Interested in participating? Learn about a clinical study opportunity.

ACTIVE, NOT RECRUITING ACTIVE, NOT RECRUITING
Rare disease patient group icon
STUDY| Clinical Interventional

Phase 3 Clinical Study for Children and Adolescents Living With Angelman Syndrome (AS).

Key ELIGIBILITY

You are 4 to less than 18 years of age

You are 4 to less than 18 years of age

Has confirmed deletion of the maternal copy of the UBE3A gene causing AS

Has confirmed deletion of the maternal copy of the UBE3A gene causing AS

Can walk independently or with an assistive device

Can walk independently or with an assistive device

If your child has been previously treated with an ASO or gene therapy, they may not be eligible to participate in this study. Please discuss any previous treatments with the study team to see if your child may be able to participate.

Why are we doing this study?

To help researchers learn more about the safety of GTX-102* and the effects it may have on:

  • Cognitive function
  • Behavior
  • Communication
  • Sleep
  • Motor function

* GTX-102 is an investigational antisense oligonucleotide (ASO) that is not currently approved by any health authority. However, it has been given to children and adolescents in a prior study.

For more information, please visit clinicaltrials.gov

Angelman Syndrome Clinical Research

What is involved?

Physical clinic icon
Study treatment
If eligible, your child will either receive study treatment (GTX-102) for 2 years or be in a Sham Control group for the first year, then receive GTX-102 in the second year. This is designed to show that GTX-102 is safe and works better than routine medical care. All children will have the opportunity to receive GTX-102 during the study. GTX-102 is given as a low starting dose every 4 weeks to start. Over time, the dose increases, and the dosing interval increases to 8 weeks and then 12 weeks.

1. Double-blind Period
(11 months)

GTX-102 or standard AS care

Transition
(2 months)

2. Open-label Period
(11 months)

GTX-102

‡ Double-blind study treatment is assigned at random, with an equal chance of each option. The Double-blind Period will include a Sham Control group.

Physical clinic icon
Sham Control group
Sham Control groups are included in clinical studies so researchers can compare the effects of an investigational treatment to the absence of treatment. Participants in the Sham Control group will go through all the same procedures as the GTX-102 group, except they will not receive GTX-102 in the Double-blind Period. This keeps you and the study team from knowing if a participant is receiving active treatment or not. This helps researchers understand more about the investigational treatment.
Physical clinic icon
Study visits
You and your child will have monthly visits to monitor your child’s health. About half will be in-clinic visits. Where allowed, support is provided for travel costs.
In-clinic visits

Assessments, testing, and study treatment (GTX-102) or Sham Control procedure (study procedure with no drug administration)

Phone/virtual visits

Discussion about changes in your child’s health, other medications/therapies

What you can expect?

Physical exams

Physical exams

Neurological exams

Neurological exams

Heart testing (electrocardiograms)

Heart testing (electrocardiograms)

Blood, urine, and spinal fluid sample collection

Lumbar puncture (possible use of sedation)

AS functional assessments

Questionnaires for caregivers

Brainwave testing (EEG) and Video Assessments for some participants

Interested in participating or have questions? Get started
RECRUITING RECRUITING
Rare disease patient group icon
STUDY| Clinical Interventional

Clinical Study for Individuals Living with Angelman Syndrome (AS)

Evaluating an investigational therapy called GTX-102 as a potential treatment.

Key ELIGIBILITY

To be eligible for study participation, individuals with AS will need to meet 1 set of the following requirements, depending on their age group:


1 to 3 years of age:
Confirmed diagnosis of deletion-type AS

Weight of at least 8 kg (17.6 lb.) at screening

4 to 17 years of age:
Confirmed diagnosis of paternal uniparental disomy (UPD) AS or imprinting center defect (ICD) AS

18 to 64 years of age:
Confirmed diagnosis of any AS genotype

If the individual has been previously treated with an ASO or gene therapy, they will not be eligible to participate in this study. Please discuss any previous treatments with the study team to see if your loved one may be able to participate. There are some additional requirements, which the study team will explain to you.

Why are we doing this study?

GTX-102 has been evaluated in a prior clinical study, but more information is needed. The Aurora Study is designed to help researchers learn more about the safety of GTX-102 and the effects it may have on:

  • Cognitive function (learning new tasks, problem-solving,
    focus, and attention, etc.)
  • Behavior
  • Communication
  • Sleep
  • Motor function (the body’s movement)

GTX-102 is not currently approved by any regulatory authority for use in treating AS and may only be used in approved clinical research studies such as this one.

For more information, please visit clinicaltrials.gov

Enhance Gene Therapy for the Treatment of Angelman Syndrome clinical research Deficiency logo

What is involved?

Physical clinic icon
Study treatment

  • The investigational treatment GTX-102
    • The investigational treatment is administered through a lumbar puncture
  • Dexamethasone (or a similar medication)
    • The participant will receive this treatment prior to receiving the initial doses of GTX-102
    • This is a corticosteroid, which can help prevent side effects from certain treatments
    • This treatment will be administered orally or through an intravenous (IV) infusion

Screening

(up to about 6 weeks)

Open-Label Treatment

(about 11 months) GTX-102

“Open-label” means that both the participant and the study doctor will know what treatment is being given to them. There is no placebo (a substance that looks like the investigational treatment but does not contain any medication) or sham control (a procedure that mimics how the investigational treatment is administered but does not actually administer it) in this study, and all participants will be administered the same investigational treatment.

