Parkinson's DiseasePhase 2/3NCT02337738
A Phase 2/3 Study of TVP-1012 at 0.5 mg or 1 mg in Levodopa Treated Parkinson's Disease Participants
A Phase 2/3 study testing TVP-1012 1mg and TVP-1012 0.5mg in people with Parkinson's Disease, run by Takeda at 57 sites in Japan.
Trial summary
The purpose of this study is to evaluate the efficacy and safety of TVP-1012 (0.5 mg or 1 mg/day) as an add-on to levodopa in Japanese participants with Parkinson's disease with wearing-off phenomenon. Read more about this study
- Who is it for?
- Ages 30 to 79 years
- Conditions the study is for
- Parkinson's Disease
- What is being tested?
- TVP-1012 1mg and TVP-1012 0.5mg
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 404 participants
- Where
- 57 sitesJapan
- Study dates
- 27 Jan 2015to 17 Sep 2016
- Phase
- Phase 2/3
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
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 79 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- In the opinion of the investigator or sub-investigator, the participant is capable of understanding and complying with protocol requirements.
- The participant signs and dates a written, informed consent form and any required privacy authorization prior to the initiation of any study procedures.
- The participant has a diagnosis of Parkinson's disease according to the diagnostic criteria of the UK Parkinson's Disease Society Brain Bank.
- The participant has Modified Hoehn \& Yahr stage 2 to 4 (in the "Off" state) at the start of the run-in period.
- The participant has wearing off phenomenon and has been continuously receiving a levodopa combination drug for >= 6 months prior to the start of the run-in period.
- The participant has been receiving a levodopa combination drug with a stable dose regimen (dosing frequency, at least 3 times a day) since the start of the run-in period.
Show all 12Show fewer
- For participants receiving eantacapone concomitantly,the participant has been receiving entacapone with a stable dose regimen from the start of the run-in period.
- For participants receiving a dopamine agonist, anticholinergic drug, amantadine, droxidopa, istradefylline, or zonisamide concomitantly, the participant has been receiving those drugs with a stable dose regimen since 14 days prior to the start of the run-in period.
- The participant is an outpatient of either sex aged >= 30 and < 80 years at the time of consent.
- A female participant of childbearing potential who is sexually active with a nonsterilized male partner agrees to use routinely adequate contraception from signing of informed consent to 1 month after the last dose of the investigational drug.
- The participant has completed patient diary for at least 4 of the 7 days preceding the study visit at the end of the run-in period.
- The participant has mean daily off-time of >= 2.5 hours at the end of the run-in period
Who cannot join
- The participant has received any investigational medication within 90 days prior to the start of the run-in period.
- The participant has received TVP-1012 in the past.
- The participant is a study site employee, an immediate family member, or in a dependent relationship with a study site employee who is involved in the conduct of this study (e.g., spouse, parent, child, sibling) or may consent under duress.
- Participant has donated 400 mL or more of his or her blood volume within 90 days prior to the start of the run-in period.
- The participant has unstable systemic disease.
- The participant has severe dyskinesia.
Show all 37Show fewer
- The participant has Mini-Mental State Examination (MMSE) score of <= 24 at the start of the run-in period.
- The participant has known or a history of schizophrenia, major or severe depression, or any other clinically significant psychiatric disease
- The participant has major depression or severe depression, or any other clinically significant psychiatric disease.
- The participant has a history of hypersensitivity or allergies to TVP-1012 (including any associated excipients) or selegiline.
- The participant has a history of clinically significant hypertension or other reactions associated with ingestion of tyramine-rich food (e.g., cheese, lever, herring, yeast, horsebean, banana, beer or wine).
- The participant has a history or concurrent of drug abuse or alcohol dependence.
- The participant has received neurosurgical intervention for Parkinson's disease (e.g., pallidotomy, thalamotomy, deep brain stimulation).
- The participant has received transcranial magnetic stimulation within 6 months prior to the start of the run-in period.
- The participant has received selegiline, pethidine, tramadol, reserpine or methyldopa within 90 days prior to the start of the run-in period.
- The participant has received single agent of levodopa, any psychoneurotic agent or antiemetic medication of dopamine antagonist within 14 days prior to the start of the run-in period. However, the participant has been receiving quetiapine or domperidone with a stable dose regimen for >= 14 days prior to the start of the run-in period may be included in the study.
- The participant is required to take any of the prohibited concomitant medications or treatments.
- If female, the participant is pregnant or lactating or intending to become pregnant during, or within 1 month after the last administration of study medication in this study; or intending to donate ova during such time period.
