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Clinical Study of the Safety and Performance of the Miami InnFocus Drainage Implant to Relieve Glaucoma Symptoms

Clinical Study of the Safety and Performance of the Miami InnFocus Drainage Implant to Relieve Glaucoma Symptoms

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00772330
Enrollment
23
Registered
2008-10-15
Start date
2007-10-31
Completion date
2017-01-31
Last updated
2021-07-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Glaucoma

Keywords

MIDI Arrow, Glaucoma Drainage Device, GDD, InnFocus, Glaucoma treatment

Brief summary

Assess the safety and performance of the Miami InnFocus Drainage Implant in patients suffering from glaucoma that is inadequately controlled on tolerated medical therapy with intraocular pressure greater than or equal to 18 mm Hg and less than or equal to 40 mm Hg.

Detailed description

Unicentric, non-randomized, single arm safety and performance study which will be conducted in accordance with the applicable parts of CFR 21 and Standard EN-ISO 14155 I & II: 2003 on clinical investigations with medical devices on human subjects and recommendations guiding physicians in biomedical research involving human subjects adopted by the 18th World Medical Assembly, Helsinki, Finland, 1964 and later revisions

Interventions

Insertion of MIDI Arrow subconjunctivally with a fornix-based incision after pretreatment of scleral surface with 0.4 mg/mL MMC and insertion of MIDI Arrow tube through sclera into anterior chamber of eye

Sponsors

InnFocus Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 85 Years
Healthy volunteers
No

Inclusion criteria

* Male or female, age 18 to 85 years, inclusive * Glaucoma that is inadequately controlled on tolerated medical therapy with intraocular pressure greater than or equal to 18 mm Hg and less than or equal to 40 mm Hg. * Patient must have signed informed consent form

Exclusion criteria

* Unwilling or unable to give informed consent or unable to return for scheduled protocol visits * Pregnant or nursing women * No light perception * Active iris neovascularization or active proliferative retinopathy * Iridocorneal endothelial syndrome * Epithelial or fibrous downgrowth * Aphakia (without pseudophakia) * Vitreous in anterior chamber for which a vitrectomy is anticipated * Chronic or recurrent uveitis * Severe posterior blepharitis * Unwilling to discontinue contact lens use after surgery * Previous ophthalmic surgery, excluding uncomplicated phacoemulsification (cataract) surgery or corneal refractive surgery * Need for glaucoma surgery combined with other ocular procedures other than cataract surgery (i.e., penetrating keratoplasty or retinal surgery) or anticipated need for additional ocular surgery * Known allergy to Mitomycin C (MMC) drug.

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants With Treatment Performance SuccessDay 1, Day 7, Week 3, Week 6, Month 3, Month 9, Month 12, Month 24, Month 36, Month 48 and Month 60Success: IOP \< 15 mmHg or IOP reduced from baseline (pre-operative level) by ≥ 20% (without glaucoma reoperation, such as a trabeculectomy to improve aqueous drainage or implantation of another drainage implant).

Secondary

MeasureTime frameDescription
Maintenance of Pressure ControlDay 1, Day 7, Week 3, Week 6, Month 3, Month 9, Month 12, Month 24, Month 36, Month 48 and Month 60Maintenance of pressure control throughout the follow-up period, as measured by IOP at each post-operative visit

Other

MeasureTime frameDescription
Time (in Minutes) Taken for the ProcedureDay 1The mean surgical procedure time from the time the incision was made in the conjunctiva to the time peritomy closure
Visual AcuityDay 1, Day 7, Week 3, Week 6, Month 3, Month 9, Month 12, Month 24, Month 36, Month 48 and Month 60Visual acuity measured at each post-operative visit from baseline.
Visual Field60 MonthsVisual field measure at each post op visit. Data not available for summary as per CSR
Incidence of Glaucoma Re-operation60 MonthsCases requiring glaucoma re-operation
Glaucoma Supplemental MedicationDay 1 thru Month 3, Month 6, Month 9, Month 12, Month 24, Month 36, Month 48 and Month 60The number of glaucoma supplemental medications required after the MicroShunt procedure.
Implant Migration60 MonthsIncidence of implant migration. None reported
Implant Encapsulation60 MonthsIncidence of implant encapsulation. None reported
Procedure FeasibilityDay 1Defined by ease of insertion of the device into the anterior chamber, based on an Investigator evaluation rating (5-point scale, with 1 being difficult and 5 being easy);

