- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04661644
Efficacy and Safety of Mesenchymal Stem Cell Clusters in Patients With Critical Limb Ischemia
A Phase 1/2a Clinical Trial to Evaluate the Efficacy and Safety of Allogenic Adipose Tissue-derived Mesenchymal Stem Cell Clusters in Patients With Critical Limb Ischemia
Study Overview
Status
Conditions
Detailed Description
This clinical trial is designed as a Phase 1/2a clinical trial targeting patients with critical limb ischemia. The trial is composed of Phase 1 to assess the tolerability and safety and Phase 2a to assess the safety and efficacy of the investigational product.
Phase 1: Open-label, 3 + 3 design, single-center This phase is conducted in a 3 + 3 design by dose level to evaluate the tolerability of the investigational product.
If the subject voluntarily agrees signs the informed consent formin writing to participate in this clinical trial, the subjects who had necessary check-ups and tests and meet the inclusion criteria after subject conformity assessment are registered in the clinical trial.The subjects receive the investigational product once and are checked for adverse events through day 1 and then discharged. The safety and efficacy assessments are conducted through visits at week 4, week 12, and week 24 after administration.
Subjects are evaluated for adverse events up to week 4 after the administration of the investigational product by registering 3 subjects each at the dosing phase. This evaluation is conducted according to the number of persons subjects who developed Grade 3 or higher adverse drug reactions (ADRs) according to CTCAE Version_5.0 in which a causal relation with the investigational product cannot be ruled out.
If the maximum tolerated dose (MTD) is determined with the test group 2 (high dose) in the Phase 1 clinical trial, the Phase 2a clinical trial will be conducted with the two groups, test group 2 and test group 1.
However, if adverse events occur in 1 of 6 subjects, the test group 2 will be decided considered as the maximum tolerated dose (MTD), or but only the test group 1 will proceed to Phase 2a.
If adverse events occur in 2 or more subjects out of 6 subjects, a dose smaller than test group 1 (low dose) is determined to be the maximum tolerated dose. The Phase 2a clinical trial will not proceed and the clinical trial will end.
Phase 2a: Open-label, sequential assignment, single-center If tolerability and safety are secured 4 weeks after administration of the investigational product of Phase 1, Phase 2a is conducted.
Only those subjects meeting the final inclusion criteria are sequentially assigned, admitted by the same procedure, and administered the investigational product once. Subjects are checked for adverse events through day 1 and discharged. Safety and efficacy assessments are performed at week 4, week 12, and week 24 after administration. All subjects are tested with the same schedule, excluding their doses.
The subjects enrolled in Phase 1 are analyzed for efficacy through visits at week 12 and week 24 so that all subjects (Phase 1 and Phase 2a) are assessed and analyzed for efficacy.
Study Type
Enrollment (Estimated)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Contact
- Name: Sarang Kim, Master's
- Phone Number: 8207022050023
- Email: info@sbiomedics.com
Study Contact Backup
- Name: Jong-Wan Kim, Master's
- Phone Number: 8207046351002
- Email: jwkim@sbiomedics.com
Study Locations
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Seoul, Korea, Republic of, 06351
- Samsung Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Adults aged 19 or older
- A person diagnosed with critical limb ischemia due to peripheral artery stenosis or obstructive occlusive disease (Rutherford category 4, 5, 6)
- Patients with critical limb ischemia where symptoms do not improve even after medication treatment for more than 3 months[1]
- Persons who voluntarily agreed to participate in this clinical trial
Exclusion Criteria:
- Persons whose life expectancy is less than 6 months
- Patients who underwent surgery and interventional procedures (percutaneous vascular intervention, vascular reconstruction, etc.) in the same disease within 3 months of screening
- Patients in need of interventional procedure or surgery
- Patients with a history of administration of other cell therapy products
- Persons who have received systemic immunosuppression treatment within 3 months of screening
- Persons with a history of a malignant tumor within 5 years of screening (However, non-metastatic basal cell skin carcinoma, squamous cell carcinoma of the skin or carcinoma in situ of the cervix that does not recur for at least 1 year before the registration are excluded)
- Persons with a hematologic disease with major bleeding or bleeding predisposition within 3 months of screening
Women who are pregnant, breastfeeding or planning to become pregnant during the clinical trial period or women of childbearing potential who do not use medically acceptable birth control
*Medically acceptable contraception:
- Medicine: Oral contraceptives, skin patches or progestin medications (Transplant or injection)
- Diaphragm: Condoms, diaphragms, intrauterine devices (IUDs), vaginal suppositories
- Abstinence: Absolute abstinence (However, periodic abstinence (e.g., calendar method, ovulation method, sympto-thermal method) and control are not considered acceptable contraceptive methods.)
