NCT02967614

Brief Summary

To assess the pharmacokinetic Interaction between Dorzolamide and Brimonidine in healthy male subjects.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
32

participants targeted

Target at P50-P75 for phase_1

Timeline
Completed

Started Dec 2016

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

November 12, 2016

Completed
6 days until next milestone

First Posted

Study publicly available on registry

November 18, 2016

Completed
13 days until next milestone

Study Start

First participant enrolled

December 1, 2016

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2017

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2018

Completed
Last Updated

April 11, 2018

Status Verified

November 1, 2016

Enrollment Period

1 year

First QC Date

November 12, 2016

Last Update Submit

April 10, 2018

Conditions

Outcome Measures

Primary Outcomes (1)

  • 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]

Secondary Outcomes (1)

  • Trough concentration of Dorzolamide and N-Desethyl-Dorzloamide

    pre- and post dose of Dorzolamide and Dorzloamide administration]

Study Arms (2)

[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

Drug: [A]Drug: [A]+[B](1)

[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

Drug: [B]Drug: [A]+[B](2)

Interventions

[A]DRUG

One eye drop(about 40ul) / Day1 \~ Day8 / BID

Also known as: Brimonidine , Timolol
[A]→[A]+[B]
[B]DRUG

One eye drop(about 40ul) / Day1 \~ Day92 / BID

Also known as: Dorzolamide
[B]→[A]+[B]

One eye drop(about 40ul) / Day9 \~ Day100 / BID

Also known as: Brimonidine , Timolol , Dorzolamide
[A]→[A]+[B]

One eye drop(about 40ul) / Day93 \~ Day100 / BID

Also known as: Brimonidine , Timolol , Dorzolamide
[B]→[A]+[B]

Eligibility Criteria

Age19 Years - 50 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy male adults aged between 19 and 50 during screening period
  • BMI more than 18kg / m2 and less than 30kg / m2 and weight more than 55kg
  • Signed the informed consent form prior to study participation.

You may not qualify if:

  • Presence of medical history or a concurrent disease that may interfere with treatment and safety assessment or completion of this clinical study, including clinically significant disorders in kidney, liver, cardiovascular system, respiratory system, endocrine system, or neuropsychiatric system.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Clinical Trial Center, Seoul National University Hospital

Seoul, 110-744, South Korea

Location

MeSH Terms

Conditions

GlaucomaEye DiseasesOcular Hypertension

Interventions

Brimonidine Tartrate, Timolol Maleate Drug CombinationdorzolamideBrimonidine TartrateTimolol

Intervention Hierarchy (Ancestors)

PropanolaminesAmino AlcoholsAlcoholsOrganic ChemicalsPropanolsAminesThiadiazolesThiazolesSulfur CompoundsAzolesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsQuinoxalinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingDrug CombinationsPharmaceutical PreparationsMorpholinesOxazines

Study Officials

  • Kyung-sang Yu, Ph.d., M.B.A

    Clinical Trial Center, Seoul National University Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 12, 2016

First Posted

November 18, 2016

Study Start

December 1, 2016

Primary Completion

December 1, 2017

Study Completion

April 1, 2018

Last Updated

April 11, 2018

Record last verified: 2016-11

Data Sharing

IPD Sharing
Will not share

Locations