Loxo Oncology

Open enrollment across a mixed-phase pipeline

According to ClinicalTrials.gov-derived indexes, Loxo Oncology sits in the top decile of US sponsors by registered trial count (#987 of 15,742 sponsors by registered trial count).

14 total trials 2 currently recruiting 7 completed top decile by trial count

Loxo Oncology: 14 sponsored US clinical trials, 2 recruiting.

Loxo Oncology sponsors 14 registered US clinical trials on ClinicalTrials.gov, 2 of them currently recruiting, and 7 completed. 6 of these trials are in Phase 3-4 (later-stage) and 8 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Small Lymphocytic Lymphoma, with 5 trials.

Top-decile sponsor footprint

Loxo Oncology ranks in the top decile of sponsors by registered trial count (#987 of 15,742 sponsors by registered trial count). Volume at this scale usually reflects a long institutional pipeline, read phase tilt and therapeutic areas below before treating it as current-year activity.

Open and recent trials

14 total, page 1 of 1

RECRUITING Phase 2

A Study Evaluating the Efficacy and Safety of Pirtobrutinib in Participants With Relapsed or Refractory Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma

NCT06588478

RECRUITING Phase 3

A Study of Pirtobrutinib (LOXO-305) Versus Ibrutinib in Participants With Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Lymphoma (SLL)

NCT05254743

ACTIVE NOT RECRUITING Phase 3

A Study of Pirtobrutinib (LOXO-305) Versus Bendamustine Plus Rituximab (BR) in Untreated Patients With Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Lymphoma (SLL)

NCT05023980

ACTIVE NOT RECRUITING Phase 3

A Trial of Pirtobrutinib (LOXO-305) Plus Venetoclax and Rituximab (PVR) Versus Venetoclax and Rituximab (VR) in Previously Treated Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL)

NCT04965493

ACTIVE NOT RECRUITING Phase 3

Study of BTK Inhibitor LOXO-305 Versus Approved BTK Inhibitor Drugs in Patients With Mantle Cell Lymphoma (MCL)

NCT04662255

ACTIVE NOT RECRUITING Phase 3

Study of LOXO-305 (Pirtobrutinib) Versus Investigator's Choice (Idelalisib Plus Rituximab or Bendamustine Plus Rituximab) in Patients With Previously Treated Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Lymphoma (SLL)

NCT04666038

ACTIVE NOT RECRUITING Phase 3

A Study of Selpercatinib (LY3527723) in Participants With RET-Mutant Medullary Thyroid Cancer

NCT04211337

COMPLETED Phase 1

A Drug Drug Interaction (DDI) Study of Pirtobrutinib (LY3527727) and Rosuvastatin in Healthy Participants

NCT05176314

COMPLETED Phase 1

A Relative Bioavailability Study of Selpercatinib (LY3527723) in Healthy Participants

NCT05136404

COMPLETED Phase 1

A Study Comparing Two Formulations of Selpercatinib (LY3527723) in Healthy Participants

NCT05089019

COMPLETED Phase 1

A Drug Drug Interaction (DDI) Study of Selpercatinib and Dabigatran in Healthy Participants

NCT04782076

COMPLETED Phase 1

Study of the Effects of Itraconazole and Rifampin on LOXO-305 in Healthy Participants

NCT05134337

COMPLETED Phase 1

Study of the Effect of Food and a Proton Pump Inhibitor (PPI; Omeprazole) on LOXO-305 in Healthy Participants

NCT05134350

COMPLETED Phase 1

A Study of Oral LOXO-305 in Patients With Previously Treated CLL/SLL or NHL

NCT03740529

Phase Distribution

PhaseTrial count
Phase 1 7
Phase 2 1
Phase 3 6

What is open in the Loxo Oncology pipeline

2 recruiting of 14 indexed (14% open); 7 completed (50%).

Phase mix: 6 late (III/IV) vs 8 early (I/II) (balanced across stages).

Top condition: Small Lymphocytic Lymphoma (5 trials), 6 others listed.

How open-pipeline share is computed

Recruiting share is recruiting_count divided by trial_count for this sponsor in the public registry export. Status can change between pulls; treat the figure as a research-attention snapshot, not product availability.

Loxo Oncology: open-pipeline peers nationwide

Peers matched on 14 registered trials and 14% open enrollment, not the therapeutic-area sidebar.

Loxo Oncology sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot). 2×2 strategic matrix plotting 9 entities by Total trials (X) and Recruiting share (Y), with a crosshair dividing the plot into four quadrants. Higher volume & more openFocused & more openHigher volume, mostly closedSmaller & mostly closed 01020304050 0%5%10%15%20% Total trials Recruiting share Loxo Oncology3-C Institute for Social DevelopmentAbbott Medical OpticsAbbott RDx CardiometabolicAcceleron Pharma, Inc., a wholly-owned subsidiary of Merck & Co., Inc., Rahway, NJ USAAcademic and Community Cancer Research UnitedAdaptive BiotechnologiesAgelessRxAlaska Blind Child Discovery
Loxo Oncology sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot).

Loxo Oncology sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together.

Sponsors near 14 trials (± recruiting share)

Sponsors near 14% open enrollment (± trial volume)

What to do with this Loxo Oncology page

14 registered trials is a research-attention snapshot, not an endorsement of Loxo Oncology or any single study.

  • 2 of Loxo Oncology's trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Small Lymphocytic Lymphoma is the condition Loxo Oncology studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Small Lymphocytic Lymphoma trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Loxo Oncology pipeline card: 14 registered trials from official public datasets.Report a data error.