New monthly shot shows promise for Tough-to-Treat gout
NCT ID NCT04596540
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a new medicine called SEL-212 for people with chronic gout that doesn't get better with standard treatments. 153 adults received either one of two doses of SEL-212 or a placebo every 28 days for about 6 months. The goal was to see if the drug could lower uric acid levels below a target and keep them there, which may help control gout symptoms.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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153 people
The number who actually took part.
- Started
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Nov 2020
- Finished
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Jan 2023
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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19 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Has negative results of an FDA Emergency Use Authorized COVID-19 molecular assay for detection of SARS-CoV-2 RNA from a nasal or oropharyngeal specimen; 2. History of symptomatic gout defined as: 1. ≥ 3 gout flares within 18 months of Screening or 2. Presence of ≥ 1 gout tophus or 3. Current diagnosis of gouty arthritis 3. At the Screening Visit: male age 21 - 80 years, inclusive, or female of non-childbearing potential age 21-80 years, inclusive, where nonchildbearing potential is defined as: 1. \> 6 weeks after hysterectomy with or without surgical bilateral salpingo-oophorectomy or 2. Post-menopausal (\> 24 months of natural amenorrhea or in the absence of \>24 months of amenorrhea, one documented confirmatory FSH measurement) 4. Has chronic refractory gout defined as having failed to normalize sUA and whose signs and symptoms are inadequately controlled with any of the xanthine oxidase inhibitors, or for whom these drugs are contraindicated for the patient; 5. Has at the Screening Visit SUA ≥ 7 mg/dL 6. Negative serology for HIV-1/-2 and negative antigen to hepatitis B and negative antibodies to hepatitis C; Exclusion Criteria: 1. Has a history of anaphylaxis, severe allergic reactions, or severe atopy; 2. Has a history of any allergy to pegylated products, including, but not limited to pegloticase (Krystexxa®), peginterferon alfa-2a (Pegasys®), peginterferon alfa-2b (PegIntron®), pegfilgrastim (Neulasta®), pegaptanib (Macugen®), pegaspargase (Oncaspar®), pegademase (Adagen®), peg-epoetin beta (Mircera®), pegvisomant (Somavert®) certolizumab pegol (Cimzia®), naloxegol (Movantik®), peginesatide (Omontys®), and doxorubicin liposome (Doxil®); 3. Is taking and cannot discontinue known major CYP3A4/P-gp inhibitors or major CYP3A4/P-gp inducers at least 14 days before dosing. Patients must remain off these medications for the duration of the study, including natural products such as St. John's Wort or grapefruit juice. 4. Is taking drugs known to interact with rapamycin (sirolimus - Rapamune®) such as cyclosporine, diltiazem, erythromycin, ketoconazole, posaconazole, voriconazole, itraconazole, rifampin, verapamil unless they are stopped 14 days prior to dosing and will not be used/prescribed during the trial. 5. Had major surgery within 3 months of initial screening. 6. Had a gout flare during Screening that was resolved for less than 1 week prior to first treatment with study drug (exclusive of chronic synovitis/arthritis) unless the patient has a history of inter-flare intervals of \< 1 week. 7. Has uncontrolled diabetes at Screening with HbA1c ≥ 8.5%; 8. Has fasting Screening glucose \> 240 mg/dL; 9. Has fasting Screening triglyceride \> 500 mg/dL; 10. Has fasting Screening low-density lipoprotein (LDL) \> 200 mg/dL; 11. Has glucose-6-phosphate dehydrogenase (G6PD) deficiency; 12. Has uncontrolled hypertension defined as blood pressure \> 170/100 mmHg at Screening and 1 week prior to dosing 13. Individual laboratory values which are exclusionary * White blood cell count (WBC) \< 3.0 x109/L * Serum aspartate aminotransferase (AST) or alanine amino transferase (ALT) \> 3x upper limit of normal (ULN) in the absence of known active liver disease * Estimated glomerular filtration rate (eGFR) \< 30 mL/min/1.73 m2 * Urine albumin creatinine ratio (UACR) \> 30 mg/g * Hemoglobin (Hgb) \< 9 g/dL * Serum phosphate \< 2.0 mg/dL 14. Is receiving ongoing treatment for arrhythmia, including placement of an implantable defibrillator, unless considered stable and on active treatment; 15. Has evidence of unstable cardiovascular disease or unstable cerebrovascular vascular disease. This includes patients who have had a cardiac/vascular event(s) in the last 3 months including heart attack, stroke or vascular bypass surgery or patients who are deemed, by their physician or PI, to have active cardiovascular, cerebrovascular or peripheral vascular symptoms/disease inadequately controlled by medication; 16. Has congestive heart failure, New York Heart Association Class III or IV; 17. Unless clinically stable and/or appropriately treated, electrocardiogram (ECG) with evidence of clinically significant arrhythmia or other abnormalities that, in the opinion of the investigator, are consistent with significant underlying cardiac disease; 18. History of significant hematological disorders within 5 years or autoimmune disorders, and/or patient is currently immunosuppressed or immunocompromised; 19. Prior exposure to any experimental or marketed uricase (e.g., rasburicase (Elitek, Fasturtec), pegloticase (Krystexxa®®), pegadricase (SEL 037)) 20. Patient has received a live vaccine in the previous 6 months. 21. Patient is planning to receive any live vaccine during the study. 22. History of malignancy within the last 5 years other than basal skin cancer; 23. Patients with a documented history of moderate or severe alcohol or substance use disorder within the 12 months prior to randomization. 24. History of or evidence of clinically severe interstitial lung disease 25. Immunocompromised state, regardless of etiology
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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AIM Trials - Internal Medicine
Plano, Texas, 75074, United States
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Aleksandre Aladashvili Clinic LLC
Tbilisi, 0102, Georgia
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Altoona Center for Clinical Research
Duncansville, Pennsylvania, 16635, United States
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Amarillo Center for Clinical Research, Ltd.
