Drugs / Pirtobrutinib
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Pirtobrutinib

also known as LOXO-305 · [14C]-LOXO-305 · Jaypirca · LY3527727 · RXC-005

Small molecule targets BTK via inhibition

Developed for
chronic lymphocytic leukemia/small lymphocytic lymphoma · mantle cell lymphoma · B-cell chronic lymphocytic leukemia · Waldenstrom macroglobulinemia · marginal zone lymphoma · Richter transformation · diffuse large B-cell lymphoma · follicular lymphoma
+10 more · primary central nervous system lymphoma · autoimmune thrombocytopenia · B-cell acute lymphoblastic leukemia · B-cell non-Hodgkin lymphoma · Burkitt lymphoma · central nervous system non-hodgkin lymphoma · leukemia · multiple sclerosis · plasma cell myeloma · relapsed/refractory diffuse large B-cell lymphoma
Investigated by
Eli Lilly and Company · Loxo Oncology, Inc. · M.D. Anderson Cancer Center · Genentech, Inc. · AbbVie · University of Utah
+41 more · Adaptive Biotechnologies · AstraZeneca · Australasian Leukaemia and Lymphoma Group · Bankhead-Coley Florida Biomedical Research Program · China-Japan Union Hospital, Jilin University · Christine Ryan · Dana-Farber Cancer Institute · Evidenze CRO · First Affiliated Hospital of Fujian Medical University · Fondazione Italiana Linfomi - ETS · French Innovative Leukemia Organisation · Genmab · H. Lee Moffitt Cancer Center and Research Institute · HOVON Foundation · Henan Cancer Hospital · Imugene Limited · Inhye Ahn · Institute of Hematology & Blood Diseases Hospital, China · Jennifer Woyach · Kerry Rogers · Mayo Clinic · Medical College of Wisconsin · Memorial Sloan Kettering Cancer Center · National Cancer Institute (NCI) · National Heart, Lung, and Blood Institute (NHLBI) · Nurix Therapeutics, Inc. · Pengpeng Xu · Peter MacCallum Cancer Centre, Australia · Ruijin Hospital · SWOG Cancer Research Network · Shanxi Provincial People's Hospital · Spanish Lymphoma Cooperative Group · Sun Yat-sen University · The First Affiliated Hospital of Soochow University · The General Hospital of Western Theater Command · The Leukemia and Lymphoma Society · Tongji Hospital · University of California, San Francisco · University of Washington · Zhejiang Cancer Hospital · Zou Dehui

Regulatory milestones approvals, filings & regulatory actions · 7 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed chronic lymphocytic leukemia/small lymphocytic lymphoma 1 milestone
Filed US (FDA) Jaypirca chronic lymphocytic leukemia/small lymphocytic lymphoma 2025-02-28

“Lilly has submitted supplemental marketing applications for Jaypirca in the post-BTK inhibitor setting for CLL/SLL patients around the globe, including in the U.S.” lilly.com ↗

Filed mantle cell lymphoma 2 milestones
Filed US (FDA) — mantle cell lymphoma 2022-08-04

“The FDA also accepted, with Priority Review designation, pirtobrutinib for mantle cell lymphoma for patients previously treated with a BTK inhibitor” lilly.com ↗

Filed US (FDA) — mantle cell lymphoma 2021-12-15

“The company initiated a rolling submission to the FDA for pirtobrutinib, seeking accelerated approval in mantle cell lymphoma” lilly.com ↗

“Lilly initiated a rolling submission to the FDA for pirtobrutinib, seeking accelerated approval in mantle cell lymphoma” lilly.com ↗

Approved Indication not stated 3 milestones
Label expansions (2) US (FDA) JAYPIRCA — 2023-12-01 – 2025-12-02 fda.gov ↗
Approved · conditional EU (EMA) Jaypirca — 2023-10-30 europa.eu ↗
Approved US (FDA) JAYPIRCA — 2023-01-27 fda.gov ↗

