Safety Tolerability
Safety Tolerability - Related Videos
08:22
Remotely Supervised Transcranial Direct Current Stimulation: An Update on Safety and Tolerability
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Cited by 52 •
2017
This manuscript provides an updated remote supervision protocol that enables participation in transcranial direct current stimulation (tDCS) clinical trials while receiving treatment sessions from home. The protocol has been successfully piloted in both patients with multiple sclerosis and Parkinson's disease.
09:36
Electrical Safety Precautions and Basic Equipment
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2023
Source: Ali Bazzi, Department of Electrical Engineering, University of Connecticut, Storrs, CT. Electric machines and power electronics experiments involve electrical currents, voltages, power, and energy quantities that should be handled with extreme diligence and care. These may include three-phase AC voltage (208 V, 230 V, or 480 V), up to 250 V DC voltages, and currents that can reach 10 A. Electrocution occurs when an electrical path is established through the body with very low currents...
04:53
Electrical Safety
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2023
Robert M. Rioux & Suprita Jharimune, Pennsylvania State University, University Park, PA Among the many hazards present in the laboratory, electrical hazards are one of the most common we must be cognizant of since most of the laboratory equipment we use requires electricity for operation. Improper handling or operation of electrical devices might lead to electric shock with the potential risk of injury or even death. Electric sparks can lead to fire or explosion (since many flammable...
01:17
Salinity Tolerance of Alishewanella Species Isolated from Seawall Muddy Water
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2025
Begin with a culture of Alishewanella, a Gram-negative, salt-tolerant bacterium.Next, streak the culture onto agar plates containing increasing concentrations of sodium chloride to simulate varying levels of saline stress.Overlay each plate with a layer of unsolidified medium to prevent oxygen diffusion and maintain the culture in an oxygen-limited environment.Seal and incubate the plates at an optimum temperature to support bacterial growth.During incubation, the bacterium exhibits varying...
01:28
Survey Safety
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2025
Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use of warning signs and flagmen. It is safest to avoid working directly on roads and use offsets whenever possible. When highway work is unavoidable, it must follow all safety guidelines. Surveyors should wear bright clothing, such as orange reflective vests, to ensure visibility to motorists, coworkers, and hunters. In construction zones, wearing...
FAQs
Investigators consider an adverse event alongside its severity, duration, and relationship to the intervention. This context helps distinguish an expected, manageable reaction from a finding that may indicate unacceptable risk. A pattern of worsening severity, prolonged duration, or a stronger suspected relationship can prompt closer review and influence ongoing risk-benefit judgments.
Attributing a finding to the intervention helps investigators decide whether it represents a treatment-related safety signal or may have another explanation. This judgment is considered with neurological examinations, vital signs, laboratory measures, and exposure information rather than in isolation. The resulting assessment can support decisions about continued treatment, dose changes, or further investigation.
Dose and treatment exposure provide essential context for interpreting harmful effects. Investigators track changes in exposure while reviewing adverse events and clinical measurements, allowing them to examine whether findings emerge or change alongside treatment adjustments. This information can clarify whether a reaction is manageable at a given exposure or warrants dose reduction, interruption, or additional evaluation.
Monitoring commonly combines several types of evidence: reported adverse events, neurological examinations, vital signs, laboratory measures, and treatment exposure. Each captures a different aspect of participant safety, while their combined interpretation provides a more complete picture. Reviewing these findings over a defined period helps investigators identify changes that may require action or continued observation.
The response depends on the finding’s severity, duration, and suspected relationship to the intervention. Investigators may continue observation when a reaction is expected and manageable, or they may reduce the dose, interrupt treatment, or conduct further investigation when risk appears more concerning. These actions help protect participants while preserving useful information about the intervention.
Safety tolerability data inform how trials are structured and how participants are protected during treatment. Findings can guide monitoring plans, dose decisions, and criteria for continued exposure or interruption. They also contribute to risk-benefit judgments, helping determine whether development of a medicine for a neurological or psychiatric disorder should proceed and under what safeguards.