ClinicalTrials.gg
CompletedNCT01556022ATHENAUpdated Oct 28, 2016

Safety and Feasibility Trial of Adipose-Derived Regenerative Cells in the Treatment of Chronic Myocardial Ischemia

A Phase 2 interventional study of ADRCs processed by the Celution System and Placebo Comparator: Lactated Ringer's and Subject's Blood in Myocardial Ischemia, sponsored by Cytori Therapeutics. Completed at 8 sites in United States. Open to participants aged 20 Years to 80 Years. Per ClinicalTrials.gov, last updated 2016-10-28.

Sponsored by Cytori Therapeutics · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
28
Allocation
Randomized
Ages
20 Years to 80 Years
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-12

Among 218 studies in Myocardial Ischemia with a site in United States — 23 open to participants now, 26 under way, none of them phase 3. Myocardial Ischemia · United States.

Enrollment
112th of 150
28 · median 87
Started
2012
with 9 others
Phase 2
27 of 218
2 open now
Registered
107th of 218
by date

Among the 218 studies in Myocardial Ischemia with a site in United States, this one is the 112th largest by enrollment of the 150 interventional ones that give a count, is one of 10 that started in 2012, is one of 27 in phase 2, and was the 107th registered.

Myocardial Ischemia

1,123 studies on the registry are indexed under Myocardial Ischemia; 177 are open to participants now.

Browse Myocardial Ischemia studies →

Open to participants now

23 of the 218 studies in Myocardial Ischemia with a site in United States are open now. Recruiting first, the newest first:

18 more — sign in →

All 23 open studies →

A study can be open while its sites in United States have not opened yet or have stopped. Only those recruiting at a site in United States →

Who these studies take

Of the 135 Myocardial Ischemia studies recruiting now, 92 (68%) set no upper age limit and 6 (4%) stop at 75 or younger; 14 take children under 18; 20 take healthy volunteers.

This study: 20 Years to 80 Years · all sexes · no healthy volunteers.

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02

Study summary

This is a prospective, randomized, placebo-controlled, double blind safety and feasibility clinical trial.

Read the detailed description

To assess the safety and feasibility of Adipose-Derived Regenerative Cells (ADRCs) delivered via an intramyocardial route in the treatment of chronic ischemic heart disease in patients who are not eligible for percutaneous or surgical revascularization.

03

Conditions studied

  • Myocardial Ischemia

Keywords

  • Ischemic heart disease
  • Coronary artery disease
  • Chronic heart failure
  • Cardiovascular disease
  • Adult stem cells
  • Adipose derived regenerative cells
04

Who can participate

Ages eligible
20 Years to 80 Years
Sexes eligible
All
Accepts healthy volunteers
No

Eligibility criteria

Key Inclusion Criteria:

  1. Males or females 20-80 years of age
  2. Significant multi-vessel coronary artery disease not amenable to percutaneous or surgical revascularization in the target area
  3. CCS Angina Functional Class II-IV and/or Stages of Heart Failure Class II or III
  4. On maximal medical therapy for anginal symptoms and or heart failure symptoms
  5. Hemodynamic stability (Systolic Blood Pressure ≥ 90 mm/Hg, Heart Rate \< 110; Pulse-Oxygen > 95)
  6. ≤ 45
  7. Left ventricular wall thickness ≥ 8 mm at the target site for cell injection, confirmed by 2D contrast echo within 4 weeks prior to enrollment, free of thrombus

Key Exclusion Criteria:

  1. Atrial fibrillation or flutter without a pace maker that guarantees a stable heart rate
  2. Unstable angina
  3. LV thrombus, as documented by echocardiography
  4. Planned staged treatment of CAD or other intervention on the heart
  5. count \< 100,000/mm3
  6. WBC \< 2,000/mm3
  7. or stroke within 90 days prior to randomization
  8. ICD shock within 30 days of randomization
  9. Any condition requiring medication
  10. A high-risk acute coronary syndrome (ACS) or a myocardial infarction within 60 days prior to randomization
  11. Revascularization within 60 days prior to randomization
  12. Inability to walk on a treadmill except for class IV angina patients who will be evaluated separately
  13. Hepatic dysfunction, as defined as (AST) and /or alanine aminotransferase (ALT) > 1.5 times the (x ULN) prior to randomization
Terms in these criteria, in plain language(7)

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.

NYHA class (heart failure)

The New York Heart Association’s four classes of how much heart failure limits physical activity.

I
No limits: ordinary activity causes no undue tiredness or breathlessness.
II
Slight limits: comfortable at rest, ordinary activity causes symptoms.
III
Marked limits: comfortable at rest, less than ordinary activity causes symptoms.
IV
Symptoms even at rest; any activity makes them worse.

Studies set their own limit — many outside heart failure leave out class III–IV, while heart failure studies may ask for a particular class. Check the class this study names.