Trials 70 · started per year

today
US approved 2023
EU approved 2023
2
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4
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15
2019202020212022202320242025202620272028
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT07428707 Mar 2026 → Feb 2030 expected chronic lymphocytic leukemia/small lymphocytic lymphoma National Heart, Lung, and Blood Institute (NHLBI) Recruiting No outcome recorded
Phase 117 trials
Phase 1 NCT05990465 Feb 2025 → Jul 2026 overdue Burkitt lymphoma, diffuse large B-cell lymphoma, follicular lymphoma, mantle cell lymphoma +1 Medical College of Wisconsin Recruiting No outcome recorded
Phase 1 NCT05176314 Jan → Apr 2022 — Loxo Oncology, Inc. Completed No outcome recorded
Phase 1 NCT05024045 Sep 2021 → Jun 2023 B-cell chronic lymphocytic leukemia, Waldenstrom macroglobulinemia, mantle cell lymphoma, marginal zone lymphoma +1 Eli Lilly and Company Completed No outcome recorded
Phase 1 NCT06258174 Sep → Dec 2021 — Eli Lilly and Company Completed No outcome recorded
Phase 1 NCT06194214 Mar → Jun 2021 — Eli Lilly and Company Completed No outcome recorded
Phase 1 NCT06190678 Feb → Jun 2021 impaired renal function disease Eli Lilly and Company Completed No outcome recorded
Phase 1 NCT06215430 Jan → Apr 2021 — Eli Lilly and Company Completed No outcome recorded
Phase 1 NCT06180980 Jan → Mar 2021 — Eli Lilly and Company Completed No outcome recorded
Phase 1 NCT06190691 Dec 2020 → Dec 2021 liver disorder Eli Lilly and Company Completed No outcome recorded
Phase 1 NCT06215521 Dec 2020 → Mar 2021 — Eli Lilly and Company Completed No outcome recorded
Phase 1/24 trials · 1 missed
Phase 1/2 NCT06721013 Jul 2025 → Feb 2028 expected autoimmune thrombocytopenia Eli Lilly and Company Recruiting No outcome recorded
Phase 1/2 NCT05317936 Nov 2022 → Oct 2025 chronic lymphocytic leukemia/small lymphocytic lymphoma M.D. Anderson Cancer Center Terminated No outcome recorded
Phase 1/2 NCT04623541 Nov 2020 → Dec 2027 expected Richter transformation, chronic lymphocytic leukemia/small lymphocytic lymphoma Genmab Active not recruiting Missed primary
Phase 1/2 NCT03740529 Mar 2019 → Jan 2025 Waldenstrom macroglobulinemia, chronic lymphocytic leukemia/small lymphocytic lymphoma, mantle cell lymphoma, marginal zone lymphoma Loxo Oncology, Inc. Completed No outcome recorded
Phase 237 trials
Phase 2 NCT07548450 Nov 2026 → Nov 2034 expected Waldenstrom macroglobulinemia University of Utah Not yet recruiting No outcome recorded
Phase 2 NCT07860775 Sep 2026 → Oct 2030 expected chronic lymphocytic leukemia/small lymphocytic lymphoma HOVON Foundation Not yet recruiting No outcome recorded
Phase 2 NCT07831395 Sep 2026 → Dec 2030 expected Richter transformation Institute of Hematology & Blood Diseases Hospital, China Not yet recruiting No outcome recorded
Phase 2 NCT07812493 Sep 2026 → Sep 2028 expected diffuse large B-cell lymphoma Pengpeng Xu Not yet recruiting No outcome recorded
Phase 2 NCT07624799 Sep 2026 → Sep 2028 expected chronic lymphocytic leukemia/small lymphocytic lymphoma French Innovative Leukemia Organisation Not yet recruiting No outcome recorded
