Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
Clinical Trials01:16

Clinical Trials

Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...
Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs01:15

Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs

Bioequivalence experimental study designs play a pivotal role in testing the effectiveness of various treatments. Key among these are the repeated measures, cross-over, carry-over, and Latin square designs. In the repeated measures design, each subject receives all treatments, allowing for temporal comparisons. This type of design is useful in reducing variability but requires careful planning to avoid bias.The cross-over design, an economical method, involves sequential administration of...
Study Designs in Epidemiology01:20

Study Designs in Epidemiology

Epidemiological study designs are fundamental tools for investigating the distribution, determinants, and control of health conditions in populations. They help researchers understand the relationships between exposures and outcomes, and they broadly fall into two categories: "observational" and "experimental" studies.
Observational studies are those where the researcher does not intervene but rather observes natural variations. They include cross-sectional, cohort, and case-control studies.
Hazard Ratio01:12

Hazard Ratio

The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
For example, in a clinical trial evaluating a...
Dosage Regimens: Designs and Approaches01:28

Dosage Regimens: Designs and Approaches

Designing a dosage regimen, which refers to the manner of drug administration, is a complex process involving the selection of drug dose, route, and frequency. This process is underpinned by pharmacokinetic parameters derived from tests and population averages. These parameters are then tailored to patient-specific variables such as diagnosis, demographics, and allergy status. Once therapy commences, therapeutic response monitoring is critical and achieved through clinical and physical...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Fluoroquinolones for TB preventive treatment of contacts exposed to persons with multidrug-resistant TB: a systematic review and meta-analysis.

IJTLD open·2026
Same author

The impact of rifampin drug interactions on tuberculosis preventive treatment completion and safety.

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease·2026
Same author

Global status of policies and practices for systematic TB screening in high-burden countries.

IJTLD open·2025
Same author

Beyond the Needle: Innovative Approaches for Reducing Blood Culture Contamination Rates in the Emergency Department.

Irish medical journal·2025
Same author

Standards for clinical trials for treating TB.

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease·2023
Same author

Occurrence and predictors of adverse events associated with Linezolid in the treatment of patients with MDR-TB.

Pulmonology·2023
Same journal

Rifamycin-based regimens for preventive treatment in low TB incidence countries.

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease·2026
Same journal

The Kochi Declaration 2024 - A catalyst for global TB elimination through private sector engagement.

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease·2026
Same journal

Preventing lung function decline and pleural thickening after pleural TB: a systematic review.

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease·2026
Same journal

Aircraft contact investigations for TB on domestic and inbound flights to the United States.

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease·2026
Same journal

Treatment outcome of extracorporeal membrane oxygenation in critically ill patients with pulmonary TB.

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease·2026
Same journal

Factors associated with sputum culture positivity of <i>Mycobacterium tuberculosis</i>.

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease·2026
See all related articles

Related Experiment Videos

Systematic reviews and meta-analyses.

D Menzies1

  • 1Respiratory Epidemiology Unit, Montreal Chest Institute, McGill University, Montreal, Quebec, Canada. Dick.Menzies@McGill.ca

The International Journal of Tuberculosis and Lung Disease : the Official Journal of the International Union Against Tuberculosis and Lung Disease
|July 16, 2011
PubMed
Summary
This summary is machine-generated.

Systematic reviews synthesize research findings for evidence-based practice. Rigorous methods, including PICO questions and independent review, ensure reliable summaries for clinicians and policymakers.

Related Experiment Videos

Area of Science:

  • Medical Research Methodology
  • Evidence Synthesis

Background:

  • Systematic reviews are crucial for summarizing medical literature.
  • They inform clinical practice guidelines and policy decisions.
  • Required for research funding by many agencies.

Purpose of the Study:

  • To outline the essential components of a rigorous systematic review.
  • To emphasize the impact of well-conducted reviews on practice and policy.

Main Methods:

  • Formulate a clear question using the PICO format (population, intervention, comparison, outcomes).
  • Develop a protocol detailing study selection criteria and design.
  • Conduct comprehensive searches across multiple databases, including grey literature and author correspondence.
  • Employ independent dual review for study selection (titles, abstracts, full text).
  • Perform descriptive analysis with quality assessment, and meta-analysis if appropriate.

Main Results:

  • Adherence to rigorous methods ensures accurate literature summaries.
  • Systematic reviews provide essential information for healthcare professionals and policymakers.
  • They identify research gaps and areas needing further investigation.

Conclusions:

  • Well-executed systematic reviews significantly impact clinical practice and health policy.
  • These reviews are vital tools for evidence-based decision-making.
  • They guide future research priorities effectively.