Participant Retention & Engagement Vendors

Compare programs and technology that keep trial participants engaged through study completion, with reminders, adherence and visit support.

Related workflows

Medrio provides clinical trial software and services for data capture, trial operations, supply management, and biometrics.
Evidence-backed capability match
Matches Participant Retention & Engagement
“With Medrio’s guidance and technology, NeuraLace was able to accelerate enrollment, improve participant retention and enable better . Further, through Medrio’s refinements and…”
Source: medrio.com

Also offers: Electronic Data Capture (EDC), eConsent, +3 more

Althian Clinical Research is a boutique CRO supporting clinical trials, regulatory submissions, safety, data, and real-world studies in Mexico and LATAM.
Evidence-backed capability match
Matches Participant Retention & Engagement
“…We manage patient stipend programs to compensate participants for their time and inconvenience, in full compliance with ethics committee approvals and local regulations.”
Source: althian.com

Also offers: Full-Service Clinical Trial Execution (CRO Services), Marketing Authorization & Lifecycle Submission Support, +3 more

Viedoc provides EDC, ePRO/eCOA, eTMF and RTSM software for clinical trials, plus study build services.

Products: Viedoc Clinic, Viedoc Me +3 more

Evidence-backed capability match
Matches Participant Retention & Engagement
“Enable patients to complete questionnaires on their preferred device – eliminating transcription errors. Send automated reminders to keep patients on track and reduce missed…”
Source: viedoc.com

Also offers: Trial Master File (TMF/eTMF) Management, Electronic Data Capture (EDC), +2 more

Castor provides cloud-native software and services for clinical data capture, eConsent, eCOA, and data management, in trials and real-world evidence studies.

Products: Castor EDC, Castor CDMS +2 more

Evidence-backed capability match
Matches Participant Retention & Engagement
“…for 18 months to several years, so retention depends on consumer-grade design rather than clinical-portal design. Castor Connect keeps patients and caregivers engaged with…”
Source: castoredc.com

Also offers: Electronic Data Capture (EDC), eConsent, +2 more

IQVIA is a CRO and technology provider delivering clinical trials, real-world evidence, commercial intelligence and safety operations.

Products: IQVIA Vigilance Platform, SmartSolve +4 more

Evidence-backed capability match
Matches Participant Retention & Engagement
“By visiting patients off-site, Remote Research Clinicians improve participant retention and reduce the logistical workload of site staff.”
Source: iqvia.com

Also offers: Full-Service Clinical Trial Execution (CRO Services), Real-World Data Platform, +6 more

Veristat is a specialty CRO providing biostatistics, clinical data management, and regulatory strategy and writing services.

Products: InStat, CoAuthor

Evidence-backed capability match
Matches Participant Retention & Engagement
“The same team that helps qualify participants during recruitment also speaks directly with enrolled participants about the protocol and study activities, answers questions…”
Source: veristat.com

Also offers: Biostatistics & Statistical Programming, Full-Service Clinical Trial Execution (CRO Services), +3 more

Salesforce Life Sciences Cloud is software for CRM, field medical enablement, medical information, patient recruitment, and patient services case management.

Products: Agentforce Life Sciences, Life Sciences Cloud for Customer Engagement

Evidence-backed capability match
Matches Participant Retention & Engagement
“Accelerate eligible participant onboarding with AI-enabled auto-matching and personalized portals, for faster recruitment time and reduced attrition.”
Source: salesforce.com

Also offers: Life Sciences CRM, Medical Information Software Platforms, +4 more

Celerion is a CRO and laboratory services provider supporting clinical development, bioanalysis, biometrics, trial operations, and regulatory submissions.

Products: ClinQuick

Evidence-backed capability match
Matches Participant Retention & Engagement
“Our outstanding participant commitment means the volunteers we recruit stay engaged through study completion, minimizing dropout-related delays and protocol deviations.”
Source: celerion.com

Also offers: First-in-Human (Phase I) Clinical Pharmacology Support, Clinical Trial Bioanalytical & Biomarker Testing, +2 more

Blue Matter Consulting is a strategic consulting firm providing launch readiness, portfolio strategy, market access, and medical affairs planning.

