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NCT03949673 · ClinicalTrials.gov registry record · Phase 2

Study to Evaluate Arthroplasty Specimens for Osteoarthritis of the Knee and Hip

A Phase 2 study, sponsored by Regeneron Pharmaceuticals.

Terminated
Registry status
Phase 2
Development phase
23
Enrollment target

NCT03949673: Clinical Trial Phase 2 study, sponsored by Regeneron Pharmaceuticals.

NCT03949673 is a Phase 2 study that was terminated before completion, run by Regeneron Pharmaceuticals. The registered enrollment target is 23 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (83% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03949673, a Phase 2 study, was terminated before completion, sponsored by Regeneron Pharmaceuticals.

TERMINATED
Registry status
Phase 2
Development phase
23 participants
Enrollment target

Study Summary

The objective of this exploratory study is to evaluate the cellular and connective tissue composition of joints from patients with Osteoarthritis (OA) who have been treated with fasinumab, compared with those treated with placebo or Non-steroidal anti-inflammatory drugs (NSAIDs).

Primary Outcome

Inflammatory cells including lymphocytes, mast cells, neutrophils, and eosinophils were scored by presence and degree (None present, Slight/Mild, Moderate, Marked/Band).

Interventions

  • DRUG Placebo
  • DRUG Celecoxib
  • DRUG Naproxen
  • DRUG Diclofenac
  • DRUG Fasinumab

Trial Details

FieldValue
Enrollment Target 23 participants
Start Date 2019-04-08
Est. Completion 2020-08-25
Phase Phase 2
Regeneron Pharmaceuticals

280 total trials

Why NCT03949673 stopped before completion

NCT03949673 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 23 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (83% lower).

The record links to 0 conditions, and to 5 interventions - of which Placebo is the first listed.

NCT03949673 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03949673 about?

NCT03949673 is a clinical study titled "Study to Evaluate Arthroplasty Specimens for Osteoarthritis of the Knee and Hip". The objective of this exploratory study is to evaluate the cellular and connective tissue composition of joints from patients with Osteoarthritis (OA) who have been treated with fasinumab, compared with those treated with placebo or Non-steroidal anti-inflammatory drugs (NSAIDs).

What is the current status of trial NCT03949673?

This trial is currently terminated. It is a Phase 2 study. The enrollment target is 23 participants. The study started on 2019-04-08. Estimated completion is 2020-08-25.

What interventions are being tested in trial NCT03949673?

The interventions under investigation include: Placebo (DRUG), Celecoxib (DRUG), Naproxen (DRUG), Diclofenac (DRUG), Fasinumab (DRUG).

Who is sponsoring clinical trial NCT03949673?

This trial is sponsored by Regeneron Pharmaceuticals, which has 280 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03949673's enrollment target sits among peer trials

23 1784th of 2000 higher than 211 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03949673, the US trial registry maintained by the National Library of Medicine. NCT03949673 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.