This Week in Clinical Trials: Week of March 24, 2026

A data-driven snapshot of clinical trial activity across ClinicalTrials.gov — new studies posted, pipeline updates from big pharma and emerging biotech, and the Phase 3 programs actively enrolling patients right now.

At a glance

This week, ClinicalTrials.gov registered 1,031 new clinical trials while 4,402 existing studies posted status updates — reflecting protocol amendments, enrollment completions, or results filings. Across all active studies, 2,316 trials (43%) are currently recruiting patients, and 887 are in pre-enrollment, not yet recruiting.

1,031
New Trials Posted
4,402
Trials Updated
2,316
Currently Recruiting
707
Industry Recruiting
What counts as "active this week"? Any trial that was first posted or had its record last updated within the past 7 days on ClinicalTrials.gov. Updates include protocol amendments, enrollment status changes, and results filings.

Phase distribution

Early-stage research continues to dominate the registry, with Phase 1 and 2 studies making up the bulk of new and updated activity. Phase 3 confirmatory trials — the studies closest to potential approval — represent the highest-value intelligence for competitive monitoring: these are the programs that define the near-term pipeline.

Phase Trials Share
N/A 1,865
34%
Not specified 1,236
23%
Phase 2 745
14%
Phase 3 530
10%
Phase 1 501
9%
Phase 1 / Phase 2 244
4%
Phase 4 164
3%
Phase 2 / Phase 3 92
2%

Industry: who filed the most trials this week?

Among sponsor-initiated (industry) trials updated this week, the top pharma and biotech companies by trial volume give a real-time view of where R&D resources are concentrated. High volume from a single sponsor often signals a broad platform strategy — multiple indications, combinations, or geographies for a core asset.

# Sponsor Trials
1 AstraZeneca 67
2 Merck Sharp & Dohme LLC 58
3 Eli Lilly and Company 52
4 Boehringer Ingelheim 49
5 Novartis Pharmaceuticals 48
6 Pfizer 44
7 Bayer 27
8 Sanofi 25

Therapeutic area breakdown

Oncology's dominance of the clinical trial landscape is a structural feature of modern drug development, not a weekly fluctuation. The FDA's breakthrough therapy designation and accelerated approval pathways have made cancer one of the most commercially attractive areas in biopharma. Neurology and immunology are the other perennial high-activity areas, reflecting large unmet needs and biologic platform opportunities.

Oncology
29% (1,551)
Neurology
8% (422)
Cardiology
6% (307)
Immunology
4% (200)
Other / General
54% (2,953)

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Notable Phase 3 trials recruiting now

These are industry-sponsored Phase 3 trials that are actively enrolling patients and were posted or updated this week. Phase 3 studies represent confirmed commercial intent — a company has committed to pivotal trial infrastructure and is ready to put its asset in front of regulators.

NCT07487727 Kind Pharmaceuticals LLC

A Study of AND017 to Evaluate Efficacy and Safety in Patients With Anemia Due to Non-Dialysis-Dependent Chronic Kidney Disease (NDD-CKD)

Anemia Due to Chronic Kidney Disease

NCT07484217 Axsome Therapeutics, Inc.

Clinical Assessment of Response in the Treatment of Depression With Daytime Sleepiness Using Solriamfetol

Major Depressive Disorder With Excessive Daytime Sleepiness Symptoms

NCT07481747 Hudson Biotech

Efficacy and Safety of Tirzepatide Once Weekly Versus Placebo in Participants Who Are Either Obese or Overweight With Weight-Related Comorbidities (SURMOUNT-1)

Obesity, Overweight (Without Type 2 Diabetes) With Weight-related Comorbidities

NCT07482176 Adverum Biotechnologies, Inc.

Efficacy and Safety Study of Ixoberogene Soroparvovec (Ixo-vec) in Participants With Neovascular Age-related Macular Degeneration (AQUARIUS)

Neovascular Age-Related Macular Degeneration (nAMD), Wet AMD

NCT07478822 Chongqing Claruvis Pharmaceutical Co., Ltd.

A Study on Recombinant Botulinum Toxin Type A (YY001) for Injection in Multiple Treatments of Adult Upper Limb Spasticity

Upper Limb Spasticity

NCT07473973 Inozyme Pharma

ENERGY 2: Evaluation of the Efficacy and Safety of INZ-701 in Infants With ENPP1 Deficiency

Ectonucleotide Pyrophosphatase/phosphodiesterase1 Deficiency, Autosomal Recessive Hypophosphatemic Rickets (+1 more)

NCT07471477 Colgate Palmolive

Bacterial Reduction for a Manual Toothbrush With a 360-Degree Mouth Cleaner Design Versus a Standard Toothbrush

Bacterial Load Reduction

NCT07442136 Colgate Palmolive

Clinical Study to Assess the Efficacy of New Toothpaste Containing SnF as Compared to Colgate Cavity Protection Toothpaste on the Reduction of Enamel Erosion

Enamel Erosion

Source: ClinicalTrials.gov. Trials filtered to Industry sponsor, RECRUITING status, Phase 3 designation, updated within the past 7 days.  Browse all trials →

How to use this data

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