One, a replacement enzyme, like the treatment being studied for Pompe disease, costs $170,000 to $340,000 a year per patient.

Other treatments being studied for lung cancer include radiofrequency ablation and cryosurgery.

It may not mention every new treatment being studied.

One group (called the control group) does not receive the new treatment being studied.

Thus, the summary measure resulting from the meta-analysis would reflect the effect of the treatment being studied.

In a controlled trial, one group (called the control group) does not receive the new treatment being studied.

Interventions Interventions refer to the drug, vaccine, procedure, device, or other potential treatment being studied.

In a clinical trial, the group that does not receive the new treatment being studied.

This summary section refers to specific treatments under study in clinical trials, but it may not mention every new treatment being studied.

Some patients are concerned that the treatment being studied or the follow-ups required will undermine the quality of their lives.