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AzTrials

ATTR-CM (Transthyretin Amyloid Cardiomyopathy)RV-CAMNCT07784712

Right Ventricular Septal Biopsy to Detect Cardiac Amyloidosis

An observational study of ATTR-CM (Transthyretin Amyloid Cardiomyopathy) and Heart Failure, run by Geisinger Clinic.

Not yet recruiting

Opening soon. The study is approved but enrolment has not started yet. Sites may already take enquiries.

Sites and contacts
Official record
Search all trials

Trial summary

People eligible for this study have had the suggestion from their doctor to receive a cardiac pacemaker or defibrillator to treat a cardiac condition as part of their routine care. Read more about this study

Who is it for?
Ages 50 to 105 years
How many people
70 participants
Where
No sites listed yet
Study dates
Oct 2026to Aug 2028
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 50 to 105 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Patients who are receiving a cardiac device as standard of care in the Geisinger Health System

Who may be able to join

  • Age≥65(or 50-64 with hereditary-ATTR risk: family history of ATTR or known TTR variant)
  • Patients with an indication for permanent pacemaker or CRT or ICD device
  • Patients willing to comply with all study procedures and be available for the duration of the study. And any one of the following:
  • Diagnosis of atrial fibrillation or sinus node dysfunction Diagnosis of AV block Heart failure with preserved ejection fraction Heart failure with reduced ejection fraction Evidence for infiltrative cardiomyopathy Unexplained renal insufficiency Peripheral neuropathy Family h/o cardiomyopathy Family h/o peripheral neuropathy Carpal tunnel syndrome, unprovoked tendon rupture Hip or knee arthroplasty Unexplained RV or LV wall thickening on echocardiogram Unexplained, persistent low-level elevation of cardiac troponins Unexplained orthostatic hypotension Discordance between QRS voltage on ECG and wall thickness on echo Black race Spinal stenosis IVS thickness ≥ 1.2cm (by TTE or cardiac MRI)

Who cannot join

  • Inability to provide informed consent
  • Pregnant
  • Enrolled in a concurrent study that may confound the results of this study

Trial locations and contacts

No sites are listed yet. Contact the study team or a site near you to ask about taking part.

Grace Hughes, BS, MPH contact

570-808-3461

gehughes@geisinger.edu

About this study

Official title: Right Ventricular Septal Biopsy to Detect Cardiac Amyloidosis in At-Risk Population: A Prospective Study

People eligible for this study have had the suggestion from their doctor to receive a cardiac pacemaker or defibrillator to treat a cardiac condition as part of their routine care. We are doing this study to understand if obtaining a tissue sample from their body during a device implant may assist in the early diagnosis of Transthyretin Cardiac Amyloidosis (ATTR-CM).

Read the detailed description

The aim of our study is to assess the feasibility of using chest wall fat-pad biopsy and endomyocardial biopsy in early diagnosis of ATTR-CM in at-risk patients undergoing permanent pacemaker implantations.

Specific Objectives:

  • To assess the incidence of ATTR-CM in at-risk patients undergoing permanent pacemaker implantation
  • To develop a workflow for the diagnosis of ATTR-CM in pacemaker-indicated patients
  • To assess the utility of chest wall fat pad biopsy from the pacemaker pocket in the diagnosis of amyloidosis
  • To assess the utility of endomyocardial biopsy at the time of pacemaker implant in the diagnosis of ATTR-CM in an at-risk population

The study team will enroll 70 patients who satisfy inclusion and exclusion criteria. The study team will assess the incidence of amyloidosis and the utility of chest wall fat-pad biopsy, endomyocardial biopsy and deep septal biopsy in the diagnosis of amyloidosis.

Keywords
cardiac amyloidosis, cardiac device
Medical subject headings
Heart Failure, Amyloid Neuropathies, Familial

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Cardiac biopsy results

    • ATTR-CM positive results of fat-pad biopsy, endomyocardial biopsy, and deep septal biopsy
    • Overall percentage of positive results in this high-risk population

    Measured: From enrollment to the end of treatment at 15-21 months.

