World Health Organization site
Skip Navigation Links

Main
Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 16 December 2017
Main ID:  NCT00872729
Date of registration: 27/03/2009
Prospective Registration: Yes
Primary sponsor: Horizon Pharma USA, Inc.
Public title: Pilot Study of Safety, Tolerability, Pharmacokinetics/Pharmacodynamics of RP103 Compared to Cystagon® in Patients With Cystinosis
Scientific title: A Pilot Study to Assess the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Cysteamine Bitartrate Delayed-release Capsules (RP103), Compared to Cysteamine Bitartrate (Cystagon®) in Patients With Nephropathic Cystinosis
Date of first enrolment: May 2009
Target sample size: 9
Recruitment status: Completed
URL:  https://clinicaltrials.gov/show/NCT00872729
Study type:  Interventional
Study design:  Allocation: Non-Randomized. Intervention model: Single Group Assignment. Primary purpose: Treatment. Masking: None (Open Label).  
Phase:  Phase 1/Phase 2
Countries of recruitment
United States
Contacts
Name:     Evelyn Olson, BS
Address: 
Telephone:
Email:
Affiliation:  Horizon Pharma USA, Inc.
Key inclusion & exclusion criteria

Inclusion Criteria:

- Male and female subjects must have nephropathic cystinosis.

- Children less than 22.5 kg will only be included in the study if the investigator
feels they can safely participate in the study including the required blood draw
volume for the safety and PK/PD assessments.

- Subjects must be on a stable dose of Cystagon® at least 21 days prior to Screening.

- Subjects must be able to swallow a 150 mg Cystagon® capsule with the capsule intact.

- Within the last 2 months, no clinically significant change in liver function [i.e.,
ALT, AST, alkaline phosphatase, bilirubin (total and direct)] and renal function
[i.e., serum creatinine, albumin, total protein] at Screening as determined by the
Investigator.

- Sexually active female subjects of childbearing potential (i.e., not surgically
sterile [tubal ligation, hysterectomy, or bilateral oophorectomy] or at least 2 years
naturally postmenopausal) must agree to utilize the same acceptable form of
contraception from screening through completion of the study.

- Subjects or their authorized caregiver must provide written informed consent and
assent (where applicable) prior to participation in the study.

- If in the opinion of the investigator, patients can safely provide the study required
blood draw volume.

- Subjects must be willing and able to comply with the study restrictions and
requirements.

Exclusion Criteria:

- If, in the opinion of the investigator, the planned study dose would exceed the
patient's tolerability of cysteamine based on their prior Cystagon® steady state drug
requirements.

- Evidence of or verbal attestation of Helicobacter pylori infection, presently, or
within the last 90 days prior to Screening.

- Subjects with a known history, currently or within the past 90 days prior to
Screening, of the following conditions or other health issues that make it, in the
opinion of the investigator, unsafe for them to participate, or whose concomitant
medical problems preclude them from committing to the study schedule including the
following: Crohn's disease, inflammatory bowel disease (if currently active) or have
had prior resection of small intestine; • History of heart disease, e.g., myocardial
infarction, heart failure, arrhythmias; Any bleeding disorder; Malignant disease;
Severe liver disease as defined as ALT or AST > 2 times the upper limit of normal.

- Subjects who have had a kidney transplant.

- Subjects who are planning or are a registered candidate for a kidney transplant within
3 months of the Screening or have a serum creatinine > 2.4.

- Subjects with known hypersensitivity to cysteamine.

- If female (of child-bearing potential), are nursing, planning a pregnancy, known or
suspected to be pregnant, or have a positive urine pregnancy screen.

- Patients with a hemoglobin level < 10.5.

- Subjects who have a made a blood donation within 60 days prior to study initiation.

- Subjects who, in the opinion of the Investigator, are not able or willing to comply
with the protocol.



Age minimum: N/A
Age maximum: N/A
Gender: All
Health Condition(s) or Problem(s) studied
Cystinosis
Intervention(s)
Drug: Cystagon®
Drug: RP103
Primary Outcome(s)
Plasma Pharmacokinetic Parameter: Cmax of Cysteamine [Time Frame: 12 hours post RP103 dosing and 7 hours post 1st Cystagon® dosing]
Plasma Pharmacokinetic Parameter: AUC(0-t) of Cysteamine [Time Frame: 12 hours post RP103 dosing and 6 hours post 1st Cystagon® dosing]
Pharmacodynamic Parameter: Changes of White Blood Cell (WBC) Cystine Level From Baseline [Time Frame: up to 12 hours post Cystagon® dosing and RP103 dosing]
Plasma Pharmacokinetic Parameter: Tmax of Cysteamine [Time Frame: 12 hours post RP103 dosing and 7 hours post 1st Cystagon® dosing]
Secondary Outcome(s)
Secondary ID(s)
RP103-01
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
Ethics review
Results
Results available: Yes
Date Posted: 28/10/2014
Date Completed:
URL: https://clinicaltrials.gov/ct2/show/results/NCT00872729
Disclaimer: Trials posted on this search portal are not endorsed by WHO, but are provided as a service to our users. In no event shall the World Health Organization be liable for any damages arising from the use of the information linked to in this section. None of the information obtained through use of the search portal should in any way be used in clinical care without consulting a physician or licensed health professional. WHO is not responsible for the accuracy, completeness and/or use made of the content displayed for any trial record.
Copyright - World Health Organization - Version 3.6 - Version history