Phase 2 NCT07685717 Jul 2026 → Dec 2027 expected chronic lymphocytic leukemia/small lymphocytic lymphoma Jennifer Woyach Recruiting No outcome recorded
Phase 2 NCT07684950 Jun 2026 → Oct 2028 expected mantle cell lymphoma Henan Cancer Hospital Not yet recruiting No outcome recorded
Phase 2 NCT07622784 Jun 2026 → Jun 2028 expected B-cell non-Hodgkin lymphoma Sun Yat-sen University Not yet recruiting No outcome recorded
Phase 2 NCT07604987 May 2026 → May 2028 expected primary central nervous system lymphoma Zou Dehui Recruiting No outcome recorded
Phase 2 NCT07416890 Feb 2026 → Aug 2028 expected central nervous system non-hodgkin lymphoma Zhejiang Cancer Hospital Recruiting No outcome recorded
Phase 37 trials · 4 met primary
Phase 3 NCT07220187 Aug 2026 → Oct 2035 expected Richter transformation SWOG Cancer Research Network Not yet recruiting No outcome recorded
Phase 3 NCT07516093 Aug 2026 → Oct 2029 expected chronic lymphocytic leukemia/small lymphocytic lymphoma Nurix Therapeutics, Inc. Recruiting No outcome recorded
Phase 3 NCT05254743 Jul 2022 → Oct 2027 expected chronic lymphocytic leukemia/small lymphocytic lymphoma Loxo Oncology, Inc. Recruiting Met primary
Phase 3 NCT05023980 Sep 2021 → Jul 2025 overdue chronic lymphocytic leukemia/small lymphocytic lymphoma Loxo Oncology, Inc. Active not recruiting Met primary
Phase 3 NCT04965493 Sep 2021 → Oct 2026 expected chronic lymphocytic leukemia/small lymphocytic lymphoma Loxo Oncology, Inc. Active not recruiting Met primary
Phase 3 NCT04662255 Apr 2021 → Nov 2027 expected mantle cell lymphoma Loxo Oncology, Inc. Active not recruiting No outcome recorded
Phase 3 NCT04666038 Mar 2021 → Aug 2023 overdue chronic lymphocytic leukemia/small lymphocytic lymphoma Loxo Oncology, Inc. Active not recruiting Met primary
Phase 43 trials
Phase 4 NCT07218341 Mar 2026 → May 2030 expected chronic lymphocytic leukemia/small lymphocytic lymphoma Eli Lilly and Company Recruiting No outcome recorded
Phase 4 NCT06876662 May 2025 → May 2030 expected B-cell chronic lymphocytic leukemia Eli Lilly and Company Recruiting No outcome recorded
Phase 4 NCT06876649 May 2025 → May 2030 expected B-cell chronic lymphocytic leukemia Eli Lilly and Company Recruiting No outcome recorded
Phase not stated1 trial
— NCT05172700 — Richter transformation, Waldenstrom macroglobulinemia, chronic lymphocytic leukemia/small lymphocytic lymphoma, mantle cell lymphoma Loxo Oncology, Inc. Approved for marketing No outcome recorded
Comparator or background therapy3 trials
Phase 1/2 NCT07052695 Background Nov 2025 → Dec 2028 expected chronic lymphocytic leukemia/small lymphocytic lymphoma Inhye Ahn Recruiting No outcome recorded
Phase 3 NCT07342478 Comparator Apr 2026 → Oct 2029 expected chronic lymphocytic leukemia/small lymphocytic lymphoma Newave Pharmaceutical Inc Recruiting No outcome recorded
Phase 3 NCT06973187 Comparator Sep 2025 → Apr 2028 expected chronic lymphocytic leukemia/small lymphocytic lymphoma BeOne Medicines Recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 27