Secondary outcomes (1)
  1. Safety Events

    Safety events (i.e., pericardial tamponade)

    Measured: From enrollment to the end of treatment at 15-21 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted25 Aug 2026
  2. Study startOct 2026 (estimated)
  3. Primary completionApr 2028 (estimated)
  4. Study completionAug 2028 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case only
Time perspective
Prospective
Enrolment
70 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07784712
Sponsor's protocol ID
2026-0781
Other IDs
Clinic Research Fund
Acronym
RV-CAM
Status last verified
Aug 2026
First submitted
21 Aug 2026
Last updated
25 Aug 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No: This study is to assess feasibility of biopsy in a patient population specifically at Geisinger.

Publications

  • Morishita K, Fujiu K, Yamagata K, Amiya E, Takeda N. Right ventricular myocardial biopsy with a guiding catheter for conduction system pacing during pacemaker implantation revealed transthyretin cardiac amyloidosis. HeartRhythm Case Rep. 2024 Jun 19;10(9):635-638. doi: 10.1016/j.hrcr.2024.06.008. eCollection 2024 Sep. No abstract available.

    PubMed 39355814
  • Zhang C, Musikantow DR, Pugliese DN, Mitter SS, Koruth J, Moss N, Mancini DM, Dukkipati SR, Reddy VY, Miller MA. Chest-Wall Adipose Tissue Excisional Biopsy During Pacemaker or Defibrillator Implantation: New Technique to Diagnose Amyloidosis. J Am Coll Cardiol. 2022 Jul 5;80(1):93-94. doi: 10.1016/j.jacc.2022.05.002. No abstract available.

    PubMed 35772920
  • Vijayaraman P, Chelu MG, Curila K, Dandamudi G, Herweg B, Mori S, Jastrzebski M, Sharma PS, Shivkumar K, Tung R, Upadhyay G, Vernooy K, Welter-Frost A, Whinnett Z, Zanon F, Ellenbogen KA. Cardiac Conduction System Pacing: A Comprehensive Update. JACC Clin Electrophysiol. 2023 Nov;9(11):2358-2387. doi: 10.1016/j.jacep.2023.06.005. Epub 2023 Aug 16.

    PubMed 37589646
  • Chung MK, Patton KK, Lau CP, Dal Forno ARJ, Al-Khatib SM, Arora V, Birgersdotter-Green UM, Cha YM, Chung EH, Cronin EM, Curtis AB, Cygankiewicz I, Dandamudi G, Dubin AM, Ensch DP, Glotzer TV, Gold MR, Goldberger ZD, Gopinathannair R, Gorodeski EZ, Gutierrez A, Guzman JC, Huang W, Imrey PB, Indik JH, Karim S, Karpawich PP, Khaykin Y, Kiehl EL, Kron J, Kutyifa V, Link MS, Marine JE, Mullens W, Park SJ, Parkash R, Patete MF, Pathak RK, Perona CA, Rickard J, Schoenfeld MH, Seow SC, Shen WK, Shoda M, Singh JP, Slotwiner DJ, Sridhar ARM, Srivatsa UN, Stecker EC, Tanawuttiwat T, Tang WHW, Tapias CA, Tracy CM, Upadhyay GA, Varma N, Vernooy K, Vijayaraman P, Worsnick SA, Zareba W, Zeitler EP. 2023 HRS/APHRS/LAHRS guideline on cardiac physiologic pacing for the avoidance and mitigation of heart failure. Heart Rhythm. 2023 Sep;20(9):e17-e91. doi: 10.1016/j.hrthm.2023.03.1538. Epub 2023 May 20.

    PubMed 37283271
  • Witteles RM, Bokhari S, Damy T, Elliott PM, Falk RH, Fine NM, Gospodinova M, Obici L, Rapezzi C, Garcia-Pavia P. Screening for Transthyretin Amyloid Cardiomyopathy in Everyday Practice. JACC Heart Fail. 2019 Aug;7(8):709-716. doi: 10.1016/j.jchf.2019.04.010. Epub 2019 Jul 10.

    PubMed 31302046
  • Mohammed SF, Mirzoyev SA, Edwards WD, Dogan A, Grogan DR, Dunlay SM, Roger VL, Gertz MA, Dispenzieri A, Zeldenrust SR, Redfield MM. Left ventricular amyloid deposition in patients with heart failure and preserved ejection fraction. JACC Heart Fail. 2014 Apr;2(2):113-22. doi: 10.1016/j.jchf.2013.11.004.

