Prostatic HyperplasiaPhase 1NCT00609596
A Study To Compare 3 Different Formulations Of Tamsulosin At Steady State.
A Phase 1 study testing GI198745 in people with Prostatic Hyperplasia, run by GlaxoSmithKline at 1 site in United States.
Trial summary
Dutasteride and tamsulosin are to treat benign prostatic hyperplasia. Studies show that when given together, there is more improvement in symptoms than either drug alone. In this study, we are looking to see if 2 different formulations of tamsulosin in our combination capsules are the same after 7 days of dosing as… Read more about this study
- Who is it for?
- Ages 18 to 45 years, men onlyHealthy volunteers can take part
- Conditions the study is for
- Prostatic Hyperplasia
- What is being tested?
- GI198745
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 24 participants
- Where
- 1 siteUnited States
- Study dates
- 26 Feb 2008to 23 Apr 2008
- Phase
- Phase 1
- Are there results?
- None posted in the registry
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 18 to 45 years
- Men only
- Healthy volunteers accepted
- Adult
Who may be able to join
- Healthy as determined by a responsible physician, based on a medical evaluation including medical history, physical examination, laboratory tests and cardiac monitoring. A subject with a clinical abnormality or laboratory parameters outside the reference range for the population being studied may be included only if the Investigator and the GSK Medical Monitor agree that the finding is unlikely to introduce additional risk factors and will not interfere with the study procedures. Subjects with orthostasis at screening should be excluded from enrollment.
- Males between 18 and 45 years of age (inclusive).
- Male subjects must agree to use one of the contraception methods. This criterion must be followed from the time of the first dose of study medication until follow-up from the study.
- Body weight </ 55 kg and BMI within the range 19.0 - 30.0 kg/m2 (inclusive).
- Capable of giving written informed consent, which includes compliance with the requirements and restrictions listed in the consent form.
- QTcB or QTcF < 450 msec.
- Subjects must agree not to donate blood and blood products for 6 months after the last dose of study medication.
Who cannot join
- The subject has a positive pre-study drug/alcohol screen. A minimum list of drugs that will be screened for include amphetamines, barbiturates, cocaine, opiates, cannabinoids and benzodiazepines.
- Slow metabolizer for CYP2D6 as determined by screening PGx analysis.
- A positive pre-study Hepatitis B surface antigen or positive Hepatitis C antibody result within 3 months of screening.
- A positive test for HIV antibody.
- History of regular alcohol consumption within 6 months of the study defined as:
- An average weekly intake of >14 drinks/week. One drink is equivalent to: 12 g alcohol = 5 ounces (150 mL) of wine or 12 ounces (360 mL) of beer or 1.5 ounces (45 mL) of 80 proof distilled spirits.
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- The subject has participated in a clinical trial and has received an investigational product within the following time period prior to the first dosing day in the current study: 30 days, 5 half-lives or twice the duration of the biological effect of the investigational product (whichever is longer).
- Exposure to more than four new chemical entities within 12 months prior to the first dosing day.
- Use of prescription or non-prescription drugs, including vitamins, herbal and dietary supplements (including St John's Wort) within 7 days (or 14 days if the drug is a potential enzyme inducer) or 5 half-lives (whichever is longer) prior to the first dose of study medication and until collection of the final PK sample from the study, unless in the opinion of the Investigator and GSK Medical Monitor the medication will not interfere with the study procedures or compromise subject safety.
- History of sensitivity to any of the study medications, or components thereof, including sulfonamides, or a history of drug or other allergy that, in the opinion of the investigator or GSK Medical Monitor, contraindicates their participation.
- History of postural hypotension, dizziness, poor hydration, vertigo, vaso-vagal reactions or any other signs and symptoms of orthostasis, which in the opinion of the investigator could be exacerbated by tamsulosin and result in putting the subject at risk of injury.
- Orthostatic hypotension at screening, defined as a reduction in systolic blood pressure of 20 mmHg or more and/or a reduction in diastolic blood pressure of 10 mmHg or more for standing vs. supine measurements.
