Gastrointestinal CRO Services for
Complex Clinical Trials

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Background - Sitero Techology
Gastrointestinal2026-06-08T17:08:16+00:00
  • 66+ gastrointestinal studies supported

  • 67 countries served

  • 12,000 participants across 1,200 sites

Gastrointestinal CRO Services for Complex Clinical Trials

Advance gastrointestinal clinical trials with an integrated CRO and eClinical technology partner built for endpoint sensitivity, operational clarity, and efficient execution across complex GI programs.

Sitero supports sponsors across inflammatory bowel disease, irritable bowel syndrome, NASH/MASH, GERD, celiac disease, hepatology programs, and rare GI disorders with full-service clinical trial delivery and integrated technology.

Gastrointestinal studies require close coordination across symptom-based endpoints, biomarkers, endoscopy, imaging, procedure-based visits, and patient retention. Sitero helps reduce fragmentation across sites, vendors, and study workflows.

Learn More About Sitero’s gastrointestinal Experience

Connect with a Sitero GI trial expert or submit an RFP.

Mentor Electronic Data Capture for Clinical Trials - Sitero

Built for Gastrointestinal Trial Complexity

Gastrointestinal trials require consistent endpoint execution, specialized site workflows, thoughtful patient support, and clear coordination across operational and data functions. Sitero helps sponsors manage that complexity with coordinated services and connected technology.

Common gastrointestinal trial challenges include:

  • Comprehensive endpoint collection spanning patient-reported outcomes (PROs), symptom diaries, stool frequency and consistency, endoscopic scoring, histologic assessment, biomarkers, imaging, and quality-of-life measures.
  • Elevated placebo response rates and endpoint sensitivity challenges, requiring rigorous protocol design, standardized rater training, and integrated data oversight.
  • Procedure-intensive visit schedules, including screening burden, dietary restrictions, and coordination of endoscopy and colonoscopy, contributing to patient retention risk.
  • Global variability in standards of care, diagnostic pathways, and site capabilities, impacting study feasibility, enrollment projections, and data consistency.

Connected Technology for Gastrointestinal Trial Execution

Mentor eClinical Technology connects the systems and workflows needed to manage gastrointestinal studies with more visibility and less friction.

Clinical Trial Technology that Supports Execution

Sitero’s delivery model is supported by a broad eClinical ecosystem, including:

Mentor EDC

Mentor EDC supports complex GI protocols, including symptom diaries, ePROs, biomarkers, endoscopic and histologic assessments, safety data, and composite and longitudinal endpoints.

Integration advantage

EDC updates stay aligned with operations and data management, maintaining consistency across protocol changes, visit schedules, and endpoint workflow

Mentor RTSM

Mentor RTSM supports randomization, treatment allocation, supply management, stratification, dosing, and retreatment workflows in complex GI studies.

Integration advantage

RTSM and EDC integration reduces handoff risk across eligibility, treatment assignment, stratification (e.g., prior biologic exposure, disease severity), and visit workflows.

Mentor Site and Participant Payments

Mentor Payments supports automated site and participant payments, including travel reimbursement, procedure-related fees, and stipends.

Integration advantage

Connected payment workflows can reduce site burden and improve sponsor visibility into payment status.

 

Mentor eConsent

Mentor eConsent supports consent workflows, including re-consent, optional procedures, biopsy-related consent, and long-term follow-up.

Integration advantage

Real-time consent tracking enables faster response to version updates, procedural requirements, and re-consent needs.

Mentor CTMS and eTMF

Mentor CTMS and eTMF provide visibility across startup, site activation, monitoring, documentation, and closeout.

Integration advantage

Connected workflows allow sponsors to track site readiness, training, activation timelines, and inspection readiness in one system.

Mentor Insights and Reporting

Mentor Insights and Reporting consolidates operational, endpoint, biomarker, endoscopic, imaging, and safety data into a single reporting environment.

Integration advantage

Centralized reporting helps teams identify PRO compliance gaps, enrollment trends, procedure risks, visit deviations, and site performance earlier to support faster decisions.

Gastrointestinal CRO Services

Sitero supports complex gastrointestinal studies across IBD, IBS, hepatology, NASH/MASH, GERD, celiac disease, and rare GI conditions with integrated clinical operations, biometrics, safety, ethics, and medical writing support.

Clinical Operations for GI Studies

Sitero supports complex GI studies across IBD, IBS, hepatology, NASH/MASH, GERD, celiac disease, and rare conditions with integrated clinical operations, biometrics, safety, ethics, and medical writing.

