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NCT03548415 · ClinicalTrials.gov registry record · Phase 2

Safety, Tolerability, and Efficacy of IONIS-GHR-LRx in Participants With Acromegaly Being Treated With Long-acting Somatostatin Receptor Ligands

A Phase 2 study, sponsored by Ionis Pharmaceuticals.

Completed
Registry status
Phase 2
Development phase
43
Enrollment target

NCT03548415: Completed Phase 2 study, sponsored by Ionis Pharmaceuticals.

NCT03548415 is a Phase 2 study that has completed, run by Ionis Pharmaceuticals. The registered enrollment target is 43 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (68% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03548415, a Phase 2 study, has completed, sponsored by Ionis Pharmaceuticals.

COMPLETED
Registry status
Phase 2
Development phase
43 participants
Enrollment target

Study Summary

The purpose of this study was to assess the safety, tolerability, and efficacy of IONIS-GHR-LRx in up to 60 participants with acromegaly.

Primary Outcome

IGF-1 is a hormone that manages the effects of growth hormone (GH) in the body. Percent change from Baseline in IGF-1 levels was measured at Day 141. Baseline was defined as the last non-missing value prior to the first administration of Study Drug (ISIS 766720 or placebo). A negative percent change from Baseline indicated improvement. To perform a meaningful assessment of the pharmacodynamic (PD) activity of ISIS 766720, the lower dose groups (60 mg and 80 mg) and higher dose groups (120 mg and

Interventions

  • DRUG Placebo
  • DRUG IONIS-GHR-LRx

Trial Details

FieldValue
Enrollment Target 43 participants
Start Date 2018-09-13
Est. Completion 2021-04-02
Phase Phase 2
Ionis Pharmaceuticals

76 total trials

What the finished NCT03548415 record still lists

NCT03548415 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 43 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (68% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT03548415 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03548415 about?

NCT03548415 is a clinical study titled "Safety, Tolerability, and Efficacy of IONIS-GHR-LRx in Participants With Acromegaly Being Treated With Long-acting Somatostatin Receptor Ligands". The purpose of this study was to assess the safety, tolerability, and efficacy of IONIS-GHR-LRx in up to 60 participants with acromegaly.

What is the current status of trial NCT03548415?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 43 participants. The study started on 2018-09-13. Estimated completion is 2021-04-02.

What interventions are being tested in trial NCT03548415?

The interventions under investigation include: Placebo (DRUG), IONIS-GHR-LRx (DRUG).

Who is sponsoring clinical trial NCT03548415?

This trial is sponsored by Ionis Pharmaceuticals, which has 76 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03548415's enrollment target sits among peer trials

43 1332nd of 2000 higher than 662 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 NCT03548415, the US trial registry maintained by the National Library of Medicine. NCT03548415 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.