### activity | attempt | trial:

Clinical trial
* Most clinical trials study a sample of the population at risk.
* Some clinical trials examine the effectiveness of one particular treatment in one group of patients
  - test one research treatment in one group of patients
* answer important scientific questions which can lead to future advances in care.
* are a formal, regulated way to test new treatments, such as drugs or equipment
  - fundamental part of continued progress in fighting childhood cancer
  - part of science
  - also an important aspect of medical education
  - an essential means of finding better treatments for breast cancer
* are an important method of evaluating new approaches to a disease such as cancer
  - identifying and evaluating new treatments
  - part of breast cancer research
  - cancer treatments still in research
  - controlled experiments used to investigate the efficacy of new treatments
  - detailed research studies that determine a treatment's safety and effectiveness
  - examples of designed experiments in the medical field
  - experimental medical research studies
  - experiments to determine the value of specific treatments
  - extremely important in discovering new techniques to fight disease
  - one way in which progress can be made
* are research studies conducted with patients or with healthy people
  - people who volunteer to take part
* are research studies designed to evaluate new cancer treatments
  - find more effective treatment
  - improve treatment for cancer patients
  - in which people participate
  - involving patients
* are research studies that have been approved for use in humans
  - approved in use for humans
* are research studies that involve human beings
* are research studies that test new approaches to the treatment of cancer
  - treatments in people with cancer
* are research studies to evaluate new ways to treat cancer
  - test new drugs or treatments
* are scientific studies of the effects of a new treatment or medication in humans
  - that require the participation of volunteer patients
  - which require the participation of volunteer patients
* are studies conducted with the consent of patients to evaluate a new treatment
  - designed to find better ways to prevent or treat diseases like cancer
  - of promising new or experimental treatments
* are studies that evaluate the effectiveness of new interventions
  - use new treatments to care for patients
* are the best way for physicians to learn more about experimental treatments
  - to find cures and identify effective treatments for cancer
  - essential bridge between science and medicine
  - foundations of evidence-based treatments
  - gold standard of scientific studies
  - last phase in the development of new drugs
  - link between research and the relief of human suffering
  - means by which experimental drugs or treatments are tested in humans
  - only way to find out if a drug works and if it is safe for people to take
  - primary method of advancing medical knowledge
  - principal means by which new treatments are evaluated
  - scientific studies doctors use to find new ways of treating disease
  - trials crucial to increasing knowledge of mood disorders
* can identify better ways to prevent, detect, or treat cancer.
* contribute to knowledge and progress against cancer.
* evaluate all types of treatment for cancer in humans.
* help scientists determine the safety and effectiveness of new therapies
  - develop improved treatments and sometimes lead to cures
* involve medical research with people.
* link basic research with clinical care, leading to improved therapies.
* make a difference in everyone's lives.
* measure a drug's safety and effectiveness when used to treat humans.
* offer individuals an opportunity to help themselves and to help others.
* represent an important option in the overall management of women with breast cancer.
* research new treatments to determine their effectiveness and safety.
* show that there are factors about home birth which make births easier.
* using dendritic cell vaccines show great promise in treating cancer.