How many clinical trials are there for Waterpipe Size?

PlainTrial tracks 1 US clinical trials for Waterpipe Size, of which 0 are currently recruiting.

Which interventions appear most often on Waterpipe Size trial records?

Waterpipe size is the most-linked intervention name on Waterpipe Size records (1 trial links). Names are sponsor-reported on ClinicalTrials.gov.

How do I find a recruiting trial for Waterpipe Size?

Use the trial list filtered by Recruiting status, or visit the trial finder to search by condition and state. Always discuss with your healthcare provider.

Is this data current?

Data is from ClinicalTrials.gov. Trial status may have changed. Always verify at ClinicalTrials.gov before making participation decisions.

Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.

ClinicalTrials.gov enrollment closed small index

Waterpipe Size clinical trials

Compiled by PlainTrial · August 8, 2026

A small indexed set (1 trial) with no open enrollment listed right now.

Corpus placement: #11,370 of 28,707 conditions by registered trial count.

Browse conditions → How counts are built

1 US clinical trials · none currently recruiting · #11,370 of 28,707 conditions by registered trial count

Waterpipe Size: 1 US clinical trial tracked, none currently recruiting.

Waterpipe Size is the subject of 1 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. The most active sponsor is The University of Texas at Arlington, running 1 of these trials.

Enrollment posture brief

Registry condition waterpipe-size

Volume-matched condition peers

Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)

Open-enrollment share among volume-matched conditions near Waterpipe Size

Waterpipe Size has no open enrollment in this registry pull (1 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Waterpipe Size 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.

Waterpipe Size is recruiting below its size-band peers.

0 of 1 indexed trials (0%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

Indexed trials (enrollment closed)

1 total, page 1 of 1

COMPLETED NA 40 participants

Effect of Waterpipe Size on Smoking Behavior and Exposures

The University of Texas at Arlington

NCT05705375

Phase Distribution

Phase data not available

Top Sponsors

The University of Texas at Arlington 1 trials

Named interventions

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

Waterpipe size Other

1 trials

US sites by state

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

Texas 1 trials

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

Read our methodology - how this data is sourced, computed, and verified.

What to do with this Waterpipe Size page

1 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

No Waterpipe Size trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
The University of Texas at Arlington sponsors the most Waterpipe Size trials on record, review their full trial history before evaluating a specific study. See The University of Texas at Arlington's trials
Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

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 Waterpipe Size condition card totals 1 registered trials; most-linked intervention Waterpipe size; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.