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Diphyllin — Competitive Intelligence Brief

Diphyllin (diprophylline) competitive landscape: 2 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: diprophylline. Area: Respiratory.

marketed diprophylline cAMP-specific 3',5'-cyclic phosphodiesterase 4B Respiratory Live · refreshed every 30 min

Target snapshot

Diphyllin (diprophylline).

Comparator set (2 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
Diphyllin TARGET diprophylline marketed diprophylline cAMP-specific 3',5'-cyclic phosphodiesterase 4B 1951-01-01
Otezla Otezla L.H. Kircik, M.D. marketed cAMP-specific 3',5'-cyclic phosphodiesterase 4A, cAMP-specific 3',5'-cyclic phosphodiesterase 4B, cAMP-specific 3',5'-cyclic phosphodiesterase 4C
Moizerto DIFAMILAST OTSUKA PHARMACEUTICAL Co., Ltd marketed cAMP-specific 3',5'-cyclic phosphodiesterase 4B

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (diprophylline class)

  1. · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Diphyllin — Competitive Intelligence Brief. https://druglandscape.com/ci/diprophylline. Accessed 2026-05-15.

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