Phase 1, 2, 3 to 4 Clinical Trials

End-to-End Clinical Development: Precision-Oriented Clinical Trial Execution from Phase 1 to 4

As a CRO for early and late phase clinical trials, we offer a harmonized framework for clinical development—spanning Phase 1 clinical trial services in India to end-to-end Phase 4 post-marketing surveillance. Our scientifically rigorous, compliance-driven methodologies empower sponsors to move seamlessly from bench to bedside with precision and agility.

Harnessing robust SOPs, ICH-GCP adherence, and a staunch commitment to patient welfare, we deliver tailored, cross-continental trial solutions—from the USA and Europe to India, Australia, and Africa. Through strategic collaboration across therapeutic areas and operational domains, we deliver multinational clinical trial solutions that elevate data integrity, trial agility, and regulatory submission readiness.


Phase 1 Trials : Safety Profiling & Early Human Exposure

Our capabilities in Phase I trials reflect our expertise in first-in-human transitions. These foundational studies assess safety, PK/PD metrics, and initial dosing insights.

We specialize in:

Our adaptive study designs and real-time data capture enable a swift, compliant transition to Phase 2 trials with scientific confidence.


Phase 3 Trials : Pivotal Programs for Market Approval

We orchestrate Phase 3 clinical trial support for pharma companies with meticulous oversight and cross-regional execution. These large-scale pivotal trials are the cornerstone for NDA/BLA submissions.

Our competencies include:

  • Multinational RCTs with rigorous blinding and randomization protocols
  • Real-time analytics and biostatistics services for clinical trials
  • Trial logistics, global site activation, and regulatory deliverables like CSRs and SAPs
  • Expertise across oncology, neurology, cardiology, immunology, and infectious diseases

Our strategic alignment of therapeutic knowledge, regulatory expectations, and operational scalability ensures accelerated market readiness.

Phase 3 Trials

Phase 4 Trials

Phase 4 Trials : Real-World Insights & Post-Marketing Vigilance

Post-approval trials extend our full-service offerings into real-world evidence studies and patient-centered surveillance.

Phase 4 initiatives include:

We assist sponsors in navigating post-approval requirements set by FDA, EMA, CDSCO, and other global regulators, reinforcing long-term therapy value and safety surveillance.


Feasibility Services: Strategic Foundations for Trial Success

At the heart of our planning lies a sophisticated, data-centric clinical trial feasibility model. This approach informs everything from site selection to geographic optimization, reducing uncertainties and streamlining operations.

Our feasibility portfolio includes:

  • Protocol and operational feasibility reviews
  • Investigator engagement and site profile analysis
  • Competitive landscape benchmarking
  • Real-world data analysis and predictive enrollment modeling
  • Disease burden mapping for geographic prioritization

Our methodology integrates epidemiological insights and real-time patient pool assessments, ensuring reliable projections and optimized timelines.

Partner With a Global CRO Built for Performance

With presence in India, the USA, Europe, and Asia, we are recognized as a global CRO with site networks in US, Asia and Europe offering the scientific depth and regional insight essential for successful clinical execution. Whether initiating a personalized medicine clinical trial or conducting biosimilar clinical trials for regulatory submissions, our scalable solutions adapt to your development needs.

Connect with us to transform feasibility into strategy and strategy into successful outcomes—driving clinical milestones forward with purpose and precision.

About Us

ProRelix Research is the best clinical research organization (CRO) with global service capability supporting Phase 1, 2, 3, & 4 clinical trials for Pharma, Biotech, Biopharma, Medical device, Nutraceutical & Herbal companies in US, India, Australia, & Europe.

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