EUCTR2021-001081-38-SE进行中（未招募）1 期
Phase 2, Randomized, Double-Blind, Placebo-Controlled, Nested Single and Multiple Ascending Dose Study to Evaluate the Safety, Tolerability and Pharmacokinetics of ARCT-810 in Adolescent and Adult Participants with Ornithine Transcarbamylase Deficiency - Phase 2 nested single/multiple ascending dose study of ARCT-810 in Participants with OTC Deficiency
适应症
试验速览
- 阶段
- 1 期
- 状态
- 进行中（未招募）
- 入组人数
- 24
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional
入排标准
- 性别
- All
入选标准
- •1.Must have adequate cognitive ability, in the opinion of the Investigator, to understand the investigational nature of the study and study requirements, to recall symptoms over a 1-week time period, and to give informed consent. Must be willing and able to comply with all the protocol requirements (...). Adolescent participants (<18 years) must sign an assent form and their parent or legal representative must sign an informed consent form.
- •2.Males and females aged 12 to 65 years inclusive, at Screening.
- •3.Documented clinical diagnosis of OTC deficiency by biochemical testing (...) or enzymatic testing (...), and/or molecular testing. Confirmation with genetic testing should be documented or may be performed at screening, and should include OTC gene sequencing and deletion/duplication testing. However, a negative genotype is not exclusionary, as 10-15% of documented OTC deficiency cases lack identifiable mutations by routine molecular testing (Jang 2018). Also, participants should have a history of symptomatic hyperammonemia or plasma ammonia > ULN.
- •4.No hospitalizations for metabolic decompensation within 3 months and no more than 2 hospitalizations for metabolic decompensation within 12 months prior to the first dose of Study Drug, and no clinical symptoms of hyperammonemia within 1 month prior to signing informed consent.
- •5.If using nitrogen ammonia scavenger therapy, must be on a stable regimen (no change in dose or dose frequency) for = 28 days prior to signing informed consent.
- •6.Participant has, in the opinion of the Investigator, maintained a stable protein restricted diet (which may or may not include medical foods) and/or amino acid supplementation with no changes in calorie or protein goals and no changes in medical food and/or amino acid supplementation for at least 28 days prior to signing informed consent and participant is willing to remain on the same diet for the full duration of the study. Participants may have their diet adjusted for optimization by the study dietician at the Study Center during the screening period (Section 6.1).
- •7.Good general health, aside from OTC deficiency and its complications, as determined by no clinically significant abnormal findings on medical history (e.g., previous acute coronary syndrome within 6 months of Screening, or major surgery within 3 months of Screening), clinical laboratory test results (other than ammonia concentrations and other biomarkers), vital sign measurements, 12-lead ECG results, or physical examination at Screening that, in the opinion of the Investigator or Sponsor Medical monitor (or designee), would interfere with Study Drug administration, jeopardize the safety of the participant, or impact the validity of the study results. Screening plasma ammonia level should be within the participant’s historical range when clinically stable, in the judgment of the investigator.
- •8.BMI = 18.0 – 32.0 kg/m2, inclusive for adults, and >5th percentile for adolescents =12 to 17 years old.
- •9.Participants must refrain from strenuous exercise/activity (e.g., heavy lifting, weight training, intense aerobics classes etc.) and consuming alcohol for at least 72 hours prior to study visits.
- •10.Males are eligible to participate if they agree to the following requirements during the intervention period and for at least 60 days after the last dose of study drug, which corresponds to the time needed to minimize any potential reproductive safety risk of the study drug:(...)
- •11.Females are e
排除标准
- •1.Uncontrolled hypertension (Systolic BP > 160 and/or diastolic BP >100 mm Hg)
- •2.Any participant who develops symptoms of infection, including a temperature of 38.0 degrees Celsius (100.4 degrees Fahrenheit) or above during the screening period must be asymptomatic for at least 7 days prior to dosing on Day 1. Any participant who requires systemic antimicrobial treatment must have both discontinued antimicrobial therapy for at least 7 days and be symptom free for at least 7 days prior to dosing. The screening period may be extended, as necessary, for up to 14 days without need to repeat screening evaluations. In this instance the diet run-in period should also be extended. Participants who are not free of symptoms and/or antimicrobials for at least 7 days prior to Day 1 despite the aforementioned extension of the screening period may be rescreened once medication is complete, and their clinical condition is stable for at least 7 days.
- •3.Malignancy within 5 years, except for basal or squamous cell carcinoma of the skin or carcinoma in situ of the cervix that has been successfully treated. Participants with a history of other malignancies that have been treated with curative intent and which have no recurrence within 5 years may also be eligible if approved by the Sponsor medical monitor (or designee)
- •4.History of any OTC gene therapy, or history of liver-derived stem cell therapy in the past 3 years (recipients must demonstrate a return to baseline urea cycle activity according to the investigator).
- •5.History of any organ transplant or stem cell transplant.
- •6.History of severe allergic reaction (i.e., anaphylaxis, generalized urticaria, angioedema, or other significant reaction) to a liposomal or PEG containing product.
- •7.Abuse of medications, illicit drugs or alcohol within 1 year prior to screening, per the investigator.
- •8.Dependence on inhaled (smoked or vaped) or oral cannabis products, in the opinion of the investigator. Non-dependent cannabis users must agree to abstain from 2 days before each clinic visit through the time of the visit.
- •9.Blood donation of 50 to 499 mL within 30 days of Screening or of > 499 mL within 60 days of Screening
- •10.Screening laboratory results as follows, or any other clinically significant abnormalities in screening laboratory values that, in the opinion of the Investigator or Sponsor Medical Monitor (or designee) would render a participant unsuitable for inclusion:
- •ALT or AST > 2x ULN
- •Total bilirubin > 1.5 mg/dL, unless due to documented Gilbert's syndrome in which case total bilirubin must be <3 mg/dL
- •Platelet count < 100x109/L
- •Estimated glomerular filtration rate (eGFR) < 60 mL/min/1.73m2 calculated by Modification to Diet in Renal Disease [MDRD] study equation.
- •Abnormal thyroid function tests
- •Presence of human immunodeficiency virus antibody, hepatitis B surface antigen, or hepatitis C virus antibody (unless there is history of cure, in which case confirmatory RNA testing must be negative).
- •11.Diabetes that is not, in the opinion of the investigator, adequately controlled (...).
- •12.Clinically significant anemia (...)
- •13.Changes in maintenance therapies (...) within 28 days prior to Day 1. Participants who require a change in maintenance therapy may be rescreened once they have been on a stable regimen for = 28 days.
- •14.Treatment with oral or systemic corticosteroids within 28 days prior to Day 1 and prohibited during the study unless required to manage an IRR.
- •15.Treatment with an
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