2026 data ClinicalTrials.gov official source

Conditions: E

Compiled by PlainTrial Editorial, Clinical Trial Intelligence Editorial Team · January 1, 2026

Every condition beginning with E that has a registered US clinical trial, with how many studies cover each.

990 conditions starting with "E"

Showing 751–800 of 990

Condition	Trials	Recruiting
Esophagoscopy Techniques	1	-
Esophagus Adenocarcinoma	1	1
Esophagus Cancer	12	6
Esophagus Squamous Cell Carcinoma	1	1
ESR1 Gene Mutation	2	2
ESRD	14	5
ESRD (End-Stage Renal Disease)	4	3
Essential Fatty Acid Deficiency	1	1
Essential Fatty Acid Deficiency (EFAD)	1	1
Essential Hypertension	9	1
Essential Thrombocythemia	17	9
Essential Thrombocythemia (ET)	2	2
Essential Thrombocytosis	3	1
Essential Tremor	42	24
Essential Tremor of the Upper Limb	1	-
Essential Tremor of Voice	1	1
Essential Tremor, Movement Disorders	3	3
Essential Tremor-plus	1	1
Esthesioneuroblastoma	4	4
Estrogen	3	1
Estrogen Deficiency	4	1
Estrogen Level	1	1
Estrogen Receptor (ER)-Positive, HER2-negative, Locally Advanced or Metastatic Breast Cancer	1	-
Estrogen Receptor and/or Progesterone Receptor Positive	1	-
Estrogen Receptor Breast Cancer	1	-
Estrogen Receptor Negative	18	2
Estrogen Receptor Positive	12	2
Estrogen Receptor Positive Tumor	2	-
Estrogen Receptor-negative Breast Cancer	5	-
Estrogen Receptor-positive Breast Cancer	17	6
Estrogen Receptor-Positive Breast Carcinoma	6	6
Estrogen Receptor-Positive, HER2-Negative Advanced Breast Cancer	1	1
Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer	2	-
Estrogen-receptor-low Breast Cancer	1	1
Estrogens	1	-
ET (Essential Thrombocythemia)	2	1
ET-MF	1	1
Ethics	4	1
Ethnic Group	1	1
Ethnic Groups	1	1
Ethnic Minority	1	1
Ethnogeriatrics	1	-
Etomidate Adverse Reaction	1	1
Euglenozoa Infections	1	1
Euploidy Rate	1	-
EUS-FNA	1	-
Eustachian Tube Dysfunction	3	1
Euthyroid Sick Syndromes	1	-
Euvolemic Hyponatremia	1	-
Evaluate Accuracy 24 Dietary Recall	1	-

Data sourced from official public datasets. See our methodology for details.