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ClinicalTrials.gov 6 recruiting now early-phase tilt

Pharmacokinetics: early-phase trial registry

6 of 38 indexed Pharmacokinetics trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #393 of 28,707 conditions by registered trial count.

38 US clinical trials · 6 currently recruiting · #393 of 28,707 conditions by registered trial count

Pharmacokinetics: 38 US clinical trials tracked, 6 recruiting.

Pharmacokinetics is the subject of 38 registered US clinical trials on ClinicalTrials.gov, 6 of them currently open to new participants. 5 are in Phase 3-4 (later-stage) and 27 in Phase 1-2 (earlier-stage). The most active sponsor is Mutual Pharmaceutical Company, running 2 of these trials.

Enrollment posture brief

Registry condition pharmacokinetics

OPEN 6 | RECR 16% | LATE 5 | EARLY 27 | RANK #393 | SPON 2

Nearest open-share peer: Bacterial Infections (16% recruiting · 19 trials)

Acute Leukemia55.3%Eating Disorders47.4%Food Insecurity44.7%Back Pain31.6%Pharmacokinetics (this)16%
Open-enrollment share among volume-matched conditions near Pharmacokinetics

Pharmacokinetics lists 6 open slots (16% of 38 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Pharmacokinetics on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Pharmacokinetics is recruiting below its size-band peers.

    6 of 38 indexed trials (15.8%) are open to enrollment, against a 39.7% average across 762 conditions with 20-99 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. Sponsorship of Pharmacokinetics trials is spread across many organizations.

    Mutual Pharmaceutical Company accounts for 2 of 38 trials (5.3%). 34 distinct sponsors appear on at least one study for this condition label.

  3. Most Pharmacokinetics trials plan to enrol fewer than 100 people.

    Median target enrolment is 26 among the 38 trials that report a genuine target (sentinel values excluded). 33 of those (86.8%) plan for fewer than 100 participants.

  4. Pharmacokinetics research is mostly interventional.

    35 interventional and 3 observational studies make up this index (92.1% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 126Phase 21Phase 45

Open and recent trials

38 total, page 1 of 1

RECRUITING Phase 1 400 participants

Comparing the Extent to Which Two Evolocumab Drug Products Are Made Available in the Body After a Single Subcutaneous Dose

Amgen

NCT07422285

RECRUITING Phase 1 196 participants

Phase1/2a Study for IPG7236 in Patients With Advanced Solid Tumors

Nanjing Immunophage Biotech Co.

NCT05142592

RECRUITING Phase 1 46 participants

Safety and PK of Ceftibuten-ledaborbactam Etzadroxil Fixed-dose Combination

Basilea Pharmaceutica

NCT06733675

RECRUITING Phase 4 40 participants

Liposomal Bupivacaine Versus Plain Bupivacaine After Intercostal Injections For Pain Management After Thoracoscopy

Milton S. Hershey Medical Center

NCT03737292

RECRUITING Phase 1 30 participants

High Potency Cannabis: Acute and Protracted Effects

University of California, Los Angeles

NCT06859723

RECRUITING Phase 1 30 participants

Single Dose Study, Pharmacokinetics of Oxycodone and PF614 Co-Administered With Nafamostat (PF614-MPAR-102)

Ensysce Biosciences

NCT06500793

ACTIVE NOT RECRUITING Phase 1 6 participants

A Study to Investigate Lithium Brain/Plasma Pharmacokinetics and Safety of an AL001 Oral Capsule Compared to a Marketed Immediate-release Lithium Carbonate Capsule in Healthy Adult Subjects

Alzamend Neuro

NCT06921590

COMPLETED Phase 1 600 participants

Study to Evaluate the Safety, Tolerability, and PK of Fulvestrant After IM Administration

Eagle Pharmaceuticals

NCT03324061

COMPLETED Phase 1 159 participants

Study of Selexipag and Its Metabolite ACT-333679 on Cardiac Repolarization in Healthy Male and Female Subjects

Actelion

NCT02206204

COMPLETED Phase 4 102 participants

Pharmacokinetics of Aqueous Dexamethasone

Frank A. Bucci, Jr., M.D.

NCT04667507

COMPLETED Phase 1 55 participants

Pharmacokinetics Study of Oral Rivaroxaban in Healthy Participants

Janssen Scientific Affairs

NCT01464450

COMPLETED 45 participants

Development of Voriconazole Pharmacokinetics and Metabolism in Children and Adolescents

Children's Hospital Los Angeles

NCT01976078

COMPLETED Phase 1 40 participants

Single Ascending Doses of Kratom in Healthy Nondependent Adults With Opioid Experience

Altasciences Company

NCT06072170

COMPLETED Phase 4 40 participants

Healthy and Renal Impairment Study of Colcrys (Colchicine, USP)

Takeda

NCT01084278

COMPLETED Phase 1 40 participants

PK, Safety Study of 90-Day Use of Vaginal Rings Containing Dapivirine and Levonorgestrel

International Partnership for Microbicides

NCT05041699

COMPLETED Phase 4 38 participants

Open Label Drug Interaction Study Evaluating Desvenlafaxine Succinate Sustained Release (DVS SR) 100mg On The Pharmacokinetics Of Aripiprazole When Coadministered To Healthy Subjects

