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Advanced Parkinson's DiseasePhase 3NCT02082249

An Extension Study to Assess the Safety, Tolerability and Efficacy of ABT-SLV187 in Subjects With Advanced Parkinson's Disease and Persistent Motor-Complications Despite Optimized Treatment With Available Anti-Parkinsonian Medications

A Phase 3 study testing ABT-SLV187 in people with Advanced Parkinson's Disease, run by AbbVie at 7 sites in 3 countries.

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

This is an extension study to evaluate the long-term safety and tolerability of ABT-SLV187 in subjects with advanced Parkinson's disease. Read more about this study

Who is it for?
Ages 30 to 99 years
Conditions the study is for
Advanced Parkinson's Disease
What is being tested?
ABT-SLV187
Could I receive a placebo?
No, everyone receives an active treatment
How many people
30 participants
Where
7 sitesin 3 countries
Study dates
10 Mar 2014to 31 Oct 2019
Phase
Phase 3
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 30 to 99 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Subjects completing 12 weeks treatment in Study M12-921 who would benefit from long-term treatment from ABT-SLV187. Alternatively, subjects who (i) participated in the Phase 2 Study M12-925 (ii) would, in the opinion of the Investigator, benefit from ABT-SLV187 treatment in the Study M12-923, (iii) did not discontinue the M12-925 Study due to safety reason, and (iv) meet all entry requirements. Lastly, subjects who completed another ABT-SLV187 study (e.g., Study M12-927) in South Korea.
  • The subject must be able to understand the nature of the study and must provide written informed consent prior to the conduct of any study procedures (including any changes occurring in the subject's current therapeutic regimen).
  • The subject must be willing to continue on treatment.

Who cannot join

  • Subject is enrolled in another clinical trial.
  • Psychiatric, neurological or behavioral disorders that may interfere with the ability of subjects to give informed consent, or interfere with the conduct of the study.
  • Medical, laboratory, or surgical issues deemed by the Investigator to be clinically significant and in the opinion of the PI, would be a contraindication to continued levodopa therapy.
  • Uncooperative attitude or reasonable likelihood for non-compliance with the protocol.
  • Subject has current significant suicidal ideation as evidenced by answering "yes" to questions 4 or 5 on the suicidal ideation portion of the Columbia-Suicide Severity Rating Scale completed at the Week 12 Visit of Study M12-921 or at the Baseline Visit of the current study for M12-925 or M12-927 study subjects.
  • Consideration by the Investigator, for any reason, that the subject is an unsuitable candidate to continue to receive ABT-SLV187.

Trial locations and contacts

7 sites in 3 countries.

7 sites in 3 countries

Japan5 sites
  • National Hospital Organization Asahikawa Medical Center /ID# 101178

    Asahikawa, Hokkaido, 070-8644

  • National Center of Neurology and Psychiatry /ID# 98664

    Kodaira, Tokyo, 187-8551

  • National Hospital Organization Sagamihara National Hospital /ID# 98662

    Sagamihara-shi, Kanagawa, 252-0315

  • Kyoto University Hospital /ID# 112136

    Sakyo-ku, 606-8507

  • Osaka University Hospital /ID# 108335

    Suita-shi, Osaka, 565-0871

Other trials in Japan

South Korea1 site
  • Seoul National University Hospital /ID# 105935

    Seoul, 03080

Other trials in South Korea

Taiwan1 site
  • Linkou Chang Gung Memorial Ho /ID# 102297

    Taoyuan City, 33305

Other trials in Taiwan

About this study

Official title: An Open-Label Three-Part Extension Study Assessing Safety, Tolerability and Efficacy of ABT-SLV187 in Subjects With Advanced Parkinson's Disease and Persistent Motor-Complications Despite Optimized Treatment With Available Anti-Parkinsonian Medications

This is an extension study to evaluate the long-term safety and tolerability of ABT-SLV187 in subjects with advanced Parkinson's disease.

