NCT07462130尚未招募1 期
A Phase Ib/II, Efficacy and Safety Study of NTB003 in Participants With Thyroid Eye Disease (TED)
Nanjing Chia-tai Tianqing Pharmaceutical0 个研究点目标入组 74 人开始时间: 2026年3月1日最近更新:
适应症
干预措施
试验速览
- 阶段
- 1 期
- 状态
- 尚未招募
- 发起方
- 入组人数
- 74
- 主要终点
- Proptosis Responder Rate in the study eye
研究概览
简要总结
Multicentre, Phase Ib/II Clinical Study to Evaluate the Safety, Pharmacokinetics, Pharmacodynamics, and Efficacy of NTB003 in Participants with Thyroid Eye Disease
研究设计
- 研究类型
- Interventional
- 分配方式
- Non Randomized
- 干预模型
- Sequential
- 主要目的
- Treatment
- 盲法
- None
盲法说明
Phase Ib Clinical Study was open label Phase II Clinical Study was double-masked, placebo-controlled
入排标准
- 年龄范围
- 18 Years 至 75 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •1. Male or female subjects aged 18-75 years who have signed informed consent. 2.Body weight between 40 kg and 100 kg. 3.Clinical diagnosis of thyroid eye disease (TED): Active thyroid eye disease (TED): at least one eye with a CAS ≥ 3 and proptosis ≥ 3 mm above the upper limit of normal in that eye, and the subject's first onset of TED ocular signs/symptoms (by subject report or medical records) occurred within 1 year prior to first study drug administration; Chronic Thyroid Eye Disease (TED) : bilateral CAS < 3, and the first onset of TED ocular signs/symptoms (by subject report or medical records) occurred > 12 months prior to first study drug administration.
- •4.Subjects clinically graded as having moderate-to-severe TED per the European Group on Graves' Orbitopathy (EUGOGO) classification at screening and baseline, typically accompanied by proptosis ≥ 3 mm above the upper limit of normal (normal range 12-16 mm). In addition, subjects should have one or more of the following features: eyelid retraction ≥ 2 mm, moderate or severe soft-tissue involvement, or intermittent/persistent diplopia.
- •5.Do not require immediate ophthalmic surgical intervention and no corrective surgery or orbital radiotherapy is planned during the study.
- •6.Euthyroid with underlying thyroid disease controlled, or mild hypothyroidism or hyperthyroidism (defined as screening free triiodothyronine [FT3] and free thyroxine [FT4] levels < 50% above or below the normal limits).
- •7.Subjects of childbearing potential must agree to use effective contraception during the trial and for at least 6 months after the last dose. Acceptable methods include complete abstinence, barrier contraception (e.g., condom), tubal ligation, intrauterine device, hormonal contraception (oral contraceptives, injections, transdermal patch, vaginal ring, or implant), or partner vasectomy.
- •8.Female subjects of childbearing potential must have a negative pregnancy test within 7 days prior to first study drug administration and must not be breastfeeding.
排除标准
- •1. A reduction of ≥2 points in the CAS value or a reduction of ≥2 mm in proptosis in the study eye from the screening assessment period to study baseline period.
- •2.Within 6 months prior to screening, decrease in best corrected visual acuity (BCVA) attributable to TED optic neuropathy, defined as a loss of two lines of acuity, new visual field defect, or color vision defect secondary to optic nerve involvement.
- •3.Corneal abnormalities that, in the investigator's opinion, could affect efficacy assessments.
- •4.Prior or planned orbital radiotherapy or ocular surgery for TED, including orbital decompression, strabismus surgery, eyelid surgery, or similar procedures.
- •5.History of clinically significant hearing impairment, or abnormal pure-tone audiometry at screening.
- •6.History of inflammatory bowel disease, or clinically suspected inflammatory bowel disease (e.g., unexplained diarrhea with or without blood or rectal bleeding plus abdominal pain or cramping for >4 weeks; endoscopic or imaging evidence of enteritis/colitis without other explanation).
