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Study details
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DASH Trial: Testing Ceralasertib and Trastuzumab Deruxtecan

National Cancer Institute (NCI)
NCT IDNCT04704661ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1

Target enrollment

51

Study length

about 4.6 years

Ages

18+

Locations

23 sites in CA, FL, IL +8

What this study is about

Researchers are testing a treatment with ceralasertib (AZD6738) and trastuzumab deruxtecan in people with advanced solid tumors that have HER2 changes or protein. The goal is to find the best dose of this combination for safety, side effects, and effectiveness. The trial also compares how colorectal and gastroesophageal cancers respond to treatment with ceralasertib and trastuzumab deruxtecan versus trastuzumab deruxtecan alone.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Receive Trastuzumab Deruxtecan
  • 2.Take Ceralasertib
  • 3.Undergo Biopsy Procedure
  • +3 more

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Injection / IV

How treatment is administered

Treatment Assignment
All receive treatment

Everyone gets the investigational treatment.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Drug classes

trastuzumab deruxtecan

Drug routes

infusion

Endpoints

Primary: Differential pharmacodynamic (PD) profile of tumor tissue (DNA damage & repair) (Dose expansion phase), Incidence of adverse events (Dose escalation phase)

Secondary: Best overall response, Disease control rate, Duration of response, Immunogenicity, Objective response rate (ORR), Overall survival, PD markers, Pharmacokinetics

Procedures

biopsy, diagnostic, imaging

Body systems

Oncology