Ignite Creation Date:
2025-12-25 @ 3:33 AM
Ignite Modification Date:
2025-12-26 @ 2:15 AM
Study NCT ID:
NCT05039905
Status:
UNKNOWN
Last Update Posted:
2021-09-10
First Post:
2021-02-15
Is NOT Gene Therapy:
False
Has Adverse Events:
False
Brief Title:
SLN Detection With Tc-MSA-ICG in Lung Cancer Patients
Sponsor:
Organization:
Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D008175', 'term': 'Lung Neoplasms'}], 'ancestors': [{'id': 'D012142', 'term': 'Respiratory Tract Neoplasms'}, {'id': 'D013899', 'term': 'Thoracic Neoplasms'}, {'id': 'D009371', 'term': 'Neoplasms by Site'}, {'id': 'D009369', 'term': 'Neoplasms'}, {'id': 'D008171', 'term': 'Lung Diseases'}, {'id': 'D012140', 'term': 'Respiratory Tract Diseases'}]}}, 'protocolSection': {'designModule': {'phases': ['EARLY_PHASE1'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'NA', 'maskingInfo': {'masking': 'NONE'}, 'primaryPurpose': 'DIAGNOSTIC', 'interventionModel': 'SINGLE_GROUP', 'interventionModelDescription': 'Lung cancer patient'}, 'enrollmentInfo': {'type': 'ESTIMATED', 'count': 10}}, 'statusModule': {'overallStatus': 'UNKNOWN', 'lastKnownStatus': 'RECRUITING', 'startDateStruct': {'date': '2021-02-15', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2021-09', 'completionDateStruct': {'date': '2021-12-31', 'type': 'ESTIMATED'}, 'lastUpdateSubmitDate': '2021-09-09', 'studyFirstSubmitDate': '2021-02-15', 'studyFirstSubmitQcDate': '2021-09-09', 'lastUpdatePostDateStruct': {'date': '2021-09-10', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2021-09-10', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2021-12-31', 'type': 'ESTIMATED'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Clinical chemistry examination-1 (CRP,Cholesterol,Ca,total,TotalBilirubin,directBilirubin,BUN,Creatinine,Phosphorus, inorganic)', 'timeFrame': 'Within two weeks before surgery', 'description': 'Carrying out the clinical chemistry examination(CRP,Cholesterol,Ca,total,TotalBilirubin,directBilirubin,BUN,Creatinine,Phosphorus, inorganic) to check the drug-related safety in 10 lung cancer patients within two weeks before surgery. (mg/dL)'}, {'measure': 'Clinical chemistry examination-2', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the clinical chemistry examination(CRP,Cholesterol,Ca,total,TotalBilirubin,directBilirubin,BUN,Creatinine,Phosphorus, inorganic) to check the drug-related safety in 10 lung cancer patients on postoperativeday(POD) 0 (mg/dL)'}, {'measure': 'Clinical chemistry examination-3', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the clinical chemistry examination(CRP,Cholesterol,Ca,total,TotalBilirubin,directBilirubin,BUN,Creatinine,Phosphorus, inorganic) to check the drug-related safety in 10 lung cancer patients on POD 1 (mg/dL)'}, {'measure': 'Clinical chemistry examination-4', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the clinical chemistry examination(CRP,Cholesterol,Ca,total,TotalBilirubin,directBilirubin,BUN,Creatinine,Phosphorus, inorganic) to check the drug-related safety in 10 lung cancer patients on POD 5 (mg/dL)'}, {'measure': 'Clinical chemistry examination-5', 'timeFrame': 'within two weeks before surgery', 'description': 'Carrying out the clinical chemistry examination (Procalcitonin) to check the drug-related safety in 10 lung cancer patients within two weeks before surgery. (ng/mL)'}, {'measure': 'Clinical chemistry examination-6', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the clinical chemistry examination (Procalcitonin) to check the drug-related safety in 10 lung cancer patients on POD 0 (ng/mL)'}, {'measure': 'Clinical chemistry examination-7', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the clinical chemistry examination (Procalcitonin) to check the drug-related safety in 10 lung cancer patients on POD 1 (ng/mL)'}, {'measure': 'Clinical chemistry examination-8', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the clinical chemistry examination (Procalcitonin) to check the drug-related safety in 10 lung cancer patients on POD 5 (ng/mL)'}, {'measure': 'Clinical chemistry examination-9', 'timeFrame': 'within two weeks before surgery', 'description': 'Carrying out the clinical chemistry examination (AST,ALT,LDH,ALP,GGT) to check the drug-related safety in 10 lung cancer patients within two weeks before surgery (IU/L)'}, {'measure': 'Clinical chemistry examination-10', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the clinical chemistry examination (AST,ALT,LDH,ALP,GGT) to check the drug-related safety in 10 lung cancer patients on POD 0 (IU/L)'}, {'measure': 'Clinical