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Laminopathies’ Treatments Systematic Review: A Contribution Towards a ‘Treatabolome’



Variants in the LMNA gene, encoding lamins A/C, are responsible for a growing number of diseases, all of which complying with the definition of rare diseases. LMNA-related disorders have a varied phenotypic expression with more than 15 syndromes described, belonging to five phenotypic groups: Muscular Dystrophies, Neuropathies, Cardiomyopathies, Lipodystrophies and Progeroid Syndromes. Overlapping phenotypes are also reported. Linking gene and variants with phenotypic expression, disease mechanisms, and corresponding treatments is particularly challenging in laminopathies. Treatment recommendations are limited, and very few are variant-based.


The Treatabolome initiative aims to provide a shareable dataset of existing variant-specific treatment for rare diseases within the Solve-RD EU project. As part of this project, we gathered evidence of specific treatments for laminopathies via a systematic literature review adopting the FAIR (Findable, Accessible, Interoperable, and Reusable) guidelines for scientific data production.


Treatments for LMNA-related conditions were systematically collected from MEDLINE and Embase bibliographic databases and clinical trial registries (Cochrane Central Registry of Controlled Trials, and EudraCT). Two investigators extracted and analyzed the literature data independently. The included papers were assessed using the Oxford Centre for Evidence-Based Medicine 2011 Levels of Evidence.


From the 4783 selected articles by a systematic approach, we identified 78 papers for our final analysis that corresponded to the profile of data defined in the inclusion and exclusion criteria. These papers include 2 guidelines/consensus papers, 4 meta-analyses, 14 single-arm trials, 15 case series, 13 cohort studies, 21 case reports, 8 expert reviews and 1 expert opinion. The treatments were summarized electronically according to significant phenome-genome associations. The specificity of treatments according to the different laminopathic phenotypical presentations is variable.


We have extracted Treatabolome-worthy treatment recommendations for patients with different forms of laminopathies based on significant phenome-genome parings. This dataset will be available on the Treatabolome website and, through interoperability, on genetic diagnosis and treatment support tools like the RD-Connect’s Genome Phenome Analysis Platform.


Variants in the LMNA gene, encoding A-type lamins, are responsible for a growing number of rare monogenic diseases. A unique characteristic of the LMNA pathogenic variants is that they lead to a myriad of phenotypic expressions although they arise from the same gene. A complete explanation for this phenotypic variability still lacks at present despite the ever-growing amount of data from research [1–6]. A-type Lamins (lamins A and C) are intermediate filaments that build a meshwork at the inner face of the nuclear membrane after polymerization. They are also present in the nucleoplasm. They interact with the DNA, histones and chromatin in the nucleus, protect it from mechanical stress [7] and help in the maintenance of the nuclear shape while providing an anchorage to the endoplasmic reticulum through their interaction with other proteins like SUN1/SUN2 and the outer layers of the nuclear membrane [8].

The disorders that arise from changes to the LMNA gene have a varied phenotypic expression with more than 15 syndromes already described belonging to five phenotypic groups of pathologies, i.e. Muscular Dystrophies, Neuropathies, Cardiomyopathies, Lipo-dystrophies and Progeroid Syndromes [9]. Phenotypic overlaps are also reported between one or several laminopathic entities. The ubiquitous LMNA expression and the major role of A-type lamins in the functional organization of chromatin and the subsequent regulation of developmental genes probably play important roles in the pathophysiology of the different tissue-specific laminopathies [10]. In addition, the variable phenotypic expression arising from pathological LMNA variants could also result from epigenetic factors, modifier genes, altered expression levels and defective protein processing. Consequently, connecting gene and variants with phenotypic expression, disease mechanisms, and corresponding treatments is challenging in laminopathies. However, this approach could provide useful data to improve the guidelines and recommendations for the clinical management of these diseases, which remain under-recognized.

A recent paper on congenital myasthenia syndro-mes served as proof of concept of an innovative idea that consists of assembling a knowledge database of gene and variant-specific treatments for a significant entity group while preparing its future integration into electronic decision-support systems. This concept was baptized “Treatabolome” by the authors [11]. Subsequently, a standard methodology has been defined for other disease groups writing systematic literature reviews (SLR) of treatments in their expertise area [12]. The Treatabolome concept is developed within the Solve-RD EU project and addresses the need to identify and improve the visibility of the existing specific treatments for rare diseases. Several teams have collected gene and variant-specific treatments for different rare diseases in Findable, Accessible, Interoperable, and Reusable (FAIR)-compliant datasets [13]. This information will be freely available through the Treatabolome website to complement existing diagnostic tools and support clinical management.

