Clinical Trials

Multiple clinical trials evaluate quisinostat (JNJ-26481585) across Early Phase 1 through Phase 2 studies for oncology indications, including ovarian cancer, multiple myeloma, cutaneous T-cell lymphoma, glioblastoma, and advanced hematologic malignancies. Sponsored by pharmaceutical, biotechnology, and academic entities, these studies test quisinostat as monotherapy and in combination with chemotherapeutics, proteasome inhibitors, or radiotherapy. While several trials assessing safety and preliminary efficacy have been completed or terminated, active studies continue to evaluate quisinostat in combination regimens for advanced cancers such as grade 4 glioblastoma.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT06932757 RECRUITING
Uveal Melanoma
University of Miami
2025-05-27 PHASE2
NCT06824662 ACTIVE_NOT_RECRUITING
Glioblastoma WHO Grade IV
Nader Sanai
2025-09-04 EARLY_PHASE1
NCT02948075 COMPLETED
Ovarian Cancer
NewVac LLC
2015-09 PHASE2
NCT02728492 COMPLETED
Non-small Cell Lung Cancer; Epithelial Ovarian Cancer
NewVac LLC
2013-08 PHASE1
NCT02948075 Completed
Ovarian Cancer
NewVac LLC|Janssen Pharmaceutica N.V. Belgium
2015-09 Phase 2
NCT01486277 COMPLETED
Lymphoma, T-Cell, Cutaneous
Janssen Research & Development, LLC
2011-11 PHASE2
NCT01464112 COMPLETED
Multiple Myeloma
Janssen Research & Development, LLC
2011-09-16 PHASE1
NCT00676728 TERMINATED
Advanced or Refractory Leukemia; Myelodysplastic Syndromes
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2008-12 PHASE1
NCT00677105 COMPLETED
Lymphoma; Neoplasms
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2007-08 PHASE1
NCT01464112 Completed
Multiple Myeloma
Janssen Research & Development LLC
2011-09-16 Phase 1
NCT00676728 Terminated
Advanced or Refractory Leukemia|Myelodysplastic Syndromes
Johnson & Johnson Pharmaceutical Research & Development L.L.C.
2008-12 Phase 1
NCT00677105 Completed
Lymphoma|Neoplasms
Johnson & Johnson Pharmaceutical Research & Development L.L.C.|Janssen Pharmaceutica N.V. Belgium
2007-08 Phase 1

(data from https://clinicaltrials.gov, updated on 2026-06-18)

Check the Quisinostat (JNJ-26481585) Dihydrochloride product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Compliance for Clinical Use

Mechanism and Biochemical Profile

Quisinostat selectively binds to and inhibits histone deacetylase 1 (HDAC1), leading to the hyperacetylation of histones, upregulation of p21, and activation of the caspase cascade to induce cell cycle arrest and apoptosis. This HDAC-mediated suppression of tumor cell proliferation and angiogenesis underscores its therapeutic potential in clinical trials targeting advanced hematologic malignancies, cutaneous T-cell lymphoma, and solid tumors such as ovarian cancer and glioblastoma.

Appendix RUO and cGMP Quality Standards

Quality Dimension RUO (Research Use Only) cGMP (Current Good Manufacturing Practice)
Clinical Applicability Prohibited in human clinical trials or medical diagnostics. Mandatory for human clinical trials (Phase I–III) and therapies.
Regulatory Status Non-regulated grade; exempt from drug manufacturing laws. Legally enforced by health authorities (e.g., FDA, EMA, NMPA).
Facility Environment Unclassified analytical or research laboratories. Validated Cleanrooms (ISO Class 5–8) with continuous monitoring.
Quality Control Basic purity and activity testing. Rigorous safety release testing (Sterility, Endotoxin, Mycoplasma).
Process Validation Basic equipment calibration; no process validation required. Full qualification (IQ/OQ/PQ) and complete batch records.
Quality Assurance Vendor self-declared without required formal QMS. Mandatory QA/QC unit, Change Control, CAPA, and vendor audits.
Regulatory Impact High risk of IND rejection if used as a critical raw material. Required for IND/NDA filings, supported by Drug Master Files (DMF).

Footnotes

Regulatory Note: Governed by FDA (21 CFR Parts 210/211/312), EMA (EudraLex Vol 4), ICH Guidelines (E6/Q7/Q9/Q10), and compendial standards (USP <71>/<85>/<1043>).

Note: Technical data last updated: Sep 1, 2026.