Epistemis

Clinical Research: The Randomized Clinical Trial — The Methodological Gold Standard

Research Methodology · Clinical Bases

How it begins

Un análisis exhaustivo y pormenorizado de los fundamentos epistemológicos, bioéticos, matemáticos y operacionales del diseño experimental en seres humanos. El estándar metodológico supremo para el establecimiento de nexos de causalidad terapéutica.

What it covers

  1. The Randomized Clinical Trial
  2. Epistemology and Historical Evolution of the Clinical Trial
  3. · The Bradford Hill Causality Criteria and Experimental Design
  4. · Historical Evolution: From Observational Empiricism to MRC
  5. Bioethical Principles and International Regulatory Framework
  6. · The Historical Evolution of the Codes of Medical Ethics
  7. · The Thirteen Principles of Good Clinical Practice (ICH-GCP)
  8. · Informed Consent: Foundation and Dynamic Process
  9. Formulation of the Scientific Hypothesis and Architecture of the Protocol
  10. · The PICOT Structure in the Formulation of the Research Question
  11. · Primary, Secondary and Exploratory Assessment Variables
  12. · Surrogate Variables (Surrogate Endpoints) versus Hard Clinical Outcomes
  13. Clinical Trial Designs according to their Methodological Architecture
  14. · 1. Design in Parallel Groups
  15. · 2. Crossover Design
  16. · 3. Factorial Design (Example: 2x2 Design)
  17. · 4. Design by Conglomerates (Cluster Randomized Trials)
  18. · 5. Adaptive Designs and Platform Testing
  19. The Art and Science of Randomization
  20. · Methodological Randomization Techniques
  21. · Concealment of the Allocation Concealment
  22. Blinding and Bias Control
  23. · Classification of Masking Levels
  24. · Sham Procedures in Surgical Trials
  25. · Critical Bias Analysis according to the Cochrane Manual
  26. Pharmacokinetics, Pharmacodynamics and Phases of Clinical Development
  27. · The Phases of Clinical Research in Humans
  28. · Dose Escalation Methodology in Phase I Trials: The 3+3 Design
  29. Mathematical Determination of Sample Size
  30. · Fundamental Statistical Parameters
  31. Statistical Analysis Strategies: ITT versus PP
  32. · The Comparison of Analysis Strategies
  33. · Statistical Treatment of Missing Data (Missing Data)
  34. Tests of Superiority, Equivalence and Non-Inferiority
  35. · 1. Superiority Tests
  36. · 2. Non-Inferiority Tests
  37. Survival Analysis and Time to Event Models
  38. · The Cardinal Concept of Censorship (Censoring)
  39. · Curve Comparison: The Log-Rank Test
  40. · The Cox Proportional Hazards Model (Cox Regression)
  41. Data Monitoring, Security and Committees (DSMB)
  42. · The Independent Data and Safety Monitoring Board (DSMB)
  43. · Preventing Type I Error Inflation: The Alpha Spending Rules
  44. · Mandatory Notification of Adverse Events in Clinical Trials
  45. Subgroup Analysis and Heterogeneity of Effect
  46. · Pre-specification vs. Post-Hoc Analysis
  47. · The Danger of the Multiplicity of Hypothesis Tests
  48. Publication, Transparency and Impact on Clinical Practice Guidelines
  49. · The CONSORT Statement (Consolidated Standards of Reporting Trials)
  50. · Translation into Clinical Practice: The GRADE System

The complete study guide is in the app

This page summarizes the outline. The full interactive study guide —with high-yield diagrams, clinical tables, and board review cases— can be read inside Epistemis, completely offline and ad-free.

Subject
Research Methodology
Category
Clinical Bases
Type
Study Guide
Sections
50
Reviewed
2026-08-02
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