Raw JSON
{'hasResults': True, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D011470', 'term': 'Prostatic Hyperplasia'}], 'ancestors': [{'id': 'D011469', 'term': 'Prostatic Diseases'}, {'id': 'D005832', 'term': 'Genital Diseases, Male'}, {'id': 'D000091662', 'term': 'Genital Diseases'}, {'id': 'D000091642', 'term': 'Urogenital Diseases'}, {'id': 'D052801', 'term': 'Male Urogenital Diseases'}]}}, 'resultsSection': {'moreInfoModule': {'pointOfContact': {'email': 'teresa.takle-flach@bsci.com', 'phone': '9529306000', 'title': 'Director, Clinical Operations', 'organization': 'Boston Scientific'}, 'certainAgreement': {'piSponsorEmployee': False, 'restrictiveAgreement': False}}, 'adverseEventsModule': {'timeFrame': 'Adverse events were collected from the time of index procedure through the 60 month follow-up assessment.', 'description': 'AEs were adjudicated by an independent urologist who served on the Rezūm II Pivotal Study Clinical Events Committee (CEC).\n\n51 adverse events were reported by 14 subjects. Of the 51 events, 25 events (49.0%) were adjudicated as device related and 32 (62.7%) as procedure related.', 'eventGroups': [{'id': 'EG000', 'title': 'Rezum Treatment', 'description': 'Participants underwent the Rezūm transurethral needle ablation procedure to treat benign prostatic hyperplasia. They were followed for 5 years for adverse events and quality of life data.\n\nRezum System: The Rezūm System is designed to treat patients with bothersome urinary symptoms associated with benign prostatic hyperplasia (BPH). The Rezūm System utilizes radiofrequency current to generate "wet" thermal energy in the form of water vapor, which is then injected into the transition zone and/or median lobe of the prostate tissue in controlled 9-second doses. The vapor that is injected into the prostate tissue rapidly disperses through the interstitial space between the tissue cells. As the vapor cools, it condenses immediately on contact with tissue and the stored thermal energy is released, denaturing the cell membranes and causing cell death.\n\nThe denatured cells are absorbed by the body, which reduces the volume of prostate tissue adjacent to the urethra. The vapor condensation process also causes a rapid collapse of vasculature in the treatment zone, resulting in a bloodless procedure.', 'otherNumAtRisk': 15, 'deathsNumAtRisk': 15, 'otherNumAffected': 14, 'seriousNumAtRisk': 15, 'deathsNumAffected': 2, 'seriousNumAffected': 3}], 'otherEvents': [{'term': 'Urinary Tract Infection (UTI) - Suspected', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 9, 'numAffected': 7}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Urinary Retention', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 6, 'numAffected': 6}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Dysuria', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 5, 'numAffected': 4}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Hematuria', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 5, 'numAffected': 5}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Fever', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 4, 'numAffected': 3}], 'organSystem': 'General disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Poor Stream', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 4, 'numAffected': 3}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Urinary Urgency', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 3, 'numAffected': 2}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Infection (non UTI)', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 2, 'numAffected': 2}], 'organSystem': 'Infections and infestations', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Other', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'General disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Terminal Dribbling', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 2, 'numAffected': 2}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Urinary Frequency', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 2, 'numAffected': 2}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Hematuria with Clots and Retention', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Prostatic Urethral Injury', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'UTI - Prophylaxis', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Ureteral Calculi', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Urinary Incontinence - Urge', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}], 'seriousEvents': [{'term': 'Subject was surgically treated for a pre-existing hernia.', 'notes': 'This condition was present prior to treatment. Details were not available; the procedure was done at another site.', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Adenocarcinoma', 'notes': 'At 1 year follow up subjects PSA was 15.4. A prostate biopsy was scheduled. Biopsy results positive for Adenocarcinoma. Subject had a prostatectomy and was exited from the study.', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Urinary Retention', 'notes': 