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Tourette SyndromePhase 3NCT00681863

Open-label Extension Study of Pramipexole in the Treatment of Children and Adolescents With Tourette Syndrome

A Phase 3 study testing pramipexole 0.125 mg BID, pramipexole 0.0625 mg QD and pramipexole 0.125 mg TID in people with Tourette Syndrome, run by Boehringer Ingelheim at 14 sites in 2 countries.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

The primary objective of this open-label, flexible dose study is to assess the safety and efficacy of pramipexole over a 24-week period in children and adolescents (age 6-17 years inclusive) diagnosed with Tourette Syndrome according to Diagnostic and Statistical Manual of Mental Disorders, 4th Edition (DSM-IV)… Read more about this study

Who is it for?
Ages 6 to 17 years
Conditions the study is for
Tourette Syndrome
What is being tested?
pramipexole 0.125 mg BID, pramipexole 0.0625 mg QD and pramipexole 0.125 mg TID
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
45 participants
Where
14 sitesin 2 countries
Study dates
May 2008to Oct 2009
Phase
Phase 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 6 to 17 years
  • All sexes
  • No healthy volunteers
  • Child

Who may be able to join

  • Male or female patients aged 6-17 years at the time of enrollment into study 248.641 or 248.644 and who have completed study 248.641 or 248.644.
  • Written informed consent provided by the patient's parent (or legal guardian) and assent provided by the patient consistent with International Conference on Harmonization (ICH) Good Clinical Practice (GCP) and local Institutional Review Board (IRB) requirements for children obtained prior to any study procedures being performed.
  • Ability and willingness to comply with study treatment regimen and to complete study assessments.
  • Females of childbearing potential having a negative serum pregnancy test at Visit 1.
  • Females of childbearing potential must be using a medically accepted contraceptive method throughout the study. Acceptable methods of birth control are limited to: Intra-Uterine Device (IUD), oral, implantable, injectable contraceptives or estrogen patch, double barrier method (spermicide + diaphragm), or abstinence at the discretion of the investigator

Who cannot join

  • Breastfeeding females.
  • Development of any clinical condition in the preceding trial that in the investigator's opinion could be worsened by treatment with pramipexole.
  • Clinically significant renal disease or serum creatinine out of this range: 0.3 1.0 mg/dL for patients aged 3-12 years and 0.5-1.4 mg/dL for patients aged 13+ years.
  • Any of the following lab results at screening:
  • Hemoglobin (Hgb) below lower limit of normal (LLN) which is determined to be clinically significant Basal thyroid stimulating hormone (TSH), triiodothyronine (T3) or thyroxine (T4) clinically significant (at the investigator's discretion) out of normal range at screening (if not caused by substitution therapy according the investigator's opinion) Patients with any clinically significant abnormalities in laboratory parameters at screening at the investigator's discretion.
  • Other clinically significant metabolic-endocrine, hematological, gastrointestinal disease, or pulmonary disease (such as severe asthma) in the opinion of the investigator that would preclude the patient from participating in this study.
Show all 15Show fewer
  • History or presence of schizophrenia or any psychotic disorder. History or presence of any psychiatric disorder requiring medical therapy with the exception for patients with a diagnosis of Tourette Syndrome (TS), Attention Deficit Hyperactivity Disorder (ADHD) or Obsessive Compulsive Disorder (OCD) who are not on therapy other than pramipexole.
  • History or presence of clinical signs of epilepsy or seizures other than fever-related seizures in early childhood.
  • History or presence of clinical signs of any malignant neoplasm including suspicious undiagnosed skin lesion (which may be melanoma), melanoma, or a history of melanoma.
  • History of any other medical treatment for TS besides the study medication within 28 days prior to the baseline visit (14 days prior to baseline for guanfacine, 14 days prior to baseline for dopamine agonists, 14 days prior to baseline for L-Dopa, 35 days prior to baseline for fluoxetine).
  • Patients receiving psychotherapy are excluded unless they started the treatment at least 3 months prior to starting the trial and no changes in treatment are planned for the duration of the study.
  • Allergic response to pramipexole or the inactive ingredients in its tablet formulation.
  • Non-compliance with study medication (defined as less than 80% or more than 120%) during the preceding Study 248.641 or 248.644.
  • Concurrent participation in another clinical trial using any investigational drug since completion of the preceding Study 248.641 or 248.644.
  • Any other conditions, that in the opinion of the investigator, would interfere with the evaluation of the results or constitute a health hazard for the patient.