The current paper is an attempt to collect know-ledge of specific treatments for laminopathies. However, since pathogenic LMNA variants may trigger varied phenotypical presentations, laminopathies do not display univocal genome-phenome relationships, thus hindering the collection of variant-specific treatments. To adapt to these circumstances, we have decided to flag significant phenome-genome associations that trigger laminopathies’ treatment recommendations.

We first collected 4783 papers through a systematic approach, then selected 78 studies reporting treatments for the diverse forms of laminopathies. From these data, we generated FAIR-compatible datasets to feed the Laminopathies’ Treatabolome knowledge base. The corresponding complete dataset is provided as a Supplementary File S1.

List of Abbreviations

ARVCArrhythmogenic Right Ventricular Cardiomyopathy
ChEBI Entities of Biological Interest
CENTRAL (Cochrane Central Registry of Controlled Trials) Cochrane Central Register of Controlled Trials (CENTRAL) is a highly concentrated source of reports of randomized and quasi-randomized controlled trials
CHADS-VASC scoreThe CHADS2 score and its updated version, the CHA2DS2-VASc score, are clinical prediction rules for estimating the risk of stroke in patients with non-rheumatic atrial fibrillation (AF), a common and serious heart arrhythmia associated with thromboembolic stroke is a database of privately and publicly funded clinical studies conducted around the world
CMD1AFamilial Dilated Cardiomyopathy, type 1A (i.e. related to LMNA)
CRT-DCardiac Rehabilitation Therapy - Defibrillator
DCMDilated cardiomyopathy
Embase www.embase.comEmbase is the most comprehensive source for biomedical literature (36 + million records) from peer reviewed journals and conference abstracts
EDMD2Emery-Dreifuss Muscular Dystrophy type 2
EudraCT (European Union Drug Regulating Authorities Clinical Trials Database) is the European database for all interventional clinical trials on medicinal products authorized in the European Union (EEA) and outside the EU/EEA if they are part of a Pediatric Investigation Plan (PIP) from 1 May 2004 onwards
EUEuropean Union
FAIRFindable, Accessible, Interoperable, and Reusable. “The principles emphasize machine-actionability (i.e., the capacity of computational systems to find, access, interoperate, and reuse data with none or minimal human intervention) because humans increasingly rely on computational support to deal with data as a result of the increase in volume, complexity, and creation speed of data” (see
FPLD2Familial Partial Lipodystrophy type 2, Dunnigan Syndrome
HGPSHutchinson-Guilford Progeria Syndrome
ICDImplantable Cardioversion Defibrillator
LMNA-CMDLMNA-related congenital muscular dystrophy
MADAMandibulo Acral Dysplasia with Type A Lipodystrophy
MEDLINE is the U.S. National Library of Medicine® (NLM) premier bibliographic database that contains more than 26 million references to journal articles in life sciences with a concentration on biomedicine. A distinctive feature of MEDLINE is that the records are indexed with NLM Medical Subject Headings (MeSH®)
OEBML Evidence-Based Medicine Level
PCOSPolycystic Ovary Syndrome
PRISMA http://www.prisma-statement.orgPRISMA is an evidence-based minimum set of items for reporting in systematic reviews and meta-analyses.
PROSPERO from the University of York, UK, that accepts registrations for systematic reviews, rapid reviews and umbrella reviews.
PubMed® comprises more than 30 million citations for biomedical literature from MEDLINE, life science journals, and online books.
RD-ConnectThe RD-Connect Project was a multidisciplinary project running from 2012 to 2018 that united partners from the EU and beyond to create an integrated global infrastructure for Rare Disease research.
SLRSystematic literature review
Solve-RD https://www.solve-rd.euEuropean research project aiming to solve the NGS-unsolved rare disease cases
TreatabolomePublicly-available database of gene and variant-specific treatments, to be designed within the Solve-RD project


Published treatments for LMNA-related conditions were collected and appraised following a research question shared by all Treatabolome systematic literature reviews [12]: “What treatments have been described for this condition/gene/variant; on which specific genetic variants have they been tested; and what is the strength of the associated supporting evidence?”. This review follows the recommendations from the Cochrane Collaboration systematic reviews handbook [14] and the Centre for Reviews and Dissemination, namely by adopting the Systematic Review Protocol template of the PROSPERO tool [15]. The reporting of our findings follows the PRISMA reporting guidelines [16].

