Pridopidine Phase 3 Study in Huntington's Disease (PRECISE-HD)
A Phase 3, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy and Safety of Pridopidine in Participants With Huntington's Disease (HD)
The goal of this clinical trial is to learn if pridopidine can slow the clinical decline of Huntington's Disease (HD) in adult participants. It will also inform about the safety of pridopidine.
The main questions the study aims to answer are:
Does pridopidine slow the overall worsening of HD over 1 year? Does pridopidine slow the worsening of specific aspects of HD over 1 year, namely the clinical progression, the ability to perform daily life activities (functional capacity), the mind's ability to process information (cognition), working of the muscles (motor function), and quality of life?
Researchers will compare the drug pridopidine to a placebo (a look-alike substance that contains no drug) to see if pridopidine works better than placebo to treat HD. During the first year of the study, participants will have the same chance to receive either pridopidine or placebo.
Participants will:
Take 1 pridopidine or placebo capsule twice daily for 12 months. Visit the clinic 6 times within 1 year for checkups and tests.
All participants who complete this 1-year placebo-controlled study period will roll over into an additional 2-year study period during which all participants will receive pridopidine treatment, including participants who had received placebo during the first year. During this additional 2-year treatment period participants will visit the clinic a total of 6 times for checkups and tests.
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
This Phase 3 study consists of two study periods, a randomized, double-blind, placebo-controlled 1-year study period and a 2-year open-label extension (OLE) period. The study assesses the effect of pridopidine 45 mg twice daily on HD in participants who are not using antidopaminergic medications (ADMs) at study start. Main objectives of the study will be to assess the effect of pridopidine on clinical progression of HD within 1 year and to evaluate the effect of pridopidine on functional capacity, cognition, motor function, quality of life (QoL), and speech in participants with HD within 1 year.
The target population in this study are adult participants (age 23-65, inclusive) with adult-onset HD (onset of signs and symptoms and a diagnosis ≥21 years of age). Eligible participants have not been using ADMs for at least 6 months prior to the screening visit. In case ADM treatment is deemed necessary by the treating physician during the study, specific ADMs and doses may be initiated. Female participants who are pregnant, planning to become pregnant or breastfeeding are not allowed to enter the study.
The treatment period will start with a 2-week titration period of once-daily treatment (1 capsule of pridopidine or placebo taken orally in the morning). From Day 15 onwards, all participants will take the study drug twice daily: in the morning and in the afternoon. Treatment will continue for an additional 50 weeks.
The placebo-controlled study period includes 6 in-clinic visits and 5 telephone visits (safety calls) during the 1-year treatment period.
The placebo-controlled study period will be followed by a 2-year OLE period. During the OLE period, all eligible participants will receive pridopidine. The OLE will consist of a 2-year treatment period, including an initial 2-week (re)titration period for all participants at pridopidine once daily and a maintenance period of 102 weeks with pridopidine twice daily. The blinding of the original treatment assignment will be maintained for all participants and study personnel during the OLE period.
A total of 6 in-clinic visits and 6 telephone visits (safety calls) are planned during the 2-year OLE period.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Anslået)
Tilmelding
Fase
Fase
- Fase 3
Kontakter og lokationer
Studiekontakt
Studiekontakt
- Navn: Prilenia Medical Information
- Telefonnummer: 018575745755
- E-mail: MedInfo@prilenia.com
Studiesteder
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Anderlecht, Belgien
- Ikke rekrutterer endnu
- Hopital Erasme
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Woluwe-Saint-Lambert, Belgien
- Ikke rekrutterer endnu
- Cliniques universitaires Saint-Luc
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Alberta
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Calgary, Alberta, Canada
- Ikke rekrutterer endnu
- University Of Calgary
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Edmonton, Alberta, Canada
- Ikke rekrutterer endnu
- University of Alberta
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British Columbia
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Vancouver, British Columbia, Canada
- Ikke rekrutterer endnu
- University of British Columbia
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Ontario
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Toronto, Ontario, Canada
- Ikke rekrutterer endnu
- North York General Hospital
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Quebec
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Montreal, Quebec, Canada
- Ikke rekrutterer endnu
- Centre hospitalier de l'Université de Montréal (CHUM)
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Aberdeen, Det Forenede Kongerige
- Ikke rekrutterer endnu
- NHS Grampian
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Birmingham, Det Forenede Kongerige
- Ikke rekrutterer endnu
- Birmingham and Solihull Mental Health Foundation NHS Trust
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Cardiff, Det Forenede Kongerige
- Ikke rekrutterer endnu
- Cardiff University
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Liverpool, Det Forenede Kongerige
- Ikke rekrutterer endnu
- The Walton Centre NHS Foundation Trust
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Newcastle upon Tyne, Det Forenede Kongerige
- Ikke rekrutterer endnu
- CNTW NHS Foundation Trust
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Alabama
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Birmingham, Alabama, Forenede Stater, 35294
- Ikke rekrutterer endnu
- The University of Alabama at Birmingham
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California
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La Jolla, California, Forenede Stater, 92037
- Rekruttering
- University of California, San Diego