'Subject reported urinary retention at 3 month visit; treated medically. Subject reported continued urinary retention with fever and dysuria. A UTI was diagnosed; treated medically. Subsequently treated for retention followed by Prostatectomy.', 'stats': [{'groupId': 'EG000', 'numAtRisk': 15, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Renal and urinary disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}], 'frequencyThreshold': '0'}, 'outcomeMeasuresModule': {'outcomeMeasures': [{'type': 'PRIMARY', 'title': 'Change in International Prostate Symptom Score', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Rezum Treatment', 'description': 'Participants underwent the Rezūm transurethral needle ablation procedure to treat benign prostatic hyperplasia. They were followed for 5 years for adverse events and quality of life data.\n\nRezum System: The Rezūm System is designed to treat patients with bothersome urinary symptoms associated with benign prostatic hyperplasia (BPH). The Rezūm System utilizes radiofrequency current to generate "wet" thermal energy in the form of water vapor, which is then injected into the transition zone and/or median lobe of the prostate tissue in controlled 9-second doses. The vapor that is injected into the prostate tissue rapidly disperses through the interstitial space between the tissue cells. As the vapor cools, it condenses immediately on contact with tissue and the stored thermal energy is released, denaturing the cell membranes and causing cell death.\n\nThe denatured cells are absorbed by the body, which reduces the volume of prostate tissue adjacent to the urethra. The vapor condensation process also causes a rapid collapse of vasculature in the treatment zone, resulting in a bloodless procedure.'}], 'classes': [{'title': 'IPSS Change at 1 Week', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-6.1', 'spread': '13.8', 'groupId': 'OG000'}]}]}, {'title': 'IPSS Change at 1 Month', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-12.9', 'spread': '12.8', 'groupId': 'OG000'}]}]}, {'title': 'IPSS change at 3 months', 'denoms': [{'units': 'Participants', 'counts': [{'value': '14', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-14.6', 'spread': '9.1', 'groupId': 'OG000'}]}]}, {'title': 'IPSS change at 6 months', 'denoms': [{'units': 'Participants', 'counts': [{'value': '14', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-14.8', 'spread': '11.0', 'groupId': 'OG000'}]}]}, {'title': 'IPSS change at 12 months', 'denoms': [{'units': 'Participants', 'counts': [{'value': '13', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-13.6', 'spread': '7.5', 'groupId': 'OG000'}]}]}, {'title': 'IPSS change at 24 months', 'denoms': [{'units': 'Participants', 'counts': [{'value': '8', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-13.9', 'spread': '5.1', 'groupId': 'OG000'}]}]}, {'title': 'IPSS change at 36 months', 'denoms': [{'units': 'Participants', 'counts': [{'value': '9', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-7.6', 'spread': '6.4', 'groupId': 'OG000'}]}]}, {'title': 'IPSS change at 48 months', 'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-13.0', 'spread': '7.4', 'groupId': 'OG000'}]}]}, {'title': 'IPSS change at 60 months', 'denoms': [{'units': 'Participants', 'counts': [{'value': '7', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-7.6', 'spread': '6.3', 'groupId': 'OG000'}]}]}], 'paramType': 'MEAN', 'timeFrame': 'Baseline to 1 week, 1 month, 3 months, 6 months, 1 year, annually to 5 years', 'description': 'International Prostate Symptom Score (IPSS) scores were recorded at Baseline to 1 week, 1 month, 3 months, 6 months, 1 year, then annually to 5 years. The mean change in IPSS was calculated.\n\nThe IPSS is a validated questionnaire used to screen for, rapidly diagnose, track the symptoms of, and suggest management of the symptoms of benign prostatic hyperplasia (BPH). Scoring ranges from 0 to 35 with overall scores of 0-7 correlated to mildly symptomatic, 8-19 correlated to moderately symptomatic and 20-35 correlated to severely symptomatic. A reduction in score from baseline corresponds to improved outcome post procedure.', 'unitOfMeasure': 'score on a scale', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED', 'populationDescription': 'Mean change in score was calculated for the number of subjects providing data at each follow-up visit.'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Intra-procedural and Post-procedural Pain', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Rezum Treatment', 'description': 'Participants underwent the Rezūm transurethral needle ablation procedure to treat benign prostatic hyperplasia. They were followed for 5 years for adverse events and quality of life data.