🏛️ Verified NIH Record • Updated 2025-11-17

Effect of Levosulpiride on Retinal Alterations in Patients With Diabetic Retinopathy and Diabetic Macular Edema (NCT03161652)

Clinical Trial to Evaluate the Safety and Efficacy of Levosulpiride to Improve Retinal Alterations in Patients With Diabetic Retinopathy and Diabetic Macular Edema.

🟢 Recruiting Phase2 💊 Investigational Drug / Biologic Sponsor: Carmen Clapp

🩺 Plain-English Summary (8th-Grade Level)

This is a randomized, double-blind, placebo-controlled trial to evaluate the safety and efficacy of levosulpiride to improve retinal alterations due to diabetic macular edema and diabetic retinopathy

Who can join: Review the eligibility criteria below.

Location: Instituto Mexicano de Oftalmologia (IMO) — Querétaro City, Querétaro

Age range: 40 Years to 69 Years

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (2 Sites)

  • Instituto Mexicano de Oftalmologia (IMO) — Querétaro City, Querétaro
  • Instituto de la Retina del Bajio SC (INDEREB) — Querétaro City, Querétaro

📞 Contact the Study Coordinator

Phone: 52442 2381028

Email: clapp@unam.mx

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