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Kontakt:
- Alex Scott
- Telefonnummer: 858-249-0569
- E-mail: als074@health.ucsd.edu
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Los Angeles, California, Forenede Stater, 90095
- Ikke rekrutterer endnu
- UCLA Medical Center
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Sacramento, California, Forenede Stater, 95817
- Ikke rekrutterer endnu
- UC Davis Medical Center
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District of Columbia
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Washington D.C., District of Columbia, Forenede Stater, 20007
- Ikke rekrutterer endnu
- Georgetown University
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Florida
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Boca Raton, Florida, Forenede Stater, 33486
- Ikke rekrutterer endnu
- University of Miami-U Health Boca Raton
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Gainesville, Florida, Forenede Stater, 32608
- Ikke rekrutterer endnu
- University of Florida (Norman Fixel Institute for Neurological Diseases)
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Illinois
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Chicago, Illinois, Forenede Stater, 60611
- Ikke rekrutterer endnu
- Northwestern University
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Chicago, Illinois, Forenede Stater, 60612
- Ikke rekrutterer endnu
- Rush University Medical Center
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Kansas
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Kansas City, Kansas, Forenede Stater, 66103
- Ikke rekrutterer endnu
- University of Kansas Medical Center
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Wichita, Kansas, Forenede Stater, 67226
- Rekruttering
- Hereditary Neurological Disease Centre
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Kontakt:
- Gregory Suter
- Telefonnummer: 316-609-3020
- E-mail: gregory@hndcentre.com
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Maryland
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Baltimore, Maryland, Forenede Stater, 60612
- Ikke rekrutterer endnu
- Johns Hopkins University
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Massachusetts
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Charlestown, Massachusetts, Forenede Stater, 02129
- Ikke rekrutterer endnu
- Massachusetts General Hospital
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Minnesota
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Golden Valley, Minnesota, Forenede Stater, 55427
- Ikke rekrutterer endnu
- Struthers Parkinson's Center / Health Partners Institute
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New York
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New York, New York, Forenede Stater, 10032
- Ikke rekrutterer endnu
- Columbia University
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North Carolina
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Durham, North Carolina, Forenede Stater, 27705
- Ikke rekrutterer endnu
- Duke University
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Ohio
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Cincinnati, Ohio, Forenede Stater, 45219
- Ikke rekrutterer endnu
- University of Cincinnati
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Cleveland, Ohio, Forenede Stater, 44195
- Ikke rekrutterer endnu
- Cleveland Clinic
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Columbus, Ohio, Forenede Stater, 43221
- Rekruttering
- The Ohio State University
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Oregon
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Portland, Oregon, Forenede Stater, 97239
- Ikke rekrutterer endnu
- Oregon Health and Science University (OHSU)
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Tennessee
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Nashville, Tennessee, Forenede Stater, 37212
- Rekruttering
- Vanderbilt University Medical Center
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Texas
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Houston, Texas, Forenede Stater, 77030
- Ikke rekrutterer endnu
- UT Health, Houston, McGovern Medical School
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Vermont
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Burlington, Vermont, Forenede Stater, 05401
- Ikke rekrutterer endnu
- University of Vermont Medical Center
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Washington
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Kirkland, Washington, Forenede Stater, 98034
- Ikke rekrutterer endnu
- EvergreenHealth Research Department
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Seattle, Washington, Forenede Stater, 98195
- Rekruttering
- University of Washington
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Angers, Frankrig
- Ikke rekrutterer endnu
- Centre Hospitalier Universitaire d'Angers
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Créteil, Frankrig
- Ikke rekrutterer endnu
- CHU Henri Mondor (APHP)
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La Tronche, Frankrig
- Ikke rekrutterer endnu
- Centre Hospitalier Universitaire Grenoble Alpes
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Marseille, Frankrig
- Ikke rekrutterer endnu
- Centre Hospitalier Regional De Marseille
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Leiden, Holland
- Ikke rekrutterer endnu
- Leids Universitair Medisch Centrum (LUMC)
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Bologna, Italien
- Ikke rekrutterer endnu
- Azienda Unita Sanitaria Locale Di Bologna
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Milan, Italien
- Ikke rekrutterer endnu
- IRCCS Istituto Auxologico Italiano
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Naples, Italien
- Ikke rekrutterer endnu
- Azienda Ospedaliera Universitaria Federico II di Napoli
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Padova, Italien
- Ikke rekrutterer endnu
- Azienda Ospedale Università di Padova
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Roma, Italien
- Ikke rekrutterer endnu
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
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San Giovanni Rotondo, Italien
- Ikke rekrutterer endnu
- Casa Sollievo Della Sofferenza
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Krakow, Polen
- Ikke rekrutterer endnu
- Krakowska Akademia Neurologii Sp. z o.o.
