Pharma BD Deal Intelligence

Amgen Inc. / Otezla (from Celgene/BMS)

2019 · Asset Purchase · $13.4B · Complete

Amgen picked up Otezla for $13.4B out of the forced Celgene divestiture required to clear Bristol-Myers Squibb's takeover—a rare case of an FTC-mandated sale becoming a genuine strategic win. The deal gave Amgen its first blockbuster inflammation asset outside biologics, a franchise anchor rather than a fire-sale afterthought.

CALLED IT — OFF BY 10
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The coverage arc

Aug 26, 2004 Wikipedia Neutral

Amgen acquired Otezla (apremilast) for $13.4B from Celgene psoriasis drug divestiture.

Nov 04, 2025 Amgen Bearish

Amgen Q3 2025 results: recorded a $400M Otezla intangible-asset impairment charge, reflecting Otezla performance below the long-term acquisition plan.

Feb 03, 2026 Amgen Neutral

Amgen Q4/FY2025 results: Otezla full-year sales $2,265M, up 7% YoY (FY2024 $2,126M), driven by volume growth and favorable sales deductions.

Source summaries from our enrichment pipeline; follow links for originals.

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Amgen acquired Otezla (apremilast) for $13.4B from Celgene psoriasis drug divestiture.

Key facts

Disease & market context

Behcet's Disease (Oral Ulcers)

Competitive Landscape

Otezla (apremilast), an oral PDE4 inhibitor, received FDA approval July 2019 for oral ulcers associated with Behcet's disease, the first and only FDA-approved treatment for this manifestation; it therefore faces no MOA-matched direct competitor. The off-label and adjunct competitive landscape groups into four MOA classes. Topical/local corticosteroids and colchicine (standard first-line for mucocutaneous Behcet per EULAR 2018 recommendations): triamcinolone acetonide dental paste, clobetasol gel (generic), dexamethasone mouth rinse, and oral colchicine (generic) are widely used but lack FDA Behcet-specific labeling. Systemic corticosteroids and conventional DMARDs (moderate-severe or multi-organ disease): prednisone (generic), azathioprine (Imuran/generic), cyclosporine (Sandimmune/Neoral, generic), methotrexate (generic). TNF-alpha inhibitors (off-label, severe/refractory Behcet with uveitis or vascular involvement): adalimumab (Humira, AbbVie; biosimilars Amjevita, Hyrimoz, Yuflyma), infliximab (Remicade, Janssen; biosimilars Inflectra, Renflexis, Avsola), and etanercept (Enbrel, Amgen). IL-1 and IL-6 inhibitors (small trials, refractory disease): anakinra (Kineret, SOBI), canakinumab (Ilaris, Novartis), tocilizumab (Actemra, Roche). Interferon alpha-2a (historical, declining use). Otezla's Behcet oral-ulcer exclusivity is a defensible orphan-like niche; the primary franchise threat is anti-TNF usage in patients requiring multi-organ control. Source: FDA Otezla Behcet approval letter.

Psoriatic Arthritis

Competitive Landscape

Otezla (apremilast), oral PDE4 inhibitor approved for psoriatic arthritis (PsA) in 2014, competes in a PsA market structured around six MOA classes with biologics dominating moderate-severe disease. TNF-alpha inhibitors (first-line biologic per ACR/NPF 2018 guidelines): adalimumab (Humira, AbbVie and biosimilars including Amjevita, Cyltezo, Hyrimoz, Yuflyma), etanercept (Enbrel, Amgen), infliximab (Remicade/biosimilars), golimumab (Simponi/Simponi Aria, J&J), certolizumab (Cimzia, UCB). IL-17 inhibitors: secukinumab (Cosentyx, Novartis, FY2023 sales $5.3B per Novartis 20-F), ixekizumab (Taltz, Lilly), bimekizumab (Bimzelx, UCB, FDA approved for PsA September 2024). IL-23 p19 inhibitors: guselkumab (Tremfya, J&J, FDA approved for PsA 2020), risankizumab (Skyrizi, AbbVie, FDA approved for PsA 2022). IL-12/23 inhibitor: ustekinumab (Stelara, J&J; biosimilars 2025). JAK inhibitors (oral, direct competitor to Otezla's oral slot): tofacitinib (Xeljanz, Pfizer), upadacitinib (Rinvoq, AbbVie). Conventional synthetic DMARDs (first-line for peripheral arthritis): methotrexate (generic), sulfasalazine (generic), leflunomide (Arava/generic). T-cell costimulation blocker: abatacept (Orencia, BMS). Rinvoq, Skyrizi, and Tremfya represent the primary franchise threats; Otezla's positioning as oral, non-immunosuppressive, no-lab-monitoring option preserves its moderate-disease slot. Source: FDA Rinvoq PsA approval letter.

Plaque Psoriasis

Competitive Landscape

Otezla (apremilast), the only oral PDE4 inhibitor approved for plaque psoriasis, competes in a crowded moderate-to-severe psoriasis market dominated by biologics across five MOA classes. IL-23 p19 inhibitors (current biologic standard-of-care, highest PASI-90 response rates): risankizumab (Skyrizi, AbbVie, FY2023 sales $7.8B per AbbVie 10-K), guselkumab (Tremfya, J&J, ~$3.1B), tildrakizumab (Ilumya, Sun Pharma); this class is displacing TNF and IL-17 share. IL-17 inhibitors: secukinumab (Cosentyx, Novartis, ~$5.3B FY2023), ixekizumab (Taltz, Lilly), brodalumab (Siliq, Ortho Dermatologics), bimekizumab (Bimzelx, UCB, FDA approved October 2023, dual IL-17A/F). TNF-alpha inhibitors: adalimumab (Humira, AbbVie and biosimilars since 2023), etanercept (Enbrel, Amgen), infliximab (Remicade/biosimilars), certolizumab (Cimzia, UCB). IL-12/23 inhibitor: ustekinumab (Stelara, J&J, biosimilars launched 2025). Oral small molecules (Otezla's direct MOA-adjacent class): deucravacitinib (Sotyktu, BMS), a TYK2 inhibitor approved September 2022, is the most direct oral competitor with superior PASI-75 response vs. apremilast in head-to-head POETYK PSO-1/2 (NEJM 2022). Topical non-steroidals: tapinarof (Vtama, Dermavant), roflumilast (Zoryve, Arcutis). Skyrizi and Sotyktu represent the primary franchise threat to Otezla's oral slot. Source: BMS 2023 Form 10-K Sotyktu disclosure.

Deal timeline

Related deals — scored

DealYearValueOutcome
Amgen Inc. / Otezla (from Celgene/BMS) (this deal)2019$13.4B68
Amgen Inc. / Immunex Corporation2002$16.0B92
Amgen Inc. / Immunex Corporation2001$16.0B91
Amgen Inc. / Micromet Inc.2012$1.2B88
Amgen Inc. / Five Prime Therapeutics2021$1.9B78
Amgen Inc. / Horizon Therapeutics plc2022$27.8B72
Amgen Inc. / BeiGene Ltd.2020$2.8B68

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