Trial locations and contacts

14 sites in 2 countries.

14 sites in 2 countries

United States13 sites
  • 248.642.0026 Boehringer Ingelheim Investigational Site

    Bradenton, Florida

  • 248.642.0005 Boehringer Ingelheim Investigational Site

    Cambridge, Massachusetts

  • 248.642.0006 Boehringer Ingelheim Investigational Site

    Columbus, Georgia

  • 248.642.0008 Boehringer Ingelheim Investigational Site

    Houston, Texas

  • 248.642.0003 Boehringer Ingelheim Investigational Site

    Manhasset, New York

  • 248.642.0030 Boehringer Ingelheim Investigational Site

    Memphis, Tennessee

  • 248.642.0009 Boehringer Ingelheim Investigational Site

    New York, New York

  • 248.642.0018 Boehringer Ingelheim Investigational Site

    New York, New York

  • 248.642.0023 Boehringer Ingelheim Investigational Site

    Norfolk, Virginia

  • 248.642.0029 Boehringer Ingelheim Investigational Site

    Oklahoma City, Oklahoma

  • 248.642.0013 Boehringer Ingelheim Investigational Site

    Orangeburg, New York

  • 248.642.0010 Boehringer Ingelheim Investigational Site

    Providence, Rhode Island

  • 248.642.0025 Boehringer Ingelheim Investigational Site

    Tampa, Florida

Other trials in United States

Germany1 site
  • 248.642.49004 Boehringer Ingelheim Investigational Site

    Ulm

Other trials in Germany

About this study

Official title: Open Label Extension Study With Pramipexole (PPX) in Children With Tourette Syndrome

The primary objective of this open-label, flexible dose study is to assess the safety and efficacy of pramipexole over a 24-week period in children and adolescents (age 6-17 years inclusive) diagnosed with Tourette Syndrome according to Diagnostic and Statistical Manual of Mental Disorders, 4th Edition (DSM-IV) criteria and who have completed either Study 248.641 (NCT 00681863) or 248.644 (NCT 00558467).

Being tested
pramipexole 0.125 mg BID, pramipexole 0.0625 mg QD, pramipexole 0.125 mg TID, pramipexole 0.25 mg BID, pramipexole 0.0625 mg BID
Medical subject headings
Tourette Syndrome

What participants receive

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

  • pramipexole 0.125 mg BIDDrug

    titrated dose for those patients whose symptoms were not controlled on the 0.0625 mg BID dose

  • pramipexole 0.0625 mg QDDrug

    dose down titrated for those patients unable to tolerate the 0.0625 mg BID dosing

  • pramipexole 0.125 mg TIDDrug

    titrated up for those patients whose symptoms were not adequately controlled on 0.125 mg BID dose

  • pramipexole 0.25 mg BIDDrug

    titrated for those patients whose symptoms were not adequately controlled on 0.125 mg TID dose