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Warsaw, Polen
- Ikke rekrutterer endnu
- Wojskowy Instytut Medycyny Lotniczej
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Coimbra, Portugal
- Ikke rekrutterer endnu
- Unidade Local De Saude De Coimbra E.P.E
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Lisbon, Portugal
- Ikke rekrutterer endnu
- Unidade Local De Saude De Santa Maria E.P.E.
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Porto, Portugal
- Ikke rekrutterer endnu
- Unidade Local De Saude De Santo Antonio E.P.E.
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Torres Vedras, Portugal
- Ikke rekrutterer endnu
- CNS Saude Lda.
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Barakaldo, Spanien
- Ikke rekrutterer endnu
- Hospital Universitario de Cruces
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Barcelona, Spanien
- Ikke rekrutterer endnu
- Hospital de La Santa Creu i Sant Pau
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Madrid, Spanien
- Ikke rekrutterer endnu
- Hospital Universitario Ramon y Cajal
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Oviedo, Spanien
- Ikke rekrutterer endnu
- Hospital Universitario Central de Asturias
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Seville, Spanien
- Ikke rekrutterer endnu
- Hospital Universitario Virgen del Rocío
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Prague, Tjekkiet
- Ikke rekrutterer endnu
- Vseobecna fakultni nemocnice v Praze
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Aachen, Tyskland
- Ikke rekrutterer endnu
- Universitaetsklinikum Aachen AöR
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Bochum, Tyskland
- Ikke rekrutterer endnu
- Katholisches Klinikum Bochum gGmbH
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Erlangen, Tyskland
- Ikke rekrutterer endnu
- Universitätsklinikum Erlangen
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Münster, Tyskland
- Ikke rekrutterer endnu
- George-Huntington-Institut GmbH
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Taufkirchen, Tyskland
- Ikke rekrutterer endnu
- Isar Amper Klinikum
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Ulm, Tyskland
- Ikke rekrutterer endnu
- Universitaetsklinikum Ulm AöR
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Beskrivelse
Inclusion Criteria:
- Adult-onset HD (onset of signs and symptoms and a clinical diagnosis at ≥21 years of age).
- A diagnosis based on clinical features and the presence of ≥40 CAG repeats in the huntingtin (HTT) gene confirmed by historical laboratory quanitified results or by a diagnostic test at Screening.
- Diagnostic confidence level (DCL) of 4 (DCL=4 unequivocal motor signs, ≥99% confidence) on the standardized motor exam Total Motor Score (TMS).
- Total Functional Capacity (TFC) score of ≥7 at Screening and Baseline.
- Cytosine-Adenine-Guanine (CAG)-Age Product (CAP)100 score ≥95 at Screening.
- Independence Scale (IS) score ≤90% at Screening.
- Total Motor Score (TMS) of ≥20 at Screening and Baseline.
- Not using ADMs (VMAT2i and neuroleptics/antipsychotics) for at least 6 months prior to Screening visit. Importantly, it is not encouraged to discontinue the participants' ADM treatment solely for enrollment in the current trial.
Exclusion Criteria:
- Clinically significant cardiovascular disease (e.g. QTcF >450 msec [males] or >470 msec [females], arrhythmias, uncontrolled atrial fibrillation, or congenital long QT syndrome), seizure history ≤5 years, significant neurological disorders (e.g. intracranial pathology or cerebrovascular events), active/recent malignancy (unless localized and resolved), or any serious or uncontrolled systemic disease (e.g. hepatic, renal, respiratory, endocrine, infectious [HBV, HCV, HIV], or psychiatric) that may pose safety risk or interfere with participation.