chemistry examination-11', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the clinical chemistry examination (AST,ALT,LDH,ALP,GGT) to check the drug-related safety in 10 lung cancer patients on POD 1 (IU/L)'}, {'measure': 'Clinical chemistry examination-12', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the clinical chemistry examination (AST,ALT,LDH,ALP,GGT) to check the drug-related safety in 10 lung cancer patients on POD 5 (IU/L)'}, {'measure': 'Clinical chemistry examination-13', 'timeFrame': 'within two weeks before surgery', 'description': 'Carrying out the clinical chemistry examination (Na, K, Cl) to check the drug-related safety in 10 lung cancer patients within two weeks before surgery (mmol/L)'}, {'measure': 'Clinical chemistry examination-14', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the clinical chemistry examination (Na, K, Cl) to check the drug-related safety in 10 lung cancer patients on POD 0 (mmol/L)'}, {'measure': 'Clinical chemistry examination-15', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the clinical chemistry examination (Na, K, Cl) to check the drug-related safety in 10 lung cancer patients on POD 1 (mmol/L)'}, {'measure': 'Clinical chemistry examination-16', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the clinical chemistry examination (Na, K, Cl) to check the drug-related safety in 10 lung cancer patients on POD 5 (mmol/L)'}, {'measure': 'Hematology examination-1', 'timeFrame': 'within two weeks before surgery', 'description': 'Carrying out the clinical chemistry examination (Mg) to check the drug-related safety in 10 lung cancer patients within two weeks before surgery(mEq/L)'}, {'measure': 'Hematology examination-2', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the clinical chemistry examination (Mg) to check the drug-related safety in 10 lung cancer patients on POD 0 (mEq/L)'}, {'measure': 'Hematology examination-3', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the clinical chemistry examination (Mg) to check the drug-related safety in 10 lung cancer patients on POD 1 (mEq/L)'}, {'measure': 'Hematology examination-4', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the clinical chemistry examination (Mg) to check the drug-related safety in 10 lung cancer patients on POD 5 (mEq/L)'}, {'measure': 'Hematology examination-5', 'timeFrame': 'within two weeks before surgery', 'description': 'Carrying out the clinical hematology examination (hemoglobin, MCHC) to check the drug-related safety in 10 lung cancer patients within two weeks before surgery (g/dL)'}, {'measure': 'Hematology examination-6', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the clinical hematology examination (hemoglobin, MCHC) to check the drug-related safety in 10 lung cancer patients on POD 0 (g/dL)'}, {'measure': 'Hematology examination-7', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the clinical hematology examination (hemoglobin, MCHC) to check the drug-related safety in 10 lung cancer patients on POD 1 (g/dL)'}, {'measure': 'Hematology examination-8', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the clinical hematology examination (hemoglobin, MCHC) to check the drug-related safety in 10 lung cancer patients on POD 5 (g/dL)'}, {'measure': 'Hematology examination-9', 'timeFrame': 'within two weeks before surgery', 'description': 'Carrying out the clinical hematology examination (hematocrit, WBC differential) to check the drug-related safety in 10 lung cancer patients within two weeks before surgery (%)'}, {'measure': 'Hematology examination-10', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the clinical hematology examination (hematocrit, WBC differential) to check the drug-related safety in 10 lung cancer patients on POD0 (%)'}, {'measure': 'Hematology examination-11', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the clinical hematology examination (hematocrit, WBC differential) to check the drug-related safety in 10 lung cancer patients on POD1 (%)'}, {'measure': 'Hematology examination-12', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the clinical hematology examination (hematocrit, WBC differential) to check the drug-related safety in 10 lung cancer patients on POD5 (%)'}, {'measure': 'Hematology examination-13', 'timeFrame': 'within two weeks before surgery', 'description': 'Carrying out the clinical hematology examination (RBC count, WBC count, platelet count) to check the drug-related safety in 10 lung cancer patients within two weeks before surgery (10³/μl)'}, {'measure': 'Hematology