DateIssuerRelease
2026-10-02 Eli Lilly and Company Regulatory Lilly's Jaypirca (pirtobrutinib), the first-and-only approved non-covalent BTK inhibitor, receives expanded indication from U.S. FDA for certain patients with previously untreated CLL/SLL lilly.com ↗
This new approval in the U.S. authorizes Jaypirca for adult patients with previously untreated CLL/SLL with no known 17p deletion.
2026-09-28 Innovent Biologics (Suzhou) Co. Ltd. Regulatory Jaypirca® (pirtobrutinib) Approved in China for a New Indication in Chronic Lymphocytic Leukemia (CLL) /Small Lymphocytic Lymphoma (SLL) Across All Lines of Therapy innoventbio.com ↗
Innovent Biologics, Inc. ("Innovent") (HKEX: 01801), a world-class biopharmaceutical company that develops, manufactures, and commercializes high-quality medicines for the treatment of oncology, autoimmune, cardiovascular and metabolic, ophthalmology and other major disease areas, announced that the China National Medical Products Administration (NMPA) has approved Jaypirca® (pirtobrutinib, 100 mg & 50 mg tablets), a non-covalent Bruton tyrosine kinase (BTK) inhibitor, as a monotherapy for the treatment of adult patient with chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL).
2026-06-26 Eli Lilly and Company Regulatory Lilly's Jaypirca (pirtobrutinib) recommended by CHMP for approval in the European Union for adults with chronic lymphocytic leukemia (CLL) across all lines of therapy lilly.com ↗
Following this positive opinion, the application is now referred to the European Commission for final action.
2026-06-14 Eli Lilly and Company Results Lilly's Jaypirca (pirtobrutinib) significantly reduced the risk of disease progression or death by 45% when added to a venetoclax time-limited regimen in people with previously treated CLL/SLL lilly.com ↗
2026-06-02 Eli Lilly and Company Results Lilly to spotlight growing hematology portfolio at 2026 European Hematology Association (EHA) Annual Meeting lilly.com ↗
Positive results from the Phase 3 BRUIN CLL-322 study comparing time-limited pirtobrutinib plus venetoclax and rituximab versus venetoclax and rituximab in patients with relapsed or refractory CLL/SLL will be highlighted in a late-breaking oral presentation
2026-04-13 Eli Lilly and Company Results Lilly's Jaypirca (pirtobrutinib) significantly extended progression-free survival when added to a venetoclax time-limited regimen in patients with previously treated CLL/SLL lilly.com ↗
The study met its primary endpoint, demonstrating that the addition of pirtobrutinib to venetoclax plus rituximab led to a statistically significant and clinically meaningful improvement in progression-free survival (PFS), as assessed by an independent review committee (IRC).
2026-03-02 Innovent Biologics (Suzhou) Co. Ltd. Regulatory Jaypirca® (Pirtobrutinib) Approved in China for the Treatment of Relapsed or Refractory Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma innoventbio.com ↗
Jaypirca® (pirtobrutinib), has received approval by the National Medical Products Administration (NMPA) in China for a new indication for the treatment of adult patients with chronic lymphocytic leukemia or small lymphocytic lymphoma (CLL/SLL) after at least one line of systemic therapy including a Bruton’s tyrosine kinase (BTK) inhibitor.
2025-12-09 Eli Lilly and Company Results Lilly's Jaypirca (pirtobrutinib) significantly improved progression-free survival, reducing the risk of progression or death by 80%, versus chemoimmunotherapy in patients with treatment-naïve CLL/SLL lilly.com ↗
Pirtobrutinib met its primary endpoint demonstrating a reduction in the risk of disease progression or death by 80% (HR=0.20 [95% CI, 0.11-0.37]; p<0.0001).
2025-12-07 Eli Lilly and Company Results Lilly's Jaypirca (pirtobrutinib) met its primary endpoint in first-of-its-kind, head-to-head Phase 3 study versus Imbruvica (ibrutinib) lilly.com ↗
Pirtobrutinib met its primary endpoint of non-inferiority on overall response rate (ORR) compared to ibrutinib (87.0% [95% CI, 82.90-90.44] versus 78.5% [95% CI, 73.73-82.85]; p<0.0001) in the intent-to-treat (ITT) population.
2025-12-06 Adaptive Biotechnologies Results Adaptive Biotechnologies Showcases Leadership in Hematology-Oncology MRD with New clonoSEQ® Data Driving Treatment Interventions at 2025 ASH Annual Meeting adaptivebiotech.com ↗
Data from a Phase II study of 80 patients with previously untreated CLL showed that time-limited pirtobrutinib, venetoclax, and obinutuzumab (PVO) achieved notably deep and durable remissions based on MRD assessment at a threshold of 10 -6 .
2025-12-03 Eli Lilly and Company Regulatory U.S. FDA approves expanded indication for Lilly's Jaypirca (pirtobrutinib), the first and only non-covalent (reversible) BTK inhibitor, for adults with relapsed or refractory CLL/SLL previously treated with a covalent BTK inhibitor lilly.com ↗
Eli Lilly and Company (NYSE: LLY) today announced that the U.S. Food and Drug Administration (FDA) has granted approval to Jaypirca (pirtobrutinib, 100 mg & 50 mg tablets) for the treatment of adults with relapsed or refractory chronic lymphocytic leukemia or small lymphocytic lymphoma (CLL/SLL) who have previously been treated with a covalent Bruton tyrosine kinase (BTK) inhibitor.
2025-09-08 Eli Lilly and Company Results Lilly's Jaypirca (pirtobrutinib), the first and only approved non-covalent (reversible) BTK inhibitor, significantly improved progression-free survival in patients with treatment-naïve CLL/SLL lilly.com ↗

