Table 3 BRD4 BD1 and BD2 bromodomain inhibitors in clinical trials.

From: Super-enhancers and the super-enhancer reader BRD4: tumorigenic factors and therapeutic targets

BRD4 inhibitor

Cancer type

Trial Phase

Anticancer effects

Side effects

References

OTX015

Lymphoma, myeloma & acute myeloid leukemia

Phase I

A minority of patients achieve complete or partial remission

Thrombocytopenia, diarrhea, vomiting, fatigue, and hyponatraemia. Manageable, progressed into Phase II trials.

[65, 66]

CC-90010 alone, or CC-90010 + Temozolomide

Glioblastomaother solid tumors & lymphoma

Phase I & Ib

Anticancer effects in a minority of patients by CC-90010. Promising anticancer effects by combination therapy

Thrombocytopenia, anemia, and fatigue. Well-tolerated.

[67, 68]

ABBV-075, ABBV-075 plus Venetoclax

Prostate cancer, other solid tumors, acute myeloid leukemia

Phase I

Monotherapy shows limited anticancer effects, ABBV-075 plus Venetoclax is much more effective.

Dysgeusia, loss of appetite, diarrhea, fatigue, nausea, thrombocytopenia, and anemia. Manageable.

[69, 70]

INCB054329 or INCB057643

Solid tumor & lymphoma

Phase I/II

A minority of patients achieve complete or partial remission.

Thrombocytopenia, nausea, fatigue and decreased appetite. Manageable.

[71]

Pelabresib (CPI-0610) Plus Ruxolitinib

Myelofibrosis

Phase II & III

The majority of patients achieve partial response.

Thrombocytopenia and anemia. Well-tolerated.

[72, 73]

GSK525762 (Molibresib)

NUT carcinoma, leukemia, lymphoma, myeloma

Phase I

A minority of patients achieve complete or partial remission.

Thrombocytopenia, anemia and neutropenia limit dose-escalation and anticancer effects

[74,75,76]

BAY 1238097

Solid tumors

Phase I

On-target effects on BRD4-inhibition biomarkers, such as reduction in MYC expression.

Dose-limiting toxicities including nausea, vomiting, headache, back pain and fatigue. Trial was terminated.

[77]

ODM-207

Solid tumors including prostate cancer

Phase I

No complete or partial responses were observed

Thrombocytopenia, anorexia, nausea, diarrhea and fatigue, indicating a narrow therapeutic window

[78]