  • pramipexole 0.0625 mg BIDDrug

    0.0625 mg BID given for first 4 wks of treatment

Study groups in NCT00681863
Study groupRoleWhat they receive
pramipexole 0.0625 mg BID (twice daily)Active comparatorall patients to receive one tablet of pramipexole 0.0625 mg BID for first 4 weeks (flexible dosing for all other arms)
Receives: Drug: pramipexole 0.0625 mg BID
pramipexole 0.0625 mg QD (once daily)Active comparatorpatients to receive one tablet of pramipexole 0.0625 mg QD
Receives: Drug: pramipexole 0.0625 mg QD
pramipexole 0.125 mg BIDActive comparatorpatients to receive one tablet of pramipexole 0.125 mg BID
Receives: Drug: pramipexole 0.125 mg BID
pramipexole 0.125 mg TID (three times daily)Active comparatorpatients to receive one tablet of pramipexole 0.125 mg TID
Receives: Drug: pramipexole 0.125 mg TID
pramipexole 0.25 mg BIDActive comparatorpatients to receive one tablet of pramipexole 0.25 mg BID
Receives: Drug: pramipexole 0.25 mg BID

What is being measured

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

  1. Patients With Adverse Events Leading to Discontinuation of Trial Drug

    Number of patients with Adverse Events leading to discontinuation of trial drug

    Measured: 24 Weeks

Secondary outcomes (40)
  1. Mean Change From Baseline in Total Tic Score (TTS) of the Yale Global Tic Severity Scale

    Total Tic Score is the sum of ten individual ratings of the impairment due to tics. Each scale ranges from 0 (None/Absent) to 5 (Severe) and total score ranges from 0 to 50.

    Measured: baseline and week 24

  2. Mean Change From Baseline in Total Score of the Yale Global Tic Severity Scale

    Total Score is a rating of the overall impairment due to motor and phonic tics. The scale ranges from 0 (None) to 50 (Severe).

    Measured: baseline and Week 24 (end of treatment visit)

  3. Mean Change From Baseline in Total Tic Score (TTS) of the Yale Global Tic Severity Scale

    Total Tic Score is the sum of ten individual ratings of the impairment due to tics. Each scale ranges from 0 (None/Absent) to 5 (Severe) and total score ranges from 0 to 50.

    Measured: baseline and Week 1

  4. Mean Change From Baseline in Total Tic Score (TTS) of the Yale Global Tic Severity Scale

    Total Tic Score is the sum of ten individual ratings of the impairment due to tics. Each scale ranges from 0 (None/Absent) to 5 (Severe) and total score ranges from 0 to 50.

    Measured: baseline and Week 2

  5. Mean Change From Baseline in Total Tic Score (TTS) of the Yale Global Tic Severity Scale

    Total Tic Score is the sum of ten individual ratings of the impairment due to tics. Each scale ranges from 0 (None/Absent) to 5 (Severe) and total score ranges from 0 to 50.

    Measured: baseline and Week 3

  6. Mean Change From Baseline in Total Tic Score (TTS) of the Yale Global Tic Severity Scale

    Total Tic Score is the sum of ten individual ratings of the impairment due to tics. Each scale ranges from 0 (None/Absent) to 5 (Severe) and total score ranges from 0 to 50.

    Measured: baseline and week 4

  7. Mean Change From Baseline in Total Tic Score (TTS) of the Yale Global Tic Severity Scale

    Total Tic Score is the sum of ten individual ratings of the impairment due to tics. Each scale ranges from 0 (None/Absent) to 5 (Severe) and total score ranges from 0 to 50.

    Measured: baseline and Week 8

  8. Mean Change From Baseline in Total Tic Score (TTS) of the Yale Global Tic Severity Scale

    Total Tic Score is the sum of ten individual ratings of the impairment due to tics. Each scale ranges from 0 (None/Absent) to 5 (Severe) and total score ranges from 0 to 50.

    Measured: baseline and Week 12

  9. Mean Change From Baseline in Total Tic Score (TTS) of the Yale Global Tic Severity Scale

    Total Tic Score is the sum of ten individual ratings of the impairment due to tics. Each scale ranges from 0 (None/Absent) to 5 (Severe) and total score ranges from 0 to 50.

    Measured: baseline and Week 16

  10. Mean Change From Baseline in Total Tic Score (TTS) of the Yale Global Tic Severity Scale

    Total Tic Score is the sum of ten individual ratings of the impairment due to tics. Each scale ranges from 0 (None/Absent) to 5 (Severe) and total score ranges from 0 to 50.

