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. 2023 Jan 29;46(2):66–78. doi: 10.1097/WNF.0000000000000540

TABLE 4.

TEAEs in Phase 3 Studies for Levodopa Inhalation Powder

SPAN-PD CVT-301-00439 CVT-301-004E40 CVT-301-00541
Levodopa Inhalation Powder 60 mg (n = 113) Levodopa Inhalation Powder 84 mg (n = 114) Levodopa Inhalation Powder 60 mg (n = 153) Levodopa Inhalation Powder 84 mg (n = 159) Levodopa Inhalation Powder 84 mg (n = 271)*
Adverse event, n (%)*
 Any TEAE 64 (56.6) 66 (57.9) 103 (67.3) 115 (72.3) 192 (70.8)
 Serious TEAE 6 (5.3) 2 (1.8) 22 (14.4) 13 (8.2) 42 (15.5)
 TEAE leading to withdrawal 3 (2.7) 6 (5.3) 12 (7.8) 14 (8.8) 24 (8.9)
 Drug-related TEAEs† 41 (36.3) 40 (35.1) 45 (29.4) 51 (32.1) 102 (37.6)
 Severe TEAEs 7 (6.2) 5 (4.4) 19 (12.4) 12 (7.5) 36 (13.3)
TEAEs in ≥4% of patients, n (%)
 Cough 17 (15.0) 17 (14.9) 25 (16.3) 23 (14.5) 36 (13.3)
 Upper respiratory tract infection 2 (1.8) 7 (6.1) 10 (6.5) 12 (7.5) 13 (4.8)
 Nausea 0 6 (5.3) 2 (1.3) 0 10 (3.7)
 Sputum discolored 0 6 (5.3) 1 (0.7) 2 (1.3) 9 (3.3)
 Dyskinesia 5 (4.4) 4 (3.5) 6 (3.9) 10 (6.3) 17 (6.3)
 Fall 5 (4.4) 3 (2.6) 24 (15.7) 17 (10.7) 22 (8.1)
 Nasopharyngitis 2 (1.8) 3 (2.6) 8 (5.2) 4 (2.5) 18 (6.6)
 Back pain 4 (3.5) 1 (0.9) 8 (5.2) 3 (1.9) 12 (4.4)
 Throat irritation 8 (7.1) 1 (0.9) 7 (4.6) 5 (3.1) 9 (3.3)
 Dizziness 2 (1.8) 1 (0.9) 5 (3.3) 4 (2.5) 6 (2.2)
 Constipation 1 (0.9) 0 5 (3.3) 7 (4.4) 2 (0.7)

*Levodopa inhalation powder safety population

†Adverse events were considered drug related if the event was classified as possibly, probably, or definitely related to study drug by investigators.

TEAEs, treatment-emergent adverse events.