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ClinicalTrials.gov 6 recruiting now later-stage tilt small index

Spine Fusion: later-stage trial registry

6 of 7 indexed Spine Fusion trials are currently recruiting, with more weight in Phase 3-4.

Corpus placement: #2,497 of 28,707 conditions by registered trial count.

7 US clinical trials · 6 currently recruiting · #2,497 of 28,707 conditions by registered trial count

Spine Fusion: 7 US clinical trials tracked, 6 recruiting.

Spine Fusion is the subject of 7 registered US clinical trials on ClinicalTrials.gov, 6 of them currently open to new participants. 3 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is Kuros Biosurgery, running 2 of these trials.

Enrollment posture brief

Registry condition spine-fusion

OPEN 6 | RECR 86% | LATE 3 | EARLY 0 | RANK #2497 | SPON 2

Nearest open-share peer: Adenovirus (86% recruiting · 7 trials)

Spine Fusion (this)86%ACL Tear71.4%ACL57.1%Acute Myelogenous Leukemia42.9%Acne Scars28.6%
Open-enrollment share among volume-matched conditions near Spine Fusion

Spine Fusion lists 6 open slots (86% of 7 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 Spine Fusion 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. Spine Fusion is recruiting above its size-band peers.

    6 of 7 indexed trials (85.7%) 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.

  2. One sponsor concentrates Spine Fusion research.

    Kuros Biosurgery accounts for 2 of 7 trials (28.6%). 5 distinct sponsors appear on at least one study for this condition label.

  3. Typical Spine Fusion enrolment sits around 100 participants.

    Median target enrolment is 100 among the 7 trials that report a genuine target (sentinel values excluded). 3 of those (42.9%) plan for fewer than 100 participants.

  4. Spine Fusion research is mostly interventional.

    6 interventional and 1 observational studies make up this index (85.7% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 31Phase 42

Phase Distribution

PhaseTrial count
Phase 3 1
Phase 4 2

Named interventions

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

Preoperative Genotyping Diagnostic test
1 trials
Trinity Elite Device
1 trials
MagnetOs Flex Matrix Device
1 trials
Demineralized Bone Matrix or Fibers mixed with local autograft bone Device
1 trials
MagnetOs Easypack Putty Device
1 trials
Magnesium sulfate administration Drug
1 trials
Zolpidem Tartrate 10 mg Drug
1 trials
Ketamine Drug
1 trials

US sites by state

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

California 5 trials
Washington 2 trials
Pennsylvania 2 trials
Michigan 2 trials
Virginia 1 trials
Utah 1 trials
Tennessee 1 trials
Ohio 1 trials

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

What to do with this Spine Fusion page

7 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 Spine Fusion condition card totals 7 registered trials; most-linked intervention Preoperative Genotyping; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.