Kit Production

End-to-end support for specimen collection for clinical trials.

Simplify and Streamline the Pharmacokinetic (PK) Collection Process With Customized Specimen Collection Kits

BioAgilytix San Diego, formerly MicroConstants, provides end-to-end support for specimen collection, including training materials, the specimen collection kits themselves, logistics, and shipment tracking to destinations across the globe. We assemble and distribute protocol-specific kits for all types of clinical trials, including single-site, multi-site, and Phase I-IV. Based on your study protocol we can: 

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Develop and support custom stabilization for sample collection to ensure accurate and reproducible PK results. 

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Modify specimen collection tubes prior to shipping – for example, we can add stabilizing solutions or inhibitors-stabilization for samples upon collection. 

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Assemble individual kits for each study participant or provide collection supplies to clinical sites as bulk inventory.

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Ship kits worldwide, and the specimens collected may be returned to BioAgilytix San Diego for bioanalytical and/or PK analysis. 

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Provide a detailed sampling, handling, and shipping manual with your specimen collection kit. 

Combined with our expertise in method development, other modifiers for urine and CSF collection can be provided to ensure compound solubility for small molecules.

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Comprehensive training and coordinator support

We can develop training materials to educate clinical site personnel on proper collection, labeling, and shipping methods. Our project coordinators and kit coordinators are available to help assess your specific PK sampling needs to ensure the specimen collection kit contents satisfy study requirements. Our kit coordinators are available to communicate with clinical site personnel and answer any collection and shipping questions during the study.

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Global shipping of specimen collection kits to 45+ destinations across the globe

We are experienced with worldwide shipping rules and regulations and work directly with domestic and international couriers to obtain the required permits to ensure on-time, smooth delivery. We help coordinate outbound sample shipments from the clinical sites back to BioAgilytix San Diego or the testing laboratory of your choice for bioanalytical and/or PK/PD analysis.

Please complete the kits assessment questionnaire below based on the protocol for your study.

Kit Assessment Questionnaire

Please fill in all required fields below.

Contact Information


Study Design

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Where will the kits be sent?*
Where will the kits be shipped?
Will samples be analyzed at BioAgilytix?*
Max. file size: 50 MB.
If no protocol/synopsis is available, please describe the study (phase, number of dosing cohorts, cycles, arms, etc.):

Kit Requirements

Sampling & handling instruction manual?
Sample inventory/requisition form?

Specimen Collection Information

Are light sensitive materials required?
Which specimen(s) will be collected for analysis?*

Will specimen(s) require stabilizing additives or inhibitors?*
Kits typically include supplies for 2 specimen collections (1 original + 1 backup) per time point. Is this acceptable?*

Specialty Collection Items

Blood Collection Items
Please specify collection tube:
For domestic shipments, are return shipping supplies (Styrofoam boxes/dry ice labels) needed?*

Case study: customizing specimen collection kits

Learn how customizing specimen collection kits for specific clinical trial sampling requirements streamlined our client’s Phase I study and helped ensure that all specimens collected were stabilized, properly labeled, and provided accurate pharmacokinetic data.