Search methods

We have searched the Cochrane Central Registry of Controlled Trials, and EudraCT ( for clinical trials on LMNA-related diseases treatments. Simultaneously, we accessed MED-LINE and Embase through PubMed to extract any publications on the same subject. We did not impose a starting date for data collection that has included all references up to 31/12/2019. The searches were made in English, French, Spanish, Italian and Portuguese. We ran recurrent searches with the same search strategy that consisted of de-duplicating independent searches by each one the following expressions (all fields): “LMNA”, “Lamin A/C”, “A type Lamin”, “Lamin A”, “Lamin C” and “Laminopathy OR Lam-inopathies”.

The search results were then reviewed by title and abstract, followed by a selective full-text data extraction. Inclusion and exclusion criteria are listed in Table 1. An electronic data capture form was built for this purpose by one of the authors (AA) using Filemaker Pro version 12 Software. This form was inspired by a publicly-available template from the Cochrane Collaboration Project [17] and followed the Methodological Expectations of Cochrane Intervention Reviews - the MECIR Standards [18]. We also complied with the Treatabolome Systematic Reviews’ Methodology paper [12].

Table 1

Inclusion and exclusion criteria

Inclusion CriteriaExclusion Criteria
Papers with any report of clinical use of a treatment for a LMNA gene-related disease, from single case reports to meta-analysisPapers reporting preclinical treatments for LMNA gene-related diseases


The PRISMA flowchart (see Fig. 1) details the publication numbers at each stage of our selection.

Fig. 1

Laminopathies’ Treatabolome PRISMA Flow Diagram.

Laminopathies’ Treatabolome PRISMA Flow Diagram.

After applying the described search strategy in PubMed, the initial starting number of papers was 11376 and the number went down to 4741 after de-duplication of entries with the following number of references for each search term:

  • LMNA”: 1536 references

  • “Lamin A/C”: 2585 (932 duplicates eliminated: 1653)

  • “A type Lamin”: 3213 (2145 duplicates eliminated: 1068)

  • “Lamin A”: 2891 (2587 duplicates eliminated: 304)

  • “Lamin C”: 450 (437 duplicates eliminated: 13)

  • “Laminopathy OR Laminopathies”: 701 (534 duplicates eliminated: 167).

We then added 42 papers from additional sources (mainly expert bibliography references, besides, EudraCT and Cochrane Library), reaching 4783 references eligible for Title/Abstract screening. At this stage, we excluded 624 references, mainly because they were unrelated to the LMNA gene. We full-text reviewed 4159 papers. We excluded 4081 papers, mainly for not addressing treatment findings or presenting only preclinical therapies in animal models and/or cell-culture experiments (see inclusion and exclusion criteria in Table 1). At the end of the process, 78 articles ended up in the qualitative analysis. These papers include 2 guidelines/consensus papers, 4 meta-analyses, 14 single-arm trials, 15 case series, 13 cohort studies, 21 case reports, 8 expert reviews and 1 expert opinion.

Two investigators extracted and analyzed the literature data independently. The treatments were summarized electronically according to significant phenome-genome associations. A complete list of the reported treatments is provided in Table 2.