- Where participation in the study would result in donation of blood or blood products in excess of 500 mL within a 56 day period.
- Unwillingness or inability to follow the procedures outlined in the protocol.
- History of sensitivity to heparin or heparin-induced thrombocytopenia.
- Consumption of red wine, seville oranges, grapefruit, grapefruit juice or cruciferous vegetables (watercress, broccoli, cabbage, Brussels sprouts) from 7 days prior to the first dose of study medication and until collection of the final PK sample in the study.
Trial locations and contacts
1 site in 1 country.
About this study
Official title: An Open Label, Randomized, Repeat Dose, 3 Period Crossover Study to Determine the Bioequivalence of 3 Different Formulations of Tamsulosin at Steady State in Healthy Male Volunteers
Dutasteride and tamsulosin are to treat benign prostatic hyperplasia. Studies show that when given together, there is more improvement in symptoms than either drug alone. In this study, we are looking to see if 2 different formulations of tamsulosin in our combination capsules are the same after 7 days of dosing as the US commercial tamsulosin and dutasteride.
- Conditions
- Prostatic Hyperplasia
- Being tested
- GI198745
- Keywords
- dutasteride, tamsulosin, benign prostatic hyperplasia
- Medical subject headings
- Prostatic Hyperplasia
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
GI198745Drug
| Study group | Role | What they receive |
|---|---|---|
| Arm 1 | Other | Not described Receives: Drug: GI198745 |
What is being measured
The primary outcome is the main question the study is designed to answer.
PK at 0,1,2,3,4,5,6,7,8,10,12,16,24,36,48,72
Secondary outcomes (5)
Clinical safety labs
Measured: at check in
measurement of orthostatic hypotension
Measured: at 6 hours post dose on days 1 and 7
adverse event reporting
C(tau) (pre-dose concentrations determined immediately before a dose at steady state), t1/2, tmax, lambda, Cmin and fluctuation [(Cmax - Cmin)/(AUC(0-24)/24)] of tamsulosin, as data permit.
Safety and tolerability of all treatments as assessed by blood pressure and pulse rate measurements, adverse events and clinical laboratory safety tests.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted7 Feb 2008 (estimated)
- Study start26 Feb 2008
- Primary completion23 Apr 2008
- Study completion23 Apr 2008
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Prostatic HyperplasiaStudies of the same condition, open and under way.
- More trials run by GlaxoSmithKlineThe 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 1
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- None (open label)
- Enrolment
- 24 participants (actual)
Sponsor and investigators
- Lead sponsor
- GlaxoSmithKline
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- GSK Clinical Trials, Study director, GlaxoSmithKline
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00609596
- Sponsor's protocol ID
- ARI111402
- Status last verified
- Aug 2017
- First submitted
- 25 Jan 2008
- Last updated
- 4 Aug 2017
- Results posted
- No
- Data monitoring committee
- No
- Individual data sharing
- Yes: Patient-level data for this study will be made available through www.clinicalstudydatarequest.com following the timelines and process described on this site.
Publications
Cai G, Thiessen JJ, Baidoo CA, Fossler MJ. Operating characteristics of a partial-block randomized crossover bioequivalence study for dutasteride, a drug with a long half-life: investigation through simulation and comparison with final results. J Clin Pharmacol. 2010 Oct;50(10):1142-50. doi: 10.1177/0091270009355155. Epub 2010 Feb 16.