Countries

Dominican Republic

Participant flow

Recruitment details

This report presents data for 23 patients (Patients 13 to 35), who were implanted with the MicroShunt (one eye implanted per patient)

Participants by arm

ArmCount
Patient With Primary Open Angle Glaucoma (POAG)
Patient with primary open angle glaucoma (POAG) inadequately controlled on tolerated medical therapy with IOP ≥ 18mmHg and ≤ 40 mmHg
23
Total23

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyLost to Follow-up3

Baseline characteristics

CharacteristicPatient With Primary Open Angle Glaucoma (POAG)
Age, Continuous59.8 years
Region of Enrollment
Dominican Republic
23 Participants
Sex: Female, Male
Female
8 Participants
Sex: Female, Male
Male
15 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 23
other
Total, other adverse events
21 / 23
serious
Total, serious adverse events
8 / 23

Outcome results

Primary

Number of Participants With Treatment Performance Success

Success: IOP \< 15 mmHg or IOP reduced from baseline (pre-operative level) by ≥ 20% (without glaucoma reoperation, such as a trabeculectomy to improve aqueous drainage or implantation of another drainage implant).

Time frame: Day 1, Day 7, Week 3, Week 6, Month 3, Month 9, Month 12, Month 24, Month 36, Month 48 and Month 60

Population: Intention to Treat (ITT) Population: all enrolled patients.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaNumber of Participants With Treatment Performance SuccessDay 122 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaNumber of Participants With Treatment Performance SuccessDay 723 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaNumber of Participants With Treatment Performance SuccessWeek 323 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaNumber of Participants With Treatment Performance SuccessWeek 623 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaNumber of Participants With Treatment Performance SuccessMonth 322 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaNumber of Participants With Treatment Performance SuccessMonth 923 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaNumber of Participants With Treatment Performance SuccessMonth 1222 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaNumber of Participants With Treatment Performance SuccessMonth 2421 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaNumber of Participants With Treatment Performance SuccessMonth 3620 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaNumber of Participants With Treatment Performance SuccessMonth 4817 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaNumber of Participants With Treatment Performance SuccessMonth 6018 Participants
Secondary

Maintenance of Pressure Control

Maintenance of pressure control throughout the follow-up period, as measured by IOP at each post-operative visit

Time frame: Day 1, Day 7, Week 3, Week 6, Month 3, Month 9, Month 12, Month 24, Month 36, Month 48 and Month 60

Population: Intention to Treat (ITT) Population: all enrolled patients

ArmMeasureGroupValue (MEAN)Dispersion
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaMaintenance of Pressure ControlBaseline IOP23.78 mmHgStandard Deviation 5.342
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaMaintenance of Pressure ControlDay 19.6 mmHgStandard Deviation 5
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaMaintenance of Pressure ControlDay 77.8 mmHgStandard Deviation 2.9
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaMaintenance of Pressure ControlWeek 37.4 mmHgStandard Deviation 2.26
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaMaintenance of Pressure ControlWeek 68.9 mmHgStandard Deviation 3.81
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaMaintenance of Pressure ControlMonth 310.8 mmHgStandard Deviation 6.07
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaMaintenance of Pressure ControlMonth 612 mmHgStandard Deviation 6.17
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaMaintenance of Pressure ControlMonth 911.2 mmHgStandard Deviation 3.15
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaMaintenance of Pressure ControlMonth 1211.3 mmHgStandard Deviation 4.07
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaMaintenance of Pressure ControlMonth 2412 mmHgStandard Deviation 3.64
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaMaintenance of Pressure ControlMonth 3611.8 mmHgStandard Deviation 6.58
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaMaintenance of Pressure ControlMonth 4812 mmHgStandard Deviation 3.52
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaMaintenance of Pressure ControlMonth 6011.5 mmHgStandard Deviation 4.89
Other Pre-specified

Glaucoma Supplemental Medication

The number of glaucoma supplemental medications required after the MicroShunt procedure.

