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.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. Loxo Oncology pipeline card: 14 registered trials from official public datasets. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.