examination-14', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the clinical hematology examination (RBC count, WBC count, platelet count) to check the drug-related safety in 10 lung cancer patients on POD0 (10³/μl)'}, {'measure': 'Hematology examination-15', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the clinical hematology examination (RBC count, WBC count, platelet count) to check the drug-related safety in 10 lung cancer patients on POD1 (10³/μl)'}, {'measure': 'Hematology examination-16', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the clinical hematology examination (RBC count, WBC count, platelet count) to check the drug-related safety in 10 lung cancer patients on POD5 (10³/μl)'}, {'measure': 'Hematology examination-17', 'timeFrame': 'within two weeks before surgery', 'description': 'Carrying out the clinical hematology examination (MCV) to check the drug-related safety in 10 lung cancer patients within two weeks before surgery(fL)'}, {'measure': 'Hematology examination-18', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the clinical hematology examination (MCV) to check the drug-related safety in 10 lung cancer patients on POD 0 (fL)'}, {'measure': 'Hematology examination-19', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the clinical hematology examination (MCV) to check the drug-related safety in 10 lung cancer patients on POD 1(fL)'}, {'measure': 'Hematology examination-20', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the clinical hematology examination (MCV) to check the drug-related safety in 10 lung cancer patients on POD 5 (fL)'}, {'measure': 'Hematology examination- 21', 'timeFrame': 'within two weeks before surgery', 'description': 'Carrying out the clinical hematology examination (MCH) to check the drug-related safety in 10 lung cancer patients within two weeks before surgery (pg)'}, {'measure': 'Hematology examination- 22', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the clinical hematology examination (MCH) to check the drug-related safety in 10 lung cancer patients and POD 0 (pg)'}, {'measure': 'Hematology examination- 23', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the clinical hematology examination (MCH) to check the drug-related safety in 10 lung cancer patients on POD 1 (pg)'}, {'measure': 'Hematology examination- 24', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the clinical hematology examination (MCH) to check the drug-related safety in 10 lung cancer patients on POD 5 (pg)'}, {'measure': 'Hematology examination- 25', 'timeFrame': 'within two weeks before surgery', 'description': 'Carrying out the clinical hematology examination (PT, aPTT) to check the drug-related safety in 10 lung cancer patients within two weeks before surgery (sec)'}, {'measure': 'Hematology examination- 26', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the clinical hematology examination (PT, aPTT) to check the drug-related safety in 10 lung cancer patients on POD 0 (sec)'}, {'measure': 'Hematology examination- 27', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the clinical hematology examination (PT, aPTT) to check the drug-related safety in 10 lung cancer patients on POD 1 (sec)'}, {'measure': 'Hematology examination- 28', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the clinical hematology examination (PT, aPTT) to check the drug-related safety in 10 lung cancer patients on POD 5 (sec)'}, {'measure': 'Check for changes of urinalysis-1', 'timeFrame': 'within two weeks before surgery', 'description': 'Carrying out the urinalysis examination(specific gravity, pH, glucose, bilirubin in urine) within two weeks before surgery (number)'}, {'measure': 'Check for changes of urinalysis-2', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the urinalysis examination(specific gravity, pH, glucose, bilirubin in urine) on POD 0 (number)'}, {'measure': 'Check for changes of urinalysis-3', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the urinalysis examination(specific gravity, pH, glucose, bilirubin in urine) on POD 1(number)'}, {'measure': 'Check for changes of urinalysis-4', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the urinalysis examination(specific gravity, pH, glucose, bilirubin in urine) on POD 5 (number)'}, {'measure': 'Check for changes of urinalysis-5', 'timeFrame': 'within two weeks before surgery', 'description': 'Carrying out the urinalysis examination(ketone, blood, protein, urobilinogen, nitrate in urine) to check the drug-related safety in 10 lung cancer patients within two weeks before surgery (0 or +1)'}, {'measure': 