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Clinical Research Sub-Investigators
Our Sub-Investigators play a critical role in supporting protocol execution, patient safety, and clinical assessments across RMP-affiliated research sites. Working alongside Principal Investigators, they contribute specialized expertise in patient evaluation, study procedures, and data integrity across multiple therapeutic areas.
Idalmys Justi, APRN, FNP, PMHNP-Sub Investigator.
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Idalmys Justi is an Advanced Practice Registered Nurse and dual-certified Family and Psychiatric Mental Health Nurse Practitioner with extensive clinical and research experience supporting industry-sponsored clinical trials. She brings a unique background as a medical doctor trained in Cuba combined with advanced nursing practice in the United States, providing strong expertise in both medical and psychiatric patient assessment within research settings.
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As a Sub-Investigator, Ms. Justi has participated in Phase I–IV clinical trials across multiple therapeutic areas including psychiatry, infectious diseases, cardiometabolic disorders, vaccines, and respiratory conditions. Her responsibilities include patient eligibility review, informed consent support, psychiatric and medical evaluations, protocol adherence, adverse event documentation, and oversight of accurate clinical data collection in compliance with regulatory standards.
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She is also an experienced psychiatric rater qualified to administer standardized clinical rating scales used in CNS research, including MADRS, CGI, C-SSRS, SCID-5-CT, and other validated psychiatric assessment tools. Her bilingual capabilities and strong regulatory training in ICH-GCP, Medidata, Veeva, and other clinical research systems allow her to support high-quality study execution and patient safety across the Research Management Partners clinical research network.
Daycee Brena, MSN, FNP-RN
Sub-Investigator | Pediatric & Family Medicine
Daycee Brena is a Family Nurse Practitioner with extensive clinical experience in pediatric medicine, family medicine, and critical care nursing. With a strong background in both clinical practice and patient-centered care, she provides comprehensive patient evaluations, chronic disease management, and preventative care across diverse populations. Her training also includes international medical education in pediatrics and medicine, contributing to a broad understanding of clinical care in multidisciplinary healthcare environments.
As a Sub-Investigator in clinical research, Ms. Brena has participated in Phase II and Phase III industry-sponsored clinical trials involving psychiatric and neurological conditions as well as infectious diseases. Her research experience includes studies in COVID-19 therapies, schizophrenia treatment, major depressive disorder, and early Alzheimer’s disease. In these roles she supports subject screening, protocol compliance, clinical monitoring, safety reporting, and accurate research documentation in accordance with FDA and ICH-GCP standards.
Ms. Brena brings strong clinical leadership and multidisciplinary coordination skills to clinical trials, combining her experience in pediatric and primary care settings with advanced research training. She is proficient in electronic data capture systems and clinical research processes, supporting high-quality study execution and patient safety across the Research Management Partners clinical research network.
Ricardo Gutierrez, PMHNP-BC
Sub-Investigator | Psychiatric Mental Health
Ricardo Gutierrez is a board-certified Psychiatric Mental Health Nurse Practitioner with extensive experience in inpatient and outpatient psychiatric care. His clinical background includes acute psychiatric stabilization, comprehensive mental health evaluations, medication management, and evidence-based treatment planning for diverse patient populations. He has worked within multidisciplinary hospital and outpatient settings, including HCA-affiliated facilities, providing culturally competent care in both English and Spanish.
As a Sub-Investigator in clinical research, Mr. Gutierrez has participated in multiple studies involving psychiatric and central nervous system disorders, including schizophrenia and bipolar disorder. His responsibilities include subject screening, psychiatric evaluations, protocol compliance, safety monitoring, and accurate clinical documentation in accordance with FDA regulations and ICH-GCP standards.
Mr. Gutierrez is also an experienced clinical rater qualified to administer standardized psychiatric assessment scales commonly used in CNS clinical trials, including MADRS, PANSS, CGI, HAM-D, YMRS, and C-SSRS. His expertise in psychiatric evaluations and regulatory-compliant clinical research procedures contributes to high-quality study execution and patient safety across the Research Management Partners clinical research network.
