Safety and Effect of Doxycycline in Patients With Amyloidosis
A Phase II Study of Doxycycline in Patients With Amyloidosis
1 other identifier
interventional
25
1 country
1
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
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_2
Started Jul 2012
Typical duration for phase_2
1 active site
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
CompletedFirst Submitted
Initial submission to the registry
August 21, 2012
CompletedFirst Posted
Study publicly available on registry
September 3, 2012
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 22, 2015
CompletedStudy Completion
Last participant's last visit for all outcomes
December 15, 2015
CompletedResults Posted
Study results publicly available
June 6, 2017
CompletedAugust 1, 2017
July 1, 2017
2.9 years
August 21, 2012
March 19, 2017
July 4, 2017
Conditions
Keywords
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
EXPERIMENTALOpen-label doxycycline 100 mg twice daily by mouth will be administered to subjects for 12 months.
Interventions
100mg by mouth twice daily for 1 year.
Eligibility Criteria
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
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: 12724338BACKGROUNDCardoso 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: 16449795BACKGROUNDForloni 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: 11163366BACKGROUNDWard 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: 21998211BACKGROUNDObici 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: 22551192BACKGROUNDGiorgetti 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: 21068391BACKGROUNDCardoso 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
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- John Berk, MD
- Organization
- Boston Medical Center
Study Officials
- PRINCIPAL INVESTIGATOR
John L Berk, M.D.
Boston University
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