The reimbursement experience is one of the most overlooked touchpoints in clinical trial management. The moment a participant receives their compensation says everything about how the study will treat them for the months or years that follow.
Clinical research teams invest enormous effort in protocol design, regulatory approvals, and site selection. Then a potential participant completes a screening call and waits a week for their first payment. That gap is jarring for potential participants.
Yet most programs still rely on disconnected, manual processes for payments that introduce delay, confusion, and friction at exactly the moment trust is being formed.
That’s changing. Research teams are recognizing that payment infrastructure isn’t just an administrative function. It’s a key part of a comprehensive recruitment and retention strategy.
"Around 80% of trials fail to meet the initial enrollment target and timeline, and these delays can result in lost revenue of as much as US $8 million per day for drug developing companies."
— Brøgger-Mikkelsen M, et al. Journal of Medical Internet Research (JMIR), 2020
Recruitment delays are the leading cause of clinical trial failures. Around 80% of trials fail to meet initial enrollment targets and timelines, and those delays can cost drug developers as much as $8 million per day in lost revenue. The average cost to recruit a single participant runs to $6,500.
Retention is often harder than recruitment. Participants may withdraw because of travel burdens, scheduling conflicts, a sense that the study demands have become unmanageable, or simply because they feel undervalued. Every dropout makes the final dataset weaker and pushes the study timeline further out.
These aren’t abstract statistics for coordinators managing active studies. They’re daily realities. And research shows that targeted changes to payment processes can meaningfully shift both enrollment and retention outcomes.
of trials fail to meet initial enrollment targets and timelines
average cost to recruit a single participant
Clinical trial participants are volunteers who have their own financial realities. Travel costs, time off work, childcare, and other logistical burdens are genuine barriers to enrollment. When a potential participant considers whether to join a study, the quality and reliability of the compensation process is a direct signal about how well the study organization manages everything else.
There is also a neuroscience dimension. Research shows that the brain registers a promised reward as an active expectation the moment it forms. A delay between forming that expectation and delivery doesn’t register as a deferred gain, it registers as a loss. Losses are processed roughly twice as powerfully as equivalent gains. A one-week wait for a promised screening stipend isn’t neutral. It is, psychologically, a negative experience.
Studies confirm this in practice. Programs that offer five or more payout options and send at least three payment reminders see 13% less study dropout than those with fewer options and less communication. That’s a significant improvement. It can determine whether the trial completes.
Studies confirm this in practice. Programs that offer five or more payout options and send at least three payment reminders see 13% less study dropout than those with fewer options and less communication. That’s a significant improvement. It can determine whether the trial completes.
Many potential participants don't make it past the initial screening step. Offering an immediate stipend after first contact, even just a modest one, signals that your study is professionally run and that promises will be kept. It's one of the most cost-effective recruitment investments a team can make. Participants who experience fast, reliable payment after screening are more likely to enroll, and are more confident about committing to a longer protocol.
Different participants have different financial needs and preferences. Offering only a single payment option signals either inflexibility or indifference on your part. Virtual prepaid cards, merchant gift cards, digital wallets, and ACH transfers each serve distinct populations. Platforms that let participants choose from thousands of options create a positive association with the study experience from the outset. Research confirms that choice increases both perceived value and motivation to complete the trial.
Manual payment processing introduces delays that can erode trust. When a participant completes a study visit and waits three days to hear anything about their reimbursement, that silence is not neutral. Integrating your payment platform with your study management tools so that compensation triggers automatically at visit close eliminates that lag, reduces coordinator workload, and ensures participants receive payment quickly.
Automated reminders for unclaimed rewards, milestone payments at key study points, and follow-up messages after funds are claimed all contribute to a communication rhythm that keeps participants connected to the study. Coordinators managing large panels can't manually track every outstanding payment. Platforms that handle this automatically reduce administrative burden while improving the participant experience.
Participants should know before they enroll what they will receive, when, and in what form. Include reward type, delivery timing, and any restrictions in your screener and confirmation emails. Clarity here is important. Studies that communicate transparently about compensation attract participants who are fully informed and less likely to withdraw because of unmet expectations.
Remote and hybrid trial models are expanding access to populations that previously couldn't participate due to geography or mobility constraints. Payment platforms that work across geographies, currencies, and device types align with this shift. Participants who can engage with a study entirely from home, including receiving and redeeming their compensation digitally are significantly more likely to remain enrolled over long-duration studies.
Recruitment and retention remain operational challenges for research coordinators who are often managing dozens of participants across multiple sites. Centralized dashboards, bulk enrollment tools, automated reporting, and HIPAA-compliant de-identification reduce administrative friction and let coordinators focus on the work that actually requires their expertise.
Not every payment delivery platform meets the operational needs of clinical trials. Many were designed for consumer loyalty programs or simple disbursements, where speed matters more than compliance, participant-level tracking, or multi-site coordination.
When evaluating options for a research program, the questions that matter most are:
Teams that implement payment infrastructure that answers yes to these questions report measurable improvements in both enrollment rates and study completion. The downstream effects compound: satisfied participants generate word-of-mouth referrals that help improve recruitment for future studies.
Clinical research depends entirely on people who volunteer their time and offer a significant personal commitment. The industry talks constantly about building trials that respect participants’ lives, reduce their burden, and treat them as partners rather than subjects.
The payment process is one of the clearest tests of that commitment. It’s one of the most frequent touchpoints a participant has with the study organization. It’s one of the first things a potential enrollee will experience. And it’s one of the areas where the gap between stated values and operational reality is most visible.
Closing that gap doesn’t require a protocol redesign or a new site strategy. It requires choosing payment infrastructure that is flexible enough to meet participant needs, automated enough to reduce coordinator burden, and reliable enough that promises made at enrollment are kept throughout the study.
The bottom line: Payment processes have always been a cost of running clinical trials. Treating them as a participant experience investment converts that cost into something that also improves enrollment, reduces dropout, and reflects the same standard of care you apply to everything else in the study.
"Every clinical trial participant contributes to discoveries that may improve health for generations to come."
— National Institute on Aging, National Institutes of Health
TruCentive helps research teams automate participant payments, offer meaningful choice in payout options, and maintain full compliance. from first screening contact through study completion.
