An Extension Study to Evaluate the Efficacy and Safety of HORIZANT in Adolescents With Moderate-to-Severe Primary RLS

XenoPort

Status and phase

Enrolling

Phase 4

Conditions

RLS

Treatments

Drug: HORIZANT 600 mg

Study type

Interventional

Funder types

Industry

Identifiers

NCT02633683

XP110

Details and patient eligibility

About

The objectives of the trial are to evaluate the long-term efficacy and safety of HORIZANT (Gabapentin Enacarbil) 600 mg daily, for the treatment of RLS in adolescents (13 to 17 years of age) diagnosed with moderate-to-severe primary RLS.

Full description

Patients who complete the 12-week daily dosing efficacy and safety study (XP109) will be allowed to enroll in the open-label extension (OLE) study (XP110), thereby providing exposure to HORIZANT for up to 48 weeks. Enrolled patients will take open-label HORIZANT 600 mg tablets once a day at approximately 5 PM with food, beginning at Week 0 of the OLE study up to and including Week 36. After the end of the treatment period, a follow-up visit will be included 14 days (± 3 days) after the last dose of HORIZANT. Patients will visit the clinical site on 6 different occasions, including a follow-up visit 14 days (± 3 days) after the last dose of study drug.

Enrollment

144 estimated patients

Sex

All

Ages

13 to 17 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Patients who completed participation in HORIZANT Study XP109.

Negative pregnancy test for females of childbearing potential. Male patients able to father a child must agree to use a barrier method (male condom, female condom, diaphragm, or cervical cap) with spermicide for at least 30 days prior to dosing and throughout the study. Fertile, sexually active patients must agree to use 2 medically accepted methods of contraception
Patients must be willing to refrain from using any drugs that are likely to affect RLS or sleep assessments for the duration of the study.
Signed patient and parent (or legal guardian) Institutional Review Board (IRB)-approved assent and consent forms before any study procedures are carried out

Exclusion criteria

Patients who, in the opinion of the investigator, would be noncompliant with the study visit schedule, procedures, or medication administration
Patients who have developed clinically significant or unstable medical conditions, or who would otherwise be unsuitable for participation in a continuation study with gabapentin enacarbil