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The Optiflow Patency and Maturation Study

The OPEN Study Optiflow PatEncy and MaturatioN

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01921933
Acronym
OPEN
Enrollment
51
Registered
2013-08-14
Start date
2014-02-28
Completion date
2016-01-31
Last updated
2016-01-12

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

Conditions

End-stage Kidney Disease, End-stage Renal Disease

Keywords

End-stage renal disease, ESRD, AVF, Fistulas

Brief summary

The objective of this study is to assess the performance and safety of the Optiflow Anastomotic Connector (Optiflow) when used to facilitate the creation of autogenous arteriovenous fistula (AVF) anastomoses.

Detailed description

The investigation is designed as a multi-center, prospective, single-arm, clinical study of the Optiflow performance and safety in a maximum of 180 subjects which includes one (1) roll-in subjects per investigator (maximum of 36 roll-in subjects). Subjects will be followed at 14 days post-procedure, 42 days post-procedure, and 90 days post-procedures. Results will be compared to a pre-established performance goal. Up to fifteen (15) investigational sites will participate in the investigational study. The primary performance endpoint is the overall maturation percentage rate at 90 days. Maturation is defined as an access site which achieves a diameter of greater or equal to 4 mm and blood flow greater or equal t0 500 mL/min as measured via duplex ultrasound. The primary safety endpoint is a composite endpoint of serious adverse events known to be associated with arteriovenous fistula anastomosis surgical procedures through 90 days.

Interventions

DEVICEOptiflow

The Optiflow device will be implanted in the upper extremity of Adult end-stage renal disease (ESRD) patients requiring creation of an upper extremity autogenous arteriovenous fistula for dialysis access.

Sponsors

Bioconnect Systems, Inc
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* Male or non-pregnant female (verified with a urine/blood pregnancy test, for women of reproductive age). * Life expectancy of at least one year, per the investigator's opinion. * Diagnosed with ESRD or chronic kidney disease requiring dialysis. * Planned upper extremity autogenous arteriovenous fistula. * Planned anastomosis is an end of vein to side of artery configuration. * AVF target artery and vein inner diameters are greater or equal to 3.0 mm and less than or equal to 7.0 mm as determined by pre-operative ultrasound and confirmed intra-operatively. * Patient is available and willing to return for follow-up visits during the duration of the study. * Patient is able and willing to follow a daily aspirin and/or other anticoagulation/antiplatelet regimen not including warfarin (see

Exclusion criteria

). * Patient, or their legal representative, is willing and able to provide informed consent.

Design outcomes

Primary

MeasureTime frameDescription
Fistula Maturation90 daysThe primary performance endpoint is the maturation percentage rate at 90 days. Maturation is defined as an access site intended for dialysis needle cannulation which achieves a diameter of greater or equal to 4 mm and blood flow greater or equal to 500 mL/min as measured via duplex ultrasound.
Serious Adverse Events Associated with Arteriovenous Fistula Creation90 daysThe primary safety endpoint is a composite endpoint of serious adverse events known to be associated with arteriovenous fistula anastomosis surgical procedures through 90 days. All patients will be followed for safety for the duration of the study.

Secondary

MeasureTime frameDescription
Technical success1 dayTechnical success rate: An access site that demonstrates physical exam patency through hospital discharge.
Assisted Maturation90 daysAssisted maturation rate: An access site which achieves or maintains maturation following intervening manipulations (surgical or endovascular) designed to promote or reestablish maturation.
Unassisted Maturation90 daysUnassisted fistula maturation rate: An access site that achieves and maintains maturation without any surgical or endovascular intervention designed to promote or reestablish Maturation.
Assisted Patency90 daysAssisted patency rate: An access site which is patent after intervening manipulations (surgical or endovascular) intended to promote or reestablish patency.
Unassisted Patency90 daysUnassisted patency rate: An access site that maintains patency without any surgical or endovascular intervention designed to maintain or reestablish blood flow in the access site.
Intervention Rate90 daysIntervention rate: The number of occurrences that a subject's access site is surgically or endovascularly operated on to maintain or reestablish blood flow in the access site.

Other

MeasureTime frameDescription
Ultrasound flow90 daysFlow rate of blood through outflow vein
Time To Access Site AbandonmentUp to 90 daysElapsed time to abandonment of the access site.
Access Site Related Adverse Events90 daysThe number of access related adverse events per subject
Number of Access Site Related Hospitalizations90 daysThe number of access site related hospitalizations per subject.
Catheter Utilization90 daysTotal number of days a catheter was used before access site maturation per subject.
Total Adverse Events90 daysTotal number of adverse events
Time to first cannulationUp to 90 daysElapsed time to first use of access site.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026