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Spinal Muscular AtrophyPhase 1NCT01780246

An Open-label Safety and Tolerability Study of Nusinersen (ISIS 396443) in Participants With Spinal Muscular Atrophy Who Previously Participated in ISIS 396443-CS1 (NCT01494701)

A Phase 1 study testing nusinersen in people with Spinal Muscular Atrophy, run by Biogen at 4 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The primary objective of this study is to examine the safety and tolerability of nusinersen (ISIS 396443) administered intrathecally to participants with Spinal Muscular Atrophy (SMA) who previously participated in ISIS 396443-CS1 (NCT02865109). Read more about this study

Who is it for?
Ages 2 to 15 years
Conditions the study is for
Spinal Muscular Atrophy
What is being tested?
nusinersen
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
18 participants
Where
4 sitesUnited States
Study dates
31 Jan 2013to 28 Feb 2014
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 2 to 15 years
  • All sexes
  • No healthy volunteers
  • Child

Who may be able to join

  • Clinical signs attributable to Spinal Muscular Atrophy
  • Satisfactory completion of dosing and all study visits in ISIS 396443-CS1 (NCT01494701) with an acceptable safety profile, per Investigator judgement.
  • Able to complete all study procedures, measurements and visits and parent/participant has adequately supportive psychosocial circumstances, in the opinion of the investigator
  • Estimated life expectancy > 2 years from Screening
  • Meets age-appropriate institutional criteria for use of anesthesia/sedation, if use is planned for study procedure

Who cannot join

  • Have any new or worsening of existing condition which in the opinion of the Investigator would make the participant unsuitable for enrollment, or could interfere with the participant participating in or completing the study.
  • Dosing in ISIS 396443-CS1 (NCT01494701) within 270 days (9 months) of screening, or longer ago than 450 days (15 months)
  • Dosing in ISIS 396443-CS2 (NCT01703988)
  • Hospitalization for surgery (i.e. scoliosis surgery) or pulmonary event within 2 months of screening or planned during the duration of the study
  • Presence of an untreated or inadequately treated active infection requiring systemic antiviral or antimicrobial therapy any time during the screening period
  • Clinically significant abnormalities in hematology or clinical chemistry parameters
  • Treatment with investigational drug, biological agent, or device within 1-month of Screening or 5 half-lives of study agent, whichever is longer. Treatment with valproate or hydroxyurea within 1 months of screening. Any history of gene therapy or cell transplantation
  • NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.

Trial locations and contacts

4 sites in 1 country.

United States4 sites
  • Boston Children's Hospital

    Boston, Massachusetts, 02115

  • UT Southwestern Medical Center - Children's Medical Center Dallas

    Dallas, Texas, 75207

  • Columbia University Medical Center

    New York, New York, 10032

  • University of Utah School of Medicine

    Salt Lake City, Utah, 84132

Other trials in United States

About this study

Official title: An Open-label Study to Assess the Safety and Tolerability of a Single Intrathecal Dose of ISIS 396443 in Patients With Spinal Muscular Atrophy Who Previously Participated in ISIS 396443-CS1

The primary objective of this study is to examine the safety and tolerability of nusinersen (ISIS 396443) administered intrathecally to participants with Spinal Muscular Atrophy (SMA) who previously participated in ISIS 396443-CS1 (NCT02865109). The secondary objective was to examine the plasma pharmacokinetics of a single dose of ISIS 396443 administered intrathecally to participants with SMA who previously participated in ISIS 396443-CS1.

Read the detailed description

This study was conducted and the protocol was registered by Ionis Pharmaceuticals, Inc.

In August 2016, sponsorship of the trial was transferred to Biogen.

Being tested
nusinersen
Keywords
Spinal Muscular Atrophy, SMA, SMN, SMNRx, ISIS-SMNRx, ISIS 396443
Medical subject headings
Muscular Atrophy, Spinal

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • nusinersenDrug

    Also called Sprinraza, ISIS 396443, IONIS-SMN Rx, BIIB058

    Administered by intrathecal (IT) injection

Study groups in NCT01780246
Study groupRoleWhat they receive
nusinersenExperimentalNot described
Receives: Drug: nusinersen

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of participants that experience Adverse Events (AEs) and Serious Adverse Events

    Measured: Up to 24 Weeks

  2. Number of participants with clinically significant neurological examination abnormalities

    Measured: Up tp 24 Weeks

  3. Number of participants with clinically significant vital sign abnormalities

    Measured: Up to 24 Weeks

  4. Number of participants with clinically significant physical examination abnormalities

    Measured: Up to 24 Weeks

  5. Number of participants with clinically significant weight abnormalities

    Measured: Up to 24 Weeks

  6. Number of participants with clinically significant laboratory parameters

    Measured: Up to 24 Weeks

  7. Number of participants with clinically significant electrocardiograms (ECGs) abnormalities

    Measured: Up to 24 Weeks

  8. Number of participants who use concomitant medications

    Measured: Up to 24 Weeks

Secondary outcomes (4)
  1. PK parameters of nusinersen (ISIS 396443): Maximum observed plasma drug concentration (Cmax)

    Measured: Plasma at 1, 2, 4 and 6 hours after dosing

  2. PK parameters of nusinersen: Time to reach maximum observed concentration (Tmax)

    Measured: Plasma at 1, 2, 4 and 6 hours after dosing

  3. PK parameters of nusinersen: Area under the plasma concentrations time curve from the time of the intrathecal (IT) dose to the last collected sample (AUCinf)

    Measured: Plasma at 1, 2, 4 and 6 hours after dosing

  4. PK parameters of nusinersen (ISIS 396443): Apparent terminal elimination half-life (t1/2), if possible

    Measured: Plasma at 1, 2, 4 and 6 hours after dosing

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted31 Jan 2013 (estimated)
  2. Study start31 Jan 2013
  3. Primary completion28 Feb 2014
  4. Study completion28 Feb 2014

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
18 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01780246
Sponsor's protocol ID
ISIS 396443-CS10
Status last verified
Feb 2021
First submitted
28 Jan 2013
Last updated
16 Feb 2021
Results posted
No
Data monitoring committee
Yes
Expanded access
Available

Publications

  • Darras BT, Farrar MA, Mercuri E, Finkel RS, Foster R, Hughes SG, Bhan I, Farwell W, Gheuens S. An Integrated Safety Analysis of Infants and Children with Symptomatic Spinal Muscular Atrophy (SMA) Treated with Nusinersen in Seven Clinical Trials. CNS Drugs. 2019 Sep;33(9):919-932. doi: 10.1007/s40263-019-00656-w.

    PubMed 31420846
  • Hache M, Swoboda KJ, Sethna N, Farrow-Gillespie A, Khandji A, Xia S, Bishop KM. Intrathecal Injections in Children With Spinal Muscular Atrophy: Nusinersen Clinical Trial Experience. J Child Neurol. 2016 Jun;31(7):899-906. doi: 10.1177/0883073815627882. Epub 2016 Jan 27.

    PubMed 26823478

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing nusinersen in people with Spinal Muscular Atrophy, run by Biogen at 4 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 16 Feb 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 4 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of participants that experience Adverse Events (AEs) and Serious Adverse Events (time frame: Up to 24 Weeks). The study lists 8 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01780246, which also lists 2 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Feb 2021.

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