\n\nRezum System: The Rezūm System is designed to treat patients with bothersome urinary symptoms associated with benign prostatic hyperplasia (BPH). The Rezūm System utilizes radiofrequency current to generate "wet" thermal energy in the form of water vapor, which is then injected into the transition zone and/or median lobe of the prostate tissue in controlled 9-second doses. The vapor that is injected into the prostate tissue rapidly disperses through the interstitial space between the tissue cells. As the vapor cools, it condenses immediately on contact with tissue and the stored thermal energy is released, denaturing the cell membranes and causing cell death.\n\nThe denatured cells are absorbed by the body, which reduces the volume of prostate tissue adjacent to the urethra. The vapor condensation process also causes a rapid collapse of vasculature in the treatment zone, resulting in a bloodless procedure.'}], 'classes': [{'title': 'average pain score post-procedure (day of procedure)', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '3.5', 'spread': '2.7', 'groupId': 'OG000'}]}]}, {'title': 'average pain 1 day post-procedure', 'denoms': [{'units': 'Participants', 'counts': [{'value': '14', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '0.1', 'spread': '0.3', 'groupId': 'OG000'}]}]}, {'title': 'average pain 1 week post-procedure', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '0.2', 'spread': '0.6', 'groupId': 'OG000'}]}]}, {'title': 'average pain 1 month post-procedure', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '0.5', 'spread': '2.1', 'groupId': 'OG000'}]}]}, {'title': 'average pain 3 months post-procedure', 'denoms': [{'units': 'Participants', 'counts': [{'value': '14', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '0.0', 'spread': '0.0', 'groupId': 'OG000'}]}]}, {'title': 'average pain 6 months post-procedure', 'denoms': [{'units': 'Participants', 'counts': [{'value': '14', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '0.0', 'spread': '0.0', 'groupId': 'OG000'}]}]}], 'paramType': 'MEAN', 'timeFrame': 'Procedure Day, 1 day post procedure, 1 week post procedure, 1 month post procedure, 3 months post procedure ,6 months post procedure', 'description': 'Intra-procedural and post-procedural pain for each subject was assessed using the Wong Baker Pain Rating scale (0-10 with 0 indicating no pain and 10 indicating worst pain imaginable). Each subject selected the response on the pain scale that he felt best represented his pain level. Unless otherwise noted, the subjects were not given pain medications or anesthesia. All subjects were given an anti-anxiety medication plus a Non-Steroidal Anti-Inflammatory Drug (NSAID) pre-procedure.', 'unitOfMeasure': 'score on a scale', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED', 'populationDescription': 'Pain score was not collected for 1 subject at each of the following visits: 1 day, 3 month, and 6 month'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Number of Subjects Requiring Catheterization Post Procedure', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Rezum Treatment', 'description': 'Participants underwent the Rezūm transurethral needle ablation procedure to treat benign prostatic hyperplasia. They were followed for 5 years for adverse events and quality of life data.\n\nRezum System: The Rezūm System is designed to treat patients with bothersome urinary symptoms associated with benign prostatic hyperplasia (BPH). The Rezūm System utilizes radiofrequency current to generate "wet" thermal energy in the form of water vapor, which is then injected into the transition zone and/or median lobe of the prostate tissue in controlled 9-second doses. The vapor that is injected into the prostate tissue rapidly disperses through the interstitial space between the tissue cells. As the vapor cools, it condenses immediately on contact with tissue and the stored thermal energy is released, denaturing the cell membranes and causing cell death.\n\nThe denatured cells are absorbed by the body, which reduces the volume of prostate tissue adjacent to the urethra. The vapor condensation process also causes a rapid collapse of vasculature in the treatment zone, resulting in a bloodless procedure.'}], 'classes': [{'title': 'Subjects catheterized at 1 day post procedure', 'categories': [{'measurements': [{'value': '9', 'groupId': 'OG000'}]}]}, {'title': 'Subjects catheterized at 1 week post procedure', 'categories': [{'measurements': [{'value': '8', 'groupId': 'OG000'}]}]}, {'title': 'Subjects catheterized at 1 month post procedure', 'categories': [{'measurements': [{'value': '3', 'groupId': 'OG000'}]}]}], 'paramType': 'NUMBER', 'timeFrame': '1 day post procedure, 1 week post procedure, 1 month post procedure', 'description': 'All subjects were kept at the clinic for observation for 24 hours post-procedure. The number of subjects requiring post-procedure catheterization were recorded.', 'unitOfMeasure': 'participants', 'reportingStatus': 'POSTED', 'populationDescription': 'Number of subjects requiring post-procedure catheterization. Two (2) subjects were catheterized prior to the Rezūm study enrollment and treatment. The decision was made to move forward with treating both subjects. All subjects were observed for 24 hours in the clinic post-procedure. Post-procedure catheterization was allowed if determined that the subject had symptoms of retention (defined as failure to void within 8 hours post procedure) or required catheterization for other safety reasons.'