- The participant has clinically significant neurologic, cardiovascular, pulmonary, hepatic (including mild cirrhosis), renal, metabolic, gastrointestinal, urological, endocrine, or hematological disease.
- The participant has clinically significant or unstable brain or cardiovascular disease, such as:
- clinically significant arrhythmia or cardiac valvulopathy,
- heart failure of NYHA Class II or higher,
- concurrent or a history of ischemic cardiac disease within 6 months prior to the start of the run-in period,
- concurrent or a history of clinically significant cerebrovascular disease within 6 months prior to the stat of the run-in period,
- severe hypertension (systolic blood pressure of 180 mmHg or higher, or diastolic blood pressure of 110 mmHg or higher),
- clinically significant orthostatic hypotension (including those with diastolic pressure decrease of 30 mmHg or more following postural change from supine/sitting position to standing position), or
- a history of syncope due to hypotension within 2 years prior to the stat of the run-in period.
- The participant is required surgery or hospitalization for surgery during the study period.
- Participant has a history of cancer within 5 years prior to the start of the run-in period, except cervix carcinoma in situ which has completely cured.
- The participant has acquired immunodeficiency syndrome (AIDS) [including human immunodeficiency virus (HIV) carrier], or hepatitis [including viral hepatitis carrier such as hepatitis B surface (HBs) antigen or hepatitis C antibody (HCV) positive]. However, the participant who has a negative result for HCV antigen or HCV-RNA can be included in the study.
- The participant has laboratory data meeting any of the following at the start of the run-in period:
- Creatinine >= 2 x upper limit of normal (ULN)
- Total bilirubin >= 2 x ULN
- ALT or AST >= 1.5 x ULN
- ALP >= 3 x ULN
- The participant has received any of the prohibited concomitant medications or treatments during the run-in period.
- The participant who, in the opinion of the investigator or sub-investigator, is unsuitable for any other reason.
Trial locations and contacts
57 sites in 1 country.
57 sites in 1 country
Japan57 sites
Study site
Aizu-Wakamatsu, Fukushima
Study site
Akashi, Hyōgo
Study site
Akita
Study site
Aomori
Study site
Asahikawa, Hokkaido
Study site
Bunkyo-ku, Tokyo
Study site
Chiba
Study site
Fuchū, Tokyo
Study site
Fuji, Shizuoka
Study site
Fujioka, Gunma
Study site
Fujisawa, Kanagawa
Study site
Fukuoka
Study site
Fukushima
Study site
Gōshi, Kumamoto
Study site
Hamamatsu, Shizuoka
Study site
Higashiosaka, Osaka
Study site
Higashisonogi-gun, Nagasaki
Study site
Hirakata, Osaka
Study site
Hiroshima
Study site
Irima-gun, Saitama
Study site
Iwamizawa, Hokkaido
Study site
Izunokuni, Shizuoka
Study site
Jōetsu, Niigata
Study site
Kawasaki, Kanagawa
Study site
Kitakyushu, Fukuoka
Study site
Kobe, Hyōgo
Study site
Kodaira, Tokyo
Study site
Kyoto
Study site
Matsumoto, Nagano
Study site
Matsuyama, Ehime
Study site
Miyazaki
Study site
Morioka, Iwate
Study site
Nagoya, Aichi-ken
Study site
Nankoku, Kochi
Study site
Nerima-ku, Tokyo
Study site
Niigata
Study site
Okayama
Study site
Onoshiro, Fukuoka
Study site
Osaka
Study site
Ōta-ku, Tokyo
Study site
Sagamihara, Kanagawa
Study site
Sapporo, Hokkaido
Study site
Sendai, Miyagi
Study site
Setagaya-ku, Tokyo
Study site
Shibuya-ku, Tokyo
Study site
Shimono, Tochigi
Study site
Suita, Osaka
Study site
Takamatsu, Kagawa-ken
Study site
Takatsuki, Osaka
Study site
Tokushima
Study site
Touon, Ehime
Study site
Toyama
Study site
Toyonaka, Osaka
Study site
Tsukuba, Ibaragi
Study site
Wakayama
Study site
Yoshinogawa, Tokushima
Study site
Yufu, Oita Prefecture
About this study
Official title: A Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel Group, Phase 2/3 Study to Evaluate the Efficacy and Safety of TVP-1012 at 0.5 mg or 1 mg in Levodopa Treated Parkinson's Disease Patients With Wearing Off
The purpose of this study is to evaluate the efficacy and safety of TVP-1012 (0.5 mg or 1 mg/day) as an add-on to levodopa in Japanese participants with Parkinson's disease with wearing-off phenomenon.
