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Related Concept Videos

Clinical Trials01:16

Clinical Trials

6.6K
Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...
6.6K
Clinical Trials: Overview01:11

Clinical Trials: Overview

2.6K
Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
2.6K
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

110
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
110
Preclinical Development: Overview01:28

Preclinical Development: Overview

4.2K
Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...
4.2K
Drug Biotransformation: Overview01:16

Drug Biotransformation: Overview

2.3K
Pharmaceutical substances known as xenobiotics are predominantly lipophilic and nonionized. This enables them to permeate lipid bilayers, such as cell membranes, and interact with intracellular target receptors. Lipophilic drugs have an advantage in crossing biological barriers and reaching their intended sites of action. However, lipophilic drugs often have a restricted capacity for renal expulsion or elimination from the body. When these drugs enter the kidneys and undergo glomerular...
2.3K
Blinding01:11

Blinding

2.3K
Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
2.3K

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System-Level Transformations to Increase Patient Participation in Clinical Trials.

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Cancer clinical trial modifications were viewed favorably by breast cancer survivors. However, participants from socially vulnerable areas showed less willingness to engage with modified trial protocols, indicating a need for further research.

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Area of Science:

  • Oncology
  • Public Health
  • Health Services Research

Background:

  • The COVID-19 pandemic prompted the Food and Drug Administration (FDA) to permit modifications to cancer clinical trials.
  • Policymakers are evaluating the continuation of these trial modifications.
  • Understanding patient perspectives on the impact of these changes is crucial for future policy decisions.

Purpose of the Study:

  • To assess breast cancer survivors' perspectives on modifications made to cancer clinical trials during the COVID-19 pandemic.
  • To investigate the association between county-level social vulnerability and willingness to participate in modified clinical trials.

Main Methods:

  • A cross-sectional study surveyed 573 female breast cancer survivors.
  • Data collected on willingness to participate based on trial modifications (location, telemedicine, convenience, opting out of procedures).
  • County-level social vulnerability was assessed using the Social Vulnerability Index (SVI); multinomial logistic regression analyzed associations.

Main Results:

  • Over half of participants (53%) were very willing to join trials with home medication delivery.
  • Respondents in the most vulnerable counties (top 10% SVI) did not show increased willingness to participate in telemedicine trials (OR, 0.21 [95% CI, 0.07 to 0.63]).
  • Similar non-significant trends were observed for other trial modifications in vulnerable populations.

Conclusions:

  • Breast cancer survivors generally responded favorably to cancer clinical trial modifications.
  • Individuals residing in highly socially vulnerable counties were less influenced by these modifications.
  • Further research is necessary to identify modifications that could enhance trial participation among vulnerable patient populations.