Example of informed consent document from the PARAMOUNT trial
The prevalence of mental illness is higher in more economically unequal countries
In this Ottoman Empire document from 1539 a father promises to not sue a surgeon in case of death following the removal of his son's urinary stones.

A health care provider may ask a patient to consent to receive therapy before providing it, a clinical researcher may ask a research participant before enrolling that person into a clinical trial, and a researcher may ask a research participant before starting some form of controlled experiment.

- Informed consent

Types of consent include implied consent, express consent, informed consent and unanimous consent.

- Consent
Example of informed consent document from the PARAMOUNT trial

1 related topic

Alpha

Human subject research

Systematic, scientific investigation that can be either interventional or observational (no "test article") and involves human beings as research subjects, commonly known as test subjects.

Systematic, scientific investigation that can be either interventional or observational (no "test article") and involves human beings as research subjects, commonly known as test subjects.

Voluntary, informed consent

They were often performed illegally, without the knowledge, consent, or informed consent of the test subjects.