不允许的肿瘤微环境,
通过化放疗和临床可获得的可用于增强HPV-A特异性免疫的临床可获得性TA-CIN,
对IIB-IVA期宫颈癌患者的抗肿瘤作用。这可能会带来一种安全的新免疫疗法,
补充放化疗,这不仅有利于宫颈癌患者,但也可能有效地对抗
其他HPV相关恶性肿瘤。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(16)
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{{ truncateString('TZYY-CHOOU WU', 18)}}的其他基金
Development of Novel Spontaneous HPV Cervicovaginal Carcinoma Models for Cancer Immunotherapy
用于癌症免疫治疗的新型自发性 HPV 宫颈阴道癌模型的开发
- 批准号:
10374864 - 财政年份:2019
- 资助金额:
$ 36.28万 - 项目类别:
Development of Novel Spontaneous HPV Cervicovaginal Carcinoma Models for Cancer Immunotherapy
用于癌症免疫治疗的新型自发性 HPV 宫颈阴道癌模型的开发
- 批准号:
10618787 - 财政年份:2019
- 资助金额:
$ 36.28万 - 项目类别:
Ovarian cancer gene therapy using HPV pseudovirion
使用 HPV 假病毒颗粒进行卵巢癌基因治疗
- 批准号:
9026581 - 财政年份:2014
- 资助金额:
$ 36.28万 - 项目类别:
(2/2) Howard University/Johns Hopkins Partnership in HPV-Related Cancer Research
(2/2) 霍华德大学/约翰·霍普金斯大学在 HPV 相关癌症研究方面的合作伙伴关系
- 批准号:
9330697 - 财政年份:2014
- 资助金额:
$ 36.28万 - 项目类别:
Upregulation of Nanog as an Innovative Mechanism for Cancer Drug Resistance.
Nanog 的上调作为癌症耐药性的创新机制。
- 批准号:
8827727 - 财政年份:2014
- 资助金额:
$ 36.28万 - 项目类别:
Ovarian cancer gene therapy using HPV pseudovirion
使用 HPV 假病毒颗粒进行卵巢癌基因治疗
- 批准号:
8840196 - 财政年份:2014
- 资助金额:
$ 36.28万 - 项目类别:
(2/2) Howard University/Johns Hopkins Partnership in HPV-Related Cancer Research
(2/2) 霍华德大学/约翰霍普金斯大学在 HPV 相关癌症研究方面的合作
- 批准号:
9137505 - 财政年份:2014
- 资助金额:
$ 36.28万 - 项目类别:
(2/2) Howard University/Johns Hopkins Partnership in HPV-Related Cancer Research
(2/2) 霍华德大学/约翰·霍普金斯大学在 HPV 相关癌症研究方面的合作伙伴关系
- 批准号:
8930942 - 财政年份:2014
- 资助金额:
$ 36.28万 - 项目类别:
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