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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01953848
Other study ID # 905-CL-053
Secondary ID 2009-015078-36
Status Completed
Phase Phase 1
First received September 26, 2013
Last updated May 28, 2014
Start date April 2010
Est. completion date July 2010

Study information

Verified date May 2014
Source Astellas Pharma Inc
Contact n/a
Is FDA regulated No
Health authority United Kingdom: Medicines and Healthcare Products Regulatory Agency
Study type Interventional

Clinical Trial Summary

Tamsulosin (sold under the name Omnic OCAS) is used for treatment of voiding complaints related to an enlarged prostate. Solifenacin (sold under the name Vesicare) is used for the treatment of patients suffering from problems related to overactive bladder, such as needing to go to the toilet frequently and often having a sudden urgent need to go to the toilet. Certain patients with an enlarged prostate have complaints that may benefit from a combination of tamsulosin and solifenacin. EC905 is a single tablet containing both tamsulosin and solifenacin. The current study aims at investigating how tamsulosin and solifenacin are taken up from the intestine, distributed through the body and eventually eliminated from the body when taken as a single EC905 tablet.


Description:

In this study there are two sequence groups with 27 subjects in total. In Period 1, subjects are randomized to receive one of the two final combination tablet formulations of tamsulosin HCl and solifenacin succinate. In Period 1, 13 subjects receive one combination and 14 subjects receive the other combination. In Period 2, the alternate treatment is provided.

Screening takes place from Days -21 to -2 before the first admission day (Day -1). EC905 is administered from Day 1 to Day 12 (treatment period 1), and from Day 13 to Day 24 (treatment period 2). All treatments are administered with subjects in the fasted state.

Blood samples for pharmacokinetic (PK) analysis of tamsulosin HCl and solifenacin free base are collected, and assessments of vital signs, safety electrocardiogram (ECG), safety laboratory, adverse events and concomitant medications are performed.

Subjects are discharged on day 25 and an End of Study Visit takes place at least 10 days after the second treatment period, or after withdrawal.


Recruitment information / eligibility

Status Completed
Enrollment 27
Est. completion date July 2010
Est. primary completion date July 2010
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Male
Age group 45 Years to 80 Years
Eligibility Inclusion Criteria:

- Body Mass Index between 18.5 and 30.0 kg/m2, inclusive.

Exclusion Criteria:

- Known or suspected hypersensitivity to tamsulosin HCl, solifenacin succinate, EC905 or any of the components of the formulations used.

- Any of the contraindications or precautions for use as mentioned in the applicable sections of the Summary of Product Characteristics (SPC) of tamsulosin or solifenacin.

- Use of grapefruit (more than 3 x 200 ml) or marmalade (more than three times) in the week prior to admission to the clinic.

- Any of the liver function tests (i.e. ALT, AST) above the upper limit of normal.

- Any clinically significant history of asthma, eczema, any other clinically significant allergic condition or previous severe hypersensitivity to any drug (excluding non-active hay fever).

- Any of the contraindications or precautions for use as mentioned in the applicable sections of the SPC's of tamsulosin or solifenacin.

- Abnormal pulse rate and/or blood pressure measurements at the pre-study visit as follows: pulse rate <40 or >90 bpm; mean systolic blood pressure >160 mmHg; mean diastolic blood pressure >100 mmHg (blood pressure measurements taken in triplicate after subject has been resting in supine position for at least 5 min; pulse rate will be measured automatically).

- A QT interval after repeated measurements of >430 ms, a history of unexplained syncope, cardiac arrest, unexplained cardiac arrhythmias or torsades de pointes, structural heart disease, or a family history of Long QT Syndrome (LQTS).

- Use of any prescribed or OTC (over-the-counter) drugs (including vitamins, natural and herbal remedies, e.g. St. John's wort) in the 2 weeks prior to admission to the Clinical Unit, except for paracetamol (up to 3 g/day).

- Regular use of any inducer of liver metabolism (e.g. barbiturates, rifampicin) in the 3 months prior to admission to the Clinical Unit.

- Any use of drugs of abuse within 3 months prior to admission to the Clinical Unit.

- History of smoking more than 10 cigarettes (or equivalent amount of tobacco) per day within 3 months prior to admission to the Clinical Unit.

- History of drinking more than 21 units of alcohol per week (1 unit = 10 g pure alcohol = 250 ml of beer (5%) or 35 ml of spirits (35%) or 100 ml of wine (12%)) within 3 months prior to admission to the Clinical Unit.

- Donation of blood or blood products within 3 months prior to admission to the Clinical Unit.

- Positive serology test for HBsAg, anti HAV (IgM), anti-HCV or anti-HIV 1+2.

- Participation in any clinical study within 3 months or participation in more than 3 clinical studies within 12 months, prior to the expected date of enrolment into the study, provided that the clinical study did not entail a biological compound with a long terminal half life

- Employee of the Astellas Group or CRO involved in the study.

Study Design

Allocation: Randomized, Endpoint Classification: Pharmacokinetics Study, Intervention Model: Crossover Assignment, Masking: Open Label, Primary Purpose: Basic Science


Related Conditions & MeSH terms


Intervention

Drug:
EC905
Oral

Locations

Country Name City State
United Kingdom Parexel Early Phase Clinical Unit Harrow

Sponsors (1)

Lead Sponsor Collaborator
Astellas Pharma Europe B.V.

Country where clinical trial is conducted

United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary Pharmacokinetic profile of tamsulosin HCl by Area Under the Curve during the time interval between consecutive dosing Area under the plasma concentration - time curve during the time interval between consecutive dosing (AUCtau) Days 10-12 and Days 13, 22-25 (26 times) No
Primary Pharmacokinetic profile of tamsulosin HCl by Maximum concentration Maximum concentration ( Cmax) Days 10-12 and Days 13, 22-25 (26 times) No
Primary Pharmacokinetic profile of solifenacin succinate by Area Under the Curve during the time interval between consecutive dosing Area under the plasma concentration - time curve during the time interval between consecutive dosing (AUCtau) Days 10-12 and Days 13, 22-25 (26 times) No
Primary Pharmacokinetic profile of solifenacin succinate by Cmax (Maximum concentration) Maximum concentration ( Cmax) Days 10-12 and Days 13, 22-25 (26 times) No
Secondary Pharmacokinetics profile of tamsulosin HCl concentration: Observed trough concentration, Peak Trough Ratio, time to attain Cmax,and apparent total body clearance Observed trough concentration (Ctrough), Peak Trough Ratio (PTR), time to attain Cmax (tmax), apparent total body clearance (CL/F) Days 10-12 and Days 13, 22-25 (26 times) No
Secondary Pharmacokinetics profile of solifenacin succinate concentration: Observed trough concentration, Peak Trough Ratio, time to attain Cmax,and apparent total body clearance Observed trough concentration (Ctrough), Peak Trough Ratio (PTR), time to attain Cmax (tmax), apparent total body clearance (CL/F) Days 10-12 and Days 13, 22-25 (26 times) No
Secondary Safety and tolerability of EC905 Adverse events, ECG, vital signs, safety laboratory assessments, physical examination Day -21 to End of Study Visit No
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