Table 2

Summary of reported laminopathy treatments

Treatment or intervention databaseTreatment or intervention nameTreatment or intervention IDMain PhenotypePubmed #
ChEBICorticosteroidCHEBI: 50858LMNA-CMD26034236
MeSHAnesthesia (Total Intravenous Anesthesia TIVA)D000758EDMD222973525
MeSHImplantable Cardiac Defibrillator (ICD)D017147CMD1A23811080, 17605093, 29173404, 26835025, 23946316, 22019351, 30287275, 12854972, 18926329, 30482687, 15551023, 22281253, 31155932, 28696268, 20627339, 23483212, 26385533, 30586772, 30518714, 15598919, 27993908, 27884249, 17605093, 29173404, 26835025, 23946316, 22019351, 30287275, 12854972, 18926329, 30482687, 15551023, 22281253, 31155932, 28696268, 20627339, 23483212, 26385533, 30586772, 30518714, 15598919, 27993908
MeSHTransplant (heart)D019737CMD1A31060954, 30287275, 18926329, 30482687
MeSHCatheter AblationD017115CMD1A31060954, 29759522, 27506821
MeSHCardiac Pacing, ArtificialD002304CMD1A26620845
MeSHCRT-D Cardiac Resynchronization TherapyD058406CMD1A30891417
ChEBIAnticoagulationCHEBI: 50249CMD1A30191544, 30518714, 23073275
MeSHrt-PA (alteplase)D010959CMD1A30191544, 30518714, 23073275
MeSHPercutaneous atrial appendage occlusionD020517; Q000601£CMD1A29570041
ChEBIInsulinCHEBI: 145810FPLD221168376
ChEBIPioglitazoneCHEBI: 8228FPLD218728124
ChEBIPioglitazoneCHEBI: 8228FPLD218728124
MetforminCHEBI: 6801
FlutamideCHEBI: 5132
ChEBIPioglitazoneCHEBI: 8228FPLD217936664
MetforminCHEBI: 6801
ChEBIPioglitazoneCHEBI: 8228FPLD219249234
MetforminCHEBI: 6801
InsulinCHEBI: 145810
ChEBIFenofibrateCHEBI: 5001FPLD219249234
ChEBINicotinamideCHEBI: 17154FPLD212766116
ChEBIRosiglitazoneCHEBI: 50122FPLD216241930, 22274718, 14510863
ChEBILiraglutideCHEBI: 71193FPLD229044799
MeSHRoux en Y Gastric BypassD015390FPLD227778252
MeSHNoninvasive VentilationD063087FPLD217893350, 19418082
ChEBILeptin (Metreleptin Myalept)CHEBI: 81571FPLD2 with hypoleptinemia19727665, 31135595, 31194872, 30296183, 26584826, 25734254, 27710244, 30370487, 31620670, 24926953, 27692500, 30990519, 27207511, 31300002, 30539782, 23439261, 15791619, 22068254, 29644599, 27642538, 30805888, 29267953
MeSHSurgery, PlasticD013518FPLD221561824, 21306965
ChEBITroglitazone (No market authorization for safety reasons)CHEBI: 9753FPLD210929166
ChEBILonafarnibCHEBI: 47097HGPS23012407, 29710166
ChEBILonafarnibCHEBI: 47097HGPS27400896
PravastatinCHEBI: 63618
Zoledronic acidCHEBI: 46557
ChEBIAlendronic acid / biphosphonates in generalCHEBI: 2567HGPS27400896
ChEBIGrowth Hormone (GH)CHEBI: 37845HGPS31199775, 17642424, 9258264

CMD1A: Familial Dilated Cardiomyopathy, type 1A; EDMD2: Autosomal Dominant Emery-Dreifuss Muscular Dystrophy 2; FPLD2: Familial Partial Lipodystrophy, Dunningan Type; HGPS: Hutchinson-Gilford Progeria Syndrome; LMNA-CMD: LMNA-related congenital muscular dystrophy. £D020517 code for atrial appendage, Q000601 qualifier for surgery, no qualifier was found for percutaneous procedures.

The specificity of treatments according to the different LMNA-related diseases is variable. Some therapeutic approaches are specific for a unique phenotypical presentation. Others apply for laminopathic phenotypes that share a common clinical feature, as it happens regarding the risk of cardiac arrhythmia and sudden death, present both in cardiomyopathies and in several other phenotypic groups of laminopathies. The Tables 3 to 4, specific of laminopathic phenotypes, are ordered according to the alphabetic order of the treatment or intervention names.

