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Andrew D. Smith

Articles by Andrew D. Smith

Omid Hamid, MD

Clinical trials demand extreme rigor. A mistake in trial design, like a bookkeeping error, can lead regulators to reject a potentially valuable drug. Many researchers dislike this intense focus on dotting i’s and crossing t’s. Omid Hamid, MD, enjoys the challenge.

Nearly 15 years have passed since pathologists at Memorial Sloan Kettering Cancer Center conducted gene expression analyses on breast cancer primary tumors and described a potential role for a novel target, which quickly became a major research focus for their colleague Tiffany A. Traina, MD.

In the past 5 years, the FDA has awarded 4 drugs 9 new indications for the treatment of advanced ovarian cancers. Although these approvals represent a welcome expansion of the therapeutic toolkit for this challenging malignancy, the arrival of new options has outpaced efforts to discover the best use for each medication.

The search for effective alternatives to radical cystectomy (RC) in patients with bladder cancer has lasted more than 3 decades. Progress has been slow, but investigators have proved that a combination of radiation, chemotherapy, and maximal transurethral resection of the bladder tumor works as well as RC in carefully selected patients.

The Tice strain of BCG has emerged as a go-to drug for treating primary and recurrent bladder cancer, but in the United States and some other countries, a constellation of marketplace dynamics has reduced manufacturers of this agent to a sole producer that is unable to keep up with demand. Available supplies are being rationed, and sufficient expansion of supply could be years away.

A policy change that allows step therapy provisions in Medicare Advantage insurance plans is setting off alarm bells among oncology leaders, who have joined medical associations from across the country in objecting to the revision.

Like clinicians elsewhere, investigators from the University of Colorado, Denver, struggled not only to predict the likelihood that a particular patient would do well with surgery alone but also to convey their estimates in terms that patients would understand.

Tumor-treating field therapy, which uses low-intensity electrical fields to disrupt cancer cell division and promote cell death, has gained a frontline approval in glioblastoma. Several pivotal clinical trials have been launched to determine whether the technology can help patients with other solid tumors.

Benchmarking has historically been difficult in oncology because of barriers to the flow of information and the complexities of care. However, such performance comparisons are now becoming a part of payment models, and practices realize they need comparative data to understand how well they perform.

The gene-editing tool known as CRISPR may eventually enable oncology investigators to create methods for killing tumors directly, but thus far, the focus is on enhancing forms of immunotherapy already in clinical practice.