Read the detailed description
This is a multicenter, randomized, double-blind, placebo-controlled, parallel group, phase 2/3 study to evaluate the efficacy and safety of TVP-1012 as an add-on to levodopa in Japanese participants with Parkinson's disease with wearing-off phenomenon.
The study period consisted of a 28-week trial period. The participants who fulfilled the inclusion criteria and did not meeting any of the exclusion criteria were enrolled, and randomized in a 1:1:1 ratio to the 0.5 mg of TVP-1012, the 1 mg of TVP-1012, or the placebo group. In each treatment group, participants received 0.5 mg of TVP-1012, 1 mg of TVP-1012, or placebo once daily in a double-blinded manner.
- Conditions
- Parkinson's Disease
- Being tested
- TVP-1012 1mg, TVP-1012 0.5mg, Placebo
- Medical subject headings
- Parkinson Disease
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
TVP-1012 1mgDrug
TVP-1012 1mg Tablets
TVP-1012 0.5mgDrug
TVP-1012 0.5mg Tablets
PlaceboDrug
Placebo Tablets
| Study group | Role | What they receive |
|---|---|---|
| TVP-1012 1mg | Experimental | TVP-1012 1 mg once daily orally, before or after breakfast, concomitantly with levodopa tablet for 26 weeks as treatment period after 2 weeks of run-in period. Receives: Drug: TVP-1012 1mg |
| TVP-1012 0.5mg | Experimental | TVP-1012 0.5 mg once daily orally, before or after breakfast, concomitantly with levodopa tablet for 26 weeks as treatment period after 2 weeks of run-in period. Receives: Drug: TVP-1012 0.5mg |
| Placebo | Placebo comparator | One placebo tablet once daily orally, before or after breakfast, concomitantly with levodopa tablet for 26 weeks as treatment period after 2 weeks of run-in period. Receives: Drug: Placebo |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change From Baseline in Mean Daily OFF-time During Treatment Period
Reported change from baseline during treatment period which was calculated as follows: Mean for a total of 21 days, consisting of three separate 7-day periods preceding the visits at Week 6, 14 and 26 of the treatment period - Mean for the 7 days preceding the visit at the end of the run-in period. Off-time refers to times when levodopa is not working well, causing worsening symptoms.
Measured: From Baseline to Week 26
Secondary outcomes (10)
Change From Baseline to Week 26 (LOCF) in Mean Daily OFF-time
Measured: Baseline and Week 26 (LOCF)
Change From Baseline in Movement Disorder Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part II Total Score
MDS-UPDRS retains the four-scale structure with a reorganization of the various subscale; (Part I; 13 items) non-motor experiences of daily living, (Part II; 13) motor experiences of daily living, (Part III; 34) motor examination, and (Part IV; 6) motor complications. Each items had 0-4 ratings, where 0 (normal) to 4 (severe) and score for each was summed to calculate the total scores. The scale range for Part II Total Score was 0-52, with higher scores reflecting greater severity.
Measured: Baseline and Week 26 (LOCF)
Change From Baseline in MDS-UPDRS Part III Total Score
MDS-UPDRS retains the four-scale structure with a reorganization of the various subscale; (Part I; 13 items) non-motor experiences of daily living, (Part II; 13) motor experiences of daily living, (Part III; 34) motor examination, and (Part IV; 6) motor complications. Each items had 0-4 ratings, where 0 (normal) to 4 (severe) and score for each was summed to calculate the total scores. The scale range for Part III Total Score was 0-136, with higher scores reflecting greater severity.
Measured: Baseline and Week 26 (LOCF)
Change From Baseline in Parkinson's Disease Questionnaire-39 (PDQ-39) Summary Index Score
PDQ-39 is a self-administered questionnaire. PDQ-39 comprises of 39 questions, relating to eight key areas (Mobility, Activities of Daily Living, Emotional Well-being, Stigma, Social Support, Cognitions, Communication, and Bodily Discomfort) of health and daily activities, including both Motor and Non-motor symptoms. It is scored on a scale of zero to 100, with lower scores indicating better health and high scores more severe symptoms.
Measured: Baseline and Week 26 (LOCF)
Change From Baseline in Parkinson's Disease Questionnaire-39 (PDQ-39) Each Domain Score
PDQ-39 is a self-administered questionnaire. PDQ-39 comprises of 39 questions, relating to eight key areas (Mobility, Activities of Daily Living, Emotional Well-being, Stigma, Social Support, Cognitions, Communication, and Bodily Discomfort) of health and daily activities, including both Motor and Non-motor symptoms. It is scored on a scale of zero to 100, with lower scores indicating better health and high scores more severe symptoms.