- Persons who participated in other clinical trials within 3 months of screening
- Persons who were administered prohibited concomitant medications related to this clinical trial
- Persons with alanine aminotransferase (ALT) or aspartate aminotransferase (AST) levels more than twice the normal upper limit at the time of screening
- Persons identified with estimated glomerular filtration rate (eGFR) levels < 30 mL/min/1.73 m2 at the time of screening
- Persons with a history of allergies or hypersensitivity to the investigational product or its components
- Persons who are judged to be inadequate to participate in clinical trials by other investigators
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Sequential Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Test Group 1 (Low Dose)
- Administration Method: 1 mL is withdrawn from 1 vial of clusters of adipose-derived mesenchymal stem cells, composed of adipose-derived mesenchymal stem cells and diluted with 20 mL of saline, which is divided into 1 cc pre-filled syringes and administered in 20 divided doses to 15-20 parts of the muscle in divided doses along the working areacourse of the tibial artery and peroneal artery below the knee joint (above the lower ischemic area) of the subject (above the lower ischemic area) of the subjects under general anesthesia or spinal anesthesia so that the entire diluted solution is administered.
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Dose: 1 x 10^7 cells/1 mL/vial (1,000 clusters of adipose-derived mesenchymal stem cells)
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Experimental: Test Group 2 (High Dose)
- Administration Method: 1 mL is withdrawn from 1 vial of clusters of adipose-derived mesenchymal stem cells, composed of adipose-derived mesenchymal stem cells and diluted with 20 mL of saline, then administered to 15-20 parts of the muscle along the working areacourse of the tibial artery and peroneal artery below the knee joint (above the lower ischemic area) of the subject (above the lower ischemic area) of the subjects under general anesthesia or spinal anesthesia.
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Dose: 1 x 10^8 cells/1 mL/vial (10,000 clusters of adipose-derived mesenchymal stem cells)
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in ischemic pain
Time Frame: The degrees of changes in VAS measurement on week 4, week 12, week 24, compared to the baseline.
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Changes in 10 cm VAS (Visual analog score) measurement shall be recorded, and statistically analyzed (mean, median, max, min, STD, average).
The degree of change shall be compared between the test groups using two sample t-test or Wilcoxon's rank sum test)
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The degrees of changes in VAS measurement on week 4, week 12, week 24, compared to the baseline.
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Changes in pain-free walking distance
Time Frame: The degrees of changes in pain-free walking distance on week 4, week 12, week 24, compared to the baseline.
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Changes in maximum walking distance on a treadmill shall be measured, and statistically analyzed(mean, median, max, min, STD, average).
The degree of change shall be compared between the test groups using two sample t-test or Wilcoxon's rank sum test)
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The degrees of changes in pain-free walking distance on week 4, week 12, week 24, compared to the baseline.
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Changes in TBI (Toe Brachial Index)
Time Frame: The degrees of changes in TBI on week 4, week 12, week 24, compared to the baseline.
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Changes in TBI (Toe Brachial Index) shall be recorded, and statistically analyzed (mean, median, max, min, STD, average).
The degree of change shall be compared between the test groups using two sample t-test or Wilcoxon's rank sum test)
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The degrees of changes in TBI on week 4, week 12, week 24, compared to the baseline.
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Changes in ABI (Ankle Brachial Index)
Time Frame: The degrees of changes in ABI on week 4, week 12, week 24, compared to the baseline.
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Changes in ABI (Ankle Brachial Index) shall be recorded, and statistically analyzed (mean, median, max, min, STD, average).