Biometrics for Endpoint Quality

Biometrics and data management support database design, edit checks, centralized review, programming, and analysis-ready datasets. The team supports symptom-based endpoints, eDiary compliance, biomarker integration, and endoscopic and histologic reads, with early identification of data anomalies.

Medical Monitoring and Scientific Oversight

Sitero provides medical oversight for safety review, eligibility, protocol interpretation, and issue escalation. Cross-functional reviews align teams on enrollment quality, protocol deviations, endpoint interpretability, and patient safety.

Drug Safety and Pharmacovigilance Support

Sitero supports safety operations across GI therapies, biologics, devices, and advanced modalities, including monitoring hepatic events, GI tolerability, infection risk, and long-term safety.

IRB, Ethics, and Governance Support

Sitero supports ethics and governance workflows, including IRB and IEC submissions, consent updates, amendments, and country-specific requirements for GI studies.

Dedicated ethics specialists help sponsors navigate complex biopsy procedures, long-term follow-up, and safety-driven amendments so approvals, consent versions, and site communications stay aligned.

Medical Writing for Gastrointestinal Programs

The medical writing team supports protocols, informed consent, study reports, regulatory documents, and trial communications.

Sitero Key Metrics

SPEED

40%

DECREASE
in Study Start Up Timelines

COST

54%

DECREASE
in Administrative Costs for the Site

TIME

60%

DECREASE
in Data Management Closeout Timelines

QUALITY

20%

INCREASE
in Protocol Compliance

DATA

100%

GUARANTEE
Transparent Real-Time Reportability

Integrated Workflows for Lower Site Burden and Clearer Oversight

Gastrointestinal trials require coordination across operations, endpoints, biomarkers, endoscopy, safety, and site support. Sitero helps create a more connected model that lowers site burden and improves sponsor visibility.

  • Reduce gaps across operations, biometrics, safety, and technology.
  • Improve visibility into enrollment, endpoint completion, endoscopy status, biomarker review, diary compliance, and follow-up.
  • Support sites with more consistent workflows across visits, procedures, training, diaries, and documentation.
  • Give sponsors a clearer view from startup through closeout.

Global Support for Gastrointestinal Programs

Sitero supports global clinical trial services and technology-enabled execution across study models. For GI programs, teams help coordinate the operational, regulatory, data, and site details that shape trial performance.

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Why Sponsors Choose Sitero for Gastrointestinal Trials

Sponsors typically select Sitero when they need:

Integrated CRO services and technology in one model

Clear ownership across startup, conduct, data, safety, and closeout

Broad functional support for endpoint-sensitive, operationally complex GI studies.

Global execution without added complexity

Cross-functional oversight that helps teams act earlier on enrollment, quality, and endpoint risks.

FAQs

Can Sitero support long-duration gastrointestinal programs with complex retention needs?2026-06-07T19:44:00+00:00

Yes. Sitero helps sponsors manage recurring assessments, diary completion, follow-up procedures, patient engagement, and retention workflows throughout the study.

Can Sitero support safety operations for GI therapies and advanced modalities?2026-06-07T19:43:45+00:00

Yes. Sitero supports pharmacovigilance and safety operations for gastrointestinal studies, including programs with complex hepatic, immunologic, and long-term safety monitoring.

How does Sitero help manage endpoint quality in gastrointestinal studies?2026-06-07T19:43:24+00:00

Sitero supports endpoint quality through database design, data review workflows, monitoring, biometrics support, and coordinated oversight for repeated symptom, biomarker, and procedural assessments.

Can Sitero support eConsent and endpoint-intensive data collection workflows for GI studies?2026-06-07T19:43:06+00:00

Yes. Mentor eClinical Technology supports eConsent, data capture, and reporting for gastrointestinal studies in one connected environment.

What should sponsors look for in a gastrointestinal CRO partner?2026-06-07T19:42:48+00:00

Sponsors should look for a partner with experience in endpoint sensitivity, patient-reported outcomes, endoscopic workflows, recruitment complexity, and GI safety monitoring.

Can Sitero support gastrointestinal clinical trials across multiple GI indications?2026-06-07T19:42:19+00:00

Yes. Sitero supports sponsors across IBD, IBS, NASH/MASH, GERD, celiac disease, hepatology programs, and rare GI disorders.

Talk to a Trial Expert

Advance gastrointestinal studies with an integrated CRO and technology partner. Sitero supports sponsors across operations, endpoints, data, safety, and closeout.

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