Not medical advice. This website is not medical advice, a diagnosis, a match to a trial, or a recommendation to join a study. Listings are plain-English rewrites of public ClinicalTrials.gov records. Whether a site is still enrolling, and whether you qualify, can only be confirmed by the study team and your clinician. Source registry: ClinicalTrials.gov. Editorial rules: methodology.
RecruitingPhase 1interventionalRules rewrite

Phase 1: testing PRT13722 for Breast Cancer

This first-in-human, open-label, multicenter study will measure the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary antitumor activity of PRT13722, an oral KAT6A protein degrader, in adults with locally advanced or metastatic Hormone receptor-positive, human epidermal growth factor receptor 2-negative (HR+/HER2-) breast cancer. PRT13722 will be evaluated as this drug alone and in combination with fulvestrant, abemaciclib plus fulvestrant, or imlunestrant to determine recommended dose(s) for expansion (RDE) and evaluate preliminary clinical activity.

Official registry: https://clinicaltrials.gov/study/NCT07905001 · Prelude Therapeutics Incorporated · enrollment listed as 242

What this phase means

Phase 1: the first tests in people. The main question is safety and dose, not whether it cures the condition. Groups are small. Side effects are watched closely.

Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.

What the registry says happens

If you join, the listed intervention(s) are PRT13722, Fulvestrant, or Abemaciclib. The registry lists allocation as randomized. This first-in-human, open-label, multicenter study will measure the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary antitumor activity of PRT13722, an oral KAT6A protein degrader, in adults with locally advanced or metastatic Hormone receptor-positive, human epidermal growth factor receptor 2-negative (HR+/HER2-) breast cancer.

They plan to enroll about 242 people at Maumee. Taking part typically means taking a study drug (or dummy pill) plus check-ins.

Official title (unrewritten)

A Phase 1/1b, First-in-Human, Open-Label, Multicenter Study to Evaluate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Antitumor Activity of PRT13722, a KAT6A Protein Degrader, as Monotherapy and in Combination With Endocrine and Targeted Therapy in Adults With Locally Advanced or Metastatic HR-Positive, HER2-Negative Breast Cancer

Interventions: PRT13722, Fulvestrant, Abemaciclib, Imlunestrant

Primary outcome (registry wording): Dose limiting toxicity of PRT13722 (Parts 1A and 2)

Who it is for (from inclusion criteria)

  • Ages 18 Years to any
  • Willing and able to comply with all scheduled visits, treatment plan, laboratory tests, lifestyle considerations (including contraception requirements), and other study procedures
  • histological or cytological diagnosis of locally advanced or metastatic HR-positive/HER2-negative breast cancer
  • Disease progression following prior standard therapy and eligible for the assigned study cohort
  • Measurable or evaluable disease per RECIST v1.1
  • Willingness to provide tumor tissue for biomarker analyses
  • Eastern Cooperative Oncology Group performance status of 0-1
  • Negative serum or urine pregnancy test and agree to use highly effective contraception or maintain true abstinence

Public study contact (from the registry)

Study Contact (Please Do Not Disclose Personal Information)

See Email

clinicaltrials@preludetx.com

Published on ClinicalTrials.gov. Contact them as a possible participant. They decide eligibility.

Sites listed on ClinicalTrials.gov

1 listed

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FAQ about this NCT record

Is NCT07905001 still recruiting?

The sponsor posted status “Recruiting” on ClinicalTrials.gov at last ingest. Sites can pause independently. Confirm with the official record and the listed contact.

What phase is NCT07905001?

Phase 1. Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.

Can PlainTrials tell me if I qualify for NCT07905001?

No. The inclusion and exclusion lists on this page are readable extracts of the public eligibility block. Only the study team can screen you.

How to read a ClinicalTrials.gov record · Questions to ask the coordinator · Glossary