All press releases naming this drug 32 releases

DateIssuerRelease

Evidence & citations 10 cited values

Every value below carries the sentence it was read from. 76 sources stand behind the page.

FieldValueCited text
Known as Pirtobrutinib “pirtobrutinib (P, 200 mg once daily) is taken orally on days 4-21” NCT07604987 ↗
68

NCT07218341 ↗

NCT07350850 ↗

NCT06165146 ↗

NCT05023980 ↗

NCT05833763 ↗

NCT07220187 ↗

NCT05734495 ↗

NCT06466122 ↗

NCT07516093 ↗

NCT07812493 ↗

Show 58 more sources

Known as [14C]-LOXO-305 “single dose of 200 milligram (mg) LOXO-305 radiolabelled with carbon-14, i.e., \[14C\]-LOXO-305 (approximately 200 microcurie radioactivity) administered as an oral solution.” NCT06180954 ↗
Known as Jaypirca ChEMBL registry synonym — accepted as the source's own label CHEMBL4650485 ↗
Known as LOXO-305 “A Study of Pirtobrutinib (LY3527727 [LOXO-305]) Versus Placebo in Participants With Relapsing Multiple Sclerosis” NCT06104683 ↗
7

“pirtobrutinib (also called LOXO-305)” NCT06263491 ↗

“Pirtobrutinib (LOXO-305)” NCT06190691 ↗

“LOXO-305” NCT05024045 ↗

NCT06180954 ↗

NCT05134337 ↗

NCT05134350 ↗

NCT04849416 ↗

Known as LY3527727 “A Study of Pirtobrutinib (LY3527727) in Participants With Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma” NCT07218341 ↗
Known as RXC-005 ChEMBL registry synonym — accepted as the source's own label CHEMBL4650485 ↗
Action Inhibit “Pirtobrutinib inhibited BTK activation as well as downstream signaling in MEC-1 isogenic cells overexpressing BTKWT, BTKC481S, or BTKC481R.” PMID 35595730 ↗ May 2022
Modality Small molecule — CHEMBL4650485 ↗
Route Oral “100-300 mg oral pirtobrutinib once a day” PMID 42069409 ↗ May 2026
Target BTK “Pirtobrutinib inhibits wild-type and mutant Bruton's tyrosine kinase-mediated signaling in chronic lymphocytic leukemia.” PMID 35595730 ↗ May 2022