Viewing Study NCT04558957


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Study NCT ID: NCT04558957
Status: COMPLETED
Last Update Posted: 2023-06-18
First Post: 2020-09-16
Is NOT Gene Therapy: True
Has Adverse Events: False

Brief Title: Clinical Study to Assess the Safety and Efficacy of Mechanochemical Ablation With Flebogrif in Patients With Great Saphenous Vein Insufficiency
Sponsor:
Organization:

Raw JSON

{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D019575', 'term': 'Blindness, Cortical'}], 'ancestors': [{'id': 'D001766', 'term': 'Blindness'}, {'id': 'D014786', 'term': 'Vision Disorders'}, {'id': 'D012678', 'term': 'Sensation Disorders'}, {'id': 'D009461', 'term': 'Neurologic Manifestations'}, {'id': 'D009422', 'term': 'Nervous System Diseases'}, {'id': 'D005128', 'term': 'Eye Diseases'}, {'id': 'D012816', 'term': 'Signs and Symptoms'}, {'id': 'D013568', 'term': 'Pathological Conditions, Signs and Symptoms'}]}}, 'protocolSection': {'designModule': {'phases': ['NA'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'NA', 'maskingInfo': {'masking': 'NONE'}, 'primaryPurpose': 'TREATMENT', 'interventionModel': 'SINGLE_GROUP'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 200}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2019-08-08', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2023-06', 'completionDateStruct': {'date': '2023-04-28', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2023-06-15', 'studyFirstSubmitDate': '2020-09-16', 'studyFirstSubmitQcDate': '2020-09-21', 'lastUpdatePostDateStruct': {'date': '2023-06-18', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2020-09-22', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2021-08-12', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Primary efficacy endpoint: Occlusion rate', 'timeFrame': '3 months', 'description': 'Primary efficacy endpoint: Occlusion rate of the great saphenous vein in the treated segment at 3 months'}, {'measure': 'Primary safety endpoint: Rate of SAE', 'timeFrame': '30 days after the procedure', 'description': 'Primary safety endpoint: Rate of serious adverse events within 30 days after the procedure'}], 'secondaryOutcomes': [{'measure': 'Occlusion rate', 'timeFrame': '1, 6, 12, 18, 24 months', 'description': 'Occlusion rate of the great saphenous vein at 1, 6, 12, 18 and 24 months'}, {'measure': 'Number of Participants with no reflux in treated segment of the vein', 'timeFrame': '1, 3, 6, 12, 18, 24 months', 'description': 'Number of Participants with no reflux in the treated segment of the great saphenous vein at 1, 3, 6, 12, 18 and 24 months'}, {'measure': 'Change in quality of life by Aberdeen Varicose Vein Questionnaire', 'timeFrame': '12 and 24 months', 'description': 'Change in quality of life measured with the use of the Aberdeen Varicose Vein Questionnaire at 12 and 24 months\n\nScale score: 0-100; higher score = worse outcome.'}, {'measure': 'Clinical success - changes in rVCSS', 'timeFrame': '12 and 24 months', 'description': 'Clinical success, defined as change in rVCSS classification (Revised Venous Clinical Severity Score) after 12 and 24 months\n\nScale score 0-30; higher score = worse outcome.'}, {'measure': 'Assessment of pain during the procedure', 'timeFrame': 'During procedure', 'description': 'Assessment of pain during the procedure (Visual Analogue Pain Scale, VAPS) ranging from 0 to 10. Pain assessed using the Visual Analogue Scale (range 0-10; 0 = no pain; 2 = mild pain, 4 = nagging, annoying pain; 6 = severe pain; 8 = very severe pain; 10 = unbearable pain).'}, {'measure': 'Assessment of pain within 0-7 days after the procedure: Visual Analogue Scale', 'timeFrame': '0-7 days after procedure', 'description': 'Assessment of pain within 0-7 days after the procedure (VAPS 0-10, daily assessment). Pain assessed using the Visual Analogue Scale (range 0-10; 0 = no pain; 2 = mild pain, 4 = nagging, annoying pain; 6 = severe pain; 8 = very severe pain; 10 = unbearable pain).'}, {'measure': 'Assessment of the need for analgesic treatment', 'timeFrame': '0-7 days after procedure', 'description': 'Assessment of the need for analgesic treatment after the procedure (0-7 days)'}, {'measure': 'Period needed to resume normal activities', 'timeFrame': 'up to 2 years after the treatment', 'description': 'Period needed to resume normal activities'}, {'measure': 'Period needed to return to work (sick leave period)', 'timeFrame': 'up to 2 years after the treatment', 'description': 'Period needed to return to work (sick leave period)'}, {'measure': 'Complications rate', 'timeFrame': 'up to 2 years after the treatment', 'description': 'Complications rate including deep vein thrombosis, nerve damage, infections, etc.'