DISSOLVE I
A Randomized Double-Blind, Placebo-Controlled Study of SEL-212 in Patients With Gout Refractory to Conventional Therapy
Sponsor study identifier
interventional
112
1 country
40
Study Start
August 18, 2020
Actual (reported)Primary Completion
July 21, 2022
Actual (reported)Study Completion
December 1, 2022
Actual (reported)This is one of two replicate randomized, double-blind, placebo-controlled, parallel arm trials to determine the safety and efficacy of two different dose levels of SEL-212 compared to placebo. 112 and 153 patients, stratified as to the presence or absence of tophi, were randomized in a 1:1:1 allocation ratio prior to Baseline to receive treatment with one of two dose levels of SEL-212 or placebo every 28 days for approximately 6 months in each trial respectively (SEL-212/301 and SEL-212/302). Analysis of primary and key efficacy was performed at Day 28 of Treatment Period 6. Safety was monitored throughout the study.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
December 1, 2022
Actual (reported)Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
August 7, 2020
Actual (reported)August 14, 2020
Actual (reported)August 18, 2020
Actual (reported)July 21, 2022
Actual (reported)December 1, 2022
Actual (reported)September 11, 2025
Actual (reported)Proportion of Participants Who Achieved and Maintained Reduction in Serum Uric Acid (sUA) < 6 Milligrams Per Deciliter (mg/dL) for At Least 80% of The Time During Treatment Period 6 (Month 6)
Month 6
Change From Baseline in Mean sUA
Baseline, Up to 6 months
Percentage Change From Baseline in Mean sUA
Baseline, Up to 6 months
Change From Baseline in the Physical Component Summary Score of the Short Form Health Survey (SF-36)
Baseline, Up to 6 months
Proportion of Participants With at Least Partial Response (PR) (as Best Response) in Overall Tophus Response Evaluation in Participants With Tophi at Baseline
Baseline up to 6 months
Proportion of Participants Who Achieved and Maintained Reduction of sUA < 6 mg/dL for at Least 80% of the Time During Month 6 in the Subset of Participants With Tophi at Baseline
Baseline up to 6 months
SEL-212 low-dose Drug: SEL-037 (0.2 mg/kg) SEL-037, PEGylated uric acid specific enzyme (uricase) Other Names: Pegadricase, pegsiticase Drug: SEL-110.36 (0.1 mg/kg) SEL-110.36, ImmTOR
SEL-212 high-dose Drug: SEL-037 (0.2 mg/kg) SEL-037, PEGylated uric acid specific enzyme (uricase) Other Names: Pegadricase, pegsiticase Drug: SEL-110.36 (0.15 mg/kg) SEL-110.36, ImmTOR
IV infusion of SEL-212 low-dose every 28 days for a total of up to 12 infusions
IV infusion of SEL-212 high-dose every 28 days for a total of up to 12 infusions
Pinnacle Research Group
Anniston, Alabama, 36207, United States
Arizona Arthritis & Rheumatology Research, PLLC
Sun City, Arizona, 85351, United States
Medvin Clinical Research
Covina, California, 91722, United States
Valerius Medical Group & Research Center
Los Alamitos, California, 90720, United States
ACRC Studies
Poway, California, 92064, United States
MD Strategies Research Center
San Diego, California, 92119, United States
Tekton Research - Fort Collins
Fort Collins, Colorado, 80528, United States
112 participants (actual enrollment reported by the registry).
First Submitted
August 7, 2020
First Posted
August 14, 2020
Study Start
August 18, 2020
Actual (reported)SILtuximab in Viral ARds (SILVAR) Study
Normal saline
IV infusion of Normal Saline every 28 days for a total of up to 12 infusions
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Contact the study team to confirm eligibility.
Helix Biomedics, LLC
Boynton Beach, Florida, 33435, United States
Clinical Research Of West Florida Incorporated
Clearwater, Florida, 33765, United States
Omegas Research Consultants LLC
DeBary, Florida, 32713, United States
Riverside Clinical Research
Edgewater, Florida, 32132, United States
Homestead Associates in Research,Inc
Homestead, Florida, 33032, United States
Health Awareness INC
Jupiter, Florida, 33458, United States
Y & L Advance Health Care, Inc
Miami, Florida, 33144, United States
Well Pharma Medical Research, Corp
Miami, Florida, 33173, United States
Panax Clinical Research
Miami Lakes, Florida, 33014, United States
Clinical Research of West Florida, Inc.
Tampa, Florida, 33606, United States
Conquest Research
Winter Park, Florida, 32789, United States
Better Health Clinical Research, Inc.
Newnan, Georgia, 30265, United States
Institute of Arthritis Research
Idaho Falls, Idaho, 83404, United States
Advanced Clinical Research (ACR) - Family Practice/General Medicine - Meridian
Meridian, Idaho, 83642, United States
L-MARC Research Center
Louisville, Kentucky, 40213, United States
Research Integrity, LLC
Owensboro, Kentucky, 42303, United States
Klein and Associates, M.D., P.A.
Cumberland, Maryland, 21502, United States
Klein and Associates, M.D., P.A.
Hagerstown, Maryland, 21740, United States
Clinical Pharmacology Study Group
Worcester, Massachusetts, 01605, United States
Elite Clinical Research, LLC
Jackson, Mississippi, 39216, United States
Arthritis Consultants, Inc.
St Louis, Missouri, 63141, United States
Montana Medical Research, Inc.
Missoula, Montana, 59808, United States
Medex Healthcare Research, Inc.
New York, New York, 10036, United States
CFA - Cape Fear Arthritis Care, PLLC
Leland, North Carolina, 28451, United States
New Horizons Clinical Research
Cincinnati, Ohio, 45242, United States
Arthritis & Rheumatology Center of Oklahoma, PLLC
Oklahoma City, Oklahoma, 73102, United States
West Tennessee Research Institute
Jackson, Tennessee, 38305, United States
Metroplex Clinical Research Center
Dallas, Texas, 75231, United States
Pioneer Research Solutions, Inc.
Houston, Texas, 77099, United States
Southwest Rheumatology Research LLC
Mesquite, Texas, 75150, United States
AIM Trials - Internal Medicine
Plano, Texas, 75234, United States
Epic Medical Research
Red Oak, Texas, 75154, United States
Clinical Research Partners, LLC
Richmond, Virginia, 23220, United States
Primary Completion
July 21, 2022
Actual (reported)Study Completion
December 1, 2022
Actual (reported)Last Updated
September 11, 2025
Results First Posted
September 11, 2025
Record last verified: 2025-08
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Source: ClinicalTrials.gov.
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