The degree of change shall be compared between the test groups using two sample t-test or Wilcoxon's rank sum test)
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The degrees of changes in ABI on week 4, week 12, week 24, compared to the baseline.
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Change in size of the Ulcer
Time Frame: The degrees of changes in Ulcer size on week 4, week 12, week 24, compared to the baseline.
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The size of the largest ulcer shall be measured and statistically analyzed (mean, median, max, min, STD, average).
The degree of change shall be compared between the test groups using two sample t-test or Wilcoxon's rank sum test)
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The degrees of changes in Ulcer size on week 4, week 12, week 24, compared to the baseline.
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Determination of maximum tolerable dose according to DLT occurrence
Time Frame: Occurrence of ADR is monitored throughout the baseline to week 4 during phase 1.
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Occurrence of adverse drug reactions that are definitely related to the administrated drug are monitored.
Maximum tolerable dose is determined when ADR with grade 3 or higher with accordance to CTCAE version 5.0 has occurred to at least one of the three subjects.
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Occurrence of ADR is monitored throughout the baseline to week 4 during phase 1.
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Incidence of abnormal laboratory tests results
Time Frame: Laboratory tests are performed on screening(-4~-2 week), baseline, 1 day after the baseline, and on week 4, week 12, week 24, compared to the baseline.
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The following laboratory tests are conducted. In case the results are abnormal, it shall be recorded as a adverse event or excluded from study (screening). Hematologic Test: WBC, RBC, Hemoglobin, Hematocrit, Platelets count, Blast, Promyelocyte, Metamyelocyte, Neutrophil (Seg, Band), Eosinophil, Basophil, Lymphocyte, Monocyte, Atypical Lymphocyte, Immature cell, Plasma cell, Nucleated RBC, Abnormal lymphoid cell Blood Chemistry Test: Total protein, Albumin, Globulin, Total Bilirubin, AST, ALT, ALP, BUN, Creatinine, Glucose, Uric Acid, Estimated GFR, Ca, P, CRP, CPK Urine Test: Specific gravity, pH, Glucose, Albumin, Bilirubin, Urobilinogen, Ketone, Blood, Nitrite, Leukocyte Esterase |
Laboratory tests are performed on screening(-4~-2 week), baseline, 1 day after the baseline, and on week 4, week 12, week 24, compared to the baseline.
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Incidence of abnormal blood pressure
Time Frame: Blood pressure is measured throughout the study (on screening visit(4~2 week before the baseline), base line, a day after the baseline, week 4, 12, 24 compared to the baseline.)
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Systolic/Diastolic blood pressure is measured after relaxing in sitted position for 5 minutes.
In case the results are clinically abnormal, it shall be recorded as an adverse event or excluded from study (screening).
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Blood pressure is measured throughout the study (on screening visit(4~2 week before the baseline), base line, a day after the baseline, week 4, 12, 24 compared to the baseline.)
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Incidence of abnormal temperature
Time Frame: Temperature is measured throughout the study (on screening visit(4~2 week before the baseline), base line, a day after the baseline, week 4, 12, 24 compared to the baseline.)
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Temperature is measured via eardrum after relaxing in sitted position for 5 minutes.
In case the results are clinically abnormal, it shall be recorded as an adverse event.
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Temperature is measured throughout the study (on screening visit(4~2 week before the baseline), base line, a day after the baseline, week 4, 12, 24 compared to the baseline.)
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Incidence of abnormal physical condition
Time Frame: Examined on every visits, throughout the study (on screening visit(4~2 week before the baseline), base line, a day after the baseline, week 4, 12, 24 compared to the baseline.)
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Appearance, skin, head, neck, heart, stomach, urology system, reproductive system, limbs, musculoskeletal system, nervous system, lymphatic glands and etc are examined.
In case any clinically abnormal condition has been monitored, it shall be recorded as an adverse event.
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Examined on every visits, throughout the study (on screening visit(4~2 week before the baseline), base line, a day after the baseline, week 4, 12, 24 compared to the baseline.)