Time frame: Day 1 thru Month 3, Month 6, Month 9, Month 12, Month 24, Month 36, Month 48 and Month 60

Population: Intention to Treat (ITT) Population: all enrolled patients.

ArmMeasureGroupValue (MEDIAN)
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaGlaucoma Supplemental MedicationMonth 480 Medications
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaGlaucoma Supplemental MedicationDay 1 thru Month 30 Medications
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaGlaucoma Supplemental MedicationMonth 60 Medications
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaGlaucoma Supplemental MedicationMonth 90 Medications
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaGlaucoma Supplemental MedicationBaseline2 Medications
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaGlaucoma Supplemental MedicationMonth 120 Medications
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaGlaucoma Supplemental MedicationMonth 240 Medications
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaGlaucoma Supplemental MedicationMonth 360 Medications
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaGlaucoma Supplemental MedicationMonth 600 Medications
Other Pre-specified

Implant Encapsulation

Incidence of implant encapsulation. None reported

Time frame: 60 Months

Other Pre-specified

Implant Migration

Incidence of implant migration. None reported

Time frame: 60 Months

Other Pre-specified

Incidence of Glaucoma Re-operation

Cases requiring glaucoma re-operation

Time frame: 60 Months

Population: Intention to Treat (ITT) Population: all enrolled patients.

ArmMeasureValue (NUMBER)
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaIncidence of Glaucoma Re-operation2 participants
Other Pre-specified

Procedure Feasibility

Defined by ease of insertion of the device into the anterior chamber, based on an Investigator evaluation rating (5-point scale, with 1 being difficult and 5 being easy);

Time frame: Day 1

Population: Intention to Treat (ITT) Population: all enrolled patients.

ArmMeasureGroupValue (NUMBER)
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaProcedure Feasibility5 - Easy17 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaProcedure Feasibility1 - Difficult0 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaProcedure Feasibility20 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaProcedure Feasibility30 Participants
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaProcedure Feasibility46 Participants
Other Pre-specified

Time (in Minutes) Taken for the Procedure

The mean surgical procedure time from the time the incision was made in the conjunctiva to the time peritomy closure

Time frame: Day 1

Population: Intention to Treat (ITT) Population: all enrolled patients.

ArmMeasureValue (MEAN)Dispersion
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaTime (in Minutes) Taken for the Procedure25.3 MinutesStandard Deviation 7.82
Other Pre-specified

Visual Acuity

Visual acuity measured at each post-operative visit from baseline.

Time frame: Day 1, Day 7, Week 3, Week 6, Month 3, Month 9, Month 12, Month 24, Month 36, Month 48 and Month 60

Population: Intention to Treat (ITT) Population: all enrolled patients.

ArmMeasureGroupValue (MEAN)Dispersion
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaVisual AcuityMonth 12.79 LogMarStandard Deviation 1.113
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaVisual AcuityMonth 6.85 LogMarStandard Deviation 1.211
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaVisual AcuityMonth 9.85 LogMarStandard Deviation 1.176
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaVisual AcuityMonth 24.90 LogMarStandard Deviation 1.151
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaVisual AcuityMonth 36.69 LogMarStandard Deviation 0.992
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaVisual AcuityMonth 48.44 LogMarStandard Deviation 0.741
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaVisual AcuityMonth 60.43 LogMarStandard Deviation 0.909
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaVisual AcuityBaseline.94 LogMarStandard Deviation 1.143
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaVisual AcuityDay 11.28 LogMarStandard Deviation 1.203
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaVisual AcuityDay7.99 LogMarStandard Deviation 1.023
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaVisual AcuityWeek 3.87 LogMarStandard Deviation 0.991
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaVisual AcuityWeek 6.76 LogMarStandard Deviation 1.031
To Assess Safety and Performance of the MIDI Arrow in Patients w GlaucomaVisual AcuityMonth 3.92 LogMarStandard Deviation 1.226
Other Pre-specified

Visual Field

Visual field measure at each post op visit. Data not available for summary as per CSR

Time frame: 60 Months

Source: ClinicalTrials.gov · Data processed: Feb 17, 2026