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Post Procedure Catheterization Duration', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Rezum Treatment', 'description': 'Participants underwent the Rezūm transurethral needle ablation procedure to treat benign prostatic hyperplasia. They were followed for 5 years for adverse events and quality of life data.\n\nRezum System: The Rezūm System is designed to treat patients with bothersome urinary symptoms associated with benign prostatic hyperplasia (BPH). The Rezūm System utilizes radiofrequency current to generate "wet" thermal energy in the form of water vapor, which is then injected into the transition zone and/or median lobe of the prostate tissue in controlled 9-second doses. The vapor that is injected into the prostate tissue rapidly disperses through the interstitial space between the tissue cells. As the vapor cools, it condenses immediately on contact with tissue and the stored thermal energy is released, denaturing the cell membranes and causing cell death.\n\nThe denatured cells are absorbed by the body, which reduces the volume of prostate tissue adjacent to the urethra. The vapor condensation process also causes a rapid collapse of vasculature in the treatment zone, resulting in a bloodless procedure.'}], 'classes': [{'title': 'Overall catheterization duration (days) per subject', 'denoms': [{'units': 'Participants', 'counts': [{'value': '10', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '7.6', 'spread': '10.9', 'groupId': 'OG000'}]}]}, {'title': 'Overall catheterization duration (days) per episode (13 episodes in 10 subjects)', 'denoms': [{'units': 'Participants', 'counts': [{'value': '10', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '5.8', 'spread': '6.8', 'groupId': 'OG000'}]}]}], 'paramType': 'MEAN', 'timeFrame': '1 month post procedure', 'description': 'Measures the duration (days) of catheterization for subjects who required catheterization post procedure. Post-procedure catheterization was allowed if the Principal Investigator determined that the subject had symptoms of retention (defined as failure to void within 8 hours post procedure) or required catheterization for other safety reasons.', 'unitOfMeasure': 'days', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED', 'populationDescription': 'Data provided for subjects who underwent the Rezūm ablation procedure.'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Lesion Characteristics Via MRI (Changes in Lesion Volume)', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Rezum Treatment', 'description': 'Participants underwent the Rezūm transurethral needle ablation procedure to treat benign prostatic hyperplasia. They were followed for 5 years for adverse events and quality of life data.\n\nRezum System: The Rezūm System is designed to treat patients with bothersome urinary symptoms associated with benign prostatic hyperplasia (BPH). The Rezūm System utilizes radiofrequency current to generate "wet" thermal energy in the form of water vapor, which is then injected into the transition zone and/or median lobe of the prostate tissue in controlled 9-second doses. The vapor that is injected into the prostate tissue rapidly disperses through the interstitial space between the tissue cells. As the vapor cools, it condenses immediately on contact with tissue and the stored thermal energy is released, denaturing the cell membranes and causing cell death.\n\nThe denatured cells are absorbed by the body, which reduces the volume of prostate tissue adjacent to the urethra. The vapor condensation process also causes a rapid collapse of vasculature in the treatment zone, resulting in a bloodless procedure.'}], 'classes': [{'title': 'Mean percent change from 1 week to 1 month', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-53.7', 'spread': '17.8', 'groupId': 'OG000'}]}]}, {'title': 'Mean percent change from 1 week to 3 months', 'denoms': [{'units': 'Participants', 'counts': [{'value': '14', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-88.9', 'spread': '8.1', 'groupId': 'OG000'}]}]}, {'title': 'Mean percent change from 1 week to 6 months', 'denoms': [{'units': 'Participants', 'counts': [{'value': '14', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-95.8', 'spread': '4.8', 'groupId': 'OG000'}]}]}], 'paramType': 'MEAN', 'timeFrame': '1 week , 1 month, 3 months, 6 months post procedure', 'description': 'Lesion size and treated tissue resorption rate was measured by gadolinium enhanced MRI on all subjects at 1 week, 1 month, 3 months, and 6 months post-procedure. The percent change in lesion volume was calculated.', 'unitOfMeasure': 'percentage of change in lesion volume', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED', 'populationDescription': 'One subject (each) did not have MRI available at the 3 month and 6 month follow-up visit.'