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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02264522
Other study ID # 04-14-39
Secondary ID
Status Completed
Phase N/A
First received September 22, 2014
Last updated August 28, 2016
Start date September 2014
Est. completion date August 2015

Study information

Verified date August 2016
Source Intelomed, Inc.
Contact n/a
Is FDA regulated No
Health authority United States: Food and Drug Administration
Study type Interventional

Clinical Trial Summary

The purpose of this study is to use the photo-plethysmographic [PPG] waveform signal to guide the dialysis and ultrafiltration [UF] of chronic maintenance hemodialysis patients, and to further the investigators understanding of homeostasis in hemodialysis.

The investigators hypothesize that the signals generated from the PPG device along with traditional monitoring and nursing judgment, will allow experienced, oriented staff to anticipate hemodynamic instability, intervene to prevent or mitigate the intradialytic hypotention [IDH], forestalling the onset of non-facilitating compensatory reflexes that preclude the patient from achieving an appropriate post-dialysis weight consistent with euvolemia. Furthermore, it is hypothesized that the nephrologist and staff will be able to wean patients from anti-hypertensive medications and craft patient specific dialysis orders and UF profiles that achieve consistent, comfortable treatment to appropriate end points.

The study aims include:

Aim 1: To confirm the temporal sequence of PPG signals and changes in BP in routine hemodialysis.

Aim 2: To refine further the predictive algorithms of PPG, augmented with continuous cardiac event monitoring (pre-intra-post hemodialysis) Aim 3: To develop targeted interventions to reverse the cardiovascular stress indicated by the PPG and to maintain perfusion.

Aim 4: To develop care paths approved by the medical staff and primary care nephrologist allowing RNs to respond to signals from the PPG.


Recruitment information / eligibility

Status Completed
Enrollment 10
Est. completion date August 2015
Est. primary completion date August 2015
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility Inclusion Criteria:

1. Age >18 years

2. On dialysis > 6 months with a stable dialysis program

3. Consistent achievement of a spKt/V = 1.2

4. HGB = 10 gm% ± ESA support

5. Consistent failure to achieve a post weight = dry weight + 0.5Kg

6. Able to give informed consent directly

7. Frequent hypotensive reactions (= 1 / treatment in 4 of last 8 treatments)

- Symptoms of hypotension

- Intervention administered because of IDH (saline, "turn downs, early termination, trendelenberg position)

- Drop in BP irrespective of symptoms. SBP < 90 mmHG intra or post HD if pre SBP was > 110 mmHG; SBP < 85 mmHG or 15 mmHG drop from start if starting BP = 110 mmHG.

- Or judged by the nursing staff to be difficult to achieve dry weight.

Exclusion Criteria:

1. Dialysis Catheter Access that may interfere with continuous data collection, per PI determination. (Catheter access is a relative exclusion based on the history of catheter performance.)

2. Cognitive Impairment precluding cooperation, and consent

3. Restless or unlikely to wear the monitor head-band

4. Too unstable in the judgment of their nephrologist to be included in a study of this nature.

Study Design

Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Prevention


Related Conditions & MeSH terms


Intervention

Other:
Place dialysis chair into position 3.
Upon device notification event 1, place patient in dialysis chair position 3.
Decrease dialysate temperature.
Upon device notification event 2, decrease dialysate temperature by 0.5 degree centigrade.
Decrease ultrafiltration rate by 25%.
Upon device notification event 3, decrease ultrafiltration rate by 25% from baseline ultrafiltration rate.
Decrease ultrafiltration rate by 50%.
Upon device notification event 4, decrease ultrafiltration rate by 50% from baseline ultrafiltration rate.

Locations

Country Name City State
United States Centers for Dialysis Care - East Cleveland Ohio

Sponsors (2)

Lead Sponsor Collaborator
Intelomed, Inc. Centers for Dialysis Care, Inc

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Difference between prescribed dry weight and actual measured weight at end of dialysis session. Percent difference between prescribed dry weight and actual weight at end of dialysis session. 8 weeks No
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