What is a double dummy trial?
A technique for retaining the blinding of a clinical trial, where the two treatments cannot be made identical.
What is a crossover clinical trial?
Listen to pronunciation. (KROS-oh-ver STUH-dee) A type of clinical trial in which all participants receive the same two or more treatments, but the order in which they receive them depends on the group to which they are randomly assigned.
What is a parallel group study?
A parallel group design is an experimental study design in which each subject is randomized to one of two or more distinct treatment/intervention groups. Those who are assigned to the same treatment are referred to as a treatment group.
What is a multi center study?
(MUL-tee-SEN-ter STUH-dee) A clinical trial that is carried out at more than one medical institution.
What is two pair Group design?
two-pair group design. This design is an elaboration of the two group design wherein there are two experimental groups and two control groups. Only $2.99/month. parallel-group design. Design in which two or more groups are used at the same time with only one single variable manipulated or changed.
What does parallel group mean?
A parallel design, also called a parallel group study, compares two or more treatments. Participants are randomly assigned to either group, treatments are administered, and then the results are compared. One treatment group, and one Treatment-as-Usual group. Two active treatment groups.
What is a cluster randomized design?
A cluster randomised controlled trial is a type of randomised controlled trial in which groups of subjects (as opposed to individual subjects) are randomised. Cluster randomised controlled trials are also known as cluster randomised trials, group-randomised trials, and place-randomized trials.
What is a single arm study design?
The simplest trial design is a single-arm trial. In this design, a sample of individuals with the targeted medical condition is given the experimental therapy and then followed over time to observe their response.
What is a comparator arm?
Glossary: Sham Comparator Arm A group of participants that receives a procedure or device that is made to be indistinguishable from the actual procedure or device being studied but does not contain active processes or components.
What is a washout phase?
The phase of a clinical trial after stopping the test medication when its effects are wearing off. It is comparable to “drying out” after acute or chronic alcohol intoxication, but the washout phase varies in duration, according to the metabolic half-life of the medication.
What is a washout effect?
The washout effect is a phenomenon in which the resistance to aqueous outflow diminishes with the volume of perfusate flowing through the outflow pathways, even if the perfusate is aqueous humor itself.
What does a washout mean?
1a : the washing out or away of something and especially of earth in a roadbed by a freshet. b : a place where earth is washed away. 2 : one that fails to measure up : failure: such as. a : one who fails in a course of training or study. b : an unsuccessful enterprise or undertaking.
What is a lead in period?
10. ＋ New List. Lead In Period means the period between Contract Award Date and Contract Start Date.
What does lead time mean in construction?
In construction and development, lead times refer to the time that a client must wait between when a project or job is initiated and when a contractor can actually start or deliver a project.
What is long lead time?
Lead time is the time it takes between the initiation and completion of a production process for a product or products. Lead times can be particularly long if you are sourcing materials or products that are a long distance away.
What is long lead?
Definition. Those components of a system or piece of equipment for which the times to design and fabricate are the longest, and therefore, to which an early commitment of funds may be desirable in order to meet the earliest possible date of system completion.
What does lead time mean in project management?
Lead time is the amount of time that passes from the start of a process until its conclusion. Companies review lead time in manufacturing, supply chain management, and project management during pre-processing, processing, and post-processing stages.
What is long lead procurement?
Definition. Equipment, services and/or materials that must be procured well in advance of the need because of long delivery times.
What does long lead items mean in construction?
Certain building materials or products that have to be ordered, imported, and/or manufactured specifically for a building can take longer than the natural progression of a construction schedule. These are considered Long Lead Items (LLIs).