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Hire Dr. Abdelrahman E.

Egypt

USD 20 /hr

Medical Researcher & Biostatistician | Primary Studies, Meta-Analyses & Medical Writing

Profile Summary

Medical researcher and biostatistician experienced in primary clinical studies, systematic reviews, and meta-analyses, with strong skills in R-based statistical analysis, medical writing, and publication-ready data presentation. Author of 12 peer-reviewed publications and a freelance research contributor on several research papers, providing statistical analysis, methodology support, evidence synthesis, and medical writing (non-authorship roles). I work with researchers, clinicians, and healthcare organizations to deliver accurate, evidence-based, and methodologically sound research outputs.

Subject Matter Expertise

• ☆ Biostatistics
• ☆ Anesthesiology
• ☆ Dermatology
• ☆ Dermatologic Surgery
• ☆ Skin Cancer
• ☆ Medical Imaging/Radiology
• ☆ Interventional Radiology
• ☆ Nuclear Medicine
• ☆ Primary Care/Family Medicine
• ☆ Medical Genetics
• ☆ Immunogenetics
• ☆ Neurology
• ☆ Pediatric Neurology
• ☆ Epilepsy & Seizures
• ☆ Clinical Neurophysiology
• ☆ Neuromuscular Disease
• ☆ Movement Disorders
• ☆ Non-Alzheimer's Dementia
• ☆ Parkinson's Disease
• ☆ Alzheimer's Disease
• ☆ Headache & Migraine
• ☆ Multiple Sclerosis
• ☆ Neuroendocrinology
• ☆ Autism Spectrum Disorders
• ☆ Pediatric Medicine
• ☆ Pediatric Gastroenterology
• ☆ Orthopedics & Sports Medicine
• ☆ Foot & Ankle Orthopedics
• ☆ Oncology
• ☆ Radiation Therapy
• ☆ Chemotherapy
• ☆ Surgical Oncology
• ☆ Pediatric Oncology
• ☆ General Surgery
• ☆ Urology & Nephrology
• ☆ Dialysis
• ☆ Gastroenterology & Hepatology
• ☆ Colorectal Cancer
• ☆ Pancreatic Cancer
• ☆ Stomach & Esophageal Cancer
• ☆ Crohn's Disease
• ☆ Hepatitis
• ☆ Irritable Bowel Syndrome (IBS)
• ☆ Liver Cancer
• ☆ Endocrinology
• ☆ Hormone Replacement Therapy
• ☆ Reproductive Medicine
• ☆ Endocrine Surgery
• ☆ Diabetes
• ☆ Neurosurgery
• ☆ Spine Surgery
• ☆ Orthopedic Surgery
• ☆ Hematology
• ☆ Hematology-Oncology
• ☆ Leukemia & Lymphoma
• ☆ Infectious Disease
• ☆ Viral Diseases
• ☆ Respiratory Syncytial Virus (RSV)
• ☆ Epstein-Barr Virus (EBV)
• ☆ West Nile Virus
• ☆ COVID-19
• ☆ Chikungunya
• ☆ Eastern Equine Encephalitis Virus
• ☆ Syphilis
• ☆ Bacterial Diseases
• ☆ Leprosy
• ☆ Yersinia Pestis
• ☆ Lyme Disease
• ☆ Antibiotic Resistance Research
• ☆ HIV/AIDS Treatment
• ☆ Cardiovascular Disease
• ☆ Vascular Medicine
• ☆ Pacemakers
• ☆ Clinical Cardiac Electrophysiology
• ☆ Interventional Cardiology
• ☆ Cardiovascular Disease Management
• ☆ Pediatric Cardiology
• ☆ Hospice & Palliative Medicine
• ☆ Pain Management
• ☆ Pulmonology/Respiratory Disease
• ☆ Lung Cancer
• ☆ Tuberculosis
• ☆ Severe Acute Respiratory Syndrome (SARS)
• ☆ Respiratory Therapy
• ☆ Influenza
• ☆ Medical Toxicology
• ☆ Magnetic Resonance Imaging (MRI)
• ☆ Medical X-Ray
• ☆ Endoscopy
• ☆ Electrocardiogram (ECG)
• ☆ Echocardiography
• ☆ Computed Tomography (CT)
• ☆ Mammography
• ☆ Positron Emission Tomography (PET)
• ☆ Ultrasound
• ☆ Image-Guided Biopsy
• ☆ DEXA Scan
• ☆ Fluoroscopy
• ☆ Intensive Care Medicine
• ☆ Photodermatology
• ☆ Dermatitis
• ☆ Pediatric Endocrinology
• ☆ Audiology
• ☆ Internal Medicine
• ☆ Geriatric Medicine
• ☆ Pediatric Surgery
• ☆ Trauma Surgery
• ☆ Craniofacial Surgery
• ☆ Vascular Surgery
• ☆ Developmental Disabilities
• ☆ Blindness & Visual Impairment
• ☆ Physical Disabilities
• ☆ Medical Sciences
• ☆ Electroneurodiagnostic Technology
• ☆ Spinal Cord Injury
• ☆ Musculoskeletal Oncology
• ☆ Neuro-Oncology
• ☆ Pediatric Hematology-Oncology
• ☆ Asthma
• ☆ Metabolism & Metabolic Disease
• ☆ Laparoscopic/Minimally Invasive Surgery
• ☆ Cardiothoracic Radiology
• ☆ Muscoskeletal Radiology
• ☆ Neuroradiology
• ☆ Pediatric Radiology
• ☆ Sclerosis & Demyelinating Diseases
• ☆ Endovascular Neurosurgery
• ☆ Neonatal Medicine

