Open-label, Randomized, 4-way Crossover, Monocentric, Controlled Study to Evaluate the Effect on Nitrogen Retention of Two Different Posology Schemes of PKU GOLIKE PLUS 3-16 and Free AAs in Patients With Phenylketonuria
试验速览
- 阶段
- 不适用
- 状态
- 终止
- 发起方
- 入组人数
- 5
- 试验地点
- 1
- 主要终点
- Difference of GOLIKE PLUS 3-16 versus free AAs in terms of nitrogen retention after one day of product intake
研究概览
简要总结
This is an open-label, randomized, 4-way crossover, monocentric, controlled study in patients (3 ≤ years of age ≤ 20 )) with phenylketonuria (PKU).
The primary comparison will be between the test product (PKU GOLIKE PLUS 3-16, a prolonged-release amino-acids (AAs) mixture) and the reference product (an immediate-release free AAs mixture with the same qualitative and quantitative composition of PKU GOLIKE PLUS 3-16). PKU GOLIKE PLUS 3-16 is a food for special medicinal purposes (FSMP) for the dietary management of PKU.
The study will consist of a screening visit (T0), four test days taking place on Sunday (T1-T4), each separated by a washout period (a period of time when a participant is taken off a treatment in order to eliminate its effects) and with the study products being self-administered at home, and a final visit (T5).
Following informed consent and verification of eligibility criteria, 24 patients with PKU will be randomized in a 1:1:1:1 ratio to one of the four randomization sequences ABCD, BDAC, DCBA or CADB.
A, B, C and D will be:
A. One day treatment with 3 self-administrations of GOLIKE PLUS 3-16 (1.2 g/kg total daily dose of AA) B. One day treatment with 2 self-administrations of GOLIKE PLUS 3-16 (1.2 g/kg total daily dose of AA) C. One day treatment with 3 self-administrations of free AAs (1.2 g/kg total daily dose of AA) D. One day treatment with 2 self-administrations of free AAs (1.2 g/kg total daily dose of AA)
GOLIKE PLUS 3-16 and the free AAs mixture will be the only protein substitute allowed on each test day, and no sports activities will be allowed on the test days.
24-hour urines and five blood spots will be collected on each test day. A patient's diary will be used to collect information on patient compliance, 24-hour urines and blood spot collections, diet, daily activities, adverse events and concomitant medications.
Patients completing all four test days will be asked to go to the center for a final visit (T5) taking place within 2 weeks from the last product administration.
详细描述
This is an open-label, randomized, 4-way crossover, monocentric, controlled study in patients (3 ≤ years of age ≤ 20 ) with phenylketonuria (PKU).
The primary comparison will be between the test product (PKU GOLIKE PLUS 3-16, a prolonged-release amino-acids (AAs) mixture, in this protocol referred to as GOLIKE PLUS 3-16) and the reference product (an immediate-release free AAs mixture with the same qualitative and quantitative composition of PKU GOLIKE PLUS 3-16). PKU GOLIKE PLUS 3-16 is a food for special medicinal purposes (FSMP) for the dietary management of PKU.
The study will consist of a screening visit (T0), four test days taking place on Sunday (T1-T4), each separated by a washout period (a period of time when a participant is taken off a treatment in order to eliminate its effects) and with the study products being self-administered at home, and a final visit (T5). A telephone call will be made to the patients during each washout period. Test days will occur preferably on four consecutive weeks with a 1-week washout period between each test day. Washout can be extended up to 2 weeks in case a dose delay (i.e. delay of the test day) is deemed necessary.
Following informed consent and verification of eligibility criteria, 24 patients with PKU will be randomized in a 1:1:1:1 ratio to one of the following four randomization sequences: ABCD, BDAC, DCBA or CADB.
A, B, C and D will be:
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Crossover
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 3 Years 至 20 Years（Child, Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Signed, informed consent obtained prior to being enrolled into the study and prior to starting any data collection. Consent of a legally authorized guardian is required for legally minor patients as defined by local regulation. If the patient is legally a minor, signed written consent shall be obtained from parent(s)/legal guardian and assent obtained from the patient, if applicable.
- •Male or female, aged 3-20 (limits included).
- •Patients with diagnosis of PKU at newborn screening.
- •Patients starting low Phe diet before 1 month of age.
- •Ability and willingness to comply with all study procedures and availability for the duration of the study.
排除标准
- •Known or suspected hypersensitivity to any excipients/components of the investigational products.
- •Treatment with therapy for PKU other than amino-acids supplementation.
- •Patients aged >12 years old with 4 repeated average values of blood Phe >600 µM in the previous 6 months.
- •Patients aged <12 years old with 4 repeated average values of blood Phe >360 µM in the previous 6 months.
- •Any moderate to severe medical condition, which in the opinion of the Investigator would interfere with the study procedures or study outcome (reasoning to be provided), such as history of clinically significant diseases or malfunctions including, but not limited to, gastrointestinal, renal, hepatic, pulmonary, cardiovascular or endocrine disease, hemophilia, hyperlipidemia, impaired glucose tolerance or diabetes (type 1 or 2), or anemia.
- •History of poor co-operation, non-compliance with medical treatments and diet, or poor adherence to investigational procedures.
- •Any current participation in another clinical trial involving investigational or marketed products in the 3 months prior to the inclusion in this study.
- •Pregnancy or lactation.
结局指标
主要结局
Difference of GOLIKE PLUS 3-16 versus free AAs in terms of nitrogen retention after one day of product intake
时间窗: Over 24 hours of each test day.
Nitrogen excretion in the 24-hour urines of each test day is measured.
次要结局
- Comparison of the impact of 2 self-administrations of GOLIKE PLUS 3-16 and of 3 self-administrations of GOLIKE PLUS 3-16 on nitrogen excretion(Over 24 hours of each test day.)
- Comparison of impact of 2 self-administrations of GOLIKE PLUS 3-16 and of 3-self administrations of free AAs on nitrogen retention after one day of product intake(Over 24 hours of each test day.)
- Comparison of the the impact of GOLIKE PLUS 3-16 and of free AAs on phenylalanine (Phe) and tyrosine (Tyr) levels in blood on each test day.(Over 24 hours of each test day.)