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Lesion Characteristics Via MRI (Changes in Prostate Volume)', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Rezum Treatment', 'description': 'Participants underwent the Rezūm transurethral needle ablation procedure to treat benign prostatic hyperplasia. They were followed for 5 years for adverse events and quality of life data.\n\nRezum System: The Rezūm System is designed to treat patients with bothersome urinary symptoms associated with benign prostatic hyperplasia (BPH). The Rezūm System utilizes radiofrequency current to generate "wet" thermal energy in the form of water vapor, which is then injected into the transition zone and/or median lobe of the prostate tissue in controlled 9-second doses. The vapor that is injected into the prostate tissue rapidly disperses through the interstitial space between the tissue cells. As the vapor cools, it condenses immediately on contact with tissue and the stored thermal energy is released, denaturing the cell membranes and causing cell death.\n\nThe denatured cells are absorbed by the body, which reduces the volume of prostate tissue adjacent to the urethra. The vapor condensation process also causes a rapid collapse of vasculature in the treatment zone, resulting in a bloodless procedure.'}], 'classes': [{'title': 'Mean percent change from 1 week to 1 month', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-14.7', 'spread': '13.2', 'groupId': 'OG000'}]}]}, {'title': 'Mean percent change from 1 week to 3 months', 'denoms': [{'units': 'Participants', 'counts': [{'value': '14', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-25.6', 'spread': '11.4', 'groupId': 'OG000'}]}]}, {'title': 'Mean percent change from 1 week to 6 months', 'denoms': [{'units': 'Participants', 'counts': [{'value': '14', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-32.3', 'spread': '10.8', 'groupId': 'OG000'}]}]}], 'paramType': 'MEAN', 'timeFrame': '1 week, 1 month, 3 months, 6 months post-procedure', 'description': 'Lesion size and treated tissue resorption rate was measured by gadolinium enhanced MRI on all subjects at 1 week, 1 month, 3 months, and 6 months post-procedure. The percent change in prostate volume was calculated.', 'unitOfMeasure': 'percentage of change in prostate volume', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED', 'populationDescription': 'One subject (each) did not have MRI data available at the 3 month and 6 month visit'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Lesion Characteristics Via MRI (Changes in Transition Zone Volume)', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Rezum Treatment', 'description': 'Participants underwent the Rezūm transurethral needle ablation procedure to treat benign prostatic hyperplasia. They were followed for 5 years for adverse events and quality of life data.\n\nRezum System: The Rezūm System is designed to treat patients with bothersome urinary symptoms associated with benign prostatic hyperplasia (BPH). The Rezūm System utilizes radiofrequency current to generate "wet" thermal energy in the form of water vapor, which is then injected into the transition zone and/or median lobe of the prostate tissue in controlled 9-second doses. The vapor that is injected into the prostate tissue rapidly disperses through the interstitial space between the tissue cells. As the vapor cools, it condenses immediately on contact with tissue and the stored thermal energy is released, denaturing the cell membranes and causing cell death.\n\nThe denatured cells are absorbed by the body, which reduces the volume of prostate tissue adjacent to the urethra. The vapor condensation process also causes a rapid collapse of vasculature in the treatment zone, resulting in a bloodless procedure.'}], 'classes': [{'title': 'Mean percent change from 1 week to 1 month', 'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-18.6', 'spread': '15.0', 'groupId': 'OG000'}]}]}, {'title': 'Mean percent change from 1 week to 3 months', 'denoms': [{'units': 'Participants', 'counts': [{'value': '14', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-30.4', 'spread': '13.6', 'groupId': 'OG000'}]}]}, {'title': 'Mean percent change from 1 week to 6 months', 'denoms': [{'units': 'Participants', 'counts': [{'value': '14', 'groupId': 'OG000'}]}], 'categories': [{'measurements': [{'value': '-37.7', 'spread': '14.6', 'groupId': 'OG000'}]}]}], 'paramType': 'MEAN', 'timeFrame': '1 week, 1 month, 3 months, 6 months post-procedure', 'description': 'Lesion size and treated tissue resorption rate was measured by gadolinium enhanced MRI on all subjects at 1 week, 1 month, 3 months, and 6 months post-procedure. The percent change in transition (TZ) zone volume was calculated', 'unitOfMeasure': 'percentage of change in TZ volume', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED', 'populationDescription': 'One subject (each) did not have MRI available at the 3 month and 6 month visit'}]}, 'participantFlowModule': {'groups': [{'id': 'FG000', 'title': 'Rezum Treatment', 'description': 'Participants underwent the Rezūm transurethral needle ablation procedure to treat benign prostatic hyperplasia. They were followed for 5 years for adverse events and quality of life data.