Table 3

LMNA-related muscular syndromes treatment

PubmedRef.Clinical diagnosis ORDOORPHA codeType of studyOCEBMNumber LMNA patientsHGVS cDNAHGVS proteinTreatment databaseTreatment or intervention nameTreatment or intervention IDClinical effectComments
22973525Schuster et al., 2012 [90]EDMD298853Case report51NANAMeSHAnesthesia (Total Intravenous Anesthesia TIVA)D000758largesafe in this patient, presumed LMNA from phenotype
30518714Wang et al., 2019 [91]EDMD298853Expert review5NANANAChEBIAnticoagulationCHEBI: 50249largeprevention of stroke
26034236Moraitis et al., 2015 [31]LMNA-CMD157973Case report51c.91_93p.Glu31delChEBICorticosteroidCHEBI: 50858smallmotor improvement
17605093Antoniades et al., 2007 [34]EDMD298853Case series415c.908_909p.Ser303MeSHICDD017147largesudden cardiac death prevention
30518714Wang et al., 2019 [91]EDMD298853Expert review5NANANAMeSHICDD017147largeprevention of stroke

EDMD2: Autosomal Dominant Emery-Dreifuss Muscular Dystrophy 2; LMNA-CMD: LMNA-related Congenital Muscular Dystrophy.

