- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03269409
Use of Adipose Derived Regenerative Cells in Bilateral Femoral Head Osteonecrosis
Double Blind, Phase I, Randomized, Parallel Group Study of Hip Decompression Compared to Hip Decompression Supplemented at the Point of Care With Adipose Derived Regenerative Cells for Bilateral Pre-Collapse Femoral Head Osteonecrosis
Study Overview
Status
Conditions
Detailed Description
Preclinical and clinical data suggest that ADRC may serve as a safe and efficacious adjuvant agent for the treatment of ON. However, to the authors knowledge no RCT in the United States has formally evaluated safety of ADRC in the setting of ON. Therefore, the primary endeavor of this Phase I pilot study will be to evaluate safety of ADRC for pre-collapse ON of the femoral head.
The Celution 800/GP System (Cytori Therapeutics, San Diego, USA) for preparation of ADRC from lipoaspirate is currently being evaluated in FDA approved clinical trials including an orthopedic indication (osteoarthritis). In addition, the device has a CE Mark registration in Europe and Class I approval in Japan. As such, it serves as a known platform that produces a clinical grade product for human use. Other devices on the market process lipoaspirate by either mechanical, washing, or centrifugation methods; however, the remaining components of original adipose tissue are significant and impair the regenerative process. Derivation of relatively pure ADRC has been achieved by few devices and the Cytori Celution 800/GP System is the only one to our knowledge with a sufficient safety and efficacy track record enabling multiple investigational device exemption (IDE) approvals. The reagent used (Celase®) is of a clinical and pharmacologic grade for use in humans. The production of Celase is free of mammalian products.
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Locations
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Minnesota
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Rochester, Minnesota, United States, 55905
- Mayo Clinic in Rochester
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria
- Males and females 22-70 years of age.
- No articular surface collapse of the femoral heads as measured by MRI.
- Target disease or condition: Bilateral pre-collapse osteonecrosis of the femoral head.
- Atraumatic osteonecrosis of the femoral head (all other etiologies eligible including corticosteroid and alcohol induced osteonecrosis).
- Ability to safely undergo liposuction that will result in the harvest of a sufficient quantity of adipose tissue (approximately 360 mL). A plastic surgeon evaluation will be performed in order to determine adequate adipose tissue is available for harvest.
- Capacity to provide informed consent
- Ability to comply with protocol
- Normal laboratory values of CBC, CRP, AST, ALT, Bilirubin (total & direct), BUN and Creatinine.
Exclusion Criteria:
- Post traumatic femoral head osteonecrosis.
- Osteonecrosis of the femoral head in stages ≥ IIIA according to the Steinberg classification.
- Asymptomatic osteonecrosis on exam
- Flattening of the femoral head (Steinberg classification Type IV) or articular cartilage collapse at the time of core decompression surgery.
- Septic arthritis, stress fracture, or non-osteonecrosis metabolic bone diseases (e.g., Paget's disease of bone, osteogenesis imperfecta, primary hyperparathyroidism, osteopetrosis, and fibrous dysplasia including monostotic, polyostotic, and McCune-Albright syndrome).
- Skeletal immaturity.
- Known history of HIV, or has active Hepatitis B or active Hepatitis C.
- Disease or medication-related disorder of coagulation (i.e., elevated PTT >13.8 seconds, INR >1.2, or low platelet count <150x109/L). Patients on coumadin, heparin products, and novel oral anticoagulants will be excluded. Antiplatelet medications (e.g. aspirin, clopidogrel) are permitted as long as the aforementioned coagulation labs are within the specified range.
- Patients who have aPTT values greater than or equal to 1.8 times the normal limit.
- Patients who are actively or recently received glycoprotein IIb/IIIa inhibitors (abciximab/ ReoPro, Aggrastat/ tirofiban, eptifibatide/ Integrilin)
- All patients who have inadequate fat deposits (i.e. < 200 ml of lipoaspirate from 3 bilateral sites) will be excluded from the study.
- Lumbar radiculopathy, and/or neurogenic or vascular claudication.
- Active Skin infection at the time of surgery
- Active Local bone infection
- Patients in active treatment for cancer or a blood dyscrasia, or having received chemotherapy, radiotherapy or immunotherapy in past 1 year.
- Participation in another clinical study in the past 30 days or concurrent participation in another clinical trial.
- MRI-incompatible internal devices (pacemakers, aneurysm clips, etc).
- Patients with poorly controlled diabetes mellitus (HbA1C ≥ 8%), peripheral neuropathy, or severe vascular problems.
- Patients receiving treatment with hematopoietic growth factors or antivasculogenesis or anti-angiogenesis treatment (e.g., anti-VEGF).
- Patients requiring bisphosphonate treatment for study duration.
- Pregnant or lactating female patients.
- Prisoners.
- Known starch or gentamycin allergy
- Known amylase deficiency
- Laser- or ultrasound-assisted lipoaspiration technique is used during the lipoaspiration procedure
- An adverse event that meets one or more fat harvest stopping rules has occurred during the lipoaspiration procedure
- Positive gram stain result on ADRC product prior to administration
- If final viable cell count of ADRC product is < 34 million
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Sham Comparator: Hip Decompression with lactated ringers
Subjects will receive standard of care hip decompression along with an injection of approximately 5 mls. of lactated ringers.
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Approximately 5 mls of lactated ringers will be injected after decompression into the hip that does not receive adipose derived regenerative cells.
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Experimental: Hip Decompression with ADRC
Subjects in this arm will have Adipose Derived Regenerative Cells (ADRC)harvested through autologous liposuction and processed outside the body using The Celution 800/GP System (Cytori Therapeutics) before having approximately 5 mls. of ADRCs transplanted into the femoral head after standard of care hip decompression.
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The Celution 800/GP System will be used for the preparation of adipose derived regenerative cells from lipoaspirate.
The adipose derived regenerative cells will then be transplanted into the hip, post decompression.
Subjects in this arm will have Adipose Derived Regenerative Cells (ADRC)harvested through autologous liposuction and processed outside the body using The Celution 800/GP System (Cytori Therapeutics) before having approximately 5 mls. of ADRCs transplanted into the femoral head after standard of care hip decompression.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Safety, as measured by the type and number of serious adverse events related to Hip Decompression supplemented with autologous ADRC transplantation compared to Hip Decompression alone.
Time Frame: End of the study (24 months)
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Serious adverse events will only include those that are determined to be related to the transplantation of ADRC and/or Hip Decompression.
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End of the study (24 months)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
In vitro laboratory metrics as measured by flow analysis as well as proliferation and differentiation potential of adipose and bone marrow derived mesenchymal stem cells (MSCs).
Time Frame: Preoperative, Month 12, and Month 24
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These immunophenotypic characterizations will be correlated with MRI imaging data and patient reported outcomes.
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Preoperative, Month 12, and Month 24
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Initial signals of efficacy as measured by MRI lesion volume quantification and patient reported outcome metrics.
Time Frame: Preoperative, Month 12, and Month 24
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Preoperative MRI, 1 and 2 year postoperative MRI osteonecrotic lesion volume size compared to quality of life and hip function scores. The five subscales include 10 items on pain, 5 items for symptoms (3 symptoms items, 2 stiffness items) 17 items for activities for daily living (ADLs), 4 items for sports and recreations, and 4 items for hip related quality of life. Scoring: Each question contains five answer choices ranging from never (score of 0) to extreme (score of 4). A normalized score is calculated for each subscale with 0 indicating extreme symptoms and 100 representing no symptoms. |
Preoperative, Month 12, and Month 24
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Rafael J Sierra, MD, Mayo Clinic
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 16-003846
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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