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Dong-Ik Kim, PhD, Samsung Medical Center
Publications and helpful links
General Publications
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- Selvin E, Erlinger TP. Prevalence of and risk factors for peripheral arterial disease in the United States: results from the National Health and Nutrition Examination Survey, 1999-2000. Circulation. 2004 Aug 10;110(6):738-43. doi: 10.1161/01.CIR.0000137913.26087.F0. Epub 2004 Jul 19.
- Rutherford RB, Baker JD, Ernst C, Johnston KW, Porter JM, Ahn S, Jones DN. Recommended standards for reports dealing with lower extremity ischemia: revised version. J Vasc Surg. 1997 Sep;26(3):517-38. doi: 10.1016/s0741-5214(97)70045-4. Erratum In: J Vasc Surg 2001 Apr;33(4):805.
- Murphy MP, Lawson JH, Rapp BM, Dalsing MC, Klein J, Wilson MG, Hutchins GD, March KL. Autologous bone marrow mononuclear cell therapy is safe and promotes amputation-free survival in patients with critical limb ischemia. J Vasc Surg. 2011 Jun;53(6):1565-74.e1. doi: 10.1016/j.jvs.2011.01.074. Epub 2011 Apr 22.
- Conte MS, Geraghty PJ, Bradbury AW, Hevelone ND, Lipsitz SR, Moneta GL, Nehler MR, Powell RJ, Sidawy AN. Suggested objective performance goals and clinical trial design for evaluating catheter-based treatment of critical limb ischemia. J Vasc Surg. 2009 Dec;50(6):1462-73.e1-3. doi: 10.1016/j.jvs.2009.09.044. Epub 2009 Nov 7.
- Kinlay S. Management of Critical Limb Ischemia. Circ Cardiovasc Interv. 2016 Feb;9(2):e001946. doi: 10.1161/CIRCINTERVENTIONS.115.001946.
- Hirsch AT, Criqui MH, Treat-Jacobson D, Regensteiner JG, Creager MA, Olin JW, Krook SH, Hunninghake DB, Comerota AJ, Walsh ME, McDermott MM, Hiatt WR. Peripheral arterial disease detection, awareness, and treatment in primary care. JAMA. 2001 Sep 19;286(11):1317-24. doi: 10.1001/jama.286.11.1317.
- Isner JM, Baumgartner I, Rauh G, Schainfeld R, Blair R, Manor O, Razvi S, Symes JF. Treatment of thromboangiitis obliterans (Buerger's disease) by intramuscular gene transfer of vascular endothelial growth factor: preliminary clinical results. J Vasc Surg. 1998 Dec;28(6):964-73; discussion 73-5. doi: 10.1016/s0741-5214(98)70022-9.
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- Powell RJ, Goodney P, Mendelsohn FO, Moen EK, Annex BH; HGF-0205 Trial Investigators. Safety and efficacy of patient specific intramuscular injection of HGF plasmid gene therapy on limb perfusion and wound healing in patients with ischemic lower extremity ulceration: results of the HGF-0205 trial. J Vasc Surg. 2010 Dec;52(6):1525-30. doi: 10.1016/j.jvs.2010.07.044.
- Lee HC, An SG, Lee HW, Park JS, Cha KS, Hong TJ, Park JH, Lee SY, Kim SP, Kim YD, Chung SW, Bae YC, Shin YB, Kim JI, Jung JS. Safety and effect of adipose tissue-derived stem cell implantation in patients with critical limb ischemia: a pilot study. Circ J. 2012;76(7):1750-60. doi: 10.1253/circj.cj-11-1135. Epub 2012 Apr 12.
- Lasala GP, Silva JA, Minguell JJ. Therapeutic angiogenesis in patients with severe limb ischemia by transplantation of a combination stem cell product. J Thorac Cardiovasc Surg. 2012 Aug;144(2):377-82. doi: 10.1016/j.jtcvs.2011.08.053. Epub 2011 Nov 12.