Pfizer

NCT01188668

COMPLETED Early Phase 1 36 participants

Pharmacokinetics (PK) Drug Interaction Study of Milademetan and Itraconazole or Posaconazole in Healthy Participants

Daiichi Sankyo

NCT03614455

COMPLETED Phase 1 30 participants

Elafibranor Pharmacokinetic Parameters in Hepatic Impaired Patients

Genfit

NCT03765671

COMPLETED Phase 4 28 participants

Study of Drug Exposure in Systemic Circulation of Primatene Mist by Oral Inhalation, Versus Epinephrine Injection by Intramuscular Injection and ProAir by Oral Inhalation in Healthy Individuals

Amphastar Pharmaceuticals

NCT04207840

COMPLETED Phase 2 26 participants

A Multiple-Dose Study To Evaluate The Pharmacokinetics And Safety Of Voriconazole In Immunocompromised Adolescents

Pfizer

NCT00556998

COMPLETED NA 26 participants

Interaction Between Cannabidiol, Meal Ingestion, and Liver Function

Colorado State University

NCT04971837

COMPLETED Phase 1 26 participants

A Study to Determine the Effects of Itraconazole on the Pharmacokinetics (PK) of DS-8500 in Healthy Subjects

Daiichi Sankyo

NCT02790671

COMPLETED Phase 1 25 participants

Effect of Delivery Route on PK of Sufentanil NanoTab

Talphera

NCT01639729

COMPLETED Phase 1 24 participants

Effect of Ketoconazole on Regorafenib (BAY73-4506) Pharmacokinetics

Bayer

NCT01318265

COMPLETED Phase 1 24 participants

Food Effect on Ceftibuten/VNRX-7145 in Healthy Participants

Basilea Pharmaceutica

NCT05527834

COMPLETED Phase 1 24 participants

A Drug-Food Interaction Study Between Colchicine and Grapefruit Juice

Mutual Pharmaceutical Company

NCT00984009

COMPLETED Phase 1 24 participants

Drug-Drug Interaction Study Between Colchicine and Ketoconazole

Mutual Pharmaceutical Company

NCT00983216

COMPLETED Phase 1 18 participants

Pilot Study Characterizing the Pharmacokinetic Profile of a Novel Encapsulated Caffeine Beverage in the Fed and Fasted States

PepsiCo Global R&D

NCT05266248

COMPLETED 18 participants

Pharmacokinetics of Antiepileptics in Patients on CRRT

University of Maryland, Baltimore

NCT03632915

COMPLETED Phase 1 18 participants

Clinical Study to Investigate the Urinary Excretion of N-nitrosodimethylamine (NDMA) After Ranitidine Administration

Food and Drug Administration (FDA)

NCT04397445

COMPLETED Phase 1 14 participants

Relative Bioavailability of ESK-001 Tablet Versus Liquid in Healthy Participants

Alumis

NCT05330858

COMPLETED 14 participants

PET Imaging of Nicotinic Acetylcholine Receptors

National Institute on Drug Abuse (NIDA)

NCT01046513

COMPLETED Phase 1 12 participants

A Pilot Study to Evaluate the PK Profile of PrimeC-ER Tablets in Healthy Adult Subjects

NeuroSense Therapeutics

NCT05232461

COMPLETED NA 12 participants

Pharmacokinetics of Two Fatty Acid Ketone Esters

BHB Therapeutics, Ireland

NCT05686083

COMPLETED Phase 1 10 participants

A Phased Clinical Trial of Dietary Supplemental Kava: Kava Pharmacokinetics

University of Florida

NCT03843502

COMPLETED NA 8 participants

Pharmacokinetic Profile of N-Acetyl Cysteine

University of Memphis

NCT06252519

COMPLETED Phase 1 7 participants

Pharmacokinetic Study of Raltegravir in Healthy Premenopausal Women.

University of North Carolina, Chapel Hill

NCT00746499

COMPLETED Phase 1 6 participants

RI-AME Study OF [ISOTHIAZOLYL-3-14C]-LURASIDONE

Sumitomo Pharma America

NCT01082146

Phase Distribution

PhaseTrial count
Phase 1 26
Phase 2 1
Phase 4 5

Named interventions

Most-linked intervention names on Pharmacokinetics records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Colchicine Drug
3 trials
Ceftibuten Drug
2 trials
Itraconazole Drug
2 trials
Placebo Drug
2 trials
Novel ketone di-ester Dietary supplement
1 trials
C6 ketone di-ester Dietary supplement
1 trials
IPM Ring-106 Combination
1 trials
IPM Ring-105 Combination
1 trials

US sites by state

Facility locations filed on Pharmacokinetics trials. A trial with sites in several states counts in each.

Florida 7 trials
Texas 6 trials
California 6 trials
Kansas 4 trials
Wisconsin 3 trials
Tennessee 3 trials
Pennsylvania 3 trials
Oregon 3 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Pharmacokinetics page

38 registered trials, 6 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Pharmacokinetics condition card totals 38 registered trials; most-linked intervention Colchicine; top US site state Florida. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.