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临床试验/NCT05766839
NCT05766839招募中2 期

A 2-Part, Open-Label, Phase 2, Multiple Dose Study to Evaluate the Pharmacodynamic Effects, Safety, and Tolerability of Patiromer in Children Under 12 Years of Age With Hyperkalaemia (EMERALD2)

Vifor Pharma, Inc.38 个研究点 分布在 15 个国家目标入组 32 人开始时间: 2025年4月6日最近更新:
适应症
干预措施
相关药物

试验速览

阶段
2 期
状态
招募中
入组人数
32
试验地点
38
主要终点
Change in potassium levels (mmol/L)

研究概览

简要总结

A study to evaluate the pharmacodynamic effects, safety, and tolerability of patiromer in children under 12 years of age with hyperkalaemia.

研究设计

研究类型
Interventional
分配方式
Na
干预模型
Single Group
主要目的
Treatment
盲法
None

入排标准

年龄范围
0 Years 至 11 Years(Child)
性别
All
接受健康志愿者

入选标准

  • Paediatric participants (<12 years of age) with hyperkalaemia at screening.
  • Participant's age should not reach 12 years during the 28 days of the pharmacodynamic/dose-ranging period.
  • Participant is able to receive regular external feeding and medication, including via tubes, i.e., percutaneous endoscopic gastrostomy (PEG) or entero-gastric feeding tube.
  • At screening/baseline, the results from 2 separate and consecutive potassium assessments using the same measurement method (whole blood, plasma, or serum) need to be above the age-appropriate upper limit of normal (ULN).
  • If taking any renin-angiotensin aldosterone system inhibitors (RAASi), beta blockers, fludrocortisone, or diuretic medications, must be on a stable dose for at least 14 days prior to screening.
  • Parent(s) or legally authorised representative(s) or another appropriate person delegated by the legally authorised representatives must be available to help the study-site personnel ensure follow-up; accompany the participant to the study site on each assessment day; accurately and reliably dispense investigational product as directed.
  • Females of childbearing potential must be non-lactating, must have a negative pregnancy test at screening, and must have used an effective, acceptable form of contraception (e.g., abstinence) for at least 1 month before patiromer administration. Females of childbearing potential must agree to continue using contraception throughout the study and for 1 month after the last dose of patiromer.
  • If undergoing peritoneal dialysis, participants must be on a stable treatment plan for a minimum of 4 weeks prior to screening, or at least 8 weeks prior to screening if newly initiated on peritoneal dialysis.

排除标准

  • Preterm birth infants with <37 weeks of gestation cannot be included in Cohort
  • Participants who due to their general condition, e.g., anaemia or low body weight, are not suitable to have blood volume withdrawn.
  • Any of the following renal conditions: maintenance haemodialysis, renal artery stenosis, and acute kidney injury (defined by 2012 Kidney Disease Improving Global Outcomes) or a history of acute renal insufficiency in the past 3 months. Note: Chronic kidney disease (CKD) is not excluded.
  • A history of or current diagnosis of a severe gastrointestinal (GI) diagnosis or surgery that could affect GI transit of the drug (delayed gastric emptying), such as a severe swallowing disorder, severe gastroesophageal reflux, uncorrected pyloric stenosis, intussusception, any other intestinal obstruction (e.g., Hirschsprung disease, chronic intestinal pseudo-obstruction, clinically significant postsurgical abdominal adhesions) or any gut-shortening surgical procedure prior to screening. Pre-gastric above-mentioned pathologies may be disregarded in case of existence of a PEG or entero-gastric feeding tube, as the PEG or entero-gastric feeding tube will serve for nutrition and investigational product administration.
  • Active cancer, currently on cancer treatment, or history of cancer in the past 2 years (except for non-melanoma skin cancer).
  • Scheduled for kidney transplant procedure during the first 28 days after Day
  • History of sudden infant death in a sibling (only for participants <2 years of age at screening).
  • Use of the following medications if doses have not been stable for at least 14 days prior to screening or if doses are anticipated to change during the 4-week pharmacodynamic/
  • Dose-ranging period: digoxin, bronchodilators, theophylline, heparins (including low molecular heparins), tacrolimus, mycophenolate mofetil, cyclosporine, trimethoprim, or cotrimoxazole.
  • Use of any investigational product for an unapproved indication within 30 days prior to screening or within 5 half-lives, whichever is longer.
  • Known hypersensitivity to patiromer or its components.
  • If the child is being breastfed:
  • There is suspicion of current alcohol or substance misuse/abuse in breastfeeding mother.
  • The breastfeeding mother is taking potassium supplements
  • Other protocol defined Inclusion/Exclusion criteria may apply.

