ClinicalTrials.gg
TerminatedNCT02986789Updated Jun 18, 2026Results posted

Continuous Non-Invasive SpHb and PVI Monitoring on Intra-Operative and Post-Surgical Clinical Outcomes

An interventional study of In vivo SpHb and PVi Monitoring in Surgery, sponsored by Masimo Corporation. Terminated. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-06-18.

Sponsored by Masimo Corporation (part of Danaher Corporation) · Interventional and Other

Study type
Interventional
Enrollment
43
Allocation
Non-randomized
Ages
18 Years and older
Sex
All
01

Study summary

The study evaluates the use of noninvasive hemoglobin with In Vivo feature and PVi monitoring using pulse-oximetry based technologies and their effect on the management of transfusion and infusion decisions and clinical outcomes for the surgical patient.

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Conditions studied

  • Surgery
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In context

Lead sponsor

Masimo Corporation is the lead sponsor of 105 studies on the registry; 1 is open to participants now.

Of its 79 completed or terminated interventional studies of FDA-regulated products, 66 (84%) have results posted.

First submitted before Masimo Corporation became part of Danaher Corporation.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Adult patients undergoing major surgeries associated with possibility of significant blood loss (e.g. such that blood is cross-matched and available before the start of the case as per hospital routine practice) under general anesthesia.
  • At least one finger available and accessible for performing non-invasive monitoring.

Exclusion criteria

Exclusion Criteria:

  • Patient has skin abnormalities affecting the digits such as psoriasis, eczema, angioma, scar tissue, burn, fungal infection, substantial skin breakdown, nail polish or acrylic nails that would prevent the proper fit and application of the sensors
  • Procedures performed using robotics surgery
  • Any patients with a known hemoglobinopathy
  • Any patients undergoing Cardio-Pulmonary Bypass (CPB)
  • Any patients who cannot be transfused or has refused consent for a blood transfusion
  • Patients being treated by any artificial oxygen carriers within 30 days of hospital stay
  • Patients being managed outside of an operating room in the participating centers, or in operating room with conditions not conducive to perform and complete the study procedures (including use of the monitoring device)
  • Patients younger than 18 years old
  • Patients who are pregnant
  • Patients with cardiac arrhythmia
  • Patients with tidal volume setting \< 6ml/kg
  • Patients with PEEP >= 10cm H2O
  • Patients undergoing cardiac and/or any open chest procedures
  • Emergency patients due to the foreseeable difficulty in consenting
  • Patients deemed not suitable for study at the discretion of the Principal Investigator
Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Hemoglobin (Hb)

The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).

05

Study design

Primary purpose
Other
Allocation
Non-randomized
Intervention model
Single group
Masking
None (open label)
Enrollment
43 participants (actual)

Study arms

  • No intervention
    Control Group

    Clinicians will be performing blood transfusions using hospital standard of care procedures.

  • Experimental
    Evaluation Group

    Clinicians will be guiding blood transfusions using SpHb with In vivo feature as a trigger for laboratory blood draws and PVi to inform fluid administration decisions in addition to hospital standard of care procedures.

    Device: In vivo SpHb and PVi Monitoring

Interventions

  • DeviceIn vivo SpHb and PVi Monitoring

    Pulse oximeter finger sensor that simultaneously monitors noninvasive hemoglobin (SpHb) and pleth variability index (PVi)

06

What researchers measure

Primary outcomes

  1. Average Volume of Allogenic RBC Transfused Intra-operatively

    Reduction in overall allogenic transfusion is defined as the decrease in volume of transfusion of the intervention group relative to control group, intra-operatively.

    Time frame: Approximately 6-8 hours

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Results

Posted Jan 5, 2022

Participant flow

Participant flow — Overall Study
MilestoneControl GroupEvaluation Group
Started430
Completed430
Not completed00

Outcome measures

PrimaryAverage Volume of Allogenic RBC Transfused Intra-operatively

Reduction in overall allogenic transfusion is defined as the decrease in volume of transfusion of the intervention group relative to control group, intra-operatively.

Time frame:
Approximately 6-8 hours

No measurements were reported for this outcome.

Adverse events

Collected over 6 months. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Control Group0/43 (0%)0/43 (0%)0/43 (0%)
Evaluation Group———

Baseline characteristics

No participants enrolled in the evaluation group.

Age, Categorical
Age, Categorical(Participants)Control GroupEvaluation GroupTotal
<=18 years000
Between 18 and 65 years29029
>=65 years14014
Sex: Female, Male
Sex: Female, Male(Participants)Control GroupEvaluation GroupTotal
Female22022
Male21021
Race/Ethnicity, Customized
Race/Ethnicity, Customized(Participants)Control GroupEvaluation GroupTotal
Black or African American909
Hispanic, Latino, or Spanish origin202
White or Caucasian32032
Region of Enrollment
Region of Enrollment(participants)Control GroupEvaluation GroupTotal
United States43—43
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Study locations

No study locations are listed for this record.

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References and documents

Study documents

PDFs hosted by the registry, ClinicalTrials.gov.

Individual participant data

Plan to share: No

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 18, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT02986789
Lead sponsor
Masimo Corporation
Responsible party
Sponsor
First posted
Dec 8, 2016
Start date
Dec 15, 2016
Primary completion
Aug 31, 2018
Completion
Aug 31, 2018
Results posted
Jan 5, 2022
Last update
Jun 18, 2026

Oversight

View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is terminated, as verified in Oct 2025. You cannot join it, but the record below documents what was studied.

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