Measured: Baseline and Week 26 (LOCF)
Number of Participants Who Experience at Least One Treatment Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
Measured: Up to Week 26
Number of Participants With Markedly Abnormal Vital Signs Values
Measured: Up to Week 26
Number of Participants With TEAE Related to Body Weight (Weight Decreased)
Measured: Up to Week 26
Number of Participants With TEAE Related to Electrocardiograms (ECG) (Sinus Bradycardia)
Measured: Up to Week 26
Number of Participants With TEAE Related to Clinical Laboratory Tests
Measured: Up to Week 26
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted14 Jan 2015 (estimated)
- Study start27 Jan 2015
- Primary completion17 Sep 2016
- Study completion17 Sep 2016
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Parkinson's DiseaseStudies of the same condition, open and under way.
- More trials run by TakedaThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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 2/3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Quadruple blind
- Who is masked
- Participant, Care provider, Investigator, Outcomes assessor
- Enrolment
- 404 participants (actual)
Sponsor and investigators
- Lead sponsor
- Takeda
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Study Director, Study director, Takeda
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT02337738
- Sponsor's protocol ID
- TVP-1012/CCT-002
- Other IDs
- U1111-1165-1364, JapicCTI-152759
- Status last verified
- Feb 2022
- First submitted
- 9 Jan 2015
- Last updated
- 2 Mar 2022
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: Takeda provides access to the de-identified individual participant data (IPD) for eligible studies to aid qualified researchers in addressing legitimate scientific objectives (Takeda's data sharing commitment is available on https://clinicaltrials.takeda.com/takedas-commitment?commitment=5). These IPDs will be provided in a secure research environment following approval of a data sharing request, and under the terms of a data sharing agreement.
Publications
Hattori N, Takeda A, Hanya Y, Kitagawa T, Arai M, Furusawa Y, Mochizuki H, Nagai M, Takahashi R. Effects of rasagiline on Parkinson's Disease Questionnaire (PDQ-39) emotional well-being domain in patients with Parkinson's disease: A post-hoc analysis of clinical trials in Japan. PLoS One. 2022 Jan 25;17(1):e0262796. doi: 10.1371/journal.pone.0262796. eCollection 2022.
PubMed 35077474
Study at a glance
From the registry record, last updated by the sponsor on 2 Mar 2022. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel Group, Phase 2/3 Study to Evaluate the Efficacy and Safety of TVP-1012 at 0.5 mg or 1 mg in Levodopa Treated Parkinson's Disease Patients With Wearing Off
- ClinicalTrials.gov ID
- NCT02337738
- Acronym / sponsor ID
- TVP-1012/CCT-002
- Conditions
- Parkinson's Disease
- Phase
- Phase 2/3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 404 participants (actual)
- Lead sponsor
- TakedaIndustry (pharma, biotech, devices)
- Study start
- 27 Jan 2015 (actual)
- Primary completion
- 17 Sep 2016 (actual)
- Study completion
- 17 Sep 2016 (actual)
- First posted
- 14 Jan 2015 (estimated)
- Results
- Posted 28 Feb 2019
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study is to evaluate the efficacy and safety of TVP-1012 (0.5 mg or 1 mg/day) as an add-on to levodopa in Japanese participants with Parkinson's disease with wearing-off phenomenon.
Detailed description
This is a multicenter, randomized, double-blind, placebo-controlled, parallel group, phase 2/3 study to evaluate the efficacy and safety of TVP-1012 as an add-on to levodopa in Japanese participants with Parkinson's disease with wearing-off phenomenon.
The study period consisted of a 28-week trial period. The participants who fulfilled the inclusion criteria and did not meeting any of the exclusion criteria were enrolled, and randomized in a 1:1:1 ratio to the 0.5 mg of TVP-1012, the 1 mg of TVP-1012, or the placebo group. In each treatment group, participants received 0.5 mg of TVP-1012, 1 mg of TVP-1012, or placebo once daily in a double-blinded manner.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Quadruple blind (participant, care provider, investigator, outcomes assessor)
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| TVP-1012 1mg | Experimental | Drug: TVP-1012 1mgTVP-1012 1 mg once daily orally, before or after breakfast, concomitantly with levodopa tablet for 26 weeks as treatment period after 2 weeks of run-in period. |
| TVP-1012 0.5mg | Experimental | Drug: TVP-1012 0.5mgTVP-1012 0.5 mg once daily orally, before or after breakfast, concomitantly with levodopa tablet for 26 weeks as treatment period after 2 weeks of run-in period. |
| Placebo | Placebo comparator | Drug: PlaceboOne placebo tablet once daily orally, before or after breakfast, concomitantly with levodopa tablet for 26 weeks as treatment period after 2 weeks of run-in period. |
Who may qualify
- Ages
- 30 to 79 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (12 listed)
- In the opinion of the investigator or sub-investigator, the participant is capable of understanding and complying with protocol requirements.
