Clinical ophthalmology (Auckland, N.Z.) · 2024
Combination Low-Dose Pilocarpine/Diclofenac Sodium and Pilocarpine Alone for Presbyopia: Results of a Randomized Phase 2b Clinical Trial.
Клинический случайКлиническое исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Farid Marjan, Rowen Sheri L, Moshirfar Majid, Cunningham Derek, Gaddie Ian B, Smits Gerard, Ignacio Teresa, Gupta Preeya K
Аннотация
PURPOSE: To evaluate the efficacy of 0.2% and 0.4% pilocarpine HCl (CSF-1) for the treatment of presbyopia and to determine the contributions of pilocarpine HCl and diclofenac sodium on the efficacy of fixed-dose combination (FDC) formulations.
PATIENTS AND METHODS: This was a Phase 2b, multicenter, randomized, double-masked, parallel-group clinical trial. Adults (45-64 years) with presbyopia were randomized 1:1:1 to 3 arms (Pilo arm: pilocarpine HCl; Pilo-Diclo FDC arm: pilocarpine HCl with 0.006% diclofenac sodium; Control arm: 0.006% diclofenac sodium). Participants in Pilo and Pilo-Diclo FDC arms received 0.2% pilocarpine HCl (0.2% Pilo or 0.2% Pilo FDC, respectively) from days 1-8, and 0.4% pilocarpine HCl (CSF-1 or CSF-1-FDC, respectively) from days 8-15. Primary efficacy endpoint was achievement of ≥3-line (15-letter) gain in mesopic, monocular distance-corrected near visual acuity (DCNVA) at 40 cm, 1 hour post-treatment of the study eye on days 8 and 15 in the per protocol (PP) population. Safety endpoints were assessed.
RESULTS: One hundred and sixty-six participants were randomized (intent-to-treat, N = 166; PP, n = 160). There were no statistical differences between 0.2% Pilo or 0.2% Pilo FDC versus Control at 1 hour post-treatment on day 8. On day 15, 43.1% and 46.9% of participants receiving CSF-1-FDC (0.4% Pilo FDC) or CSF-1 (0.4% Pilo), respectively, achieved ≥3-line gain at 1 hour post-treatment in mesopic DCNVA compared with 16.1% of Control group in the PP population, meeting the primary endpoint (P = 0.0015 and P = 0.0002, respectively). All formulations were well tolerated.
CONCLUSION: CSF-1 demonstrated significant improvements in mesopic DCNVA and favorable safety. Pilocarpine HCl as a single active ingredient, at the concentration of 0.4% (CSF-1), provided a transient, therapeutic effect for presbyopia.
PATIENTS AND METHODS: This was a Phase 2b, multicenter, randomized, double-masked, parallel-group clinical trial. Adults (45-64 years) with presbyopia were randomized 1:1:1 to 3 arms (Pilo arm: pilocarpine HCl; Pilo-Diclo FDC arm: pilocarpine HCl with 0.006% diclofenac sodium; Control arm: 0.006% diclofenac sodium). Participants in Pilo and Pilo-Diclo FDC arms received 0.2% pilocarpine HCl (0.2% Pilo or 0.2% Pilo FDC, respectively) from days 1-8, and 0.4% pilocarpine HCl (CSF-1 or CSF-1-FDC, respectively) from days 8-15. Primary efficacy endpoint was achievement of ≥3-line (15-letter) gain in mesopic, monocular distance-corrected near visual acuity (DCNVA) at 40 cm, 1 hour post-treatment of the study eye on days 8 and 15 in the per protocol (PP) population. Safety endpoints were assessed.
RESULTS: One hundred and sixty-six participants were randomized (intent-to-treat, N = 166; PP, n = 160). There were no statistical differences between 0.2% Pilo or 0.2% Pilo FDC versus Control at 1 hour post-treatment on day 8. On day 15, 43.1% and 46.9% of participants receiving CSF-1-FDC (0.4% Pilo FDC) or CSF-1 (0.4% Pilo), respectively, achieved ≥3-line gain at 1 hour post-treatment in mesopic DCNVA compared with 16.1% of Control group in the PP population, meeting the primary endpoint (P = 0.0015 and P = 0.0002, respectively). All formulations were well tolerated.
CONCLUSION: CSF-1 demonstrated significant improvements in mesopic DCNVA and favorable safety. Pilocarpine HCl as a single active ingredient, at the concentration of 0.4% (CSF-1), provided a transient, therapeutic effect for presbyopia.