Table 4

LMNA-related sudden cardiac death preventive treatment

PubmedRef.Clinical diagnosis ORDOORPHA codeType of studyOCEBM evidenceNumber of LMNA patientsHGVS cDNAHGVS proteinTreatment or intervention databaseTreatment or intervention nameTreatment or intervention IDClinical effectComments
23073275van Rijsingen et al., 2013 [50]CMD1A300751Case-control study376NANAChEBIAnticoagulationCHEBI: 50249largeNA
30191544Homma et al., 2018 [92]CMD1A300751Case report51NANAChEBIAnticoagulationCHEBI: 50249largeNA
27506821Kumar et al., 2016 [49]CMD1A300751Cohort study425NANAMeSHCatheter AblationD017115moderateNA
29759522Roberts et al., 2017 [48]CMD1A300751Case report51c.979C > Gp.Leu327ValMeSHCatheter AblationD017115moderateNA
31060954Hasebe et al., 2019 [46]CMD1A300751Cohort study46IVS3–10A > Gp.?p.Asp272MeSHCatheter AblationD017115moderatetransient effects
815_818 delinsAlafsX203
26620845Kato et al., 2016 [36]CMD1A300751Case series42c.2T > Ap.Met1?MeSHCardiac Pacing, ArtificialD002304smalldoes not prevent sudden cadiac death
ARVD293910c.1542G > Ap.Trp514*
30891417Rudbeck-Resdal et al., 2019 [93]CMD1A300751Case report51c.1411C.Tp.Arg471CysMeSHCRT-D Cardiac Resynchronization TherapyD058406moderateNA
12854972MacLeoad et al., 2003 [94]CMD1A300751Case report51c.908_909delCTp.Ser303MeSHICDD017147largeNA
15598919Desai et al., 2004 [95]CMD1A300751Meta-analysis11854NANAMeSHICDD017147largeNA
15551023van Berlo et al., 2005 [32]CMD1A300751Meta-analysis1299NANAMeSHICDD017147largeNA
18926329Pasotti et al., 2008 [38]CMD1A300751Cohort study494NANAMeSHICDD017147largeNA
20627339Meune et al., 2011 [96]CMD1A300751Cohort study419NANAMeSHICDD017147largeNA
26835025Charron et al., 2012 [40]CMD1A300751Expert review5NANANAMeSHICDD017147largeNA
22019351Keller et al., 2012 [35]CD1A300751Case report51c.367_369delAAGp.Lys123delMeSHICDD017147largeNA
22281253van Rijsingen et al., 2012 [41]CMD1A300751Case series3149NANAMeSHICDD017147largeNA
23811080Anselme et al., 2013 [42]CMD1A300751Case series447c.16C > Tp.Gln6*MeSHICDD017147largeInnapropriate shocks
c.748G > Cp.Arg249Pro
c.1129C > Tp.Arg377Cy
c.1130G > Ap.Arg377His
c.1145G > Ap.Arg482Gl
c.1589T > Cp.Leu530Pro
23946316Disertori et al., 2013 [43]CMD1A300751Expert review5NANANAMeSHICDD017147largeNA
23483212Ng &Kaye, 2013 [97]CMD1A300751Case report51NANAMeSHICDD017147largeNA
27884249Kumar et al., 2016 [45]CMD1A300751Cohort study487NANAMeSHICDD017147largeNA
26385533Olde Nordkampe et al., 2016 [88]CMD1A300751Meta-analysis1462NANAMeSHICDD017147largeICD implantation carries a significant risk of inappropriate shocks and in hospital &post discharge complications in relatively young patients with inherited arrhythmia syndromes
29173404Atteya et al., 2017 [98]CMD1A300751Expert review5NANANAMeSHICDD017147largeNA
27993908Golwhala et al., 2017 [99]CMD1A300751Meta-analysis11854NANAMeSHICDD017147largeNA
28696268Halliday et al., 2017 [44]CMD1A300751Expert review5NANANAMeSHICDD017147largeNA
30586772Kusumoto et al., 2019 [100]CMD1A300751Cohort study1NANANAMeSHICDD017147largeNA
30287275Kwapich et al., 2019 [101]CMD1A300751Case-control study458c.139G > Tp.Asp47TyrMeSHICDD017147largeNA
c.310C > Gp.Leu104Val
c.398G > Tp.Arg133Leu
c.448A > Gp.Thr150Ala
c.467G > Ap.Arg156His
c.481G > Ap.Glu161Lys
c.694G > Cp.Gly232Arg
c.751C > Tp.Gln251*
c.949G > Ap.Glu317Lys
c.1157G > Cp.Arg386Thr
c.1315C > Tp.Arg439Cys
c.1357C > Tp.Arg453Trp
c.1444C > Tp.Arg482Trp
c.1445G > Ap.Arg482Gln
c.1445G > Tp.Arg482Leu
c.1930C > Tp.Arg644Cys
30482687Peters et al., 2019 [47]CMD1A300751Expert review5NANANAMeSHICDD017147largeNA
31155932Wahbi et al., 2019 [39]CMD1A300751Cohort study3444NANAMeSHICDD017147largeinnapropriate implantation of ICD
29570041De Roeck et al., 2019 [102]CMD1A300751Case report51c.235C > Gp.Leu85ValMeSHpercutaneous atrial appendage occlusionD020517 SUlargeNA
23360689Chen et al., 2013[51]CMD1A300751Case report51c.513 + 1 G > Ap.Lys152LysMeSHrt-PA (alteplase)D010959largeNA
18926329Pasotti et al., 2008 [38]CMD1A300751Observational study394NANAMeSHTransplant (heart)D019737largeNA
31060954Hasebe et al., 2019 [46]CMD1A300751Cohort study46IVS3–10A > Gp.?MeSHTransplant (heart)D019737largeNA
815_818 delinsp.Asp272
30287275Kwapich et al., 2019 [101]CMD1A300751Case-control study358c.139G > Tp.Asp47TyrMeSHTransplant (heart)D019737largeNA
c.310C > Gp.Leu104Val
c.398G > Tp.Arg133Leu
c.448A > Gp.Thr150Ala
c.467G > Ap.Arg156His
c.481G > Ap.Glu161Lys
c.694G > Cp.Gly232Arg
c.751C > Tp.Gln251*
c.949G > Ap.Glu317Lys
c.1157G > Cp.Arg386Thr
c.1315C > Tp.Arg439Cys
c.1357C > Tp.Arg453Trp
c.1444C > Tp.Arg482Trp
c.1445G > Ap.Arg482Gln
c.1445G > Tp.Arg482Leu
c.1930C > Tp.Arg644Cys
30482687Peters et al., 2019 [47]CMD1A300751Expert review5NANANAMeSHTransplant (heart)D019737largeNA

ARVD: Familial isolated arrhythmogenic ventricular dysplasia, right dominant form; CMD1A: Familial dilated cardiomyopathy with conduction defect due to LMNA mutation; FPLD2: Familial Partial Lipodystrophy, Dunnigan Type.

Treatabolome data for LMNA-related muscular phenotypes

The LMNA-related muscular phenotypes comprise a range of muscular dystrophies, i.e., the congenital muscular dystrophy (LMNA-CMD) [19], the Emery-Dreifuss muscular dystrophy (EDMD2) [20] and the Limb-Girdle Muscular Dystrophy type 1B [21]. These LMNA-muscular dystrophies differ in the age at onset of the muscular symptoms, the degree of joint contractures, when present, and, the severity, progression rate and topology of muscle wasting and weakness. But they all share a common feature, i.e. a life-threatening cardiac disease characterized by conduction and/or rhythm defects associated with dilated cardiomyopathy resulting in a high frequency of cardiac sudden death [1]. Of note, the cardiac involvement of LMNA-related muscular phenotypes is highly similar to the isolated LMNA-related cardiomyopathy presentation (CMD1A) [22, 23].