    Measured: baseline and Week 20

  11. Mean Change From Baseline in Total Score of the Yale Global Tic Severity Scale

    Total Score is a rating of the overall impairment due to motor and phonic tics. The scale ranges from 0 (None) to 50 (Severe).

    Measured: baseline and Week 1

  12. Mean Change From Baseline in Total Score of the Yale Global Tic Severity Scale

    Total Score is a rating of the overall impairment due to motor and phonic tics. The scale ranges from 0 (None) to 50 (Severe).

    Measured: baseline and Week 2

  13. Mean Change From Baseline in Total Score of the Yale Global Tic Severity Scale

    Total Score is a rating of the overall impairment due to motor and phonic tics. The scale ranges from 0 (None) to 50 (Severe).

    Measured: baseline and Week 3

  14. Mean Change From Baseline in Total Score of the Yale Global Tic Severity Scale

    Total Score is a rating of the overall impairment due to motor and phonic tics. The scale ranges from 0 (None) to 50 (Severe).

    Measured: baseline and Week 4

  15. Mean Change From Baseline in Total Score of the Yale Global Tic Severity Scale

    Total Score is a rating of the overall impairment due to motor and phonic tics. The scale ranges from 0 (None) to 50 (Severe).

    Measured: baseline and Week 8

  16. Mean Change From Baseline in Total Score of the Yale Global Tic Severity Scale

    Total Score is a rating of the overall impairment due to motor and phonic tics. The scale ranges from 0 (None) to 50 (Severe).

    Measured: baseline and Week 12

  17. Mean Change From Baseline in Total Score of the Yale Global Tic Severity Scale

    Total Score is a rating of the overall impairment due to motor and phonic tics. The scale ranges from 0 (None) to 50 (Severe).

    Measured: baseline and Week 16

  18. Mean Change From Baseline in Total Score of the Yale Global Tic Severity Scale

    Total Score is a rating of the overall impairment due to motor and phonic tics. The scale ranges from 0 (None) to 50 (Severe).

    Measured: baseline and Week 20

  19. Mean Change From Baseline in Total Score of the Yale Global Tic Severity Scale

    Total Score is a rating of the overall impairment due to motor and phonic tics. The scale ranges from 0 (None) to 50 (Severe).

    Measured: baseline and Week 24

  20. Clinical Global Impressions - Severity of Illness

    Overall improvement during the last week compared to baseline ranging from 1 (very much improved), 2 (much improved), to 7 (very much worse). Responder has 'very much' or 'much' improvement. Non responder has less improvement than 'much' improvement.

    Measured: week 24

  21. Clinical Global Impressions - Severity of Illness, Categorized

    Assessment of the overall severity of illness on a scale ranging from 1 (not at all ill) to 7 (among the most extremely ill patients).

    Overall improvement during the last week compared to baseline ranging from 1 (very much improved), 2 (much improved), to 7 (very much worse). Responder has 'very much' or 'much' improvement. Non responder has less improvement than 'much' improvement.

    Measured: week 24

  22. Clinical Global Impressions - Improvement

    Assessment of the overall improvement during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much improved) to 7 (very much worse).

    Measured: week 1

  23. Clinical Global Impressions - Improvement

    Assessment of the overall improvement during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much improved) to 7 (very much worse).

    Measured: week 2

  24. Clinical Global Impressions - Improvement

    Assessment of the overall improvement during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much improved) to 7 (very much worse).

    Measured: week 3

  25. Clinical Global Impressions - Improvement

    Assessment of the overall improvement during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much improved) to 7 (very much worse).

    Measured: week 4

  26. Clinical Global Impressions - Improvement

    Assessment of the overall improvement during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much improved) to 7 (very much worse).