- Kawamoto A, Katayama M, Handa N, Kinoshita M, Takano H, Horii M, Sadamoto K, Yokoyama A, Yamanaka T, Onodera R, Kuroda A, Baba R, Kaneko Y, Tsukie T, Kurimoto Y, Okada Y, Kihara Y, Morioka S, Fukushima M, Asahara T. Intramuscular transplantation of G-CSF-mobilized CD34(+) cells in patients with critical limb ischemia: a phase I/IIa, multicenter, single-blinded, dose-escalation clinical trial. Stem Cells. 2009 Nov;27(11):2857-64. doi: 10.1002/stem.207.
- Ruiz-Salmeron R, de la Cuesta-Diaz A, Constantino-Bermejo M, Perez-Camacho I, Marcos-Sanchez F, Hmadcha A, Soria B. Angiographic demonstration of neoangiogenesis after intra-arterial infusion of autologous bone marrow mononuclear cells in diabetic patients with critical limb ischemia. Cell Transplant. 2011;20(10):1629-39. doi: 10.3727/096368910X0177.
- Benoit E, O'Donnell TF, Patel AN. Safety and efficacy of autologous cell therapy in critical limb ischemia: a systematic review. Cell Transplant. 2013;22(3):545-62. doi: 10.3727/096368912X636777. Epub 2012 Mar 28.
- Cacione DG, do Carmo Novaes F, Moreno DH. Stem cell therapy for treatment of thromboangiitis obliterans (Buerger's disease). Cochrane Database Syst Rev. 2018 Oct 31;10(10):CD012794. doi: 10.1002/14651858.CD012794.pub2.
- Dohmen A, Eder S, Euringer W, Zeller T, Beyersdorf F. Chronic critical limb ischemia. Dtsch Arztebl Int. 2012 Feb;109(6):95-101. doi: 10.3238/arztebl.2012.0095. Epub 2012 Feb 10.
- Davies MG. Criticial limb ischemia: epidemiology. Methodist Debakey Cardiovasc J. 2012 Oct-Dec;8(4):10-4. doi: 10.14797/mdcj-8-4-10.
- Soder HK, Manninen HI, Jaakkola P, Matsi PJ, Rasanen HT, Kaukanen E, Loponen P, Soimakallio S. Prospective trial of infrapopliteal artery balloon angioplasty for critical limb ischemia: angiographic and clinical results. J Vasc Interv Radiol. 2000 Sep;11(8):1021-31. doi: 10.1016/s1051-0443(07)61332-3.
- Nasr MK, McCarthy RJ, Hardman J, Chalmers A, Horrocks M. The increasing role of percutaneous transluminal angioplasty in the primary management of critical limb ischaemia. Eur J Vasc Endovasc Surg. 2002 May;23(5):398-403. doi: 10.1053/ejvs.2002.1615.
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- Gupta PK, Chullikana A, Parakh R, Desai S, Das A, Gottipamula S, Krishnamurthy S, Anthony N, Pherwani A, Majumdar AS. A double blind randomized placebo controlled phase I/II study assessing the safety and efficacy of allogeneic bone marrow derived mesenchymal stem cell in critical limb ischemia. J Transl Med. 2013 Jun 10;11:143. doi: 10.1186/1479-5876-11-143.
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- Schroder F, Diehm N, Kareem S, Ames M, Pira A, Zwettler U, Lawall H, Diehm C. A modified calculation of ankle-brachial pressure index is far more sensitive in the detection of peripheral arterial disease. J Vasc Surg. 2006 Sep;44(3):531-6. doi: 10.1016/j.jvs.2006.05.016.
- Heo SH, Park YS, Kang ES, Park KB, Do YS, Kang KS, Kim DI. Early Results of Clinical Application of Autologous Whole Bone Marrow Stem Cell Transplantation for Critical Limb Ischemia with Buerger's Disease. Sci Rep. 2016 Jan 21;6:19690. doi: 10.1038/srep19690.
- Kim HJ, Jang SY, Park JI, Byun J, Kim DI, Do YS, Kim JM, Kim S, Kim BM, Kim WB, Kim DK. Vascular endothelial growth factor-induced angiogenic gene therapy in patients with peripheral artery disease. Exp Mol Med. 2004 Aug 31;36(4):336-44. doi: 10.1038/emm.2004.44.
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Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- SB-AC-001
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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