Status:

COMPLETED

Long-Term Safety Follow-up Study of Cysteamine Bitartrate Delayed-release Capsules (RP103)

Lead Sponsor:

Amgen

Conditions:

Cystinosis

Eligibility:

All Genders

1+ years

Phase:

PHASE3

Brief Summary

Cystinosis is an inherited disease that if untreated, results in kidney failure as early as the first decade of life. The current marketed therapy is Cystagon® (cysteamine bitartrate immediate release...

Detailed Description

This is a long-term, open-label, study to determine the safety and tolerability of twice a day treatment with cysteamine bitartrate delayed-release capsules (RP103). It will involve 6-9 monthly clinic...

Eligibility Criteria

Inclusion

  • Male and female subjects must have completed the last visit of Study RP103-03 and be willing to continue with RP103 treatment.
  • OR for patients who did not complete the RP103-03 study:
  • Male and female subjects must have cystinosis.
  • Subjects must be on a stable dose of Cystagon® at least 21 days prior to Screening.
  • Within the last 6 months, no clinically significant change from normal in liver function tests (i.e., alanine aminotransferase \[ALT\], aspartate aminotransferase \[AST\], total bilirubin) and renal function (i.e., estimated glomerular filtration rate \[eGFR\]) at Screening as determined by the Investigator.
  • Subjects with an eGFR corrected for body surface area \> 30 mL/min/1.73m².
  • 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 must be willing and able to comply with the study restrictions and requirements.
  • Subjects or their parent or guardian must provide written informed consent and assent (where applicable) prior to participation in the study.

Exclusion

  • Patients enrolled in the previous Study RP103-03 who did not complete their last scheduled Study visit or who do not wish to continue on treatment with RP103.
  • AND for patients who did not complete the RP103-03 study:
  • Subjects less than 1 year old
  • Subjects with a known history, currently of the following conditions or other health issues that make it, in the opinion of the investigator, unsafe for them to participate: inflammatory bowel disease (if currently active) or have had prior resection of small intestine; Heart disease (e.g., myocardial infarction, heart failure, unstable arrhythmias or poorly controlled hypertension) 90 days prior to Screening; Active bleeding disorder 90 days prior to Screening; Malignant disease within the last 2 years.
  • Patients with a hemoglobin level \< 10 g/dL at Screening or a level that, in the opinion of the investigator, makes it unsafe for the subject to participate.
  • Subjects with known hypersensitivity to cysteamine or penicillamine.
  • Female subjects who are nursing, planning a pregnancy, known or suspected to be pregnant, or have a positive serum pregnancy screen.
  • Subjects who, in the opinion of the Investigator, are not able or willing to comply with the protocol.

Key Trial Info

Start Date :

August 27 2010

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

June 26 2017

Estimated Enrollment :

60 Patients enrolled

Trial Details

Trial ID

NCT01197378

Start Date

August 27 2010

End Date

June 26 2017

Last Update

December 27 2024

Active Locations (10)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 3 (10 locations)

1

California Pacific Medical Center (CPMC) Research Institute

San Francisco, California, United States, 94115

2

Stanford University Medical School

Stanford, California, United States, 94305

3

Emory Children's Center

Atlanta, Georgia, United States, 30322

4

Ann & Robert H. Lurie Children's Hospital of Chicago

Chicago, Illinois, United States, 60614