8 research outputs found

    Expert Consensus on the Use of Teprotumumab for the Management of Thyroid Eye Disease Using a Modified-Delphi Approach

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    Background: Teprotumumab is the first treatment for thyroid eye disease (TED), a debilitating autoinflammatory condition, approved by the Food and Drug Administration in the United States, which reduces proptosis and improves quality of life. In the absence of guidelines, clinical recommendations were developed for using teprotumumab in patients with TED in the United States. Methods: A 3-round modified-Delphi panel was conducted between October 2020 and February 2021 with experts in the management of patients with TED. Key areas regarding the use of teprotumumab were investigated, including eligible patient populations, concomitant treatments, and assessment of response and adverse events. This used 2 survey rounds via an online questionnaire, where statements were scored using 9-point Likert scales. Statements with conflict were included in the third round, involving a consensus meeting via videoconference. Results: Consensus was obtained for all statements (n = 75); of which, 56% were revised to enable agreement of the group. The consensus meeting provided agreement regarding which populations should receive teprotumumab therapy, including all adult patients with TED with a clinical activity score of ≥4. Treatment with teprotumumab can also be considered for TED patients displaying the following characteristics: a CAS of <3, lid retraction of ≥2, and mild or early optic neuropathy with close clinical observation. Further recommendations included suitability of treatment for those beyond 16 months following the initial diagnosis of TED, low CAS concomitant treatment with steroids in some cases, retreatment for those who have relapses, and finally a recommendation to continue therapy for all 8 infusions despite the lack of response by the fourth infusion. Conclusions: This work constitutes the first consensus on guidelines for the use of teprotumumab. The modified Delphi approach involved physicians with significant experience with the clinical use of teprotumumab, and recommendations were based on current evidence

    Teprotumumab Efficacy, Safety, and Durability in Longer-Duration Thyroid Eye Disease and Re-treatment: OPTIC-X Study

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    Purpose: To evaluate teprotumumab safety/efficacy in patients with thyroid eye disease (TED) who were nonresponsive or who experienced a disease flare. Design: The Treatment of Graves' Orbitopathy to Reduce Proptosis with Teprotumumab Infusions in an Open-Label Clinical Extension Study (OPTIC-X) is a teprotumumab treatment and re-treatment trial following the placebo-controlled teprotumumab Phase 3 Treatment of Graves' Orbitopathy (Thyroid Eye Disease) to Reduce Proptosis with Teprotumumab Infusions in a Randomized, Placebo-Controlled, Clinical Study (OPTIC) trial. Participants: Patients who previously received placebo (n = 37) or teprotumumab (n = 14) in OPTIC. Methods: OPTIC nonresponders or those who flared (≥2-mm increase in proptosis, ≥2-point increase in clinical activity score [CAS], or both) during follow-up were treated for the first time (previous placebo patients) or re-treated with teprotumumab in OPTIC-X with 8 infusions over 24 weeks. Main outcome measures: Proptosis response and safety. Secondary outcomes included proptosis, CAS, subjective diplopia, and quality-of-life. Results: Thirty-three of 37 placebo-treated OPTIC patients (89.2%) became proptosis responders (mean ± standard deviation, -3.5 ± 1.7 mm) when treated with teprotumumab in OPTIC-X. The responses were equivalent to the OPTIC study. In these responders, proptosis, CAS of 0 or 1, and diplopia responses were maintained in 29 of 32 patients (90.6%), 20 of 21 patients (95.2%), and 12 of 14 patients (85.7%), respectively, at follow-up week 48. The median TED duration was 12.9 months versus 6.3 months in those treated with teprotumumab in the OPTIC study. Of the 5 OPTIC teprotumumab nonresponders re-treated in OPTIC-X, 2 responded, 1 showed a proptosis reduction of 1.5 mm from OPTIC baseline, and 2 discontinued treatment early. Of the OPTIC teprotumumab responders who experienced flare, 5 of 8 patients (62.5%) responded when re-treated (mean proptosis reduction, 1.9 ± 1.2 mm from OPTIC-X baseline and 3.3 ± 0.7 mm from OPTIC baseline). Compared with published double-masked trials and their integrated follow-up, no new safety signals were identified. Mild hearing impairment was reported; 4 events occurred during first course of treatment, and 2 events reoccurred after re-treatment. Conclusions: Patients with TED of longer disease duration responded similarly to those treated earlier in the disease course. Patients with an insufficient initial response or flare may benefit from additional teprotumumab therapy. No new safety risk was identified; however additional postmarketing pharmacovigilance is ongoing
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