Related Experiment Video
Updated: Jul 14, 2026

An Organotypic High Throughput System for Characterization of Drug Sensitivity of Primary Multiple Myeloma Cells
Published on: July 15, 2015
Clinical trial designs for multiple myeloma.
1Cancer Research and Biostatistics, Seattle, WA 98195, USA. antjeh@crab.org
New anti-myeloma agents require updated clinical trial designs. This study addresses challenges with cytostatic agents in phase I, II, and III trials, focusing on dose toxicity and novel endpoints for better myeloma treatment evaluation.
Area of Science:
- Oncology
- Clinical Trial Design
- Pharmacology
Background:
- Conventional chemotherapy for myeloma is being supplemented by novel anti-myeloma agents with distinct mechanisms of action.
- This shift necessitates a re-evaluation of clinical trial designs, particularly for cytostatic agents.
Purpose of the Study:
- To discuss critical design issues for phase I, II, and III clinical trials involving cytostatic agents for myeloma.
- To explore alternative endpoints beyond tumor response for cytostatic agents and present trial designs for phase III studies.
Main Methods:
- Discussion of dose-toxicity curve characteristics for cytotoxic versus cytostatic agents.
- Analysis of endpoint appropriateness for phase II myeloma trials.
- Presentation of phase III clinical trial designs addressing overall efficacy and biomarker-defined subsets.
Main Results:
- Traditional phase I trial designs based on monotone dose-toxicity curves may not apply to cytostatic agents.
- Endpoints other than tumor shrinkage are crucial for evaluating cytostatic agents that stabilize disease.
- Phase III designs can be adapted to assess efficacy in the general patient population and specific biomarker-defined subgroups.
Conclusions:
- Clinical trial designs for myeloma must evolve to accommodate cytostatic agents.
- Novel endpoints and adaptive designs are essential for accurately assessing the efficacy of new anti-myeloma therapies.
- Biomarker-driven trial designs can optimize the evaluation of targeted therapies in myeloma.
Related Concept Videos
Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs
Clinical Trials
There are four phases in a clinical trial. A phase one...
Clinical Trials: Overview
Bioavailability Study Design: Single Versus Multiple Dose Studies
Bioequivalence Experimental Study Designs: Completely Randomized and Randomized Block Designs
Bioavailability Study Design: Healthy Subjects Versus Patients