 
Physical clinic icon
Study visits
You and your loved one will attend 9 clinic visits and 11 remote telehealth visits
In-clinic visits

Assessments, testing, and investigational treatment

Telehealth visits

Discussion about changes in your loved one’s health, other medications/therapies

What you can expect?

At study visits, assessments and procedures will be done to check your loved one’s health. This may include but is not limited to:

AS assessments

Neurological examinations

Physical exams

Vital sign measurements

Blood, urine, and cerebrospinal fluid sample collections

Electrocardiograms (heart activity measurement)

Electroencephalograms (EEG brain activity measurement)

Questionnaires

Assessments for adverse events (side effects)

Interested in participating or have questions? Get started
RECRUITING RECRUITING
Rare disease patient group icon
STUDY| Clinical Interventional

Clinical Study for Children and Teenagers Living with Angelman Syndrome (AS)

Evaluating an investigational therapy called GTX-102 as a potential treatment.

Key ELIGIBILITY

To be eligible for study participation, individuals with AS will need to meet the following requirements:


4 to 17 years of age

Confirmed diagnosis of mutation-type AS

If the individual has been previously treated with an ASO or gene therapy, they will not be eligible to participate in this study. Please discuss any previous treatments with the study team to see if your child may be able to participate. There are some additional requirements, which the study team will explain to you.

Why are we doing this study?

GTX-102 has been evaluated in a prior clinical study, but more information is needed. The Aurora Study is designed to help researchers learn more about the safety of GTX-102 and the effects it may have on:

  • Cognitive function (learning new tasks, problem-solving,
    focus, and attention, etc.)
  • Behavior
  • Communication
  • Sleep
  • Motor function (the body’s movement)

GTX-102 is not currently approved by any regulatory authority for use in treating AS and may only be used in approved clinical research studies such as this one.

For more information, please visit clinicaltrials.gov

Enhance Gene Therapy for the Treatment of Angelman Syndrome clinical research Deficiency logo

What is involved?

Physical clinic icon
Study treatment

  • The investigational treatment GTX-102
    • The investigational treatment is administered through a lumbar puncture
  • Dexamethasone (or a similar medication)
    • The participant will receive this treatment prior to receiving the initial doses of GTX-102
    • This is a corticosteroid, which can help prevent side effects from certain treatments
    • This treatment will be administered orally or through an intravenous (IV) infusion

“Open-label” means that both the participant and the study doctor will know what treatment is being given to them. There is no placebo (a substance that looks like the investigational treatment but does not contain any medication) or sham control (a procedure that mimics how the investigational treatment is administered but does not actually administer it) in this study, and all participants will be administered the same investigational treatment.

 
Physical clinic icon
Study visits
You and your child will attend up to 11 clinic visits and up to 15 remote telehealth visits.
In-clinic visits

Assessments, testing, and investigational treatment

Telehealth visits

Discussion about changes in your child’s health, other medications/therapies

What you can expect?

At study visits, assessments and procedures will be done to check your child’s health. This may include but is not limited to:

AS assessments

Neurological examinations

Physical exams

Vital sign measurements

Blood, urine, and cerebrospinal fluid sample collections

Electrocardiograms (heart activity measurement)

Electroencephalograms (EEG brain activity measurement)

Questionnaires

Assessments for adverse events (side effects)

Interested in participating or have questions? Get started

Get Started

To learn about current and future studies, you only need to fill out the form once.
*All fields are required.

 

By submitting this form, you confirm that a diagnosis of AS has been made by a medical professional.

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What happens after you submit your information?

Our Patient Enrollment Liaison (PEL) team will contact you by email or phone within one business day to discuss your study eligibility and answer questions.

If you choose to be contacted by email, be sure to check your spam folder for an email from [email protected], if it’s not in your regular inbox.

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Got Questions?

Email our PEL team about current and future medical research opportunities.

Angelman Syndrome (AS) Deficiency patient representation Angelman Syndrome (AS) Deficiency patient representation

Patient portrayal.

Angelman Syndrome (AS) is a rare genetic neurodevelopmental disorder that is caused by a lack of expression of the maternal copy of the UBE3A gene on chromosome 15q11-13 in the brain. Children with AS have intellectual disability, severe speech impairment, and seizures throughout their lives.

If you are thinking about joining a study, our Patient Enrollment Liaison (PEL) team is here to help. Every member of our PEL team has a robust professional background and clinical expertise and experience to help answer your questions. Your PEL team member will assist in exploring Ultragenyx clinical and non-interventional clinical trials and related sites where you could be considered for enrollment. Your PEL is here to make the process as easy as possible.

To speak with a PEL about current and future medical research opportunities, please email our PEL team at [email protected].

When you voluntarily submit your personal data, Ultragenyx stores and processes this information in an electronic database consistent with our Privacy Policy. Ultragenyx will use this information to contact you to fulfill your request regarding Ultragenyx research opportunities.

Clinical and nonclinical studies provide invaluable information to treat, diagnose, or discover new breakthroughs in treating rare and ultra-rare diseases. By choosing to participate in research, you may help advance treatments, provide crucial insights, and ultimately improve the quality of life for others living with a rare or ultra-rare disease. You might also benefit from learning more about your condition, gain access to specific care, or achieve faster access to treatment. All efforts of participation, big and small, can make a difference.

Ultragenyx is leading the future of rare disease medicine. We leverage our experience, insight, and commitment to help move the rare disease community forward. Our primary goal is to provide medicines to those with limited options, and to help patients face rare disease head on with courage and confidence.

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