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Completed Phase 1 Interventional

A Study of SY 5609, a Selective CDK7 Inhibitor, in Advanced Solid Tumors

ClinicalTrials.gov ID: NCT04247126

Public ClinicalTrials.gov record NCT04247126. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 22, 2026, 6:33 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 1 Study of SY 5609, an Oral, Selective CDK7 Inhibitor, in Adult Patients With Select Advanced Solid Tumors

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The study consists of 2 parts. Part 1 is dose escalation and will first administer SY-5609 alone to participants with select advanced solid tumors and then in combination with fulvestrant to participants with HR positive, HER2-negative breast cancer. Part 2 is a dose expansion and will first administer SY-5609 in combination with gemcitabine and then SY-5609 in combination with gemcitabine and nab-paclitaxel in participants with pancreatic ductal adenocarcinoma (PDAC) .

Study identification

NCT ID
NCT04247126
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Syros Pharmaceuticals
Industry
Enrollment
105 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 23, 2020 (Actual)
Primary completion
Jan 31, 2023 (Actual)
Completion
Mar 30, 2023 (Actual)
Last update posted
Oct 27, 2023

2020 – 2023

United States locations

U.S. sites
16
U.S. states
13
U.S. cities
14
Facility City State ZIP Site status
Banner MD Anderson Cancer Center Gilbert Arizona 85234 —
Cedars-Sinai Medical Center Los Angeles California 90048 —
University of California Los Angeles Los Angeles California 90095 —
Orlando Health Cancer Institute Orlando Florida 32806 —
Emory University Atlanta Georgia 30322 —
The University of Iowa Iowa City Iowa 52242 —
Johns Hopkins University Baltimore Maryland 21205 —
Massachusetts General Hospital Boston Massachusetts 02114 —
Dana Farber Cancer Institute Boston Massachusetts 02215 —
University of Michigan Ann Arbor Michigan 48109 —
START Midwest, LLC Grand Rapids Michigan 49546 —
Duke University Durham North Carolina 27705 —
Stephenson Cancer Center Oklahoma City Oklahoma 73104 —
Sidney Kimmel Cancer Center Philadelphia Pennsylvania 19107 —
Sarah Cannon Research Institute - Tennessee Oncology Nashville Tennessee 37203 —
South Texas Accelerated Research Theraputics (START), LLC San Antonio Texas 78229 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04247126, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 27, 2023 · Synced Oct 22, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04247126 live on ClinicalTrials.gov.

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