'Check for changes of urinalysis-6', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the urinalysis examination(ketone, blood, protein, urobilinogen, nitrate in urine) to check the drug-related safety in 10 lung cancer patients on POD 0 (0 or +1)'}, {'measure': 'Check for changes of urinalysis-7', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the urinalysis examination(ketone, blood, protein, urobilinogen, nitrate in urine) to check the drug-related safety in 10 lung cancer patients on POD 1 (0 or +1)'}, {'measure': 'Check for changes of urinalysis-8', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the urinalysis examination(ketone, blood, protein, urobilinogen, nitrate in urine) to check the drug-related safety in 10 lung cancer patients on POD 5 (0 or +1)'}, {'measure': 'Check for changes of urinalysis-9', 'timeFrame': 'within two weeks before surgery', 'description': 'Carrying out the urinalysis examination(WBC in urine) to check the drug-related safety in 10 lung cancer patients within two weeks before surgery(4 - 0 / HPF'}, {'measure': 'Check for changes of urinalysis-10', 'timeFrame': 'postoperative day 0', 'description': 'Carrying out the urinalysis examination(WBC in urine) to check the drug-related safety in 10 lung cancer patients on POD 0 (4 - 0 / HPF)'}, {'measure': 'Check for changes of urinalysis-11', 'timeFrame': 'postoperative day 1', 'description': 'Carrying out the urinalysis examination(WBC in urine) to check the drug-related safety in 10 lung cancer patients on POD 1 (4 - 0 / HPF)'}, {'measure': 'Check for changes of urinalysis-12', 'timeFrame': 'postoperative day 5', 'description': 'Carrying out the urinalysis examination(WBC in urine) to check the drug-related safety in 10 lung cancer patients on POD 5 (4 - 0 / HPF)'}, {'measure': 'Observation of the irritable adverse reaction', 'timeFrame': 'Up to 2 hours after drug injection', 'description': 'Observation of the irritable adverse reaction (Urticaria, angioedema, allergic rhinitis, anaphylaxis, exanthermatous eruption, fixed drug eruption, acneiform eruption, purpura eruption, urticarial eruption, bullous eruption, lichenoid eruption, Stevens-Johnson syndrom, acute generalized exanthematous pustulosis, toxic epidermal necrolysis) to check the drug-related safety in 10 lung cancer patients'}, {'measure': 'Effective dose measurement', 'timeFrame': 'Up to five days after surgery'}], 'secondaryOutcomes': [{'measure': 'Confirm the sentinel lymph node identification rate', 'timeFrame': 'Through study completion, an average of 1 year', 'description': 'Calculation the percentage of cancer cells found in pathological test among sentinel lymph nodes where fluorescent or nuclear signal are detected.'}, {'measure': 'Confirm the false negative rate', 'timeFrame': 'Through study completion, an average of 1 year', 'description': 'Calculation the proportion of cancer cells found in pathological tests among non-sentinel lymph nodes where no fluorescent or nuclear signals were detected.'}]}, 'oversightModule': {'oversightHasDmc': False, 'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'keywords': ['Lung Cancer', 'Sentinel lymph node', 'Radioactive fluorescent dual contrast agent'], 'conditions': ['Lung Cancer']}, 'descriptionModule': {'briefSummary': 'It is necessary to develop a technique of sentinel lymph node detection using radioactive fluorescent dual contrast agent consisting targetable albumin for specific marker to accurately determine whether or not the sentinel lymph nodes have metastasized or non-metastasized. Therefore, investigators would like to conduct a clinical trial to evaluate the effectiveness of radioactive fluorescent dual contrast agent to detect sentinel lymph nodes for patient-specific minimally invasive surgery.', 'detailedDescription': 'It is necessary to develop a technique of sentinel lymph node detection using radioactive fluorescent dual contrast agent consisting targetable albumin for specific marker to accurately determine whether or not the sentinel lymph nodes have metastasized or non-metastasized. Therefore, investigators would like to conduct a clinical trial to evaluate the effectiveness of radioactive fluorescent dual contrast agent (99mTc-MSA-ICG) to detect sentinel lymph nodes for patient-specific minimally invasive surgery.\n\nTo analyze the effectiveness of radioactive fluorescent dual contrast agent (99mTc-MSA-ICG) for detecting sentinel lymph node, total 10 lung cancer patients will participate in this study.