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Next-line ibrutinib

Pharmacyclics LLC. · Phase 3 active Small molecule

Next-line ibrutinib is a BTK inhibitor Small molecule drug developed by Pharmacyclics LLC.. It is currently in Phase 3 development for Chronic lymphocytic leukemia (CLL), Small lymphocytic lymphoma (SLL), Mantle cell lymphoma (MCL). Also known as: PCI-32765.

Ibrutinib is a Bruton's tyrosine kinase (BTK) inhibitor that blocks BTK signaling in B cells and other immune cells, leading to reduced proliferation and survival of malignant B cells.

Ibrutinib is a Bruton's tyrosine kinase (BTK) inhibitor that blocks BTK signaling in B cells and other immune cells, leading to reduced proliferation and survival of malignant B cells. Used for Chronic lymphocytic leukemia (CLL), Small lymphocytic lymphoma (SLL), Mantle cell lymphoma (MCL).

Likelihood of approval
61.3% vs 58.3% industry baseline
If approved by FDA: likely 2028–2030
Steps remaining: NDA/BLA submission
Confidence: High
Why this estimate
  • Baseline phase 3 → approval rate +58.3pp
    Industry-wide phase 3 drugs reach approval ~58.3% of the time (BIO/Informa 2023 industry benchmark across all therapeutic areas).
  • Oncology Phase 3 boost +3.0pp
    Oncology Phase 3 trials have higher approval rates (~61%) than the cross-industry average due to clearer endpoints and FDA oncology pathway.
Predicted approval windows by jurisdiction (conditional on FDA approval)
Regulator Country Likely year Lag vs FDA
FDA US 2028–2030
EMA EU 2029–2031 +0.7 yr
MHRA GB 2029–2031 +0.7 yr
Health Canada CA 2029–2032 +0.9 yr
TGA AU 2029–2032 +1.2 yr
PMDA JP 2029–2032 +1.5 yr
NMPA CN 2030–2033 +2.3 yr
MFDS KR 2029–2032 +1.4 yr
CDSCO IN 2029–2033 +1.8 yr
ANVISA BR 2030–2033 +2.3 yr

Hover any row for the lag rationale. Lag estimates are reduced when the drug has FDA Breakthrough or EMA PRIME designation (sponsors file globally in parallel).

Estimate based on the BIO/Informa industry phase transition rates plus per-drug modifiers for therapeutic area, sponsor type, FDA designations, mechanism, and trial design. Per-jurisdiction lags from Tufts CSDD international approval studies. Not investment, clinical or regulatory advice. Methodology: /methodology#likelihood.

At a glance

Generic nameNext-line ibrutinib
Also known asPCI-32765
SponsorPharmacyclics LLC.
Drug classBTK inhibitor
TargetBTK (Bruton's tyrosine kinase)
ModalitySmall molecule
Therapeutic areaOncology
PhasePhase 3

Mechanism of action

Ibrutinib irreversibly binds to and inhibits BTK, a key enzyme in the B-cell receptor signaling pathway. This inhibition prevents B-cell activation, proliferation, and migration, making it effective against B-cell malignancies. The drug also has activity against other kinases including TEC family kinases, contributing to its broader immunomodulatory effects.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

Frequently asked questions about Next-line ibrutinib

What is Next-line ibrutinib?

Next-line ibrutinib is a BTK inhibitor drug developed by Pharmacyclics LLC., indicated for Chronic lymphocytic leukemia (CLL), Small lymphocytic lymphoma (SLL), Mantle cell lymphoma (MCL).

How does Next-line ibrutinib work?

Ibrutinib is a Bruton's tyrosine kinase (BTK) inhibitor that blocks BTK signaling in B cells and other immune cells, leading to reduced proliferation and survival of malignant B cells.

What is Next-line ibrutinib used for?

Next-line ibrutinib is indicated for Chronic lymphocytic leukemia (CLL), Small lymphocytic lymphoma (SLL), Mantle cell lymphoma (MCL), Marginal zone lymphoma (MZL), Waldenström macroglobulinemia (WM).

Who makes Next-line ibrutinib?

Next-line ibrutinib is developed by Pharmacyclics LLC. (see full Pharmacyclics LLC. pipeline at /company/pharmacyclics-llc).

Is Next-line ibrutinib also known as anything else?

Next-line ibrutinib is also known as PCI-32765.

What drug class is Next-line ibrutinib in?

Next-line ibrutinib belongs to the BTK inhibitor class. See all BTK inhibitor drugs at /class/btk-inhibitor.

What development phase is Next-line ibrutinib in?

Next-line ibrutinib is in Phase 3.

What are the side effects of Next-line ibrutinib?

Common side effects of Next-line ibrutinib include Diarrhea, Fatigue, Nausea, Bruising/bleeding, Infection, Atrial fibrillation.

What does Next-line ibrutinib target?

Next-line ibrutinib targets BTK (Bruton's tyrosine kinase) and is a BTK inhibitor.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing