NCT01677286

Brief Summary

The tetracycline antibiotic doxycycline disrupts A beta amyloid fibrils (AB) in Alzheimer's disease, transthyretin (ATTR) amyloid fibrils in familial amyloidotic polyneuropathy, and immunoglobulin light chain (AL) amyloid fibrils in transgenic mouse models of disease. If untreated, amyloid deposits impair organ function, affecting the morbidity and mortality of patients. This single-center, twelve-month, open-label, prospective, pilot phase II study aims to determine whether doxycycline reduces amyloid deposits and improves organ function in patients with systemic or localized amyloidosis. The investigators plan to enroll patients with measurable amyloid disease according to internationally-accepted diagnostic criteria. Patients must have stable organ function at enrollment. Eligible subjects not receiving active treatments for amyloidosis affecting their kidneys, heart, aerodigestive tracts, peripheral or autonomic nervous system(s), lungs, eyes, skin, bladder, or breasts will undergo evaluations at baseline, 6 months, and 12 months - or more frequently as clinically indicated. Over 45 years experience indicates doxycycline is a safe, well tolerated antibiotic. The investigators will use standard grading systems to assess doxycycline response following twelve months of treatment.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
25

participants targeted

Target at below P25 for phase_2

Timeline
Completed

Started Jul 2012

Typical duration for phase_2

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 1, 2012

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

August 21, 2012

Completed
13 days until next milestone

First Posted

Study publicly available on registry

September 3, 2012

Completed
2.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 22, 2015

Completed
7 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 15, 2015

Completed
1.5 years until next milestone

Results Posted

Study results publicly available

June 6, 2017

Completed
Last Updated

August 1, 2017

Status Verified

July 1, 2017

Enrollment Period

2.9 years

First QC Date

August 21, 2012

Results QC Date

March 19, 2017

Last Update Submit

July 4, 2017

Conditions

Keywords

AL AmyloidosisPrimary AmyloidosisHereditary AmyloidosisFamilial AmyloidosisSSA AmyloidosisSenile Systemic AmyloidosisAA AmyloidosisSecondary AmyloidosisLocalized AmyloidosisSystemic Amyloidosis

Outcome Measures

Primary Outcomes (4)

  • Amyloid Cardiomyopathy: BNP

    Cardiac biomarkers (BNP, Troponin I) were assessed at baseline, 6 and 12 months, with change at end of study reported

    12 months

  • Amyloid Cardiomyopathy: Troponin I

    Cardiac biomarkers (BNP, Troponin I) were assessed at baseline, 6 and 12 months, with change at change at end of study reported

    12 months

  • Amyloid Nephropathy: Creatinine Clearance

    Creatinine clearance (ml/min) and proteinuria (g/day) were assessed at baseline, 6 and 12 months, with change at change at end of study reported

    12 months

  • Amyloid Nephropathy: Proteinuria

    Patients with predominant amyloid kidney involvement at enrollment.

    Data were assessed at baseline, 6 and 12 months, with change at end of study reported

Study Arms (1)

doxycycline 100 mg po bid x 12 months

EXPERIMENTAL

Open-label doxycycline 100 mg twice daily by mouth will be administered to subjects for 12 months.

Drug: Doxycycline 100 mg po bid x 12 months

Interventions

100mg by mouth twice daily for 1 year.

Also known as: CAS: 564-25-0; ATC code: J01AA02 A01AB22; PubChem: CID 11256
doxycycline 100 mg po bid x 12 months

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age 18 or older
  • Biopsy-proven amyloidosis
  • Biochemical or clinical evidence of amyloid induced end-organ dysfunction

You may not qualify if:

  • Concurrent use of other tetracyclines
  • Ongoing active treatment for amyloidosis
  • Pregnancy or unwillingness to use contraception by women of childbearing age
  • Doxycycline drug allergy/hypersensitivity
  • ECOG performance status \> 3
  • NYHA class \> 3
  • Renal insufficiency (estimated creatinine clearance \< 25 ml/min)
  • Transaminitis (AST or ALT \> 5 times upper limit of normal)
  • Diabetes mellitus or hemoglobin A1C \> 6.2%

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Boston University

Boston, Massachusetts, 02118, United States

Location

Related Publications (7)

  • Cardoso I, Merlini G, Saraiva MJ. 4'-iodo-4'-deoxydoxorubicin and tetracyclines disrupt transthyretin amyloid fibrils in vitro producing noncytotoxic species: screening for TTR fibril disrupters. FASEB J. 2003 May;17(8):803-9. doi: 10.1096/fj.02-0764com.

    PMID: 12724338BACKGROUND
  • Cardoso I, Saraiva MJ. Doxycycline disrupts transthyretin amyloid: evidence from studies in a FAP transgenic mice model. FASEB J. 2006 Feb;20(2):234-9. doi: 10.1096/fj.05-4509com.

    PMID: 16449795BACKGROUND
  • Forloni G, Colombo L, Girola L, Tagliavini F, Salmona M. Anti-amyloidogenic activity of tetracyclines: studies in vitro. FEBS Lett. 2001 Jan 5;487(3):404-7. doi: 10.1016/s0014-5793(00)02380-2.

    PMID: 11163366BACKGROUND
  • Ward JE, Ren R, Toraldo G, Soohoo P, Guan J, O'Hara C, Jasuja R, Trinkaus-Randall V, Liao R, Connors LH, Seldin DC. Doxycycline reduces fibril formation in a transgenic mouse model of AL amyloidosis. Blood. 2011 Dec 15;118(25):6610-7. doi: 10.1182/blood-2011-04-351643. Epub 2011 Oct 12.

    PMID: 21998211BACKGROUND
  • Obici L, Cortese A, Lozza A, Lucchetti J, Gobbi M, Palladini G, Perlini S, Saraiva MJ, Merlini G. Doxycycline plus tauroursodeoxycholic acid for transthyretin amyloidosis: a phase II study. Amyloid. 2012 Jun;19 Suppl 1:34-6. doi: 10.3109/13506129.2012.678508. Epub 2012 May 2.

    PMID: 22551192BACKGROUND
  • Giorgetti S, Raimondi S, Pagano K, Relini A, Bucciantini M, Corazza A, Fogolari F, Codutti L, Salmona M, Mangione P, Colombo L, De Luigi A, Porcari R, Gliozzi A, Stefani M, Esposito G, Bellotti V, Stoppini M. Effect of tetracyclines on the dynamics of formation and destructuration of beta2-microglobulin amyloid fibrils. J Biol Chem. 2011 Jan 21;286(3):2121-31. doi: 10.1074/jbc.M110.178376. Epub 2010 Nov 10.

    PMID: 21068391BACKGROUND
  • Cardoso I, Martins D, Ribeiro T, Merlini G, Saraiva MJ. Synergy of combined doxycycline/TUDCA treatment in lowering Transthyretin deposition and associated biomarkers: studies in FAP mouse models. J Transl Med. 2010 Jul 30;8:74. doi: 10.1186/1479-5876-8-74.

    PMID: 20673327BACKGROUND

MeSH Terms

Conditions

AmyloidosisImmunoglobulin Light-chain AmyloidosisAmyloidosis, FamilialAA amyloidosis

Interventions

Doxycycline

Condition Hierarchy (Ancestors)

Proteostasis DeficienciesMetabolic DiseasesNutritional and Metabolic DiseasesNeoplasms, Plasma CellNeoplasms by Histologic TypeNeoplasmsLymphoproliferative DisordersImmunoproliferative DisordersImmune System DiseasesParaproteinemiasMetabolism, Inborn ErrorsGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and Abnormalities

Intervention Hierarchy (Ancestors)

TetracyclinesNaphthacenesPolycyclic Aromatic HydrocarbonsHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsPolycyclic Compounds

Results Point of Contact

Title
John Berk, MD
Organization
Boston Medical Center

Study Officials

  • John L Berk, M.D.

    Boston University

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 2
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Director, Amyloidosis Center

Study Record Dates

First Submitted

August 21, 2012

First Posted

September 3, 2012

Study Start

July 1, 2012

Primary Completion

May 22, 2015

Study Completion

December 15, 2015

Last Updated

August 1, 2017

Results First Posted

June 6, 2017

Record last verified: 2017-07

Locations