-
DE
Study Participant – Definition and Role in Clinical Trials
A study participant, or proband, is a person who voluntarily takes part in a scientific study or clinical trial. Participants play a vital role in advancing medical research.
Add as Preferred SourceThings worth knowing about "Study Participant"
A study participant, or proband, is a person who voluntarily takes part in a scientific study or clinical trial. Participants play a vital role in advancing medical research.
What Is a Study Participant?
A study participant (also referred to as a trial subject, research subject, or proband) is a person who voluntarily takes part in a scientific investigation, clinical trial, or experiment. The term originates from the Latin word probare (to test, to examine) and is widely used in medical research, psychology, and nutritional science.
Depending on the study design and research question, participants may be either healthy volunteers or individuals with a specific medical condition.
The Role of the Study Participant in Clinical Research
In clinical research, study participants are indispensable. They enable scientists and medical professionals to test new drugs, therapies, diagnostic methods, or dietary supplements, and to evaluate their efficacy and safety.
- Healthy participants: Commonly enrolled in Phase I studies to assess the safety and tolerability of new substances.
- Participants with a medical condition: Involved in later study phases to investigate therapeutic effectiveness.
Ethical Principles and Rights of Study Participants
Participation as a study subject is strictly governed by ethical guidelines and legal regulations. The key principles include:
- Voluntariness: Participation is always voluntary and free from coercion.
- Informed Consent: Before taking part, participants must be thoroughly informed about the study objectives, procedures, risks, and benefits, and must provide written consent.
- Data Protection: Personal data of participants are treated confidentially and evaluated anonymously.
- Right to Withdraw: Participants may discontinue their involvement at any time without providing reasons and without facing any disadvantages.
- Ethics Committee: Every study involving human participants must be approved by an independent ethics committee.
Phases of Clinical Trials Involving Participants
Clinical trials are divided into several phases, each involving study participants in different roles:
- Phase I: First administration in humans, typically with healthy volunteers. Goal: assess safety and tolerability.
- Phase II: Initial efficacy testing in a small group of patients.
- Phase III: Large-scale trials with many participants to confirm efficacy and safety.
- Phase IV: Post-marketing surveillance studies for long-term observation after a drug has been approved.
Distinction: Study Participant vs. Patient
In a clinical context, a distinction is made between a study participant and a patient. A patient actively seeks medical treatment due to an illness, while a study participant primarily contributes to the generation of scientific knowledge within a study. However, in clinical trials, a person can simultaneously be both a patient and a study participant when they have a condition and are enrolled in a therapy trial.
Importance for Medical Science
Without the voluntary involvement of study participants, the development of new drugs, vaccines, and therapeutic procedures would not be possible. Participants therefore make a crucial contribution to improving healthcare and public health.
References
- World Health Organization (WHO) - International Clinical Trials Registry Platform (ICTRP): Good Clinical Practice Guidelines. Geneva, WHO.
- European Parliament and Council - Regulation (EU) No 536/2014 on clinical trials on medicinal products for human use.
- International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH) - ICH E6(R2): Guideline for Good Clinical Practice, 2016.
Building Blocks for a Healthy Life
As an integrated manufacturer, we develop & produce evidence-based, patented, and non-patented formulations. We work exclusively with plant and natural extracts according to the strictest purity & quality standards.
The combination of science & modern technology with the laws of nature creates solutions consistently tailored to humans – for the highest good: health.
Skip product gallery
Subscription available
Floral
For Healthy Oral Flora & Dental Care
Formulated lozenges with Dentalac®, lactic acid bacteria, and Lactoferrin CLN®30 lozenges
Regular price:
€22.90
Discount
Subscription available
Lactoferrin 60 Capsules
For your universal protection
As one of the most valuable proteins in the body, lactoferrin is a natural component of the immune system.
60 Capsules
Sale price:
€50.00
Regular price:
€59.90
Discount
Subscription available
Multivitamin Mineral Complex
Daily basic supply: the complete spectrum of micronutrients
Natural multivitamin complex for the immune system, energy, and central body functions
30 Capsules
Sale price:
€27.90
Regular price:
€29.90
Subscription available
Natural Iron
For your iron balance
Specially formulated for your iron balance with plant-based curry leaf iron, Lactoferrin CLN®, and natural Vitamin C from rose hips.
30 Capsules
Regular price:
€35.90
Most read entries
3 Posts in this encyclopedia categoryMagnesiumcarbonat
Magnesiumcarbonat ist eine anorganische Magnesiumverbindung mit säure-neutralisierender (antazidischer) Wirkung. Erfahre mehr über Vorteile, Einsatzgebiete und Unterschiede zu besser resorbierbaren Magnesiumformen.
Calorie content
The choice of food influences our energy intake. The calorie content varies greatly - some provide little energy, others a lot.
Cologne list
The Cologne List ® is an important initiative in competitive sports that offers athletes guidance in the selection of nutritional supplements.