๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-08-05

A First-in-human Dose Escalation and Expansion Study to Evaluate the Safety, and Tolerability of AZD8421 Alone or in Combination in Participants With Selected Advanced or Metastatic Solid Tumors (NCT06188520)

A Phase I/IIa, First-in-human, Open-label, Dose Escalation and Expansion Study to Evaluate the Safety, Pharmacokinetics, Pharmacodynamics and Preliminary Efficacy of AZD8421 Alone or in Combination in Participants With Selected Advanced or Metastatic Solid Tumors

๐ŸŸข Recruiting Phase1 / Phase2 ๐Ÿ’Š Investigational Drug / Biologic Sponsor: AstraZeneca

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

This study is designed to evaluate AZD8421 alone and in combination with selected targeted anti-cancer drugs in patients with ER+HER2- advanced breast cancer, and patients with metastatic high-grade serious ovarian cancer.

Who can join: Review the eligibility criteria below.

Location: Research Site โ€” St Louis, Missouri

Age range: 18 Years

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (14 Sites)

  • Research Site โ€” St Louis, Missouri
  • Research Site โ€” Providence, Rhode Island
  • Research Site โ€” Nashville, Tennessee
  • Research Site โ€” Houston, Texas
  • Research Site โ€” East Melbourne,
  • Research Site โ€” Seoul,
  • Research Site โ€” Seoul,
  • Research Site โ€” Barcelona,
  • Research Site โ€” Pamplona,
  • Research Site โ€” Valencia,
  • Research Site โ€” Cambridge,
  • Research Site โ€” Leeds,
  • Research Site โ€” London,
  • Research Site โ€” Manchester,

๐Ÿ“ž Contact the Study Coordinator

Phone: (877) 240-9479

Email: information.center@astrazeneca.com

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

๐Ÿ’ฐ Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

More studies in ER+ HER2- Advanced Breast Cancer

๐Ÿ’ก How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
๐Ÿ›๏ธ View Official NIH Record โ†—