Investigating tonlamarsen for treating uncontrolled hypertension in adults

A Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy and Long-Term Safety of Monthly Subcutaneous Administration of Tonlamarsen in Participants With Uncontrolled Hypertension

Phase 2 Interventional Kardigan, Inc. · NCT06864104

This study is testing if a new drug called tonlamarsen can help adults with high blood pressure who haven't been able to lower it with their current medications.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment700 (estimated)
Ages18 Years to 80 Years
SexAll
SponsorKardigan, Inc. Industry-sponsored
Locations21 sites (Anniston, Alabama and 20 other locations)
Trial IDNCT06864104 on ClinicalTrials.gov

What this trial studies

This study evaluates the effectiveness of tonlamarsen in lowering blood pressure in adults who have not achieved their target blood pressure despite taking two or more antihypertensive medications. Participants will receive either tonlamarsen or a placebo to assess the drug's impact on their blood pressure levels. The study aims to determine if tonlamarsen can provide a new treatment option for those struggling with uncontrolled hypertension. It is a Phase 2 interventional trial focusing on adult patients aged 18 to 80.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 to 80 with uncontrolled hypertension despite being on 2 to 5 antihypertensive medications.

Not a fit: Patients with secondary hypertension, poor medication adherence, unstable cardiovascular disease, or significant thyroid dysfunction may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could provide a new option for patients with uncontrolled hypertension, potentially improving their blood pressure management.

How similar studies have performed: Other studies have explored similar approaches to managing hypertension, but the specific use of tonlamarsen in this context is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Key Inclusion Criteria:

* Age 18 to 80, body weight ≥ 50 kg
* Has uncontrolled hypertension while receiving between 2 and 5 antihypertensive medications prescribed for hypertension
* Has mean office seated systolic blood pressure \> 135 to ≤ 170 mmHg

Key Exclusion Criteria:

* Has known history of secondary hypertension
* Has documented history of poor adherence to antihypertensive medication
* Has unstable/underlying known cardiovascular disease
* Has abnormal thyroid function with clinical significance

Where this trial is running

Anniston, Alabama and 20 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Hypertension
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.