Efficacy and safety of rilonacept for recurrent pericarditis: results from a phase II clinical trial.

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Citation: Heart. 2020 Nov 23PMID: 33229362Institution: MedStar Washington Hospital CenterDepartment: Internal MedicineForm of publication: Journal ArticleMedline article type(s): Journal ArticleYear: 2020ISSN:
  • 1355-6037
Name of journal: Heart (British Cardiac Society)Abstract: CONCLUSIONS: Rilonacept led to rapid and sustained improvement in pain, inflammation (CRP and pericarditis manifestations) and HRQOL. CSs were successfully tapered or discontinued; safety was consistent with known rilonacept safety profile.METHODS: This multicentre, open-label study enrolled adult patients with idiopathic or postpericardiotomy RP, symptomatic (>=2 pericarditis recurrences) or corticosteroid (CS) dependent (>=2 recurrences prior). Patients received rilonacept 320 mg SC load/160 mg SC weekly maintenance in a 6-week base treatment period (TP) followed by an optional 18-week on-treatment extension period (EP) (option to wean background therapy).OBJECTIVE: Recurrent pericarditis (RP) incurs significant morbidity. Rilonacept inhibits both interleukin-1 alpha (IL-1alpha) and IL-1beta; these cytokines are thought to play a major role in RP. This phase II study evaluated rilonacept efficacy and safety in RP.RESULTS: Outcomes: pericarditis pain (numeric rating scale (NRS)) and inflammation (C reactive protein (CRP)) for symptomatic patients; disease activity after CS taper for CS-dependent patients.SECONDARY OUTCOMES: health-related quality of life (HRQOL), pericarditis manifestations and additional medications. 25 unique patients enrolled, while 23 completed the EP (seven colchicine failures and five CS failures). In symptomatic patients, NRS and CRP decreased; response was observed after first rilonacept dose. NRS decreased from 4.5 at baseline to 0.7, and CRP decreased from 4.62 mg/dL at baseline to 0.38 mg/dL at end of TP. Median time to CRP normalisation: 9 days. Pericarditis manifestations resolved. 13 patients on CS at baseline completed the EP; 11 (84.6%) discontinued CS, and 2 tapered; CRP and NRS remained low without recurrence. Mean HRQOL scores improved in symptomatic patients. One serious adverse event (SAE) resulted in discontinuation of rilonacept.TRIAL REGISTRATION NUMBER: NCT03980522. Copyright ♭ Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY. Published by BMJ.All authors: Abbate A, Beutler A, Cremer PC, Ertel A, Fang F, Klein AL, LeWinter M, Lin D, Luis SA, Nasir S, Paolini JFFiscal year: FY2021Digital Object Identifier: Date added to catalog: 2021-04-01
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Journal Article MedStar Authors Catalog Article 33229362 Available 33229362

CONCLUSIONS: Rilonacept led to rapid and sustained improvement in pain, inflammation (CRP and pericarditis manifestations) and HRQOL. CSs were successfully tapered or discontinued; safety was consistent with known rilonacept safety profile.

METHODS: This multicentre, open-label study enrolled adult patients with idiopathic or postpericardiotomy RP, symptomatic (>=2 pericarditis recurrences) or corticosteroid (CS) dependent (>=2 recurrences prior). Patients received rilonacept 320 mg SC load/160 mg SC weekly maintenance in a 6-week base treatment period (TP) followed by an optional 18-week on-treatment extension period (EP) (option to wean background therapy).

OBJECTIVE: Recurrent pericarditis (RP) incurs significant morbidity. Rilonacept inhibits both interleukin-1 alpha (IL-1alpha) and IL-1beta; these cytokines are thought to play a major role in RP. This phase II study evaluated rilonacept efficacy and safety in RP.

RESULTS: Outcomes: pericarditis pain (numeric rating scale (NRS)) and inflammation (C reactive protein (CRP)) for symptomatic patients; disease activity after CS taper for CS-dependent patients.

SECONDARY OUTCOMES: health-related quality of life (HRQOL), pericarditis manifestations and additional medications. 25 unique patients enrolled, while 23 completed the EP (seven colchicine failures and five CS failures). In symptomatic patients, NRS and CRP decreased; response was observed after first rilonacept dose. NRS decreased from 4.5 at baseline to 0.7, and CRP decreased from 4.62 mg/dL at baseline to 0.38 mg/dL at end of TP. Median time to CRP normalisation: 9 days. Pericarditis manifestations resolved. 13 patients on CS at baseline completed the EP; 11 (84.6%) discontinued CS, and 2 tapered; CRP and NRS remained low without recurrence. Mean HRQOL scores improved in symptomatic patients. One serious adverse event (SAE) resulted in discontinuation of rilonacept.

TRIAL REGISTRATION NUMBER: NCT03980522. Copyright ♭ Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY. Published by BMJ.

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