    Measured: week 8

  27. Clinical Global Impressions - Improvement

    Assessment of the overall improvement during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much improved) to 7 (very much worse).

    Measured: week 12

  28. Clinical Global Impressions - Improvement

    Assessment of the overall improvement during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much improved) to 7 (very much worse).

    Measured: week 16

  29. Clinical Global Impressions - Improvement

    Assessment of the overall improvement during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much improved) to 7 (very much worse).

    Measured: week 20

  30. Clinical Global Impressions - Improvement

    Assessment of the overall improvement during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much improved) to 7 (very much worse).

    Measured: week 24

  31. Patient Global Impression - Improvement

    Assessment of the change of the patient's overall condition during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much better) to 7 (very much worse). A responder is defined as having a response of very much (1) or much better (2).

    Measured: week 1

  32. Patient Global Impression - Improvement

    Assessment of the change of the patient's overall condition during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much better) to 7 (very much worse). A responder is defined as having a response of very much (1) or much better (2).

    Measured: week 2

  33. Patient Global Impression - Improvement

    Assessment of the change of the patient's overall condition during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much better) to 7 (very much worse). A responder is defined as having a response of very much (1) or much better (2).

    Measured: week 3

  34. Patient Global Impression - Improvement

    Assessment of the change of the patient's overall condition during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much better) to 7 (very much worse). A responder is defined as having a response of very much (1) or much better (2).

    Measured: week 4

  35. Patient Global Impression - Improvement

    Assessment of the change of the patient's overall condition during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much better) to 7 (very much worse). A responder is defined as having a response of very much (1) or much better (2).

    Measured: week 8

  36. Patient Global Impression - Improvement

    Assessment of the change of the patient's overall condition during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much better) to 7 (very much worse). A responder is defined as having a response of very much (1) or much better (2).

    Measured: week 12

  37. Patient Global Impression - Improvement

    Assessment of the change of the patient's overall condition during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much better) to 7 (very much worse). A responder is defined as having a response of very much (1) or much better (2).

    Measured: week 16

  38. Patient Global Impression - Improvement

    Assessment of the change of the patient's overall condition during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much better) to 7 (very much worse). A responder is defined as having a response of very much (1) or much better (2).

    Measured: week 20

  39. Patient Global Impression - Improvement

    Assessment of the change of the patient's overall condition during the last week compared to the patient's condition at baseline on a scale ranging from 1 (very much better) to 7 (very much worse). A responder is defined as having a response of very much (1) or much better (2).

    Measured: week 24

  40. Frequency of Patients With Possible Clinically Significant Abnormalities for Laboratory Parameters

    Frequency of patients with possible clinically significant abnormalities for laboratory parameters (blood hematology and electrolyte assessments, serum chemistry, including follicle-stimulating hormone (FSH), luteinizing hormone (LH) and estradiol for pubertal female patients, prolactin in all patients, testosterone in pubertal male patients, urine analysis)

    Measured: Baseline and 24 weeks

Timeline

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

  1. First posted21 May 2008 (estimated)
  2. Study startMay 2008
  3. Primary completionOct 2009

Why it stopped: Terminated for slow enrollment.

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
Non-randomised
Intervention model
Single group
Masking
None (open label)
Enrolment
45 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00681863
Sponsor's protocol ID
248.642
Other IDs
2008-000342-32, 2008
Status last verified
May 2014
First submitted
19 May 2008
Last updated
23 May 2014

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing pramipexole 0.125 mg BID, pramipexole 0.0625 mg QD and pramipexole 0.125 mg TID in people with Tourette Syndrome, run by Boehringer Ingelheim at 14 sites in 2 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 5 inclusion and 15 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: stopped early, as of the sponsor's last update on 23 May 2014. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 14 sites in United States, Germany. 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?

Yes. Results are posted in the registry (first posted 17 Dec 2010). 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?

Patients With Adverse Events Leading to Discontinuation of Trial Drug (time frame: 24 Weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 23 May 2014.

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