Frequently Asked Questions
How is payment facilitated, and is there a satisfaction guarantee?
An invoice will be sent to the coordinating centre at the time of trial activation, and is due within 30 days of issue. However, we provide a 90-day, money back guarantee. If we receive an e-mail message from the coordinating centre within 90 days of the trial’s activation requesting its deactivation, a full refund will be given within 30 days of receiving the request.
Can RANDOMIZE.NET accommodate blinded randomization?
Yes. The coordinating centre will need to e-mail to info@randomize.net the “kit” numbers associated with each treatment arm for each clinical site. This is best facilitated by password-protected Excel files (although other formats are acceptable), and sending the passwords in a separate e-mail message.(The “kit” numbers are the identification numbers or codes associated with a particular treatment for a randomized patient.)
We have randomized a patient, but did not receive e-mail confirmation.
Occasionally, when internet traffic is congested, it can take several hours, and sometimes until the next day, to receive the confirmations. If after 48 hours you have not received them, please contact us at info@randomized.net. A Clinical Site has the option to resend the e-mail notification when attempting to randomize a patient with the same patient ID.
Can someone at Randomize.net create the randomization application for us?
Yes. For no additional cost we can create the randomization application to meet your specifications.
Is there any cost for registering as a coordinating centre?
No. There is no cost for registering as a coordinating centre or for defining a clinical trial. Costs are incurred only when a clinical trial is activated.
What sort of back-up system do you have?
Our website is hosted by a very secure and reliable server and the database is backed-up continuously.
How is security facilitated?
Our secure socket layer (SSL) software is the industry standard and among the best software available today for secure commerce transactions. It encrypts all information and patient data, so that it cannot be read as the information travels over the internet.
Does Randomize.net provide accrual reports?
Yes. We currently provide three types of accrual reports: monthly by clinical site; by stratification variables; and, a treatment allocation list.
We have randomize a patient using the wrong patient ID number?
Have the coordinating centre contact us info@randomize.net and we will change ID number.
How are patient ID numbers assigned?
When randomizing a patient the Clinical Site must provide a patient ID number. No two patients in the trial can have the same ID number. The best way to assign patient ID numbers is for each Clinical Site to maintain a registration log into which information about each patient is entered for clinical site use only. The information entered can vary depending on the trial. Typically, the information includes patient's name, date of randomization and the stratification variables. A pre-filled field in the registration log assigns the ID.
Can the e-mail confirmation be sent to more than one recipient?
Yes. You can configure multiple e-mail addresses for each clinical site, so that whenever a particular clinical site randomizes a patient, a confirmation is sent to each address. In addition, you can configure multiple e-mail addresses to receive a confirmation for every randomization, regardless of clinical site.
How does blocked randomization work?
A block is simply a combination of treatments where each treatment appears the same number of times. An example of a block with 2 treatments and a blocking factor of 3 (i.e. block size of 6) is (A,A,B,A,B,B).
The blocks are created "on-demand". When the first subject is randomized the entire block is generated for the stratum he or she belongs to. The block is stored in our database and the subject is assigned to the treatment in the first position. When the next subject in that stratum is to be randomized, he or she is assigned the treatment in the second position, and so on. If all treatments in the block have been assigned when a new subject is to be randomized, a new block is generated in the same way.
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