- •7.Prior treatment with IGF-1 or IGF-1R-related agents. 8.Poorly controlled diabetes at screening. 9.Poorly controlled hypertension at screening. 10.AST or ALT > 3×ULN; or serum creatinine > 1.5×ULN; or platelet count < 100 × 10^9/L; or neutrophil count < 2.0 × 10^9/L at screening:.
- •11.Active hepatitis, defined as HBsAg positive with detectable HBV DNA above the local laboratory's lower limit of detection; or HCV antibody positive.
- •12.History of HIV infection or positive HIV antibody test. 13.Any active or suspected bacterial, viral, or fungal infection (e.g., severe common cold, viral syndrome, influenza-like illness) requiring intravenous antimicrobial therapy within 4 weeks prior to first dose.
- •14.Receipt of, or planned receipt during the study of, live or live-attenuated vaccines within 4 weeks prior to first dose.
- •15.Use of selenium, biotin, or traditional Chinese medicine therapies for TED (e.g., triptolide-containing compounds, Epimedium, polygonum cuspidatum, lotus seed heart, acupuncture, etc.) within 3 weeks prior to first dose or planned use during the study; combination multivitamins containing selenium and/or vitamins are permitted.
- •16.Use of oral or intravenous systemic glucocorticoids for any reason within 4 weeks prior to first dose; or topical ophthalmic glucocorticoid eye drops/ointments for TED within 7 days prior to first dose. Use of topical glucocorticoids for non-TED indications (e.g., dermatologic conditions) before or during the study is allowed.
- •17.Use of oral or intravenous nonsteroidal immunosuppressants for TED (e.g., mycophenolate mofetil, cyclosporine, methotrexate, azathioprine, etc.) within 4 weeks prior to first dose; or topical ophthalmic nonsteroidal immunosuppressant eye drops for TED within 7 days prior to first dose.
- •18.Periocular/orbital steroid injection within 3 months prior to first dose. 19.Treatment with anti-CD20 antibodies, interleukin-6 antibodies, or other biologic agents for TED within 3 months prior to first dose.
- •20.Botulinum toxin (or other chemical denervation agents) treatment for TED within 3 months prior to first dose.
- •21.Participation in another interventional clinical trial within 3 months prior to first dose.
- •22.Known or suspected allergy to the investigational product or any of its components, or prior history of hypersensitivity to other antibody drugs.
- •23.Any prior or concomitant disease or condition that, in the investigator's judgment, may interfere with trial compliance or affect evaluation of trial results (e.g., psychiatric disorders, recent acute cardiovascular or cerebrovascular events, history of treated or untreated malignancy within 5 years), or any other condition deemed by the investigator to make the subject unsuitable for participation.
研究组 & 干预措施
Cohort 1
Experimental
Ib study ： NTB003 dose 1
干预措施: NTB003 (Drug)
Cohort 2
Experimental
Ib study ：NTB003 dose 2
干预措施: NTB003 (Drug)
Cohort 3
Experimental
Ib study ：NTB003 dose 3
干预措施: NTB003 (Drug)
Cohort 4
Experimental
II study ：SC injection of dose of NTB003 or placebo
干预措施: NTB003 and Placebo (Drug)
结局指标
主要结局
Proptosis Responder Rate in the study eye
时间窗: Week 12
Proptosis Responder Rate in the study eye (i.e., reduction of proptosis of ≥ 2 mm from baseline \[without a corresponding increase of ≥ 2 mm in the fellow eye\] as measured by exophthalmometer)
次要结局
- Change from baseline in proptosis in the study eye(Baseline, up to Week 24)
- Change from baseline in CAS(Baseline, up to Week 24)
- Overall Responder Rate(up to Week 24)
- Diplopia response rate(up to Week 24)
- Diplopia Resolution Rate(up to Week 24)
- Change in Quality of Life (GO-QOL) Scores(up to Week 24)
- Pharmacokinetic parameters: Cmax(Up to Week 32)
- Pharmacodynamic for NTB003：Summarize IGF-1 measurements at baseline and at each post-dose time point, and compile the changes at each time point relative to baseline.(Up to Week 32)
- Anti-NTB003 antibody (ADA) incidence(Up to Week 32)
- Pharmacokinetic parameters: AUC(up to 32 Week)
研究者
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