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NCT04379050CompletedPhase 3

Extension Study To Evaluate Safety And Tolerability Of 24-Hour Daily Exposure Of Continuous Subcutaneous Infusion of ABBV-951 In Adult Participants With Parkinson's Disease

An Open-label Extension of Study M15-741 to Evaluate the Safety and Tolerability of 24-hour Daily Exposure of Continuous Subcutaneous Infusion of ABBV-951 in Subjects With Parkinson's Disease

Source: ClinicalTrials.gov · Last updated 13 May 2026

Brief summary (registry, in English)

Parkinson's disease (PD) is a neurological condition, which affects the brain. PD gets worse over time, but how quickly it progresses varies a lot from person to person. Some symptoms of PD are tremors, stiffness, and slowness of movement. The purpose of this study is to continue testing whether ABBV-951 is safe, effective, and tolerable in participants with Parkinson's disease after completion of the parent study M15-741. ABBV-951 is an investigational (unapproved) drug containing levodopa phosphate/carbidopa phosphate (LDP/CDP) given as infusion under the skin for the treatment of Parkinson's Disease. Participants who have successfully completed M15-741 study will immediately enter this study's treatment period to continue receiving ABBV-951. Adult participants with advanced PD will be enrolled. Approximately 130 adult participants will be enrolled in the study at approximately 65 sites worldwide. Participants will receive continuous subcutaneous infusion (CSCI) of ABBV-951 for 24 hours daily during the Primary Treatment Period and during the optional Extended Treatment Period. There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular clinic visits and have remote assessments completed via phone calls during the course of the study. The effect of the treatment will be checked by medical assessments, blood tests, checking for side effects, and completing questionnaires.

Status (registry)
Completed
Phase (registry)
Phase 3
Study type
Interventional
Enrollment
130 (actual)
First submitted
1 May 2020
Start date
8 Jun 2020
Primary completion date
17 Apr 2026
Lead sponsor
AbbVie
NCT number
NCT04379050
EudraCT number
2019-004235-23

What you commit to

  • Study type: Interventional · Phase 3
  • Participants enrolled: 130
  • From 8 Jun 2020 to the primary completion date, 17 Apr 2026
  • 51 sites in 13 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Other

  • \- Participants, if judged by the investigator to be unsuitable candidates to continue to receive ABBV-951 for any reason.

Who the study is looking for

  • Participants who have Parkinson's Disease and who have successfully completed the parent study M15-741.
  • Participants willing and able to comply with procedures required in the protocol.

Age in the registry: 30 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (51)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Duplicate_Royal Adelaide Hospital /ID# 215940
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AdelaideAustraliaUnknown status
Concord Repatriation General Hospital /ID# 215943
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ConcordAustraliaUnknown status
The Alfred Hospital /ID# 215942
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MelbourneAustraliaUnknown status
Perron Institute /ID# 215944
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NedlandsAustraliaUnknown status
Westmead Hospital /ID# 215941
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WestmeadAustraliaUnknown status
Duplicate_Algemeen Ziekenhuis Sint-Jan Brugge /ID# 215686
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BrugesBelgiumUnknown status
Universitair Ziekenhuis Leuven /ID# 215684
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LeuvenBelgiumUnknown status
Duplicate_Groupe Sante CHC - Clinique du MontLegia /ID# 215685
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LiègeBelgiumUnknown status
University of Calgary /ID# 215369
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CalgaryCanadaUnknown status
Clinique Neuro Levis /ID# 215371
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LévisCanadaUnknown status
Kliniken Beelitz GmbH /ID# 215403
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Beelitz-HeilstättenGermanyUnknown status
curiositas ad sanum /ID# 215404
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Haag i.OBGermanyUnknown status
Universitaetsklinikum Ulm /ID# 215405
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UlmGermanyUnknown status
Aarhus Universitetshospital - Skejby /ID# 215392
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AarhusDenmarkUnknown status
Bispebjerg and Frederiksberg Hospital /ID# 215391
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Copenhagen NVDenmarkUnknown status
Odense University Hospital /ID# 215390
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OdenseDenmarkUnknown status
Complejo Hospitalario Universitario A Coruña /ID# 215426
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A CoruñaSpainUnknown status
Hospital Santa Creu i Sant Pau /ID# 215429
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BarcelonaSpainUnknown status
Hospital General Universitario de Elche /ID# 215425
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ElcheSpainUnknown status
Hospital Universitario Virgen de las Nieves /ID# 215431
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GranadaSpainUnknown status
Hospital Universitari de Bellvitge /ID# 215427
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L'Hospitalet de LlobregatSpainUnknown status
Hospital Universitario Virgen del Rocio /ID# 215428
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SevilleSpainUnknown status
NHS Tayside /ID# 217389
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DundeeUnited KingdomUnknown status
Kings College Hospital NHS Foundation Trust /ID# 217388
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LondonUnited KingdomUnknown status
Derriford Hospital and the Royal Eye Infirmary /ID# 217390
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PlymouthUnited KingdomUnknown status
IRCCS Centro Neurolesi Bonino Pulejo /ID# 215422
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MessinaItalyUnknown status
Azienda Ospedale-Universita Padova /ID# 215421
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PadovaItalyUnknown status
National Hospital Organization Asahikawa Medical Center /ID# 218762
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Asahikawa-shiJapanUnknown status
National Center of Neurology and Psychiatry /ID# 218763
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Kodaira-shiJapanUnknown status
Duplicate_Osaka University Hospital /ID# 217415
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Suita-shiJapanUnknown status
St. Antonius Ziekenhuis, Locatie Utrecht /ID# 215396
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UtrechtNetherlandsUnknown status
Academician I.P. Pavlov First St. Petersburg State Medical University /ID# 218869
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Saint PetersburgRussiaUnknown status
City Clinical Hospital #40 /ID# 218870
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SestroretskRussiaUnknown status
Sahlgrenska Universitetssjukhuset /ID# 215387
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GothenburgSwedenUnknown status
Karolinska Universitetssjukhuset - Huddinge /ID# 215386
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HuddingeSwedenUnknown status
Skane University Hospital Lund /ID# 215385
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LundSwedenUnknown status
University of Colorado Hospital /ID# 215625
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AuroraUnited StatesUnknown status
University of Alabama at Birmingham - Main /ID# 215597
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BirminghamUnited StatesUnknown status
Parkinson's Disease and Movement Disorders Center of Boca Raton /ID# 215412
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Boca RatonUnited StatesUnknown status
Baylor College of Medicine /ID# 215401
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HoustonUnited StatesUnknown status
Indiana Clinical Research Cent /ID# 216490
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IndianapolisUnited StatesUnknown status
Univ Kansas Med Ctr /ID# 215624
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Kansas CityUnited StatesUnknown status
Booth Gardner Parkinson's Care Center /ID# 215535
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KirklandUnited StatesUnknown status
Dartmouth-Hitchcock Medical Center /ID# 216834
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LebanonUnited StatesUnknown status
Legacy Medical Group - Neurology /ID# 215536
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PortlandUnited StatesUnknown status
M3 Wake Research - Raleigh /ID# 215596
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RaleighUnited StatesUnknown status
Central Texas Neurology Consul /ID# 217013
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Round RockUnited StatesUnknown status
Univ Texas HSC San Antonio /ID# 215400
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San AntonioUnited StatesUnknown status
Inland Northwest Research /ID# 215533
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SpokaneUnited StatesUnknown status
Washington University-School of Medicine /ID# 215472
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St LouisUnited StatesUnknown status
Banner Sun Health Research Institute /ID# 215579
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Sun CityUnited StatesUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.