Currently, there are no specific treatments for LMNA related muscle weakness/wasting. Those treatments are common to all muscular dystrophies and neuropathies and, for that reason, are not included in the LMNA Treatabolome dataset. However, a frequent question asked by physicians following these patients pertains the management of joint contractures. Early joint contractures observed in the LMNA-related Emery-Dreifuss disease, which are not necessarily linked to muscle deficit, may benefit from direct surgical procedures when severe or responsible for high disability [24]. The most common joint contractures localizations are Achilles tendons, elbows and post-cervical muscles. There is published evidence on the surgical management of severe extension deformity of the cervical spine associated or not with scoliosis [24, 25] and also of severe upper extremity contractures. These were treated successfully with contracture release and musculotendinous lengthening [26] that improved range of motion without a significant sacrifice of strength. This literature is however limited. Some peri- or postoperative complications have been reported [27] and these patients should be managed by specific anesthetic and per operatory protocols [25, 28–30], preceded by careful full-spine analysis and preoperative evaluation.

In the case of LMNA-related congenital muscular dystrophy, there is scarce evidence that ste-roid therapy may bring some motor improvement [31]. Nevertheless, it has been included in our Treatabolome dataset but with a weak evidence-level (see Table 3). We have additional entries whose treatment is related to prevention of sudden cardiac death and that were included in Table 3, as the main phenotype is muscular. The prevention of sudden cardiac death is quite similar whether skeletal muscle is present or not (see Table 4).

Treatabolome data for LMNA-related sudden cardiac death prevention

A major LMNA-associated clinical problem is represented by the phenotypes that induce the risk of sudden cardiac death due to malignant arrhythmia (Table 4). Phenotypically, these arise either as isolated dilated cardiomyopathy or dilated cardiomyopathy associated with skeletal muscular dystrophy [32]. In principle, all laminopathies involving heart muscle bear a risk of cardiac arrhythmia and sudden death as demonstrated in a 2005 meta-analysis [32] and on published case series as well [33–37]. It is also established that mutations leading to haploinsufficiency (nonsense, indel, truncating insertions/deletions and splice site) carry the highest risk of sudden cardiac death [38]. An updated list of these mutations is supplied as Supplementary File S2. Defining the precise risk level has fueled different risk models published in the literature [39–45]. The different papers converge on an agreement that pacing does not prevent sudden cardiac death occurrence and the need for early cardiac defibrillator implantation (with or without resynchronization therapy) to improve patient’s vital prognosis. The treatment does not delay progression to heart failure though, and when arrhythmia occurs under the latter condition, only cardiac transplantation extends survival [46]. Early referral for heart transplant is therefore advised in laminopathies [47].

There is evidence of some efficacy of radiofrequency catheter ablation for ventricular tachyarrhythmias [48, 49], which should delay referral to heart transplantation.

Atrial fibrillation and other atrial arrhythmias are common manifestations of laminopathies. They have been associated with high risk of stroke and other cardioembolic complications, therefore requiring the systematic use of curative anticoagulation, regardless to CHADS-VASC score [45, 50, 51].

Treatabolome data for LMNA-related lipodystrophies

The LMNA-related lipodystrophies central entity is the Familial Partial Lipodystrophy Type 2, also known as Dunnigan type lipodystrophy. It is characterized by loss of subcutaneous adipose tissue from the trunk, buttocks and limbs and accumulation of fat around face, neck, pelvis and axillae coexisting with muscle hypertrophy later accompanied by metabolic perturbations such as hypertriglyceridemia, low HDL cholesterol, hepatic steatosis, insulin-resistant diabetes, and early atherosclerosis. The phenotype is more marked in females, who also frequently develop ovarian hyperandrogenia leading to hirsutism, menstrual disturbances and decreased fertility [52]. A prevalence of the Dunnigan syndrome below 1/100 000 was reported, but is probably underestimated, since partial lipodystrophy is largely underdiagnosed [53, 54]. LMNA-related lipodystrophies are the most common forms of genetic lipodystrophies in Europe. In the great majority of cases they are inherited in an autosomal dominant fashion. The characteristic hotspot results from heterozygous mutations at the 482nd codon of the gene (p.Arg482Trp/Gln or Leu). However, other LMNA pathogenic variants can be found rarely as well, that may lead to typical partial lipodystrophic syndromes or mixed laminopathic phenotypes [55, 56].

