Dr. Ronald K. Mayfield

Endocrinology
853 N Church St, Suite 720c, 
Spartanburg, SC 
853 N Church St, Suite 720c, 
Spartanburg, SC 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Ronald Mayfield is an Endocrinologist in Spartanburg, South Carolina. His top areas of expertise are Type 2 Diabetes (T2D) and Obesity.

His clinical research consists of participating in 12 clinical trials. MediFind looks at clinical research from the past 15 years.

Specialties
Endocrinology
Licenses
Internal Medicine in SC
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO

Locations

853 N Church St, Suite 720c, Spartanburg, SC 29303

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

10 Clinical Trials

A Double-Blind, Placebo-Controlled Phase 2b Study to Evaluate the Efficacy and Safety of ARO-APOC3 in Adults With Mixed Dyslipidemia
A Double-Blind, Placebo-Controlled Phase 2b Study to Evaluate the Efficacy and Safety of ARO-APOC3 in Adults With Mixed Dyslipidemia
Enrollment Status: Completed
Publish Date: October 03, 2025
Intervention Type: Drug
Study Phase: Phase 2
A Double-Blind, Placebo-Controlled Phase 2b Study to Evaluate the Efficacy and Safety of ARO-APOC3 in Adults With Severe Hypertriglyceridemia
A Double-Blind, Placebo-Controlled Phase 2b Study to Evaluate the Efficacy and Safety of ARO-APOC3 in Adults With Severe Hypertriglyceridemia
Enrollment Status: Completed
Publish Date: October 03, 2025
Intervention Type: Drug
Study Drug: ARO-APOC3
Study Phase: Phase 2
The Effect of Tirzepatide Versus Dulaglutide on Major Adverse Cardiovascular Events in Patients With Type 2 Diabetes (SURPASS-CVOT)
The Effect of Tirzepatide Versus Dulaglutide on Major Adverse Cardiovascular Events in Patients With Type 2 Diabetes (SURPASS-CVOT)
Enrollment Status: Completed
Publish Date: August 24, 2025
Intervention Type: Drug
Study Drugs: Tirzepatide, Dulaglutide
Study Phase: Phase 3
A Phase 3, Parallel-Design, Open-Label, Randomized Control Study to Evaluate the Efficacy and Safety of LY3209590 as a Weekly Basal Insulin Compared to Insulin Degludec in Insulin Naïve Adults With Type 2 Diabetes
A Phase 3, Parallel-Design, Open-Label, Randomized Control Study to Evaluate the Efficacy and Safety of LY3209590 as a Weekly Basal Insulin Compared to Insulin Degludec in Insulin Naïve Adults With Type 2 Diabetes
Enrollment Status: Completed
Publish Date: May 16, 2025
Intervention Type: Drug
Study Phase: Phase 3
A Randomized, Open-Label, Parallel-Group, Two-Arm, Phase 4 Study to Evaluate the Long-Term Efficacy and Safety of Tirzepatide Compared With Intensified Conventional Care in Adults When Initiating Treatment Early in the Course of Type 2 Diabetes
A Randomized, Open-Label, Parallel-Group, Two-Arm, Phase 4 Study to Evaluate the Long-Term Efficacy and Safety of Tirzepatide Compared With Intensified Conventional Care in Adults When Initiating Treatment Early in the Course of Type 2 Diabetes
Enrollment Status: Active_not_recruiting
Publish Date: April 18, 2025
Intervention Type: Drug
Study Phase: Phase 4
Efficacy and Safety of Tirzepatide Once Weekly Versus Placebo for Maintenance of Weight Loss in Participants Without Type 2 Diabetes Who Have Obesity or Are Overweight With Weight-Related Comorbidities: A Randomized, Double-Blind, Placebo-Controlled Trial (SURMOUNT-4)
Efficacy and Safety of Tirzepatide Once Weekly Versus Placebo for Maintenance of Weight Loss in Participants Without Type 2 Diabetes Who Have Obesity or Are Overweight With Weight-Related Comorbidities: A Randomized, Double-Blind, Placebo-Controlled Trial (SURMOUNT-4)
Enrollment Status: Completed
Publish Date: May 22, 2024
Intervention Type: Other, Drug
Study Drug: Tirzepatide
Study Phase: Phase 3
Efficacy and Safety of Tirzepatide Once Weekly Versus Placebo After an Intensive Lifestyle Program in Participants Without Type 2 Diabetes Who Have Obesity or Are Overweight With Weight-Related Comorbidities: A Randomized, Double Blind, Placebo-Controlled Trial (SURMOUNT-3)
Efficacy and Safety of Tirzepatide Once Weekly Versus Placebo After an Intensive Lifestyle Program in Participants Without Type 2 Diabetes Who Have Obesity or Are Overweight With Weight-Related Comorbidities: A Randomized, Double Blind, Placebo-Controlled Trial (SURMOUNT-3)
Enrollment Status: Completed
Publish Date: May 16, 2024
Intervention Type: Other, Drug
Study Drug: Tirzepatide
Study Phase: Phase 3
Efficacy and Safety of Tirzepatide Once Weekly in Participants With Type 2 Diabetes Who Have Obesity or Are Overweight: A Randomized, Double-Blind, Placebo-Controlled Trial (SURMOUNT-2)
Efficacy and Safety of Tirzepatide Once Weekly in Participants With Type 2 Diabetes Who Have Obesity or Are Overweight: A Randomized, Double-Blind, Placebo-Controlled Trial (SURMOUNT-2)
Enrollment Status: Completed
Publish Date: April 08, 2024
Intervention Type: Other, Drug
Study Drug: Tirzepatide
Study Phase: Phase 3
A Randomized, Phase 3, Open-label Trial Comparing the Effect of the Addition of Tirzepatide Once Weekly Versus Insulin Lispro (U100) Three Times Daily in Participants With Type 2 Diabetes Inadequately Controlled on Insulin Glargine (U100) With or Without Metformin (SURPASS-6)
A Randomized, Phase 3, Open-label Trial Comparing the Effect of the Addition of Tirzepatide Once Weekly Versus Insulin Lispro (U100) Three Times Daily in Participants With Type 2 Diabetes Inadequately Controlled on Insulin Glargine (U100) With or Without Metformin (SURPASS-6)
Enrollment Status: Completed
Publish Date: November 02, 2023
Intervention Type: Drug
Study Drugs: Tirzepatide, Insulin Lispro, Insulin Glargine
Study Phase: Phase 3
Efficacy and Safety of LY3298176 Once Weekly Versus Insulin Glargine in Patients With Type 2 Diabetes and Increased Cardiovascular Risk (SURPASS-4)
Efficacy and Safety of LY3298176 Once Weekly Versus Insulin Glargine in Patients With Type 2 Diabetes and Increased Cardiovascular Risk (SURPASS-4)
Enrollment Status: Completed
Publish Date: February 14, 2022
Intervention Type: Drug
Study Drugs: Tirzepatide, Insulin Glargine
Study Phase: Phase 3
View 9 Less Clinical Trials
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Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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