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '20 Years', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\nPreoperative examinations (chest CT, PET/CT, bone scan, brain MRI) diagnosed the clinical stage as T1a or T1b with the size the cancer less than 2 cm and adenocarcinoma or square cell carcinoma through preoperative biopsy, with no lymph node or other diseases and lung disease. A person who meets the conditions described below and does not fall under the exclusion criteria is selected as an adult.\n\n* Eastern cooperative oncology group (ECOG) performance scale: 0\\~2\n* White blood cell count ≥ 3,000/㎣ and ≤ 12,000/㎣\n* Neutrophil count ≥ 1,500/㎣\n* Platelet count ≥ 100,000/㎣\n* AST, ALT ≤ 2.5 times the upper limit\n* Total bilirubin ≤ 2.5 times the upper limit\n* Serum creatinine ≤ 1.5 time the upper limit\n\nExclusion Criteria:\n\n* Those who do not agree or refuse to participate in the research\n* A person who is not suitable for general anesthesia\n* A person with a clinically significant acute or unstable condition\n* A person with the following serious heart disease\n\n 1. congestive heart failure with symptoms\n 2. New York Heart Association III/IV Class Heart Disease\n 3. Unstable angina\n 4. Symptom or unregulated heart arrhythmia\n 5. Myocardial infarction within the past three months\n 6. QT interval (QTcF) using Fridricia calibration\n 7. Family history of long QT syndrome\n* Those who cannot be scanned (e.g., patients with claustrophobia, ect.)\n* A person who received a therapeutic radiation dose within four weeks prior to participation in the study (\\[18F\\]FDG has a half-life of 109 minutes, so after 18.2 hours, 99mTc-MDP has a half-life of 6 hours, that is after 2.5 days)\n* A person who is being administered drugs such as a drug metabolic enzyme inducer or inhibitor within four weeks before participating in the study\n* A person who has overreacted or had side effects on clinical research medications (ICG or 99mTc).\n* Patients with closed diseases\n* Patients with iodine intolerance\n* In the case of pregnant women/feeding mothers or pregnant women, those who do not agree to the use of appropriate contraception methods during the research period;\n* A person who participated in another clinical study within 12 weeks before participating in the study and administered clinical research medications or received medical device procedures for clinical research.\n* Those who are unfit to participate in this clinical study in the judgment of the research manager'}, 'identificationModule': {'nctId': 'NCT05039905', 'briefTitle': 'SLN Detection With Tc-MSA-ICG in Lung Cancer Patients', 'organization': {'class': 'OTHER', 'fullName': 'Korea University Guro Hospital'}, 'officialTitle': 'Development of the Surgical Technique Using Radioactive Fluorescent Dual Contrast Agent for Intraoperative Sentinel Lymph Node Detection in Lung Cancer Patients', 'orgStudyIdInfo': {'id': '2020GR0436'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'EXPERIMENTAL', 'label': '99mTc-MSA-ICG injection', 'description': '99mTc-MSA-ICG injection\n\n1mCi of 99mTc\n\n1mg of MSA 0.1mg of ICG Total 1cc injection volume at 2 hours before the surgery', 'interventionNames': ['Drug: 99mTc-MSA-ICG']}], 'interventions': [{'name': '99mTc-MSA-ICG', 'type': 'DRUG', 'description': 'Intratumoral injection of 99mTechnetium-manosylated albumin-indocyanine green to lung cancer patients', 'armGroupLabels': ['99mTc-MSA-ICG injection']}]}, 'contactsLocationsModule': {'locations': [{'zip': '08308', 'city': 'Seoul', 'status': 'RECRUITING', 'country': 'South Korea', 'contacts': [{'name': 'Jiyun Rho, BA', 'role': 'CONTACT', 'email': 'jiyun.r1219@gmail.com', 'phone': '82-2-2626-1978'}, {'name': 'Seunghoe Song, MBE', 'role': 'CONTACT', 'email': 'ssessong@korea.ac.kr', 'phone': '82-2-2626-1635'}], 'facility': 'Korea University Guro Hospital', 'geoPoint': {'lat': 37.566, 'lon': 126.9784}}], 'centralContacts': [{'name': 'Hyun Koo Kim, MD, PhD', 'role': 'CONTACT', 'email': 'kimhyunkoo@korea.ac.kr', 'phone': '82-2-2626-3106'}, {'name': 'Jiyun Rho, BA', 'role': 'CONTACT', 'email': 'jiyun.r1219@gmail.com', 'phone': '82-2-2626-1978'}], 'overallOfficials': [{'name': 'Hyun Koo Kim, MD, PhD', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'Korea University Guro Hospital'}]}, 'ipdSharingStatementModule': {'ipdSharing': 'NO'}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Korea University Guro Hospital', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Professor of Thoracic and Cardiovascular Surgery', 'investigatorFullName': 'Hyun Koo Kim', 'investigatorAffiliation': 'Korea University Guro Hospital'}}}}