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To assess the pharmacokinetic Interaction between Dorzolamide and Brimonidine in healthy male subjects.
Clinical trial to evaluate the influence of drug and drug-drug interactions of Brimonidine and Dorzolamide co-administration on the pharmacokinetics of Brimonidine and pharmacokinetics of Dorzolamide in healthy volunteers
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| [A]→[A]+[B] | Experimental | Period 1 : At each dosing of Treatment A eye drops is administered for 8days Period 2 : At each dosing of Treatment A + Treatment B eye drops is administered for 92days |
|
| [B]→[A]+[B] | Experimental | Period 1 : At each dosing of Treatment B eye drops is administered for 92days Period 2 : At each dosing of Treatment A + Treatment B eye drops is administered for 8days |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| [A] | Drug | One eye drop(about 40ul) / Day1 ~ Day8 / BID |
|
| Measure | Description | Time Frame |
|---|---|---|
| Plasma concentration of Brimonidine and Dorzolamide | Group 1 Brimonidine Period 1 : 1d 0h,7d 0h,7d 12h,8d 0h(pre-dose), 8d 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 8, 12 h post-dose (Total 15 Point) Period 2 : 9d 0h,23d 0h,37d 0h,51d 0h,65d 0h,79d 0h,93d 0h,99d 0h,99d 12h, 100d 0h(pre-dose),100d 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 8, 12 h post-dose (Total 21Point) Dorzolamide Period 2 : 9d 0h,23d 0h,37d 0h,51d 0h,65d 0h,79d 0h,93d 0h,99d 0h,99d 12h,100d 0h (pre-dose), 100d 0.25,0.5,0.75,1,1.5,2,2.5,3,4,8,12 h post-dose (Total 21Point) Group 2 Brimonidine Period 2 : 93d 0h,99d 0h,99d 12h,100d 0h(pre-dose),100d 0.25, 0.5, 0.75, 1, 1.5,2,2.5,3,4,8,12h post-dose (Total 15Point) Dorzolamide Period 1 : 1d 0h, 15d 0h, 29d 0h, 43d 0h, 57d 0h, 71d 0h, 85d 0h, 91d 0h, 91d 12h, 92d 0h (pre-dose), 92d 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 8, 12 h post-dose (Total 21Point) Period 2 : 93d 0h, 99d 0h, 99d 12h, 100d 0h (pre-dose), 100d 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 8, 12 h post-dose (Total 15Point) | pre- and post dose of Brimonidine and Dorzolamide administration] |
| Measure | Description | Time Frame |
|---|---|---|
| Trough concentration of Dorzolamide and N-Desethyl-Dorzloamide | Group 1 Brimonidine Period 1 : 1d 0h,7d 0h,7d 12h 8d 0h (pre-dose),8d 0.25,0.5,0.75,1,1.5,2,2.5,3, 4,8,12 h post-dose (Total 15Point) Period 2 : 9d 0h,23d 0h,37d 0h,51d 0h,65d 0h,79d 0h,93d 0h,99d 0h,99d 12h,100d 0h (pre-dose),100d 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 8, 12h post-dose (Total 21Point) Dorzolamide Period 2 : 9d 0h,23d 0h,37d 0h,51d 0h,65d 0h,79d 0h,93d 0h,99d 0h,99d 12h,100d 0h (pre-dose), 100d 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 8, 12h post-dose (Total 21Point) Group 2 Brimonidine Period 2 : 93d 0h,99d 0h,99d 12h,100d 0h (pre-dose),100d 0.25, 0.5, 0.75, 1, 1.5,2,2.5,3,4,8,12h post-dose (Total 15Point) Dorzolamide Period 1 : 1d 0h,15d 0h,29d 0h,43d 0h,57d 0h,71d 0h,85d 0h,91d 0h, 91d 12h,92d 0h(pre-dose), 92d 0.25, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 4, 8, 12h post-dose (Total 21Point) Period 1 : 93d 0h,99d 0h,99d 12h,100d 0h (pre-dose), 100d 0.25, 0.5, 0.75, 1, 1.5,2,2.5,3,4,8,12h post-dose (Total 15Point) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Kyung-sang Yu, Ph.d., M.B.A | Clinical Trial Center, Seoul National University Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Clinical Trial Center, Seoul National University Hospital | Seoul | 110-744 | South Korea |
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| ID | Term |
|---|---|
| D005901 | Glaucoma |
| D005128 | Eye Diseases |
| D009798 | Ocular Hypertension |
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| ID | Term |
|---|---|
| D000068599 | Brimonidine Tartrate, Timolol Maleate Drug Combination |
| C062765 | dorzolamide |
| D000068438 | Brimonidine Tartrate |
| D013999 | Timolol |
| ID | Term |
|---|---|
| D011412 | Propanolamines |
| D000605 | Amino Alcohols |
| D000438 | Alcohols |
| D009930 | Organic Chemicals |
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| [B] | Drug | One eye drop(about 40ul) / Day1 ~ Day92 / BID |
|
|
| [A]+[B](1) | Drug | One eye drop(about 40ul) / Day9 ~ Day100 / BID |
|
|
| [A]+[B](2) | Drug | One eye drop(about 40ul) / Day93 ~ Day100 / BID |
|
|
| pre- and post dose of Dorzolamide and Dorzloamide administration] |
| D020005 |
| Propanols |
| D000588 | Amines |
| D013830 | Thiadiazoles |
| D013844 | Thiazoles |
| D013457 | Sulfur Compounds |
| D001393 | Azoles |
| D006573 | Heterocyclic Compounds, 1-Ring |
| D006571 | Heterocyclic Compounds |
| D011810 | Quinoxalines |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D004338 | Drug Combinations |
| D004364 | Pharmaceutical Preparations |
| D009025 | Morpholines |
| D010078 | Oxazines |