    PubMed 24720917
  • Gonzalez-Lopez E, Gallego-Delgado M, Guzzo-Merello G, de Haro-Del Moral FJ, Cobo-Marcos M, Robles C, Bornstein B, Salas C, Lara-Pezzi E, Alonso-Pulpon L, Garcia-Pavia P. Wild-type transthyretin amyloidosis as a cause of heart failure with preserved ejection fraction. Eur Heart J. 2015 Oct 7;36(38):2585-94. doi: 10.1093/eurheartj/ehv338. Epub 2015 Jul 28.

    PubMed 26224076
  • Kittleson MM, Maurer MS, Ambardekar AV, Bullock-Palmer RP, Chang PP, Eisen HJ, Nair AP, Nativi-Nicolau J, Ruberg FL; American Heart Association Heart Failure and Transplantation Committee of the Council on Clinical Cardiology. Cardiac Amyloidosis: Evolving Diagnosis and Management: A Scientific Statement From the American Heart Association. Circulation. 2020 Jul 7;142(1):e7-e22. doi: 10.1161/CIR.0000000000000792. Epub 2020 Jun 1.

    PubMed 32476490
  • Nguyen FD, Rodriguez M, Krittanawong C, Witteles R, Lenihan DJ. Misconceptions and Facts About Cardiac Amyloidosis. Am J Cardiol. 2021 Dec 1;160:99-105. doi: 10.1016/j.amjcard.2021.08.045. Epub 2021 Oct 3.

    PubMed 34610875
  • Hartnett J, Jaber W, Maurer M, Sperry B, Hanna M, Collier P, Patel DR, Wazni OM, Donnellan E. Electrophysiological Manifestations of Cardiac Amyloidosis: JACC: CardioOncology State-of-the-Art Review. JACC CardioOncol. 2021 Oct 19;3(4):506-515. doi: 10.1016/j.jaccao.2021.07.010. eCollection 2021 Oct.

    PubMed 34729522
  • Lane T, Fontana M, Martinez-Naharro A, Quarta CC, Whelan CJ, Petrie A, Rowczenio DM, Gilbertson JA, Hutt DF, Rezk T, Strehina SG, Caringal-Galima J, Manwani R, Sharpley FA, Wechalekar AD, Lachmann HJ, Mahmood S, Sachchithanantham S, Drage EPS, Jenner HD, McDonald R, Bertolli O, Calleja A, Hawkins PN, Gillmore JD. Natural History, Quality of Life, and Outcome in Cardiac Transthyretin Amyloidosis. Circulation. 2019 Jul 2;140(1):16-26. doi: 10.1161/CIRCULATIONAHA.118.038169. Epub 2019 May 21.

    PubMed 31109193
  • Gillmore JD, Damy T, Fontana M, Hutchinson M, Lachmann HJ, Martinez-Naharro A, Quarta CC, Rezk T, Whelan CJ, Gonzalez-Lopez E, Lane T, Gilbertson JA, Rowczenio D, Petrie A, Hawkins PN. A new staging system for cardiac transthyretin amyloidosis. Eur Heart J. 2018 Aug 7;39(30):2799-2806. doi: 10.1093/eurheartj/ehx589.

    PubMed 29048471
  • Grogan M, Scott CG, Kyle RA, Zeldenrust SR, Gertz MA, Lin G, Klarich KW, Miller WL, Maleszewski JJ, Dispenzieri A. Natural History of Wild-Type Transthyretin Cardiac Amyloidosis and Risk Stratification Using a Novel Staging System. J Am Coll Cardiol. 2016 Sep 6;68(10):1014-20. doi: 10.1016/j.jacc.2016.06.033.

    PubMed 27585505

Questions about this trial

What is this clinical trial studying?

An observational study of ATTR-CM (Transthyretin Amyloid Cardiomyopathy) and Heart Failure, run by Geisinger Clinic.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: opening soon, as of the sponsor's last update on 25 Aug 2026. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Grace Hughes, BS, MPH (570-808-3461, gehughes@geisinger.edu), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Cardiac biopsy results (time frame: From enrollment to the end of treatment at 15-21 months.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT07784712, which also lists 13 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 25 Aug 2026.

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