What Services Improve Protocol-Specific Pre-Screening and Qualification?

There is a meaningful difference between asking "do you have type 2 diabetes?" and asking whether someone's most recent A1c falls inside the range the protocol requires, whether their current medication triggers an exclusion, and whether they can commit to eight visits over six months.

The first question produces leads. The second produces patients who enroll.

What protocol-specific pre-screening includes

Done properly, pre-screening works through the actual criteria document rather than a condition category:

Confirmed diagnosis, including how and when it was diagnosed Age, sex, and any demographic requirements in the protocol Disease severity or stage where the protocol specifies it Current and recent medications, checked against exclusions and washout periods Comorbidities that disqualify Prior participation in interventional research within the exclusion window Practical commitment: visit count, visit length, travel distance, work schedule Willingness to complete required procedures, stated plainly

Some of these are clinical. Several are simply logistical, and logistics account for a surprising share of screen failures that get recorded as clinical ones.

Why sites cannot always do this themselves

It is not a knowledge gap. Coordinators know the protocol better than any vendor. It is a time gap. Working a referral list properly takes twenty to forty minutes per patient including callbacks, and a coordinator managing four studies does not have that time before the next visit starts.

So pre-screening gets compressed into a two-minute call, or skipped, and the site absorbs the failure at the screening visit instead, which costs far more.

What good outsourced pre-screening looks like

Built from your criteria document. Not from a template for the indication. Ask to see the script before launch and approve it. Staffed by trained people. Patients ask questions mid-screening. Somebody who cannot answer them loses the patient. Documented and transferable. The site receives the completed screening record, not a summary, so the visit starts where the call ended. Revised against real data. If four patients failed on the same criterion, the screening questions should change that week. Clear about its boundaries. Pre-screening informs eligibility; it does not determine it. The investigator does.

The number to watch is screen failure rate at the site. When pre-screening is protocol-specific and honest, that rate falls, coordinator hours per randomization fall with it, and sites become willing to take more referrals because each one is worth their time.

That is precisely the handoff we build for sponsors and sites. To see how it would apply to your protocol, request a proposal or talk with our team .