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Cited by 411

The DOI matches its Crossref record; 54 of the 54 references it cites were found in a registry or an index.

Phase I and Pharmacokinetic Study of MS-275, a Histone Deacetylase Inhibitor, in Patients With Advanced and Refractory Solid Tumors or Lymphoma

Ryan, Qin C., Headlee, Donna, Acharya, Milin, Sparreboom, Alex, Trepel, Jane B., Ye, Joseph, Figg, William D., Hwang, Kyunghwa, Chung, Eun Joo, Murgo, Anthony, Melillo, Giovanni, Elsayed, Yusri, Monga, Manish, Kalnitskiy, Mikhail, Zwiebel, James, Sausville, Edward A.·2005·Journal of Clinical Oncology

Abstract

Purpose: The objective of this study was to define the maximum-tolerated dose (MTD), the recommended phase II dose, the dose-limiting toxicity, and determine the pharmacokinetic (PK) and pharmacodynamic profiles of MS-275. Patients and Methods: Patients with advanced solid tumors or lymphoma were treated with MS-275 orally initially on a once daily × 28 every 6 weeks (daily) and later on once every-14-days (q14-day) schedules. The starting dose was 2 mg/m 2 and the dose was escalated in three- to six-patient cohorts based on toxicity assessments. Results: With the daily schedule, the MTD was exceeded at the first dose level. Preliminary PK analysis suggested the half-life of MS-275 in humans was 39 to 80 hours, substantially longer than predicted by preclinical studies. With the q14-day schedule, 28 patients were treated. The MTD was 10 mg/m 2 and dose-limiting toxicities were nausea, vomiting, anorexia, and fatigue. Exposure to MS-275 was dose dependent, suggesting linear PK. Increased histone H3 acetylation in peripheral-blood mononuclear-cells was apparent at all dose levels by immunofluorescence analysis. Ten of 29 patients remained on treatment for ≥ 3 months. Conclusion: The MS-275 oral formulation on the daily schedule was intolerable at a dose and schedule explored. The q14-day schedule is reasonably well tolerated. Histone deacetylase inhibition was observed in peripheral-blood mononuclear-cells. Based on PK data from the q14-day schedule, a more frequent dosing schedule, weekly × 4, repeated every 6 weeks is presently being evaluated.

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Metadata

Authors
Ryan, Q. C., Headlee, D., Acharya, M., Sparreboom, A., Trepel, J. B., Ye, J., Figg, W. D., Hwang, K., Chung, E. J., Murgo, A., Melillo, G., Elsayed, Y., Monga, M., Kalnitskiy, M., Zwiebel, J., & Sausville, E. A.
Venue
Journal of Clinical Oncology
Published
2005-06-10
Volume
23
Issue
17
Pages
3912-3922
ISSN
  • 0732-183X (ISSN-L)
  • 1527-7755
OpenAlex
W2157511493
Cited by
411
References
54
FWCI
16.13
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Phase I and Pharmacokinetic Study of MS-275, a Histone Deacetylase Inhibitor, in Patients With Advanced and Refractory Solid Tumors or Lymphoma. https://app.cochat.ai/papers/10.1200/jco.2005.02.188
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Ryan, Q. C., Headlee, D., Acharya, M., Sparreboom, A., Trepel, J. B., Ye, J., Figg, W. D., Hwang, K., Chung, E. J., Murgo, A., Melillo, G., Elsayed, Y., Monga, M., Kalnitskiy, M., Zwiebel, J., & Sausville, E. A. (2005). Phase I and Pharmacokinetic Study of MS-275, a Histone Deacetylase Inhibitor, in Patients With Advanced and Refractory Solid Tumors or Lymphoma. Journal of Clinical Oncology. https://doi.org/10.1200/jco.2005.02.188

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.