Placebo-Controlled Trials in Brazil

Clinical Trials in: Mexico, Argentina, Colombia and Brazil.

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As a leading CRO in LATAM, we specialize in supporting clinical trials throughout the region. Our extensive experience and broad network of clinical sites enable us to execute trials with speed and efficiency, ensuring high patient recruitment and retention rates.

Placebo-Controlled Trials in Brazil

Placebo-Controlled Trials in Brazil – Full Service CRO

Clinical trials are the backbone of medical progress, providing invaluable insights into the efficacy and safety of new treatments. Among the various types of clinical trials, placebo-controlled trials play a pivotal role in evaluating the effectiveness of interventions. In Brazil, a country known for its vibrant culture and diverse population, these trials contribute to medical advancement while raising important ethical discussions.

Unveiling the Essence of Placebo-Controlled Trials:

Placebo-controlled trials involve comparing a new treatment or intervention with a placebo—a substance with no therapeutic properties. The objective is to discern whether the new treatment demonstrates genuine effectiveness beyond any potential psychological or subjective influences. These trials are particularly valuable when uncertainty surrounds the actual effects of a treatment, as randomization helps minimize biases.

Ethical Dimensions and Patient Welfare:

While placebo-controlled trials have a significant impact on scientific understanding, they also give rise to ethical concerns, primarily related to patient well-being. Critics argue that providing patients with a placebo, especially when an existing effective treatment is available, may expose them to undue risks or deny them potentially beneficial treatment. In Brazil, as in many other countries, the principle of non-maleficence, which emphasizes the duty to do no harm, is central to these ethical debates.

To address these concerns, stringent ethical guidelines are in place to safeguard the rights and welfare of participants. The process of obtaining informed consent is rigorous, ensuring that participants fully comprehend the trial’s nature, potential risks, and available alternatives. Furthermore, researchers must demonstrate that the potential benefits of the trial outweigh any foreseeable risks, adhering to the concept of risk-benefit analysis.

Regulatory Landscape in Brazil:

Brazil maintains a robust regulatory framework for clinical trials that aligns with international standards. The National Health Surveillance Agency (ANVISA) oversees clinical trials in the country, ensuring they adhere to ethical and safety standards.

ANVISA mandates that researchers submit comprehensive study protocols and informed consent documents for review before commencing trials. This regulatory oversight is essential in preventing unethical practices and ensuring that trials are conducted with the utmost consideration for participants’ well-being.

Placebo-Controlled Trials in Brazil

Placebo-Controlled Trials in Brazil

Placebo-Controlled Trials in Brazil

Strides and Challenges:

Placebo-controlled trials in Brazil have significantly contributed to medical progress. They have provided insights into the efficacy of treatments across various medical domains, from pharmaceuticals to psychological interventions. These trials have not only influenced medical guidelines but have also shaped treatment approaches and recommendations.

However, conducting placebo-controlled trials in Brazil presents unique challenges. Socioeconomic disparities can affect participants’ access to healthcare beyond the trial, potentially impacting the applicability of trial results to broader populations. Moreover, cultural nuances and language barriers can influence participants’ comprehension of trial procedures and potential risks.

Harmonizing Ethical Concerns and Medical Advancement:

The ethical considerations surrounding placebo-controlled trials underscore the importance of transparency, participant protection, and rigorous oversight. Collaboration among researchers, regulatory bodies, and healthcare professionals is essential to ensure trials are conducted ethically and responsibly. Striking a balance between advancing medical knowledge and upholding the rights and well-being of participants is of paramount importance.

In Brazil, as in other countries, the ethical landscape must be continuously assessed. Adapting trial designs and informed consent procedures to align with the local context is essential to ensure participants are treated with dignity and respect.


Placebo-controlled trials in Brazil serve as a cornerstone of medical progress and enhanced patient care. While ethical concerns are prominent, the robust regulatory framework and commitment to participant welfare guide the conduct of these trials. As medical knowledge continues to evolve, the ethical foundation of clinical research remains unwavering. Through collaborative efforts and strict adherence to ethical standards, placebo-controlled trials will continue to drive medical advancement in Brazil and beyond.

Placebo-Controlled Trials in Brazil

Source: Duke Clinical Research Institute

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Say goodbye to the complex, costly, and disorganized process of conducting clinical trials. Our infrastructure in Latin America streamlines the launch of studies and ensures adherence to international standards. Schedule a call with us today to discover the path to simplified clinical research in Latin America.

Placebo-Controlled Trials in Brazil

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We define ourselves as a unique team, capable of blending our academic background with a global business mindset to bring the highest standard of quality and operational excellence into clinical research in Latin America.

Early Phase Trials

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Rescue Studies

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Phase II & III Trials

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Medical Devices

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Placebo-Controlled Trials in Brazil

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Outsourcing Clinical Trials to Latin America

Unlock the advantages and opportunities of outsourcing clinical trials to Latin America. Diverse patient population, streamlined regulations, and cost-effectiveness

Lower Operating Costs

From lower labor costs to lower costs for rent, utilities, and equipment, you can save money on your clinical trial budget while still ensuring the quality of your trial

Access to Emerging Markets

Latin America offers access to emerging markets, providing an opportunity for pharmaceutical companies to expand their reach and reach new patient populations.

Placebo-Controlled Trials in Brazil

Cohortias is redefining Clinical Research in Latin America

We are committed to become leaders in providing clinical research services in Latin America. Here at Cohortias, we combine our academic roots, proven experience and a large pool of patients from an extensive network of sites.

Our main purpose is to deliver high quality data.

Placebo-Controlled Trials in Brazil

Clinical Research in Latin America

Cohortias has built an extensive and highly reputable network of clinical sites which can access patients in a timely manner and operate within a standard-of-care comparable to the U.S. healthcare system.


  • Site Management

  • Data Management

  • Site Selection

  • Regulatory Submissions

  • Clinical Monitoring

  • Protocol Development


Beta Trials Platform

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Medical Devices

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Phases I – III

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Placebo-Controlled Trials in Brazil

Clinical Research in Latin America

Academic Leadership and Extensive Clinical Site Network for Efficient Clinical Trials

  • Our peer-to-peer management approach guarantees high patient recruitment and retention in any clinical trial

High Speed Execution

  • We offer the quickest start-up times in each country.
  • Efficient Clinical Site Selection and Contracting.
  • Benefit from our extensive network of clinical sites and streamlined contracting process.

Operational Excellence

  • Proven record of delivering rescue studies, we consistently exceed industry performance standards.
  • Our team provides efficient query resolution to keep your trial on track.

Business Insight and Flexibility

  • We offer innovative pricing models and short lines of communication to ensure maximum flexibility and cost-effectiveness.
  • At Cohortias, we prioritize  short lines of communication to ensure efficient collaboration.
  • Swift adaptation to changes in the trial landscape to keep your study on schedule.

Placebo-Controlled Trials in Brazil

We provide our services with offices in:

Colombia &

Daniela Maresca
Daniela Maresca | Country Lead Argentina
Martín Hernández-Torre | CMO
Maritza Rojas | CRA II
Pedro Alvarez | Business Development Manager
Samantha Rodriguez Cohortias
Samantha Rdz. | Start-Up Manager
Placebo-Controlled Trials in Brazil

The Cohortias Team

Placebo-Controlled Trials in Brazil

As the largest South American Contract research Organization, we know the Advantages and Challenges Of the Region

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Placebo-Controlled Trials in Brazil

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