Products: Twine, Narralytix +1 more

Evidence-backed capability match
Matches Participant Retention & Engagement
“Digital engagement & retention”
Source: bluematterconsulting.com

Also offers: Product Launch Strategy & Readiness, Market Access Strategy & Launch Planning, +2 more

Altasciences is an early phase CRO and CDMO providing toxicology, IND-enabling studies, clinical pharmacology, bioanalysis, and drug manufacturing.

Products: Acceleration Platform

Evidence-backed capability match
Matches Participant Retention & Engagement
“We prioritize participant engagement through clear communication, regular check-ins, and convenient scheduling. Our facilities are easily accessible and offer comfortable…”
Source: altasciences.com

Also offers: Toxicology Studies, First-in-Human (Phase I) Clinical Pharmacology Support, +2 more

Compare listed vendors

What this covers: Programs, services, or technology that keep enrolled clinical trial participants engaged and active through study completion, including reminders, engagement, adherence, and visit support.

VendorDelivery modelAlso offersIn their words
AltasciencesCRO / Research Services ProviderPatient Recruitment & Pre-Screening, Patient Travel, Reimbursement & Stipends“We prioritize participant engagement through clear communication, regular check-ins, and convenient scheduling. Our facilities are easily accessible and offer…”altasciences.com · reviewed Oct 21, 2026
Althian Clinical ResearchCRO / Research Services ProviderPatient Recruitment & Pre-Screening“…We manage patient stipend programs to compensate participants for their time and inconvenience, in full compliance with ethics committee approvals and local…”althian.com · reviewed Oct 25, 2026
Blue Matter ConsultingConsulting / Advisory FirmPatient Recruitment & Pre-Screening“Digital engagement & retention”bluematterconsulting.com · reviewed Oct 22, 2026
CastorSoftware / Technology PlatformPatient Recruitment & Pre-Screening, Decentralized & Hybrid Clinical Trials“…for 18 months to several years, so retention depends on consumer-grade design rather than clinical-portal design. Castor Connect keeps patients and caregivers…”castoredc.com · reviewed Oct 24, 2026
CelerionCRO / Research Services ProviderPatient Recruitment & Pre-Screening“…Exceptional Participant Retention Throughout Studies Enrollment is just the beginning. Our outstanding participant commitment means the volunteers we recruit…”celerion.com · reviewed Oct 22, 2026
IQVIACRO / Research Services ProviderPatient Recruitment & Pre-Screening, Patient Travel, Reimbursement & Stipends, Decentralized & Hybrid Clinical Trials, Mobile Research & Home Health Visits“By visiting patients off-site, Remote Research Clinicians improve participant retention and reduce the logistical workload of site staff.”iqvia.com · reviewed Oct 19, 2026
MedrioSoftware / Technology PlatformDecentralized & Hybrid Clinical Trials“With Medrio’s guidance and technology, NeuraLace was able to accelerate enrollment, improve participant retention and enable better . Further, through Medrio’s…”medrio.com · reviewed Oct 25, 2026
Salesforce Life Sciences CloudSoftware / Technology PlatformPatient Recruitment & Pre-Screening“Accelerate eligible participant onboarding with AI-enabled auto-matching and personalized portals, for faster recruitment time and reduced attrition.”salesforce.com · reviewed Oct 18, 2026
VeristatCRO / Research Services ProviderPatient Recruitment & Pre-Screening, Decentralized & Hybrid Clinical Trials, Mobile Research & Home Health Visits“The same team that helps qualify participants during recruitment also speaks directly with enrolled participants about the protocol and study activities…”veristat.com · reviewed Oct 21, 2026
ViedocSoftware / Technology PlatformDecentralized & Hybrid Clinical Trials“Digitally capture patient reported outcomes directly from trial participants who can access studies via their own personal devices. Boost retention and enable…”viedoc.com · reviewed Oct 25, 2026