Drugs / OPN-6602
last change Jul 2026 re-read 9 days ago

OPN-6602

Small molecule targets EP300 via inhibition

Developed for
plasma cell myeloma
Investigated by
Opna Bio LLC

Trials 1

20252026
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 1 NCT06433947 Aug 2024 → Jul 2026 overdue plasma cell myeloma Opna Bio LLC Recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 4

DateIssuerRelease
2026-04-15 Opna Bio LLC Regulatory Opna Bio Announces Fast Track Designation Granted to OPN-6602 for the Treatment of Multiple Myeloma opnabio.com ↗
Opna Bio, a clinical-stage biopharmaceutical company focused on the discovery and development of novel oncology therapeutics, today announced that the U.S. Food and Drug Administration (FDA) has granted Fast Track designation to OPN-6602, a dual EP300/CBP inhibitor, for the treatment of multiple myeloma (MM).
2025-02-12 Opna Bio LLC Regulatory Opna Bio Receives Orphan Drug Designation for OPN-6602, an Oral EP300/CBP Bromodomain Inhibitor, for Multiple Myeloma opnabio.com ↗
Opna Bio, a clinical-stage biopharmaceutical company focused on the discovery and development of novel oncology therapeutics, announced today that the FDA has granted orphan drug designation (ODD) to one of its lead programs, OPN-6602, for the treatment of multiple myeloma (MM).
2024-12-09 Opna Bio LLC Results Opna Bio Announces Interim Data from Phase 1 Combination Study of OPN-2853 with Ruxolitinib in Patients with Advanced Myelofibrosis opnabio.com ↗
Preclinical data from a second program, OPN-6602, showed significant tumor regression in multiple myeloma models as a single agent and in combination with other therapeutics.
2024-04-10 Opna Bio LLC Results Opna Bio Presents Promising Preclinical Data in Multiple Myeloma with OPN-6602 and in Malignant Mesothelioma with OPN-9840 Showing Significant Tumor Growth Inhibition at the American Association of Cancer Research Annual Meeting opnabio.com ↗
Opna Bio Presents Promising Preclinical Data in Multiple Myeloma with OPN-6602 and in Malignant Mesothelioma with OPN-9840 Showing Significant Tumor Growth Inhibition at the American Association of Cancer Research Annual Meeting

Evidence & citations 5 cited values

Every value below carries the sentence it was read from. 1 source stands behind the page.

FieldValueCited text
Known as OPN-6602 ClinicalTrials.gov intervention name — accepted as the source's own label NCT06433947 ↗
Action Inhibit “inhibitor of EP300 and CBP bromodomain” NCT06433947 ↗
Modality Small molecule “orally active, small molecule inhibitor of EP300 and CBP bromodomain; dosed daily” NCT06433947 ↗
Route Oral “orally active” NCT06433947 ↗
Target EP300 “inhibitor of EP300” NCT06433947 ↗