Amarillo, Texas, 79124, United States
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Arthritis Center of North Georgia, LLC
Gainesville, Georgia, 30501, United States
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Arthritis Northwest, PLLC - Research
Spokane, Washington, 99204, United States
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Carolina Research Center, Inc
Shelby, North Carolina, 28150, United States
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Cherkaska Oblasna likarnia
Cherkasy, 18009, Ukraine
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Clinical Hospital Center Bezanisjka Kosa
Belgrade, 11080, Serbia
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Clinical Research Of West Florida Incorporated
Clearwater, Florida, 33765, United States
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Clinical Research of West Florida, Inc.
Tampa, Florida, 33606, United States
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Clinical Rheumatological Hospital #25
Saint Petersburg, Sankt-Peterburg, 190068, Russia
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Conquest Research
Winter Park, Florida, 32789, United States
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D&H National Research Centers
Miami, Florida, 33155, United States
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Elite Clinical Research, LLC
Jackson, Mississippi, 39202, United States
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GBOU VPO Orenburg State Medical University
Orenburg, Orenburg Oblast, 460018, Russia
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Great Lakes Clinical Trials LLC
Chicago, Illinois, 60640, United States
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Great Lakes Clinical Trials at Ravenswood Rheumatology
Chicago, Illinois, 60640, United States
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Heritage Rheumatology and Arthritis Care
Colleyville, Texas, 76034, United States
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Homestead Associates in Research,Inc
Miami, Florida, 33032, United States
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Horizon Clinical Research
Fayetteville, Georgia, 30214, United States
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Injury Care Medical Center
Boise, Idaho, 83713, United States
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Institute for Rheumatology
Belgrade, 11000, Serbia
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Institute for Rheumatology - Rheumatology
Belgrade, 11000, Serbia
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Institute for Treatment and Rehabilitation Niska Banja
Niška Banja, Nišavski Okrug, 18205, Serbia
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JSC "Evex Hospitals"
Tbilisi, 0159, Georgia
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Kyivska klinichna likarnia na
Kyiv, 03049, Ukraine
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LTD "The First Medical Center"
Tbilisi, 0180, Georgia
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LTD Georgian-Dutch Hospital
Tbilisi, 0172, Georgia
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LTD Israeli-Georgian Medical Research Clinic "Helsicore"
Tbilisi, 0112, Georgia
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LTD MediClub Georgia
Tbilisi, 0160, Georgia
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META Medical Research Institute LLC
Dayton, Ohio, 45432, United States
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Medical-sanitary unit #157 - Rheumatology
Saint Petersburg, Sankt-Peterburg, 196066, Russia
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Medication Management of Greensboro
Greensboro, North Carolina, 27408, United States
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Medychnyi tsentr Tovarystva z
Zaporizhzhia, Zaporizhzhia Oblast, 69005, Ukraine
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Military Medical Academy
Belgrade, 11000, Serbia
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Napa Research
Pompano Beach, Florida, 33064, United States
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Naukovo-Doslidnyi Inst. Reabil
Vinnytsia, Vinnytsia Oblast, 21029, Ukraine
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New Phase Research and Development
Knoxville, Tennessee, 37909, United States
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Omegas Research Consultants LLC
DeBary, Florida, 32713, United States
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Panax Clinical Research
Miami Lakes, Florida, 33014, United States
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Pioneer Research Solutions, Inc.
Houston, Texas, 77099, United States
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Republican Hospital n.a. V.A. Baranov
Petrozavodsk, Kareliya, Respublika, 185019, Russia
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Research Institute of Rheumatology n.a. Nasonova
Moscow, Moscow, 115522, Russia
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Rutgers- New Jersey Medical School
Newark, New Jersey, 07103, United States
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Ryazan State Medical University n. a. I.P. Pavlov
Ryazan, Ryazan Oblast, 390039, Russia
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Southwest Rheumatology Research LLC
Mesquite, Texas, 75150, United States
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Sweet Hope Research Specialty, Inc
Hialeah, Florida, 33016, United States
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The Center for Rheumatology and Bone Research
Wheaton, Maryland, 20902, United States
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Tovarystvo z obmezhenoi vidpov
Kyiv, Kyïv, 02081, Ukraine
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Triad Clinical Trials
Greensboro, North Carolina, 27410, United States
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University Of Michigan
Ann Arbor, Michigan, 48109, United States
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Vinnytska Oblasna klinichna likarnia imeni M.I
Vinnytsia, 21018, Ukraine
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Other studies related to the condition(s) this trial covers.