\n\nRezum System: The Rezūm System is designed to treat patients with bothersome urinary symptoms associated with benign prostatic hyperplasia (BPH). The Rezūm System utilizes radiofrequency current to generate "wet" thermal energy in the form of water vapor, which is then injected into the transition zone and/or median lobe of the prostate tissue in controlled 9-second doses. The vapor that is injected into the prostate tissue rapidly disperses through the interstitial space between the tissue cells. As the vapor cools, it condenses immediately on contact with tissue and the stored thermal energy is released, denaturing the cell membranes and causing cell death.\n\nThe denatured cells are absorbed by the body, which reduces the volume of prostate tissue adjacent to the urethra. The vapor condensation process also causes a rapid collapse of vasculature in the treatment zone, resulting in a bloodless procedure.'}], 'periods': [{'title': 'Overall Study', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '15'}]}, {'type': 'COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '7'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '8'}]}], 'dropWithdraws': [{'type': 'Lost to Follow-up', 'reasons': [{'groupId': 'FG000', 'numSubjects': '3'}]}, {'type': 'Retreatment', 'reasons': [{'groupId': 'FG000', 'numSubjects': '3'}]}, {'type': 'Death', 'reasons': [{'groupId': 'FG000', 'numSubjects': '2'}]}]}], 'recruitmentDetails': 'This single arm, single center interventional study recruited subjects who met inclusion/exclusion criteria and consented to participate. Subjects on BPH medication underwent a washout period prior to treatment. Subjects who successfully completed the washout period and still met the inclusion/exclusion criteria were enrolled in the study. Subjects were considered officially enrolled only if treatment with the NxThera Rezūm System was attempted.'}, 'baselineCharacteristicsModule': {'denoms': [{'units': 'Participants', 'counts': [{'value': '15', 'groupId': 'BG000'}]}], 'groups': [{'id': 'BG000', 'title': 'Rezum Treatment', 'description': 'Participants underwent the Rezūm transurethral needle ablation procedure to treat benign prostatic hyperplasia. They were followed for 5 years for adverse events and quality of life data.\n\nRezum System: The Rezūm System is designed to treat patients with bothersome urinary symptoms associated with benign prostatic hyperplasia (BPH). The Rezūm System utilizes radiofrequency current to generate "wet" thermal energy in the form of water vapor, which is then injected into the transition zone and/or median lobe of the prostate tissue in controlled 9-second doses. The vapor that is injected into the prostate tissue rapidly disperses through the interstitial space between the tissue cells. As the vapor cools, it condenses immediately on contact with tissue and the stored thermal energy is released, denaturing the cell membranes and causing cell death.\n\nThe denatured cells are absorbed by the body, which reduces the volume of prostate tissue adjacent to the urethra. The vapor condensation process also causes a rapid collapse of vasculature in the treatment zone, resulting in a bloodless procedure.'}], 'measures': [{'title': 'Age, Continuous', 'classes': [{'categories': [{'measurements': [{'value': '69.9', 'spread': '8.8', 'groupId': 'BG000'}]}]}], 'paramType': 'MEAN', 'unitOfMeasure': 'years', 'dispersionType': 'STANDARD_DEVIATION'}, {'title': 'Sex: Female, Male', 'classes': [{'categories': [{'title': 'Female', 'measurements': [{'value': '0', 'groupId': 'BG000'}]}, {'title': 'Male', 'measurements': [{'value': '15', 'groupId': 'BG000'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Race/Ethnicity, Customized', 'classes': [{'title': 'Race/Ethnicity', 'categories': [{'title': 'Hispanic/Latino', 'measurements': [{'value': '14', 'groupId': 'BG000'}]}, {'title': 'Caucasian', 'measurements': [{'value': '1', 'groupId': 'BG000'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Region of Enrollment', 'classes': [{'title': 'Dominican Republic', 'categories': [{'measurements': [{'value': '15', 'groupId': 'BG000'}]}]}], 'paramType': 'NUMBER', 'unitOfMeasure': 'participants'}]}}, 'documentSection': {'largeDocumentModule': {'largeDocs': [{'date': '2012-03-09', 'size': 913366, 'label': 'Study Protocol and Statistical Analysis Plan', 'hasIcf': False, 'hasSap': True, 'filename': 'Prot_SAP_000.pdf', 'typeAbbrev': 'Prot_SAP', 'uploadDate': '2020-12-18T16:28', 'hasProtocol': True}]}}, 'protocolSection': {'designModule': {'phases': ['NA'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'NA', 'maskingInfo': {'masking': 'NONE'}, 'primaryPurpose': 'TREATMENT', 'interventionModel': 'SINGLE_GROUP'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 15}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2012-03-19', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2021-02', 'completionDateStruct': {'date': '2017-05-19', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2021-02-12', 