Services

• Writing
• Research
• Consulting
• Data & AI

Writing Clinical Trial Documentation, Medical Writing, Non-Medical Regulatory Writing, Technical Writing, General Proofreading & Editing

Research Market Research, User Research, Meta-Research, Feasibility Study, Fact Checking, Gap Analysis, Gray Literature Search, Scientific and Technical Research, Systematic Literature Review, Secondary Data Collection

Consulting Scientific and Technical Consulting

Data & AI Predictive Modeling, Statistical Analysis, Image Processing, Image Analysis, Algorithm Design-Non ML, Algorithm Design-ML, Data Visualization, Big Data Analytics, Data Mining, Data Cleaning, Data Processing

Work Experience

Clinical Research Consultant

OPIMETA

March 2023 - Present

Education

MBBCh candidate

Faculty of Medicine, Alexandria University, Egypt

October 2021 - Present

Certifications

• USMLE Step 2 Clinical Knowledge (CK), Score 263

  National Board of Medical Examiners (NBME) / Federation of State Medical Boards (FSMB)

  October 2025 - Present

• USMLE Step 1

  National Board of Medical Examiners (NBME) / Federation of State Medical Boards (FSMB)

  April 2024 - Present

Publications

JOURNAL ARTICLE

Abdelrahman Elshimy, Omar Almaadawy, Mohamed Elnady, Hossam Elbenawi, Ahmed Almahdy Mohamed, Menna Sarhan, Abdul Rhman Hassan, Eman Moheyeldin, Alshaimaa G. Mohamed, Nada Ali, et al. (2025). Which antiplatelet is better after stents? A meta-analysis of aspirin vs clopidogrel in the maintenance phase . Naunyn-Schmiedeberg's Archives of Pharmacology.

Anas Elgenidy, Khaled Saad, Amir Aboelgheet, Eman F. Gad, Usama El-Shokhaiby, Thamer A. M. Alruwaili, Abdelrahman N. Abdelal, Kawashty R. Mohamed, Mohammad Bazzazeh, Mohamed Hesn, et al. (2025). Survival Patterns and Mortality Causes in Patients with Invasive Ependymoma: A Retrospective Cohort Analysis from 2000 to 2019 . Medical Sciences.

Abdelrahman Elshimy, Khaled Saad, Amir Aboelgheet, Khalid Hashim, Eman F. Gad, Anas Elgenidy, Ramez M. Odat, Aya Sherif, Ahmed Altaweel, Asmaa B. Zahran, et al. (2025). Rice Hydrolysate Formula in Infants and Children Allergic to Cow’s Milk: A Systematic Review of Evidence . Clinical Medicine Insights: Pediatrics.