Being tested
ABT-SLV187
Keywords
Safety, Tolerability, Efficacy, levodopa-carbidopa intestinal gel, levodopa, carbidopa, Advanced Parkinson's Disease

What participants receive

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

  • ABT-SLV187Drug

    Dose levels will be individually optimized

Study groups in NCT02082249
Study groupRoleWhat they receive
ABT-SLV187Experimentalup to 6 years
Receives: Drug: ABT-SLV187

What is being measured

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

  1. Number of Participants with Adverse Events

    All negative changes in health during the study will be treated and recorded during the study.

    Measured: From Day 1 up to 6 years (estimated maximum)

Secondary outcomes (6)
  1. Change in Patient Global Impression of Change (PGIC) scores

    The PGIC is a 7-point response scale. The subject will be asked by the Investigator or qualified designee to rate their change in their disease status.

    Measured: From Screening Visit 2 of M12-921 to Week 52 of M12-923

  2. Change in the Unified Parkinson's Disease Rating Scale (UPDRS) score

    The Unified Parkinson's Disease Rating Scale (UPDRS) is an Investigator-used rating tool to follow the course of Parkinson's disease.

    Measured: From Day 1 up to 36 months (estimated maximum)

  3. Change in the Parkinson's Disease Questionnaire-39 (PDQ-39) scores

    The PDQ-39 is a disease-specific instrument designed to measure aspects of health that are relevant to subjects with PD, and which may not be included in general health status questionnaires.

    Measured: From Screening Visit 2 of M12-921 to Week 52

  4. Change in PD Diary mean daily "On" time without troublesome dyskinesia ("On" time without dyskinesia or with non-troublesome dyskinesia) or "On" time with troublesome dyskinesia

    The study will assess the difference in the amount of time a subject is able to move and function well during the day.

    Measured: From Day 1 to Week 52

  5. Change in the mean daily "Off" time (hours) as measured by the Parkinson's Disease (PD) Diary ©

    The study will assess the difference in the amount of time a subject is unable to move and function during the day.

    Measured: From Day 1 to Week 52

  6. Change in Clinical Global Impression of Change (CGI-C) scores

    The 7-item CGI-C (Change) scale assesses the overall degree of illness relative to Week 0. A rating of 4 is equivalent to "no change." Ratings < 4 are equivalent to "improvement" and ratings of 4 are equivalent to "worsening."

    Measured: From Screening Visit 2 of M12-921 to Week 52 of M12-923

Timeline

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

  1. First posted10 Mar 2014 (estimated)
  2. Study start10 Mar 2014
  3. Primary completion31 Oct 2019
  4. Study completion31 Oct 2019

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 3
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
30 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02082249
Sponsor's protocol ID
M12-923
Status last verified
May 2021
First submitted
14 Feb 2014
Last updated
12 May 2021
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: AbbVie is committed to responsible data sharing regarding the clinical trials we sponsor. This includes access to anonymized, individual and trial-level data (analysis data sets), as well as other information (e.g., protocols and clinical study reports), as long as the trials are not part of an ongoing or planned regulatory submission. This includes requests for clinical trial data for unlicensed products and indications.

Publications

  • Murata M, Mihara M, Hasegawa K, Jeon B, Tsai CH, Nishikawa N, Oeda T, Yokoyama M, Robieson WZ, Chatamra K, Facheris MF, Benesh J. Safety and efficacy of levodopa-carbidopa intestinal gel: results from an open-label extension study in Japanese, Korean and Taiwanese patients with advanced Parkinson's disease. Ther Adv Neurol Disord. 2018 Feb 26;11:1756286418759315. doi: 10.1177/1756286418759315. eCollection 2018.

    PubMed 29511383

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing ABT-SLV187 in people with Advanced Parkinson's Disease, run by AbbVie at 7 sites in 3 countries.

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 3 inclusion and 6 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 12 May 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 7 sites in Japan, South Korea, Taiwan. 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 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

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 with Adverse Events (time frame: From Day 1 up to 6 years (estimated maximum)). 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 NCT02082249, which also lists 1 linked publication.

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 12 May 2021.

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