STX-478 clinical trials
Also written LY4064809, STX-478 and Tersolisib.
How each study uses STX-478 is sorted by a rule, right about nine times in ten. Readers can ask us to read every study one by one.Ask us to read each study
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Example · made-up studies
Breast cancer · Recruiting: 2 came in, 3 changed
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A study of drug A after surgery for early breast cancer
Came in · now Recruiting
Drug B with hormone therapy in advanced breast cancer
Changed
· Sites: 4 added, including Seoul and Busan
· Enrollment: 300 → 450 participants
Exercise during chemotherapy
Now Active, not recruiting
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Approvals
The first approval found in each region, with its record
- United States
- Not in FDA's approval records
- European Union
- Not in EMA's list of EU-wide authorisations
From FDA's Drugs@FDA and Purple Book (through openFDA) and the European Medicines Agency, files of Sept 2026 and 27 Oct 2026. National approvals in Europe and other countries are not included. How this is worked out
How studies write it
Studies that test it under each name
Studies by the year they started
9 studies that test it; most in 2025 (4)
| Year | Studies |
|---|---|
| 2023 | 1 |
| 2025 | 4 |
| 2026 | 4 |
By phase
A phase 1/2 study counts in both.
What it is tested for
Each study’s main condition, where its own words name it, so a study counts once.
Who runs them
Industry 9 · Other 0
Eli Lilly and Company (6) · Scorpion Therapeutics, a wholly owned subsidiary of Eli Lilly and Company (3)
Related medicines
As reviewed, each with the page that says it.
- One of Protein Kinase Inhibitors source
Coming up
From the study records. Dates are the sponsors’ own estimates and often move.
Reaching primary completion within a year · 1
Studies that test STX-478.
- Aug 2027A Study of Tersolisib (LY4064809) in Participants With Kidney Impairment Compared With Participants With Normal Kidney FunctionPhase 1 · Scorpion Therapeutics, a wholly owned subsidiary of Eli Lilly and Company
Studies
Open first, then newest update. How each study uses STX-478 is read from its arms, and is right about nine times in ten. Ask us to read each study. These are the studies that list it as an intervention; a search of ClinicalTrials.gov also finds studies that mention it only in a description, such as earlier treatment.
Testing it · 9
- A Study of Tersolisib (LY4064809) in Participants With Kidney Impairment Compared With Participants With Normal Kidney FunctionNot yet recruitingPhase 1Scorpion Therapeutics, a wholly owned subsidiary of Eli Lilly and CompanyNCT07924930Written as Tersolisib
- A Study of Tersolisib (LY4064809/STX-478) With Other Anti-Cancer Treatments in Participants With Advanced Breast Cancer With a Genetic Change (PIK3CA)RecruitingPhase 3Eli Lilly and CompanyNCT07174336Written as LY4064809
- First-in-Human Study of Tersolisib (STX-478) as Monotherapy and in Combination With Other Antineoplastic Agents in Participants With Advanced Solid TumorsRecruitingPhase 1/2Eli Lilly and CompanyNCT05768139Written as STX-478
- A Study of Food Effect on Tersolisib (LY4064809) in Healthy ParticipantsCompletedPhase 1Eli Lilly and CompanyNCT07662798Written as Tersolisib
- A Study of [14C]-LY4064809 in Healthy ParticipantsCompletedPhase 1Eli Lilly and CompanyNCT07519525Written as LY4064809
- A Study of LY4064809 in Healthy Adult ParticipantsCompletedPhase 1Eli Lilly and CompanyNCT07339735Written as LY4064809 Test Formulation
- A Study of LY4064809 in Healthy Adult Chinese ParticipantsCompletedPhase 1Eli Lilly and CompanyNCT07247357Written as LY4064809
- A Study of Food Effect and Esomeprazole on LY4064809 in Healthy Adult ParticipantsCompletedPhase 1Scorpion Therapeutics, a wholly owned subsidiary of Eli Lilly and CompanyNCT06991179Written as LY4064809
- A Study of LY4064809 [14C]-STX-478 in Healthy Male ParticipantsCompletedPhase 1Scorpion Therapeutics, a wholly owned subsidiary of Eli Lilly and CompanyNCT06901336Written as [14C]-STX-478
Codes
What other systems call STX-478 · ClinicalTrials.gg INT002081
- MeSH (NLM) C000730635STX-478One source ClinicalTrials.gov
| System | Code | Name there | Checked by |
|---|---|---|---|
| MeSH (NLM) | C000730635 | STX-478 | One source ClinicalTrials.gov |
“Confirmed” means two independent publishers link the code to this drug; “one source”, one does and its name agrees.