Clinical trials in Yemen
40 studies list at least one site in Yemen. 13 are recruiting or about to start. Per ClinicalTrials.gov, last updated 2026-09-24.
Status
- Completed
- 20
- Active, not recruiting
- 7
- Recruiting
- 7
- Not yet recruiting
- 5
- Enrolling by invitation
- 1
Phase
- Phase 3
- 3
- Phase 4
- 2
- Phase 1
- 2
- Phase 2
- 1
Most studied here
Who runs them
Sana'a University (21) · University of Science and Technology, Yemen (6) · Thamar University (2) · IBB University (1) · Arab Board of Neurosurgery (1) · Medipol University (1) · Haifaa Mohammed Al-hussini (1) · Ben Hafeed Dental Center (1)
Studies
Recruiting first, then most recently updated. Showing 40 of 40 — search for more.
- Effect of Advanced PRF and Hyaluronic Acid on Dental Implant HealingRecruitingNCT07792720Not applicable
- Acceleration of Tooth Movement Using PRP and Photobiomodulation With Clear AlignersNot yet recruitingNCT07795073Phase 1/2
- Palatoplasty Techniques Using PRF and Gentamicin-Loaded PRF in Cleft PalateRecruitingNCT07752849Not applicable
- Primary Versus Delayed Wound Closure in Complicated Appendectomy (The HIEDI-Yemen Trial)Not yet recruitingNCT07688109Not applicable
- Oral Nifedipine Versus Placebo for Pain and Healing After HemorrhoidectomyNot yet recruitingNCT07659665Phase 4
- Vitamin D3 Supplementation Regimens and Preeclampsia RiskRecruitingNCT07648706Not applicable
- Supine vs. Prone PCNL for Large Renal Stones: A Randomized Trial in Yemen.Not yet recruitingNCT07627503Not applicable
- Graftless TSFE Via Self-tapping ImplantsRecruitingNCT07424742Not applicable
- "Sliding Jigs vs Retraction Hooks for Maxillary Dentition Distalization Using IZC Miniscrews"RecruitingNCT07307209Not applicable
- 3-D Evaluation of Alveolar Bone Changes and Root Resorption After Traction of Buccally Displaced Maxillary CaninesRecruitingNCT07399197Not applicable
- Comparing Methylprednisolone And Hyaluronic Acid To Reduce Wisdom Tooth Surgery ComplicationsEnrolling by invitationNCT07317596Phase 3
- Bone Regeneration Using PRF After Cyst EnucleationRecruitingNCT07424716Not applicable
- Clinical and Immunological Evaluation of HA in Treatment of PeriodontitisNot yet recruitingNCT06324474Not applicable
- Evaluation of Myobrace for Crossbite Correction in Mixed DentitionActive, not recruitingNCT07840053Not applicable
- Comparison Between the Effect of Triclosan Toothpaste and Chlorhexidine Mouthwash on Gingival Health in a Group of Fixed Orthodontic Patients: A Randomized Controlled Clinical TrialCompletedNCT07814898Phase 4
- HERMES: International Survey and Portable External Power Evaluation During Respiratory Support TransportCompletedNCT07807189
- Botulinum Toxin A for Jaw Dystonia .CompletedNCT07792798Phase 1
- Impact of Khat Chewing on Color Stability and Patient Satisfaction of Multilayer Zirconia and Feldspathic Veneer Zirconia.Active, not recruitingNCT07786272Not applicable
- Osseodensification for Narrow Alveolar Ridge ExpansionActive, not recruitingNCT07436533Not applicable
- Early Versus Late Intervention in Maxillofacial TraumaCompletedNCT07749729
- Comparative Efficacy of Therapeutic Ultrasound and Neurodynamic Techniques for Carpal Tunnel SyndromeCompletedNCT07743879Not applicable
- AI-Assisted Versus Conventional Orthodontic Diagnosis and Treatment PlanningCompletedNCT07690774
- Sellar Masses: Clinical and Imaging Features With Correlation to Histopathology and Surgical ApproachCompletedNCT07633860
- Letrozole vs. Clomiphene Citrate Plus Tamoxifen for Ovulation Induction and Pregnancy Outcomes.Active, not recruitingNCT07616973Phase 3
- Efficacy of Laser Therapy for PeriodontitisActive, not recruitingNCT07013162Not applicable
- Effect of Injectable Platelet Rich Derivatives on Orthodontic Canine RetractionCompletedNCT07408895Not applicable
- Intra-oral Evaluation of Force Decay of Pigmented and Transparent Elastomeric Power Chains:CompletedNCT07300371Not applicable
- A Comparison of Recovery After Impacted Wisdom Tooth RemovalCompletedNCT07304882Phase 3
- Autogenous Tooth Bone Graft for Alveolar Socket PreservationActive, not recruitingNCT07267637Not applicable
- Posterior Pericardiotomy for Prevention of POAF After Cardiac Surgery: RCT in YemenCompletedNCT07266935Not applicable
- Comparative (Short vs. Standard) Length Implants in Early Stability Patterns.Active, not recruitingNCT07162389Not applicable
- Effectiveness of Elastic Chains Versus Elastics in Maxillary Canine RetractionCompletedNCT07141836Not applicable
- Prophylactic Antibiotics in Groin HernioplastyCompletedNCT07111702Not applicable
- Inferior Alveolar Nerve Translocation With Dental Implant Placement in Severely Resorbed MandiblesCompletedNCT07104994Not applicable
- Early Versus Delayed Laparoscopic Cholecystectomy for Acute CholecystitisCompletedNCT07101315Not applicable
- Melanin Recurrence in Scalpel and LASER Gingival Depigmentation in Thin and Thick Phenotypes.CompletedNCT06886100Not applicable
- Condylar Position Changes in Anterior Disc Displacement with ReductionCompletedNCT06856811Not applicable
- Study of Hypertensive Population Under Treatment With Telmisartan in Real Clinical Conditions With the Goal to Control Early Morning Blood Pressure RiseCompletedNCT00946829
- Health Promotion Intervention to Reduce Child MorbidityCompletedNCT03810430Not applicable
- Treatment of Patients With Acute SinusitisCompletedNCT00930488