'studyFirstSubmitDate': '2016-10-19', 'resultsFirstSubmitDate': '2020-12-18', 'studyFirstSubmitQcDate': '2016-10-19', 'lastUpdatePostDateStruct': {'date': '2021-03-05', 'type': 'ACTUAL'}, 'resultsFirstSubmitQcDate': '2021-02-12', 'studyFirstPostDateStruct': {'date': '2016-10-20', 'type': 'ESTIMATED'}, 'resultsFirstPostDateStruct': {'date': '2021-03-05', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2017-05-19', 'type': 'ACTUAL'}}, 'outcomesModule': {'otherOutcomes': [{'measure': 'Intra-procedural and Post-procedural Pain', 'timeFrame': 'Procedure Day, 1 day post procedure, 1 week post procedure, 1 month post procedure, 3 months post procedure ,6 months post procedure', 'description': 'Intra-procedural and post-procedural pain for each subject was assessed using the Wong Baker Pain Rating scale (0-10 with 0 indicating no pain and 10 indicating worst pain imaginable). Each subject selected the response on the pain scale that he felt best represented his pain level. Unless otherwise noted, the subjects were not given pain medications or anesthesia. All subjects were given an anti-anxiety medication plus a Non-Steroidal Anti-Inflammatory Drug (NSAID) pre-procedure.'}, {'measure': 'Number of Subjects Requiring Catheterization Post Procedure', 'timeFrame': '1 day post procedure, 1 week post procedure, 1 month post procedure', 'description': 'All subjects were kept at the clinic for observation for 24 hours post-procedure. The number of subjects requiring post-procedure catheterization were recorded.'}, {'measure': 'Post Procedure Catheterization Duration', 'timeFrame': '1 month post procedure', 'description': 'Measures the duration (days) of catheterization for subjects who required catheterization post procedure. Post-procedure catheterization was allowed if the Principal Investigator determined that the subject had symptoms of retention (defined as failure to void within 8 hours post procedure) or required catheterization for other safety reasons.'}, {'measure': 'Lesion Characteristics Via MRI (Changes in Lesion Volume)', 'timeFrame': '1 week , 1 month, 3 months, 6 months post procedure', 'description': 'Lesion size and treated tissue resorption rate was measured by gadolinium enhanced MRI on all subjects at 1 week, 1 month, 3 months, and 6 months post-procedure. The percent change in lesion volume was calculated.'}, {'measure': 'Lesion Characteristics Via MRI (Changes in Prostate Volume)', 'timeFrame': '1 week, 1 month, 3 months, 6 months post-procedure', 'description': 'Lesion size and treated tissue resorption rate was measured by gadolinium enhanced MRI on all subjects at 1 week, 1 month, 3 months, and 6 months post-procedure. The percent change in prostate volume was calculated.'}, {'measure': 'Lesion Characteristics Via MRI (Changes in Transition Zone Volume)', 'timeFrame': '1 week, 1 month, 3 months, 6 months post-procedure', 'description': 'Lesion size and treated tissue resorption rate was measured by gadolinium enhanced MRI on all subjects at 1 week, 1 month, 3 months, and 6 months post-procedure. The percent change in transition (TZ) zone volume was calculated'}], 'primaryOutcomes': [{'measure': 'Change in International Prostate Symptom Score', 'timeFrame': 'Baseline to 1 week, 1 month, 3 months, 6 months, 1 year, annually to 5 years', 'description': 'International Prostate Symptom Score (IPSS) scores were recorded at Baseline to 1 week, 1 month, 3 months, 6 months, 1 year, then annually to 5 years. The mean change in IPSS was calculated.\n\nThe IPSS is a validated questionnaire used to screen for, rapidly diagnose, track the symptoms of, and suggest management of the symptoms of benign prostatic hyperplasia (BPH). Scoring ranges from 0 to 35 with overall scores of 0-7 correlated to mildly symptomatic, 8-19 correlated to moderately symptomatic and 20-35 correlated to severely symptomatic. A reduction in score from baseline corresponds to improved outcome post procedure.'}]}, 'oversightModule': {'oversightHasDmc': False}, 'conditionsModule': {'keywords': ['Rezum'], 'conditions': ['Benign Prostatic Hyperplasia', 'Adenoma, Prostatic', 'Prostatic Adenoma', 'Prostatic Hyperplasia, Benign', 'Prostatic Hypertrophy', 'Prostatic Hypertrophy, Benign', 'Rezum']}, 'descriptionModule': {'briefSummary': 'Evaluate the effect of the NxThera BPH Rezum System on prostate tissue in subjects suffering from LUTS symptoms secondary to benign prostatic hyperplasia (BPH).', 'detailedDescription': 'Subjects with BPH symptoms were treated with the Rezum device with a range of thermal energies (as measured by calorie output) to optimize the setting for maximum lesion size with minimal intra and post-procedure discomfort. Lesion size and ablated tissue resorption rate was followed post-procedure at 1 week, 1 month, 3 months, and 6 months.'}, 'eligibilityModule': {'sex': 'MALE', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '45 Years', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n1. Male subjects \\> 45 years of age who have symptomatic / obstructive symptoms secondary to BPH requiring invasive intervention.