Pharma BD Deal Intelligence

Swedish Orphan Biovitrum AB / CTI BioPharma Corp.

2023 · Acquisition/Merger · $1.7B · Complete

CALLED IT — OFF BY 11
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The coverage arc

May 10, 2023 BioSpace Bullish

Sobi to acquire CTI BioPharma in $1.7 billion deal for VONJO pacritinib for myelofibrosis.

Feb 04, 2025 Sobi Q4 2024 report Neutral

Vonjo Q4 2024 sales SEK 416 M (vs SEK 322 M Q4 2023).

Apr 30, 2026 ClinicalTrials.gov NCT03165734 Neutral

PACIFICA confirmatory Phase 3: ACTIVE_NOT_RECRUITING; primary completion 2026-10-05; study completion 2028-10-13; updated 2026-04-30.

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Swedish Orphan Biovitrum (Sobi) acquired CTI BioPharma for $9.10 per share in cash (~$1.7 billion), gaining Vonjo (pacritinib), an FDA-approved JAK2/IRAK1 inhibitor for myelofibrosis with severe thrombocytopenia (platelets <50x10^9/L). The all-cash tender closed 22 Sep 2023. Post-close, Vonjo has outgrown the niche framing: Sobi reported Vonjo sales of SEK 416 M in Q4 2024 (up from SEK 322 M in Q4 2023) and SEK 306 M in Q1 2025. The core thesis risk is unresolved: Vonjo remains under accelerated approval, and the confirmatory PACIFICA Phase 3 trial (NCT03165734) is still active with primary completion expected October 2026 — continued approval is contingent on its outcome.

Key facts

Related deals — scored

DealYearValueOutcome
Swedish Orphan Biovitrum AB / CTI BioPharma Corp. (this deal)2023$1.7B60
Swedish Orphan Biovitrum AB / Biovitrum2001$493M84
Swedish Orphan Biovitrum AB / AstraZeneca PLC (Synagis US rights)2018$2.3B80
Swedish Orphan Biovitrum AB / Arthrosi Therapeutics, Inc.2025$1.5B
Swedish Orphan Biovitrum AB / Apellis Pharmaceuticals, Inc.2020$1.0B
Amgen Inc. / Micromet Inc.2012$1.2B88
Servier / Shire plc (Oncology Business)2018$2.4B88

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