Business hours

Monday - Friday 8am to 4:30pm
After hours or weekends if required by protocol

Horario de oficina

Lunes - Vienes 8 am a 4.30 pm
Fuera de horario o fines de semana si lo requiere el protocolo


(305) 456-9062


Clinical studies

Rebound COVID-19 Symptoms

An international, efficacy and safety, Phase 2, randomized, double-blind, 2-arm study to investigate a repeat 5-day course of nirmatrelvir/ritonavir compared to placebo/ritonavir in participants at least 12 years of age with rebound of covid-19 symptoms and rapid antigen test positivity.

Age group: From 12 years old
Gender: Male or Female
Duration: Up to 24 weeks approximately
Compensation: Up to $1,460

About this study:
The study is evaluating if an additional 5-day course of PAXLOVID may provide benefit for
adults and children at 12 years of age with rebound of COVID-19 symptoms and a SARS-CoV-2
infection within 14 days after completing an initial 5-day course of PAXLOVID.

Who can participate?

  • Participants must be at least 12 years of age and weight at least 40 kg (88lb).
  • Have completed an initial 5-day course of PAXLOVID (Nirmatrevir and ritonavir) and
    experienced initial improvement in COVID-19 signs/symptoms followed by a worsening
    (rebound) of COVID-19 signs/symptoms.
  • Are willing to take a COVID-19 test at a study site within 48 hours of first rebound
  • Possibly have an increased risk of developing severe illness from COVID-19 (for
    example but not limited to: High blood pressure, obesity, diabetes, heart disease)


Where is the study taking place?
The study is being conducted at our facility in Palmetto Medical Plaza.






Current Clinical Research Study Request

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Clinical studies



Monday - Friday 9am to 4:30pm
After hours or weekends if required by protocol

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(305) 456-9141

24 Hour Phone

786) 214-1433


Palmetto Medical Plaza 7100 West 20th Avenue, Suite 411 Hialeah, FL 33016

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