PubMed 20160156
Study at a glance
From the registry record, last updated by the sponsor on 4 Aug 2017. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- An Open Label, Randomized, Repeat Dose, 3 Period Crossover Study to Determine the Bioequivalence of 3 Different Formulations of Tamsulosin at Steady State in Healthy Male Volunteers
- ClinicalTrials.gov ID
- NCT00609596
- Acronym / sponsor ID
- ARI111402
- Conditions
- Prostatic Hyperplasia
- Keywords
- dutasteride, tamsulosin, benign prostatic hyperplasia
- Phase
- Phase 1
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 24 participants (actual)
- Lead sponsor
- GlaxoSmithKlineIndustry (pharma, biotech, devices)
- Study start
- 26 Feb 2008 (actual)
- Primary completion
- 23 Apr 2008 (actual)
- Study completion
- 23 Apr 2008 (actual)
- First posted
- 7 Feb 2008 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Dutasteride and tamsulosin are to treat benign prostatic hyperplasia. Studies show that when given together, there is more improvement in symptoms than either drug alone. In this study, we are looking to see if 2 different formulations of tamsulosin in our combination capsules are the same after 7 days of dosing as the US commercial tamsulosin and dutasteride.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Arm 1 | Other | Drug: GI198745 |
Who may qualify
- Ages
- 18 to 45 years
- Sex
- Male only
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (7 listed)
- Healthy as determined by a responsible physician, based on a medical evaluation including medical history, physical examination, laboratory tests and cardiac monitoring. A subject with a clinical abnormality or laboratory parameters outside the reference range for the population being studied may be included only if the Investigator and the GSK Medical Monitor agree that the finding is unlikely to introduce additional risk factors and will not interfere with the study procedures. Subjects with orthostasis at screening should be excluded from enrollment.
- Males between 18 and 45 years of age (inclusive).
- Male subjects must agree to use one of the contraception methods. This criterion must be followed from the time of the first dose of study medication until follow-up from the study.
- Body weight </ 55 kg and BMI within the range 19.0 - 30.0 kg/m2 (inclusive).
- Capable of giving written informed consent, which includes compliance with the requirements and restrictions listed in the consent form.
Key exclusion criteria (16 listed)
- The subject has a positive pre-study drug/alcohol screen. A minimum list of drugs that will be screened for include amphetamines, barbiturates, cocaine, opiates, cannabinoids and benzodiazepines.
- Slow metabolizer for CYP2D6 as determined by screening PGx analysis.
- A positive pre-study Hepatitis B surface antigen or positive Hepatitis C antibody result within 3 months of screening.
- A positive test for HIV antibody.
- History of regular alcohol consumption within 6 months of the study defined as:
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 |
|---|---|---|
| GI198745 | Drug | Arm 1 |
Primary outcome
PK at 0,1,2,3,4,5,6,7,8,10,12,16,24,36,48,72
5 secondary outcomes
Clinical safety labs
Time frame: at check in
measurement of orthostatic hypotension
Time frame: at 6 hours post dose on days 1 and 7
adverse event reporting
C(tau) (pre-dose concentrations determined immediately before a dose at steady state), t1/2, tmax, lambda, Cmin and fluctuation [(Cmax - Cmin)/(AUC(0-24)/24)] of tamsulosin, as data permit.
Safety and tolerability of all treatments as assessed by blood pressure and pulse rate measurements, adverse events and clinical laboratory safety tests.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 4 Aug 2017.
- Background: PubMed 20160156Cai G, Thiessen JJ, Baidoo CA, Fossler MJ. Operating characteristics of a partial-block randomized crossover bioequivalence study for dutasteride, a drug with a long half-life: investigation through simulation and comparison with final results. J Clin Pharmacol. 2010 Oct;50(10):1142-50. doi: 10.1177/0091270009355155. Epub 2010 Feb 16.
- Results for study ARI111402 can be found on the GSK Clinical Study Register.Link provided by the sponsor.
- Researchers can use this site to request access to anonymised patient level data and/or supporting documents from clinical studies to conduct further research.Link provided by the sponsor.
- Individual participant dataSharing planned: Yes. Patient-level data for this study will be made available through www.clinicalstudydatarequest.com following the timelines and process described on this site.
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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.
GSK Clinical Trials study director
GlaxoSmithKline
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1 study testing GI198745 in people with Prostatic Hyperplasia, run by GlaxoSmithKline at 1 site in United States.
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 7 inclusion and 16 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 4 Aug 2017. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. 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 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
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?
PK at 0,1,2,3,4,5,6,7,8,10,12,16,24,36,48,72. 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 NCT00609596, 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 4 Aug 2017.