研究组 & 干预措施

Patiromer

Experimental

4-week pharmacodynamic /dose-ranging period

Cohort 1: 6 to less than (<)12 years of age Cohort 2: 2 to <6 years of age Cohort 3: 0 to <2 years of age; In Cohort 3, a minimum of 3 study participants will be assessed in the subgroup of 0 to <6 months and another 3 study participants in the subgroup 6 to <24 months of age.

干预措施: Patiromer (Drug)

结局指标

主要结局

Change in potassium levels (mmol/L)

时间窗: From baseline to Day 28

May be measured as serum, plasma, whole blood, potassium

次要结局

  • Change from baseline in body temperature (Celsius)(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Number of patients with ECG abnormalities(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Change in potassium levels (mmol/L)(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Change from baseline in chemistry laboratory evaluation: Calcium (mg/dL)(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Occurrence of treatment-emergent adverse events (TEAEs)(Part 1: Day 1 up to end of treatment (Day 28 ±3 Days); Part 2: Day 1 up to follow-up visit (Up to 54 weeks))
  • Change from baseline in resting heart rate (beats per minute)(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Change from baseline in systolic blood pressure (mmHg)(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Change from baseline in chemistry laboratory evaluation: Magnesium (mg/dL)(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Occurrence of serious adverse events (SAEs)(Part 1: Day 1 up to end of treatment (Day 28 ±3 Days); Part 2: Day 1 up to follow-up visit (Up to 54 weeks))
  • Change from baseline in diastolic blood pressure (mmHg)(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Change from baseline in chemistry laboratory evaluation: Blood urea nitrogen (mEq/L)(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Change from baseline in chemistry laboratory evaluation: Phosphate (mg/dL)(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Change from baseline in chemistry laboratory evaluation: Serum bicarbonate (mEq/L)(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Occurrence of blood potassium below the lower limit of normal (LLN) (mmol/L)(Part 1: Screening up to end of treatment (Day 28 ±3 Days); Part 2: Day 1 up to end of treatment (Up to 52 weeks))
  • Occurrence of blood potassium above the upper limit of normal (ULN) (mmol/L)(Part 1: Screening up to end of treatment (Day 28 ±3 Days); Part 2: Day 1 up to end of treatment (Up to 52 weeks))
  • Change from baseline in chemistry laboratory evaluation: Potassium (mEq/L)(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Change from baseline in chemistry laboratory evaluation: Sodium (mEq/L)(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Change from baseline in haematology laboratory evaluation: Red blood cells count (10^12/L)(From baseline to Day 7, Day 14, Day 28, and EoT visit for Part 2 (week 52))
  • Change from baseline in haematology laboratory evaluation: Haematocrit (%)(From baseline to Day 7, Day 14, Day 28, and EoT visit for Part 2 (week 52))
  • Change from baseline in chemistry laboratory evaluation: Creatinine (mg/dL)(From baseline to Day 3, Day 7, Day 14, Day 28, and during Part 2: up to 52 weeks)
  • Change from baseline in haematology laboratory evaluation: White blood cells (10^9/L)(From baseline to Day 7, Day 14, Day 28, and EoT visit for Part 2 (week 52))
  • Change from baseline in haematology laboratory evaluation: Haemoglobin (10^12/L)(From baseline to Day 7, Day 14, Day 28, and EoT visit for Part 2 (week 52))
  • Change from baseline in haematology laboratory evaluation: Platelet count (10^9/L)(From baseline to Day 7, Day 14, Day 28, and EoT visit for Part 2 (week 52))
  • Occurrence of blood magnesium at levels specified in protocol (mmol/L)(Part 1: Screening up to end of treatment (Day 28 ±3 Days); Part 2: Day 1 up to end of treatment (Up to 52 weeks))
  • Change from baseline in haematology laboratory evaluation: Blood fluoride (ng/mL)(From baseline to Day 7, Day 14, Day 28, and EoT visit for Part 2 (week 52))
  • Occurrence of abnormal clinical laboratory value findings(Part 1: Screening up to end of treatment (Day 28 ±3 Days); Part 2: Day 1 up to end of treatment (Up to 52 weeks))

研究者

申办方类型
Industry
责任方
Sponsor

研究点 (38)

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