LVEF (left ventricular ejection fraction)

The share of blood the heart’s main pumping chamber (the left ventricle) pushes out with each beat, measured by an echocardiogram (heart ultrasound) or a MUGA scan. About 50–70% is normal.

Platelets

Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.

TIA (transient ischaemic attack)

A “mini-stroke”: temporary stroke-like symptoms caused by reduced blood flow to part of the brain, spinal cord or eye, without signs of a new stroke on a scan.

Stroke symptoms need emergency care at once, even if they go away.

Immunosuppression

A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.

Read whether the line is about a condition or about medicines, and which medicines and doses it means.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Investigator, Outcomes assessor)
Enrollment
28 participants (actual)

Study arms

  • Experimental
    ADRCs processed by the Celution System

    400,000 adipose-derived regenerative cells (ADRCs) per kilogram (kg) of body weight not to exceed 40,000,000 cells.

    Device: ADRCs processed by the Celution System

  • Placebo comparator
    Lactated Ringers and Subject's blood

    Sterile Lactated Ringers Solution (3mL) mixed with ≤ 0.10 ml of the study Subject's own freshly drawn blood.

    Device: Placebo Comparator: Lactated Ringer's and Subject's Blood

Interventions

  • DeviceADRCs processed by the Celution System

    Subjects will undergo liposuction under anesthesia. Lipoaspirate will be processed in the Celution System to isolate and concentrate ADRCs. When randomized to ADRCs, intramyocardial injections of ADRCs will be administered via the MYOSTAR injection catheter.

    Also known as: ADRCs, Intramyocardial injections

  • DevicePlacebo Comparator: Lactated Ringer's and Subject's Blood

    Subjects will undergo liposuction under anesthesia. Lipoaspirate will be processed in the Celution System to isolate and concentrate ADRCs. When randomized to Placebo, intramyocardial injections of Placebo will be administered via the MYOSTAR injection catheter.

    Also known as: Placebo

06

What researchers measure

Primary outcomes

  1. Treatment emergent serious adverse events (SAEs), major adverse cardiac events (MACE), arrhythmia assessment, change in cardiac function and symptoms, and resource utilization

    Safety endpoints include: 1. Treatment emergent SAEs 2. Arrhythmia assessment via Holter monitoring 3. MACE defined as cardiac death and hospitalization for heart failure Feasibility endpoints include: 1. Change in mVO2 at 6 months 2. Change in LVESV/LVEDV at 6 months 3. Change in ejection fraction at 6 months 4. Change in perfusion defect at 6 months 5. Resource utilization 6. Change in heart failure symptoms, angina, and quality of life through 12 months

    Time frame: 6 and 12 Months

07

Study locations

8 sites
  • Cardiology, P.C.
    Birmingham, Alabama 35211, United States
  • Scripps Clinic - Torrey Pines, Scripps Green Hospital
    La Jolla, California 92037, United States
  • University of Florida
    Gainesville, Florida 32610, United States
  • Florida Hospital-Pepin Heart Institute
    Tampa, Florida 33613, United States
  • Minneapolis Heart Institute Foundation
    Minneapolis, Minnesota 55407, United States
  • Duke University Hospital
    Durham, North Carolina 27705, United States
  • Texas Heart Institute
    Houston, Texas 77030, United States
  • University of Utah Health Care
    Salt Lake City, Utah 84132, United States
08

References and documents

Publications

  • Henry TD, Pepine CJ, Lambert CR, Traverse JH, Schatz R, Costa M, Povsic TJ, David Anderson R, Willerson JT, Kesten S, Perin EC. The Athena trials: Autologous adipose-derived regenerative cells for refractory chronic myocardial ischemia with left ventricular dysfunction. Catheter Cardiovasc Interv. 2017 Feb 1;89(2):169-177. doi: 10.1002/ccd.26601. Epub 2016 Sep 23. PubMed 27148802 ↗
09

Timeline

Tracking since Sep 25, 2026
Not marked actual or estimatedDates not marked actual or estimated

The record gives a start of Jun 2012, a primary completion of Aug 2015 and a completion of Oct 2016. It does not say whether these dates are actual or estimated.

How these figures are worked out, and which studies are left out of them.

Registered
Mar 14, 2012
First posted
Mar 16, 2012
Start
Jun 2012
Primary completionActual
Aug 2015
CompletionActual
Oct 2016
Last update
Oct 28, 2016
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Oct 28, 2016, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT01556022
Lead sponsor
Cytori Therapeutics
Responsible party
Sponsor
First posted
Mar 16, 2012
Start date
Jun 2012
Primary completion
Aug 2015
Completion
Oct 2016
Last update
Oct 28, 2016

Study contacts

Emerson Perin, MD, PhD
principal investigator · Texas Heart Institute, Houston, TX
Timothy Henry, MD
principal investigator · Minneapolis Heart Institute Foundation, Minneapolis, MN

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Oct 2016. You cannot join it, but the record below documents what was studied.

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