}]}, 'oversightModule': {'isUsExport': False, 'oversightHasDmc': False, 'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'conditions': ['Chronic Venous Insufficiency, CVI']}, 'descriptionModule': {'briefSummary': 'The objective of the study is to collect clinical data of patients in whom Flebogrif® will have been used for mechanochemical ablation of incompetent veins in the follow-up period, as related to the safety, clinical effectiveness, properties and advantages of Flebogrif®.\n\nThe proposed study is a prospective, multi-centre clinical trial assessing the safety, efficacy and quality of Flebogrif® in a population of patients with the incompetent great saphenous vein, who require surgical treatment.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'maximumAge': '85 Years', 'minimumAge': '18 Years', 'healthyVolunteers': False, 'eligibilityCriteria': 'Study inclusion criteria:\n\n1. Signing the Informed Consent Form by the patient found eligible for the treatment with the mechanochemical method\n2. The patient declares willingness to participate in the study and in the monitoring visits envisaged in the study protocol\n3. A patient with diagnosed varicose veins and diagnosed great saphenous vein (GSV) insufficiency confirmed by ultrasound (CEAP class C2-C6)\n4. Favourable anatomy enabling the introduction of the Flebogrif® guidewire/catheter and positioning of its top part at the dedicated site (2-3 cm below SFJ)\n5. Diameter of the treated vein of 4-10 mm\n6. No data or no history indicating an allergy to the sclerosing chemicals used in the mechanochemical method (polidocanol), on the basis of the information obtained from the patient and the available medical records\n7. No clinical symptoms indicating (chronic, critical) lower limb ischaemia precluding the use of compression, on the basis of a physical examination or, in unclear cases, of a Doppler ultrasound examination\n8. No medical information or no history of coagulation system dysfunction of the type of thrombophilia or bleeding diatheses\n9. No cutaneous lesions (purulent, bullous) within the limb found eligible for treatment with the mechanochemical method\n10. No clinical data indicating recent thrombosis within the deep vein system\n11. No clinical data on diabetes with vascular complications\n12. No clinical data indicating an active neoplastic process\n\nStudy exclusion criteria:\n\n1. Recent deep vein thrombosis or occlusion\n2. Congenital disorders with associated occlusion of deep system veins\n3. Pregnancy and breast-feeding\n4. Lower limb ischaemia\n5. Severe lymphatic oedema\n6. Bleeding diatheses\n7. Documented allergic reaction to sclerosing chemicals used in mechanochemical vein ablation\n8. Purulent dermatoses affecting the limb found eligible for treatment with mechanochemical vein ablation\n9. Previous procedures on insufficiency veins of the superficial system\n10. Acute infection\n11. History of great saphenous vein thrombosis\n12. End-stage kidney disease'}, 'identificationModule': {'nctId': 'NCT04558957', 'acronym': 'POLFLEB', 'briefTitle': 'Clinical Study to Assess the Safety and Efficacy of Mechanochemical Ablation With Flebogrif in Patients With Great Saphenous Vein Insufficiency', 'organization': {'class': 'INDUSTRY', 'fullName': 'Balton Sp.zo.o.'}, 'officialTitle': 'Prospective, Multi-centre Clinical Study to Assess the Safety and Efficacy of Mechanochemical Ablation With the Use of Flebogrif in Patients With Great Saphenous Vein Insufficiency', 'orgStudyIdInfo': {'id': 'POLFLEB'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'EXPERIMENTAL', 'label': 'FLEBOGRIF', 'description': 'Interventions will be performed using Flebogrif catheter.', 'interventionNames': ['Device: FLEBOGRIF']}], 'interventions': [{'name': 'FLEBOGRIF', 'type': 'DEVICE', 'description': 'The catheter is a device dedicated to mechano-chemical ablation of insufficient veins of the superficial system.', 'armGroupLabels': ['FLEBOGRIF']}]}, 'contactsLocationsModule': {'locations': [{'zip': '66-400', 'city': 'Gorzów Wielkopolski', 'country': 'Poland', 'facility': 'Centrum Chirurgii i Stomatologii Jaworuccy Sp. P.', 'geoPoint': {'lat': 52.73371, 'lon': 15.22505}}, {'zip': '40-611', 'city': 'Katowice', 'country': 'Poland', 'facility': 'Centrum Medyczne Angelius Provita; Europejskie Centrum Flebologii', 'geoPoint': {'lat': 50.2597, 'lon': 19.02173}}, {'zip': '20-950', 'city': 'Lublin', 'country': 'Poland', 'facility': 'Medyczne Centrum Nałęczów sp. z o.o.', 'geoPoint': {'lat': 51.25058, 'lon': 22.57009}}, {'zip': '54-130', 'city': 'Wroclaw', 'country': 'Poland', 'facility': 'Klinika Dorobisz', 'geoPoint': {'lat': 51.10286, 'lon': 17.03006}}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Balton Sp.zo.o.', 'class': 'INDUSTRY'}, 'collaborators': [{'name': 'KCRI', 'class': 'OTHER'}], 'responsibleParty': {'type': 'SPONSOR'}}}}