Japan Pharma Regulatory Brief

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Japan New Drug Approvals: May 2025

All drugs approved in Japan in May 2025, in English.

Last updated: 2026-10-02 · 10 approvals

Japan approved 10 drugs in May 2025 (approval date: 2025-05-19): 6 new indication, 2 new active ingredient, 2 new dosage. Median lag vs FDA for this month: -0.4 years (-157 days) (n=1).

ApprovedBrandGeneric (INN)CompanyIndicationApproval typeFDA dateEMA dateLag vs FDALag vs EMASource
2025-05-19mRESVIA
エムレスビア
mRNA encoding the F glycoprotein from RSV subtype A stabilized in the prefusion conformation
RSウイルスの融合前安定化F糖タンパク質をコードするmRNA
Moderna Japan Co., Ltd.
モデルナ・ジャパン(株)
Prevention of disease caused by RS virus infection
RSウイルスによる感染症の予防
New active ingredient
standard
————[1] [2] [3]
2025-05-19Vabysmo
バビースモ硝子体内
Faricimab
ファリシマブ(遺伝子組換え)
Orphan
Chugai Pharmaceutical Co., Ltd.
中外製薬(株)
Treatment of choroidal neovascularization associated with angioid streaks
脈絡膜新生血管を伴う網膜色素線条
New indication
orphanpriority
————[1] [2] [3]
2025-05-19Tagrisso
タグリッソ
Osimertinib mesilate
オシメルチニブメシル酸塩
AstraZeneca K.K.
アストラゼネカ(株)
Maintenance treatment for locally-advanced, unresectable epidermal growth factor receptor (EGFR) mutation-positive non-small cell lung cancer following definitive chemoradiation therapy
EGFR遺伝子変異陽性の切除不能な局所進行の非小細胞肺癌における根治的化学放射線療法後の維持療法
New indication
standard
————[1] [2] [3]
2025-05-19Spikevax
スパイクバックス
mRNA encoding the spike protein of SARS-CoV-2
SARS-CoV-2のスパイクタンパク質をコードするmRNA
Moderna Japan Co., Ltd.
モデルナ・ジャパン(株)
Prevention of disease caused by SARS-CoV-2 infection (COVID-19)
SARS-CoV-2による感染症の予防
New dosage
standard
————[1] [2] [3]
2025-05-19Slinda
スリンダ
Drospirenone
ドロスピレノン
ASKA Pharmaceutical Co., Ltd.
あすか製薬(株)
Contraception
避妊
New indication
standard
————[1] [2] [3]
2025-05-19Scemblix
セムブリックス
Asciminib hydrochloride
アシミニブ塩酸塩
Novartis Pharma K.K.
ノバルティスファーマ(株)
Treatment of chronic myelogenous leukemia
慢性骨髄性白血病
New indication
standard
————[1] [2] [3]
2025-05-19Rybrevant
ライブリバント
Amivantamab
アミバンタマブ(遺伝子組換え)
Janssen Pharmaceutical K.K.
ヤンセンファーマ(株)
Treatment of unresectable advanced or recurrent epidermal growth factor receptor (EGFR) mutation-positive non-small cell lung cancer
EGFR遺伝子変異陽性の切除不能な進行・再発の非小細胞肺癌
New dosage
standard
————[1] [2] [3]
2025-05-19Keytruda
キイトルーダ
Pembrolizumab
ペムブロリズマブ(遺伝子組換え)
MSD K.K.
MSD(株)
Treatment of unresectable advanced or recurrent malignant pleural mesothelioma
切除不能な進行・再発の悪性胸膜中皮腫
New indication
standard
————[1] [2] [3]
2025-05-19Fabhalta
ファビハルタ
Iptacopan hydrochloride hydrate
イプタコパン塩酸塩水和物
Orphan
Novartis Pharma K.K.
ノバルティスファーマ(株)
Treatment of complement 3 glomerulopathy
C3腎症
New indication
orphanpriority
————[1] [2] [3]
2025-05-19Blenrep
ブーレンレップ
Belantamab mafodotin
ベランタマブ マホドチン(遺伝子組換え)
Orphan
GlaxoSmithKline K.K.
グラクソ・スミスクライン(株)
Treatment of relapsed or refractory multiple myeloma
再発又は難治性の多発性骨髄腫
New active ingredient
orphanpriority
2025-10-232020-08-25157 d earlier
Japan first
1,728 d
4.7 y
[1] [2] [3] [4] [5]

Click a column header to sort. Lag = days between the FDA (or EMA) approval and the Japanese approval of the same active ingredient; “Japan first” means Japan approved it earlier. Lag is shown only when a matching foreign approval was found. = no English name found; Japanese kept.

Source: PMDA / MHLW (PDL1.0). Unofficial English translation, edited by Japan Pharma Regulatory Brief.

Methodology & sources

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