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FCX-007

Page updated ·next FDA decision on the calendar ·Data as of Oct 13, 2026 11:39 PM ET

FCX-007 is a Castle Biosciences Inc program. Its next catalyst is a Readout in Sep 2027. Every date links its source.

CSTL catalyst hub

All upcoming FDA decision dates on the 2026 PDUFA calendar

About this program

Sponsor: Castle Biosciences Inc (CSTL). We track 1 catalyst event for this program: 1 upcoming and 0 in the record. A PDUFA date is the FDA's target date to complete review of a marketing application; a readout is the sponsor's expected date for clinical trial results. What a PDUFA date is · why we do not compare trial results across drugs.

Catalyst history

Readout · Sep 2027CSTL

Specialist biotech funds holding CSTL, 13F for the quarter ended June 30, 2026

FundSharesValue at quarter endFiling
RTW Investments2,778,335$66.3 millionfiled August 14, 2026

13F reports list long positions in common stock at quarter end, are due 45 days later, and show no short positions or later trades. Notes, warrants and other instruments are not counted as shares.

Questions

When is FCX-007's next FDA decision or readout?

The next tracked catalyst for FCX-007 is a Readout in Sep 2027.

What happened at FCX-007's most recent FDA decision?

No FDA decision for FCX-007 is in our archive yet.

Who makes FCX-007?

Castle Biosciences Inc (CSTL).

Where does this data come from?

FDA announcements, sponsor press releases and SEC filings; every date on this page links its source.