- Severe hepatic or renal impairment.
- Any mutant huntingtin (mHTT) lowering therapy in the past year.
- Medications that prolong QT interval, taken within 4 weeks of the baseline visit.
- Use of pridopidine within 6 weeks or 5 half-lives before the screening visit.
- Previous participation in intracranial gene therapy study.
- Laboratory values that fall outside of the central laboratory's reference range at Screening and are considered clinically significantly abnormal by the Investigator and affect the participant's suitability to participate in the study or put the participant at risk if he/she enters the study in the Investigator's opinion.
- Female participants who are pregnant, planning to become pregnant or breastfeeding.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Firedobbelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: Pridopidine
During the titration period (2 weeks), pridopidine 45 mg capsules will be taken orally once daily (in the morning) for 2 weeks.
Afterwards, pridopidine 45 mg capsules will be taken orally twice daily (in the morning and in the afternoon; 7-10 hours apart) for 50 weeks.
|
Pridopidin hård gelatinekapsel
|
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Placebo komparator: Placebo
During the titration period (2 weeks), matched placebo hard gelatin capsules will be taken once daily (in the morning) for 2 weeks.
Afterwards, placebo capsules will be taken twice daily (in the morning and in the afternoon; 7-10 hours apart) for 50 weeks.
|
Matched placebo hard gelatin capsule
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Change in Composite Unified Huntington's Disease Rating Scale (cUHDRS)
Tidsramme: Change from Baseline to Week 52
|
cUHDRS is a combined score to assess disease progression in HD. It includes TFC, TMS, SDMT, and SWR: Total Functional Capacity (TFC) tests the capacity to maintain daily living, finances, care level, occupation. Higher score = better outcome. Best score=13. Worst score=0. Total Motor Score (TMS) assesses motor features (oculomotor, dysarthria, chorea, dystonia, gait, postural stability). Higher score = worse outcome. Best score=0. Worst score= 124. Stroop Word Reading (SWR) measures attention and mental flexibility. Participant reads names of colors printed in black ink. Scores reflect correct responses in 45 sec. Higher score = better outcome. Best score=100. Worst score=0. Symbol Digit Modalities Test (SDMT) tests psychomotor speed and working memory. Participant has 90 sec to match numbers with symbols. Scores = correct answers in 90 sec. Higher score = better outcome. Best score=120. Worst score=0. Total integrated cUHDRS scale range: -7.6 to 24.8. The higher, the better. |
Change from Baseline to Week 52
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Change in Total Functional Capacity (TFC) score
Tidsramme: Change from Baseline to Week 52
|
Total Functional Capacity (TFC) tests the capacity to maintain domestic chores, activities of daily living, finances, care level, and occupation.
Scores from 0 - 13. Higher score = better outcome.
|
Change from Baseline to Week 52
|
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Change in Quantitative Motor (Q-Motor) Finger Tapping Inter-Onset Interval (FT-IOI) mean
Tidsramme: Change from Baseline to Week 52
|
Quantitative (Q)-motor is a clinical assessment of fine motor skills that are crucial for daily activities.
It is based on the application of pre-calibrated and temperature-controlled force transducers and 3-dimensional position sensors.
Higher score = worse outcome.
|
Change from Baseline to Week 52
|
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Change in Stroop Word Reading (SWR) score
Tidsramme: Change from Baseline to Week 52
|
Stroop Word Reading (SWR) measures attention and mental flexibility.
Participant reads names of colors printed in black ink.
Scores reflect correct responses in 45 sec.
Higher score = better outcome.
|
Change from Baseline to Week 52
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Samarbejdspartnere
Samarbejdspartnere
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Anslået)
Primær færdiggørelse
Studieafslutning (Anslået)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
- Hjernesygdomme
- Sygdomme i centralnervesystemet
- Sygdomme i nervesystemet
- Psykiske lidelser
- Genetiske sygdomme, medfødte
- Neurokognitive lidelser
- Kognitionsforstyrrelser
- Demens
- Neurodegenerative sygdomme
- Bevægelsesforstyrrelser
- Heredodegenerative lidelser, nervesystem
- Basal Ganglia Sygdomme
- Dyskinesier
- Chorea
- Medfødte, arvelige og neonatale sygdomme og abnormiteter
- Huntingtons sygdom
- pridopidin
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- PL101-HD302/ FNP253-CT-2502
- 2026-526093-16-00 (Ctis)
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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