UMIN-CTR Clinical Trial
| Unique ID issued by UMIN | UMIN000025282 |
|---|---|
| Receipt number | R000029077 |
| Scientific Title | A randomized controlled study of the efficacy of Tadalafil monotherapy versus combination of Tadalafil and mirabegron for the treatment of overactive bladder (OAB) associated with benign prostatic hyperplasia (BPH) |
| Date of disclosure of the study information | 2016/12/15 |
| Last modified on | 2019/02/05 15:56:41 |
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Basic information
Public title
A randomized controlled study of the efficacy of Tadalafil monotherapy versus combination of Tadalafil and mirabegron for the treatment of overactive bladder (OAB) associated with benign prostatic hyperplasia (BPH)
Acronym
CONTACT Study
Scientific Title
A randomized controlled study of the efficacy of Tadalafil monotherapy versus combination of Tadalafil and mirabegron for the treatment of overactive bladder (OAB) associated with benign prostatic hyperplasia (BPH)
Scientific Title:Acronym
CONTACT Study
Region
| Japan |
Condition
Condition
Benign prostatic hyperplasia
Classification by specialty
| Urology |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
To evaluate the efficacy and safety of add-on treatment of mirabegron (50mg/day) for OAB /BPH patients who were not satisfied with tadalafil (5mg/day) monotherapy for 8 weeks or longer.
Basic objectives2
Safety,Efficacy
Basic objectives -Others
Trial characteristics_1
Trial characteristics_2
Developmental phase
Assessment
Primary outcomes
Change from baseline to end of treatment in overactive bladder symptom score (OABSS) total score.
Key secondary outcomes
1) Changes in OABSS subscore (daytime frequency, night-time frequency, urgency, urgent incontinence).
2) Changes in international prostate symptom score (IPSS) total score and subscore (void, storage, postvoid, QOL).
3) Change in National Institute of Health-Chronic Prostatitis Symptom Index (NIH-CPSI) total score and subscore (pain, urination, QOL).
4) Changes in the parameters in frequency volume chart (number of void/ 24 hour, number of night-time void, number of urgency episodes/24 hour, number of incontinence episodes/24 hour).
5) Changes in postvoid residual (PVR) volume.
6) Changes in urine volume, Qmax and Qave.
7) Frequency of adverse events.
Base
Study type
Interventional
Study design
Basic design
Parallel
Randomization
Randomized
Randomization unit
Individual
Blinding
Open -no one is blinded
Control
Active
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment
Intervention
No. of arms
2
Purpose of intervention
Treatment
Type of intervention
| Medicine |
Interventions/Control_1
Tadalafil monotherapy group: Group A
Tadalafil at the dose of 5mg is orally administered once daily after breakfast for 12 weeks.
Interventions/Control_2
Tadalafil/mirabegron combination therapy group: Group B
Tadalafil at the dose of 5mg and mirabegron at the dose of 50mg are orally administered once daily after breakfast for 12 weeks.
Interventions/Control_3
Interventions/Control_4
Interventions/Control_5
Interventions/Control_6
Interventions/Control_7
Interventions/Control_8
Interventions/Control_9
Interventions/Control_10
Eligibility
Age-lower limit
| 50 | years-old | <= |
Age-upper limit
| 90 | years-old | > |
Gender
Male
Key inclusion criteria
1) Male patients with BPH.
2) Patients who meet the following criteria even after administering tadalafil 5mg/day for more than 8 weeks:
OABSS total score >3
Urgency > once/week (OABSS urgency score >= 2)
3) Aged >=50 years and < 90 years
4) Patients who are able to give informed consent.
5) Patients from whom we have received written consent.
Key exclusion criteria
1) Patients with a history of hypersensitivity to tadalafil or mirabegron
2) Medication with anti-cholinergics, cholinergics,beta-agonists or antagonists, alpha-blocker and any other agents for treating pollakisuria/urinary incontinence during 8 weeks prior to the study. (Eligible if the medication was discontinued before tadalafil administration (before 8 weeks or more).5 alpha-reductase inhibitors or anti-androgen drugs can be included if they were administered > 6months and the patients had stable condition).
3) History or current condition of urinary retention or severe difficulty of urination
4) Patients with cancer in the part of lower urinary tract such as prostate or bladder, neurogenic bladder, urethra stricture, chronic bacterial prostatitis, symptomatic urinary tract infection, urinary tract stones and interstitial cystitis
5) Patients with serious cardiac disorder, serious cerebrovascular disease, serious liver dysfunction and serious kidney dysfunction
6) Qmax < 5 mL/sec
7) Postvoid residual volume (PVR) >150 mL
8) Any other patients who are regarded as unsuitable for this study by the investigator.
Target sample size
170
Research contact person
Name of lead principal investigator
| 1st name | |
| Middle name | |
| Last name | Tomonori Yamanishi |
Organization
Dokkyo Medical University
Division name
Department of Urology and Neurology, Continence Center
Zip code
Address
880 Kita-Kobayashi, Mibu-machi, Shimotsuga-gun, Tochigi 321-0293, JAPAN
TEL
0282-86-1111
yamanish@dokkyomed.ac.jp
Public contact
Name of contact person
| 1st name | |
| Middle name | |
| Last name | Tomonori Yamanishi |
Organization
Dokkyo Medical University
Division name
Department of Urology and Neurology, Continence Center
Zip code
Address
880 Kita-Kobayashi, Mibu-machi, Shimotsuga-gun, Tochigi 321-0293, JAPAN
TEL
0282-86-1111
Homepage URL
yamanish@dokkyomed.ac.jp
Sponsor or person
Institute
Clinical Research Support Center Kyushu
Institute
Department
Personal name
Funding Source
Organization
Astellas Pharma Inc.
Organization
Division
Category of Funding Organization
Profit organization
Nationality of Funding Organization
Japan
Other related organizations
Co-sponsor
Name of secondary funder(s)
IRB Contact (For public release)
Organization
Address
Tel
Secondary IDs
Secondary IDs
NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2
IND to MHLW
Institutions
Institutions
Other administrative information
Date of disclosure of the study information
| 2016 | Year | 12 | Month | 15 | Day |
Related information
URL releasing protocol
Publication of results
Unpublished
Result
URL related to results and publications
Number of participants that the trial has enrolled
Results
Results date posted
Results Delayed
Results Delay Reason
Date of the first journal publication of results
Baseline Characteristics
Participant flow
Adverse events
Outcome measures
Plan to share IPD
IPD sharing Plan description
Progress
Recruitment status
Completed
Date of protocol fixation
| 2016 | Year | 09 | Month | 01 | Day |
Date of IRB
Anticipated trial start date
| 2016 | Year | 12 | Month | 08 | Day |
Last follow-up date
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
Other
Other related information
Management information
Registered date
| 2016 | Year | 12 | Month | 15 | Day |
Last modified on
| 2019 | Year | 02 | Month | 05 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000029077
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| Registered date | File name |
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