Sheila Perez Garcia, APRN, MSN, FNP-C
Sub-Investigator | Family Medicine
Sheila Perez Garcia is an Advanced Practice Registered Nurse and Family Nurse Practitioner with clinical experience across inpatient care, home health, and multidisciplinary healthcare environments. Her background includes patient evaluation, risk management, infection control, and patient education, with a strong commitment to patient-centered care and medical safety. She has worked with diverse patient populations and brings bilingual communication skills in English and Spanish to support effective clinical care.
As a Sub-Investigator in clinical research, Ms. Perez Garcia participates in protocol-driven clinical trial activities including patient assessments, subject monitoring, adverse event evaluation, and regulatory-compliant documentation. She is trained in Good Clinical Practice (ICH-GCP) and FDA-regulated research procedures, ensuring that all clinical trial activities are conducted according to established regulatory and ethical standards.
Ms. Perez Garcia is also experienced in administering standardized clinical rating instruments used in CNS and behavioral research studies and is trained in multiple clinical research systems and electronic data capture platforms. Her expertise in patient monitoring, regulatory compliance, and multidisciplinary collaboration contributes to efficient study execution and patient safety across the Research Management Partners clinical research network.
Sheila Rojas, APRN, FNP-C, PMHNP-BC
Sub-Investigator | Psychiatry
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Sheila Rojas is a board-certified Psychiatric Mental Health Nurse Practitioner and Family Nurse Practitioner with extensive experience in behavioral health, primary care, and palliative medicine. She provides comprehensive psychiatric evaluations, medication management, and coordinated multidisciplinary care for patients with a wide range of mental health conditions. Her clinical background includes both in-person and telepsychiatry services, allowing her to support diverse patient populations in multiple care settings.
As a Sub-Investigator and former Clinical Research Coordinator, Ms. Rojas has participated in Phase II and Phase III industry-sponsored clinical trials in psychiatry, neurology, and infectious diseases. Her research responsibilities include subject screening, informed consent procedures, protocol compliance, safety monitoring, and clinical data documentation in accordance with FDA regulations and ICH-GCP standards.
Ms. Rojas is also experienced in administering standardized psychiatric and cognitive assessment instruments commonly used in CNS clinical trials, including MADRS, PANSS, HAM-D, HAM-A, MMSE, ADAS-COG, and C-SSRS. Her combined experience in psychiatric care, clinical research coordination, and regulatory-compliant trial execution supports high-quality study performance within the Research Management Partners clinical research network.
Lisette Duarte, MSN, APRN
Sub-Investigator | Psychiatry
Lisette Duarte is an Advanced Practice Registered Nurse with specialized training in psychiatric mental health and extensive experience providing patient-centered care across inpatient, outpatient, and community mental health settings. Her clinical background includes psychiatric evaluation, diagnosis, medication management, crisis intervention, and suicide risk assessment. She is bilingual in English and Spanish and has strong experience working with diverse patient populations while delivering evidence-based mental health care.
As a Sub-Investigator in clinical research, Ms. Duarte supports industry-sponsored clinical trials focused on psychiatric and central nervous system disorders. Her responsibilities include subject screening, psychiatric assessments, protocol compliance, patient safety monitoring, and regulatory-compliant clinical documentation. She has participated in research programs involving major depressive disorder, bipolar disorder, schizophrenia, anxiety disorders, PTSD, ADHD, and other neurodevelopmental conditions.
Ms. Duarte is also an experienced clinical rater trained in administering standardized psychiatric assessment tools commonly used in CNS clinical trials, including MADRS, HAM-D, PANSS, CGI scales, YMRS, and C-SSRS. Her combined expertise in psychiatric care, academic nursing education, and clinical research procedures contributes to high-quality study execution and patient safety across the Research Management Partners clinical research network.