\n2. IPSS score of ≥ 15.\n3. Qmax: Peak flow rate ≤ 15 ml/sec.\n4. Post-void residual (PVR) \\< 300 ml.\n5. Prostate transverse diameter \\> 30 mm.\n6. Prostate volume between 20 to 120 gm.\n7. Voided volume ≥ 125 ml.\n8. Subject able to complete the study protocol in the opinion of the Principal Investigator.\n9. Subject must be willing to undergo the procedure without anesthesia.\n\nExclusion Criteria:\n\n1. History of any illness or surgery that in the opinion of the Principal Investigator may confound the results of the study.\n2. Presence of a penile implant.\n3. Any prior minimally invasive intervention (e.g. TUNA,Laser, Microwave) or surgical intervention for the symptoms of BPH.\n4. Currently enrolled in another clinical trial.\n5. Confirmed or suspected malignancy of prostate or bladder.\n6. Previous rectal surgery (other than hemorrhoidectomy) or history of rectal disease.\n7. Previous pelvic irradiation or radical pelvic surgery.\n8. Documented active urinary tract infection by culture or bacterial prostatitis within last year documented by culture (UTI is defined as \\>100,000 colonies per ml urine from midstream clean catch or catheterization specimen).\n9. Neurogenic bladder or sphincter abnormalities.\n10. Urethral strictures, bladder neck contracture or muscle spasms.\n11. Bleeding disorder (note that use of anti-platelet medication is not an exclusion criterion).\n12. Subjects who are interested in maintaining fertility.\n13. Use of concomitant (or recent) medications to include the following:\n\n 1. Beta blockers, antihistamines, anticonvulsants, and antispasmodics within 1 week of treatment, unless there is documented evidence of stable dosing for last 6 months (e.g., no dose changes).\n 2. Alpha blockers, antidepressants, anticholinergics, androgens, or gonadotropin-releasing hormonal analogs within 2 weeks of treatment.\n 3. 5-alpha reductase inhibitor within the last 6 months\n14. Subject is unable or unwilling to go through a "washout" period for the above medications prior to treatment.\n15. Subject has chronic urinary retention.\n16. Significant urge incontinence.\n17. Poor detrusor muscle function.\n18. Neurological disorders which might affect bladder or sphincter function.\n19. Bladder stones.\n20. Renal impairment.\n21. In the opinion of the Principal Investigator, subject will not be able to adequately tolerate a rigid cystoscopy-type procedure.\n22. Unable or unwilling to sign the Informed Consent Form (ICF) and/or comply with all the required follow-up requirements.\n23. Any cognitive disorder that interferes with or precludes a subject from directly and accurately communicating with the Principal Investigator regarding the study.\n24. Peripheral arterial disease with intermittent claudication or Leriches Syndrome (i.e., claudication of the buttocks or perineum).\n25. Biopsy of the prostate within 30 days prior to the Rezūm procedure.'}, 'identificationModule': {'nctId': 'NCT02940392', 'acronym': 'Rezum FIM', 'briefTitle': 'Rezum FIM Optimization Study', 'organization': {'class': 'INDUSTRY', 'fullName': 'Boston Scientific Corporation'}, 'officialTitle': 'Rezum First in Man Feasibility Study for the Treatment of BPH With the Rezum System', 'orgStudyIdInfo': {'id': '1633-001'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'EXPERIMENTAL', 'label': 'Rezum Treatment', 'description': 'Patients will receive the Rezūm transurethral needle ablation procedure to treat benign prostatic hyperplasia.', 'interventionNames': ['Device: Rezum System']}], 'interventions': [{'name': 'Rezum System', 'type': 'DEVICE', 'otherNames': ['Rezum Procedure', 'Rezum', 'Water Vapor Ablation', 'Rezum Delivery Device', 'Rezum Generator'], 'description': 'The Rezūm System is designed to treat patients with bothersome urinary symptoms associated with benign prostatic hyperplasia (BPH). The Rezūm System utilizes radiofrequency current to generate "wet" thermal energy in the form of water vapor, which is then injected into the transition zone and/or median lobe of the prostate tissue in controlled 9-second doses. The vapor that is injected into the prostate tissue rapidly disperses through the interstitial space between the tissue cells. As the vapor cools, it condenses immediately on contact with tissue and the stored thermal energy is released, denaturing the cell membranes and causing cell death.\n\nThe denatured cells are absorbed by the body, which reduces the volume of prostate tissue adjacent to the urethra. The vapor condensation process also causes a rapid collapse of vasculature in the treatment zone, resulting in a bloodless procedure.', 'armGroupLabels': ['Rezum Treatment']}]}, 'contactsLocationsModule': {'locations': [{'city': 'La Romana', 'country': 'Dominican Republic', 'facility': 'Clinica Canela', 'geoPoint': {'lat': 18.42332, 'lon': -68.96635}}]}, 'ipdSharingStatementModule': {'ipdSharing': 'NO'}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Boston Scientific Corporation', 'class': 'INDUSTRY'}, 'responsibleParty': {'type': 'SPONSOR'}}}}