- The participant signs and dates a written, informed consent form and any required privacy authorization prior to the initiation of any study procedures.
- The participant has a diagnosis of Parkinson's disease according to the diagnostic criteria of the UK Parkinson's Disease Society Brain Bank.
- The participant has Modified Hoehn \& Yahr stage 2 to 4 (in the "Off" state) at the start of the run-in period.
- The participant has wearing off phenomenon and has been continuously receiving a levodopa combination drug for >= 6 months prior to the start of the run-in period.
Key exclusion criteria (37 listed)
- The participant has received any investigational medication within 90 days prior to the start of the run-in period.
- The participant has received TVP-1012 in the past.
- The participant is a study site employee, an immediate family member, or in a dependent relationship with a study site employee who is involved in the conduct of this study (e.g., spouse, parent, child, sibling) or may consent under duress.
- Participant has donated 400 mL or more of his or her blood volume within 90 days prior to the start of the run-in period.
- The participant has unstable systemic disease.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| TVP-1012 1mgTVP-1012 1mg Tablets | Drug | TVP-1012 1mg |
| TVP-1012 0.5mgTVP-1012 0.5mg Tablets | Drug | TVP-1012 0.5mg |
| PlaceboPlacebo Tablets | Drug | Placebo |
Primary outcome
Change From Baseline in Mean Daily OFF-time During Treatment Period
Time frame: From Baseline to Week 26
Reported change from baseline during treatment period which was calculated as follows: Mean for a total of 21 days, consisting of three separate 7-day periods preceding the visits at Week 6, 14 and 26 of the treatment period - Mean for the 7 days preceding the visit at the end of the run-in period. Off-time refers to times when levodopa is not working well, causing worsening symptoms.
10 secondary outcomes
Change From Baseline to Week 26 (LOCF) in Mean Daily OFF-time
Time frame: Baseline and Week 26 (LOCF)
Change From Baseline in Movement Disorder Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part II Total Score
Time frame: Baseline and Week 26 (LOCF)
Change From Baseline in MDS-UPDRS Part III Total Score
Time frame: Baseline and Week 26 (LOCF)
Change From Baseline in Parkinson's Disease Questionnaire-39 (PDQ-39) Summary Index Score
Time frame: Baseline and Week 26 (LOCF)
Change From Baseline in Parkinson's Disease Questionnaire-39 (PDQ-39) Each Domain Score
Time frame: Baseline and Week 26 (LOCF)
Number of Participants Who Experience at Least One Treatment Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
Time frame: Up to Week 26
Number of Participants With Markedly Abnormal Vital Signs Values
Time frame: Up to Week 26
Number of Participants With TEAE Related to Body Weight (Weight Decreased)
Time frame: Up to Week 26
Number of Participants With TEAE Related to Electrocardiograms (ECG) (Sinus Bradycardia)
Time frame: Up to Week 26
Number of Participants With TEAE Related to Clinical Laboratory Tests
Time frame: Up to Week 26
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 2 Mar 2022.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Derived from this study: PubMed 35077474Hattori N, Takeda A, Hanya Y, Kitagawa T, Arai M, Furusawa Y, Mochizuki H, Nagai M, Takahashi R. Effects of rasagiline on Parkinson's Disease Questionnaire (PDQ-39) emotional well-being domain in patients with Parkinson's disease: A post-hoc analysis of clinical trials in Japan. PLoS One. 2022 Jan 25;17(1):e0262796. doi: 10.1371/journal.pone.0262796. eCollection 2022.
- Individual participant dataSharing planned: Yes. Takeda provides access to the de-identified individual participant data (IPD) for eligible studies to aid qualified researchers in addressing legitimate scientific objectives (Takeda's data sharing commitment is available on https://clinicaltrials.takeda.com/takedas-commitment?commitment=5). These IPDs will be provided in a secure research environment following approval of a data sharing request, and under the terms of a data sharing agreement.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Study Director study director
Takeda
57 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2/3 study testing TVP-1012 1mg and TVP-1012 0.5mg in people with Parkinson's Disease, run by Takeda at 57 sites in Japan.
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 12 inclusion and 37 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 2 Mar 2022. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 57 sites in Japan. 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. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this combined phase mean?
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
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?
Yes. Results are posted in the registry (first posted 28 Feb 2019). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
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?
Change From Baseline in Mean Daily OFF-time During Treatment Period (time frame: From Baseline to Week 26). 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 NCT02337738, 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 2 Mar 2022.