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临床试验/PACTR202206488890527
PACTR202206488890527尚未招募2 期

A Phase 2a Randomized, Double-Blind, Placebo-Controlled Study to Characterize the Pharmacokinetics and Pharmacodynamics of Rifaximin Novel Formulations in Patients with Sickle Cell Disease

Bausch Health America0 个研究点目标入组 60 人开始时间: 2022年3月17日最近更新:
适应症

试验速览

阶段
2 期
状态
尚未招募
发起方
入组人数
60

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

年龄范围
13 Year(s) 至 18 Year(s)(—)
性别
All

入选标准

  • 1.Subject must have the ability and willingness to sign a written informed consent form.
  • 2.Subject is between the ages of 18 to 70 years old (inclusive) at the time of consent.
  • 3.Subject has SCD of any genotype (HbSS, HbSC, HbS ß-thalassemia). If the subject’s
  • genotype has not been previously documented, genotyping will be performed during
  • Screening using high-performance liquid chromatography (HPLC)/electrophoresis.
  • 4.Subject must have experienced at least 2 VOCs within the 12 months prior to Screening.
  • A VOC is defined as:
  • a. The occurrence of appropriate symptoms consistent with a painful crisis, acute
  • chest syndrome (ACS), or priapism, and
  • b. Requires a visit to a medical facility and/or healthcare professional, and
  • c. Receipt of either a parenteral or oral opioid or NSAID analgesia.
  • 5.If subject is receiving hydroxyurea (HU)/hydroxycarbamide (HC), subject must have been
  • receiving the treatment for at least 6 months prior to Screening and must agree to maintain the same dose and schedule for the duration of the study.
  • 6.Subjects must have laboratory values at Screening within the following ranges:
  • Absolute Neutrophil Count =1.0 x 109/L
  • Platelets = 75 x 109/L
  • Hemoglobin (Hgb) = 6.0 g/dL
  • Glomerular filtration rate (GFR) = 45 mL/min/1.73 m2 using the CKD-EPI formula
  • Direct (conjugated) bilirubin = 2.0 x ULN
  • Alanine transaminase (ALT) = 3.0 x ULN
  • International Normalized Ratio (INR) = 2.0
  • 7.Eastern Cooperate Oncology Group (ECOG) performance status = 2.
  • 8.Women of child-bearing potential, defined as all women physiologically capable of
  • becoming pregnant, must have a negative serum pregnancy test at Screening and agree to
  • use standard prevention methods for the duration of the study.

排除标准

  • 1.Subject is receiving concomitant treatment with voxelotor, crizanlizumab, or L-glutamine.
  • 2.Subject has any history of stem cell transplant is planning to begin or has received in the
  • past 30 days.
  • 3.Subject experiences an acute VOC, requiring a visit to a medical facility and/or healthcare
  • professional, ending within 7 days prior to Day 1 dosing.
  • 4.Subject has received any blood products within 30 days of Day 1 dosing.
  • 5.Subject has uncontrolled liver disease or renal impairment, ulcerative colitis, Crohn’s
  • disease, or other chronic GI disorder.
  • 6.Subject has received active treatment in another investigational trial within 30 days or 5
  • half-lives of the last dose of the investigational agent, whichever is greater, prior to
  • 7.Subject has received penicillin prophylaxis or antibiotics for treatment of infection within
  • 30 days or 5 half-lives of the treatment, whichever is greater, prior to Screening.
  • 8.Subject has a significant medical condition that required hospitalization (other than for a
  • VOC) within 2 months prior to Screening.
  • 9.Subject is planning on undergoing an exchange transfusion during the duration of the study
  • or has completed one within 4 weeks prior to Day 1 dosing.
  • 10.Subject has a hypersensitivity to rifaximin, rifampin, rifamycin antimicrobial agents, or any components of rifaximin ER and DER.
  • 11.Subject has used therapeutic anticoagulation (prophylactic doses are permitted) or
  • antiplatelet therapy (other than aspirin or NSAIDs) within 10 days prior to Day 1 dosing.
  • 12.Subject is pregnant or a nursing woman.
  • 13.Subject has a history of illicit drug use or abuse, either documented or in the opinion of the Investigator.
  • 14.Subject is using any medication that is known to inhibit or induce CYP3A4, P-gp, or
  • OATP1B1/B3 (See Appendix 3) within 30 days or 5 half-lives, whichever is longer, prior
  • to Day 1 dosing, or in the opinion of the Investigator, may affect the evaluation of the study
  • product or place the subject at

研究者

发起方
Bausch Health America

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