Omar Almaadawy, Mohamed Mar’ey Hesn, Yomna Ayman Elsalamony, Omar Ayman Abobakr, Abdelrahman Hossam Elshimy, Khaled Alsayed Abulkhair, Mahmoud Mohamed Negm, Ahmed Yasser Shaban, Yakubu Bene-Alhasan, Frank Annie, et al. (2025). Small interfering RNA effect on lipoprotein(a): a systematic review . The Egyptian Heart Journal.

Abdelrahman Elshimy, Anas Elgenidy, Khaled Saad, Reda Ibrahim, Aya Sherif, Taher Elmozugi, Moaz Y. Darwish, Mahmoud Abbas, Yousif A. Othman, Alyaa M. Sheir, et al. (2025). Diagnostic Accuracy of Sonazoid-Enhanced Ultrasonography for Detection of Liver Metastasis . Medical Sciences.

Abdelrahman Elshimy, Elsayed Balbaa, Ahmed A. Ibrahim, Mohammad Bazzazeh, Shehroze Tabassum, Shrouk Ramadan, Ahmed Farid Gadelmawla, Obieda Altobaishat, Mohamed Abuelazm (2025). Non-fasting versus fasting before percutaneous cardiac procedures: a systematic review and meta-analysis of randomized controlled trials . Perioperative Medicine.

CONFERENCE PAPER

Abdelrahman Elshimy, Abdelrahman Tawfik, Abdalla Hadhoud, Abdullah Azzam, Rawan Hassanien, Shrouk Ramadan (2025). Serum Procalcitonin Level as a Predictor for Prognostic Outcomes in Traumatic Brain Injury Patients: A Systematic Review and Meta-analysis (S26.008) . Neurology.

Abdelrahman Elshimy, Elsayed Balbaa, Ahmed Elbataa, Ahmed Farid Gadelmawla, Khaled Ali, Abdul Moiz Sahito, Obieda Altobaishat, Wasfi Alghwyeen (2025). COMPARATIVE EFFICACY AND SAFETY OF RASIS WITHHOLDING VERSUS RASIS CONTINUING BEFORE SURGERIES: A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS . Journal of the American College of Cardiology.

Abdelrahman Elshimy, Elsayed Balbaa, Ahmed A. Ibrahim, Khaled Ali, Mohammad Bazzazeh, Shrouk Ramadan, Ahmed Farid Gadelmawla, Obieda Altobaishat, Shehroze Tabassum, Mohamed Abuelazm (2025). NON-FASTING VERSUS FASTING BEFORE PERCUTANEOUS CATHETERIZATION CARDIAC PROCEDURES: A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS . Journal of the American College of Cardiology.

Almaadawy O, Elnady M, Almahdy Mohamed A, Elshimy A, Sarhan M, Hassan AR, et al. Abstract 4139258: Aspirin vs Clopidogrel as a Monotherapy secondary prevention in Patients with Coronary Artery Disease: An updated Meta-Analysis. Circulation [Internet]. 2024 Nov 12 [cited 2025 Dec 22];150(Suppl_1). Available from: https://www.ahajournals.org/doi/10.1161/circ.150.suppl_1.4139258 .

Abdelrahman Elshimy, Omar Almaadawy, Mohamed Hesn, Yomna Aymen, Omar Ayman, Ahmed Yasser Abdelaziz Shaban, Khaled Abualkhair, Mahmoud Negm, yakubu bene-alhasan, Basel Abdelazeem (2024). SMALL INTERFERING RNA (SIRNA) IMPACT ON LIPOPROTEIN(A) LEVELS: A SYSTEMATIC REVIEW . Journal of the American College of Cardiology.

Abdelrahman Elshimy, Omar Almaadawy, Yomna Aymen, Mohamed Hesn, Omar Ayman, Nehal Khalid, yakubu bene-alhasan, Ahmed K. Abdelrahman, Basel Abdelazeem (2024). THE SAFETY AND EFFICACY OF CONCOMITANT USE OF DOAC AND AMIODARONE IN PATIENTS WITH ATRIAL FIBRILLATION: A SYSTEMATIC REVIEW AND META-ANALYSIS . Journal of the American College of Cardiology.