These patients have severe cardiovascular risk through atherosclerosis. Female patients may suffer from Polycystic Ovarian Syndrome (PCOS), associated with reduced fertility, hirsutism and menstrual disturbances. Due to the multiple comorbidities associated with LMNA-related lipodystrophic syndromes, patients require multidisciplinary management. The first-line management of diabetes and dyslipidemia mainly follows the general population’s guidelines, with dietary and lifestyle rules being fundamental. No cure is available for lipodystrophy itself (Table 5).

Table 5

LMNA-related lipodystrophic syndromes treatment

PubmedRef.Clinical diagnosis ORDOORPHA codeType of studyOCEBM evidenceNumber of LMNA patientsHGVS cDNAHGVS proteinTreatment or intervention databaseTreatment or intervention nameTreatment or intervention IDClinical effectBiomarker Effect$Comments
23073275van Rijsingen et al., 2013 [50]CMD1A300751Case-control study376NANAChEBIAnticoagulantCHEBI: 50249largeNANA
27506821Kumar et al., 2016 [49]CMD1A300751Cohort study425NANAMeSHCatheter AblationD017115moderateNANA
12766116Herbst et al., 2003 [103]FPLD22348Case series413NANAChEBIFenofibrateCHEBI: 5001NAmoderateNA
17642424Sadeghi-Nejad et al., 2007 [84]HGPS740Case report51c.1822G > Ap.G608SChEBIGrowth HormoneCHEBI: 37845smallNANA
9258264Abdenur et al., 1997 [85]HGPS740Case series43NANAChEBIGrowth Hormone; Nutritional InterventionCHEBI: 37845smallNAdoes not stop athero-sclerosis
15598919Desai et al., 2004 [95]CMD1A300751Meta-analysis1###NANAMeSHICDD017147largeNANA
23483212Ng &Kaye, 2013 [97]CMD1A300751Case report51NANAMeSHICDD017147largeNANA
27884249Kumar et al., 2016 [45]CMD1A300751Cohort study487NANAMeSHICDD017147largeNANA
27993908Golwala et al., 2017 [99]CMD1A300751Meta-analysis1###NANAMeSHICDD017147largeNANA
31155932Wahbi et al., 2019 [39]CMD1A300751Cohort study3444NANAMeSHICDD017147largeNAinnapropriate implantation of ICD
21168376Cardona-Hernandez et al., 2011 [104]FPLD22348Case series51c.29C > Tp.Thr10IleuChEBIInsulinCHEBI: 145810largelargeNA
15791619Javor et al., 2005 [105]FPLD22348Case series42NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallmoderateNA
19727665Chong et al., 2010 [70]FPLD22348Observational study348NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmallNA
22068254Chan et al., 2011 [106]FPLD22348Case series419NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallmoderateNA
23439261Safar Zadeh et al., 2013 [107]FPLD22348Cohort study327NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallmoderateNA
24926953Joseph et al., 2014 [108]FPLD22348Cohort study582NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmallNA
25734254Diker-Cohen et al., 2015 [71]FPLD22348Cohort study431c.1444C > Tp.Arg482TrpChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmallNA
c.1445G > Ap.Arg482Gln
c.1445G > Tp.Arg482Leu
27642538Ajluni et al., 2016 [109]FPLD22348Cohort study423NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmallNA
27710244Brown et al., 2016 [63]FPLD22348Expert review5NANANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmallNA
27207511Schlogl et al., 2016 [110]FPLD22348Cohort study59NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmallNA
26584826Vatier et al., 2016 [72]FPLD22348Case-control study49NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmallNA
27692500Vatier et al., 2017 [111]FPLD22348Cohort study1016NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallmoderateNA
30370487Akinci et al., 2018 [69]FPLD22348Expert opinion5NANANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmallNA
29644599Brown et al., 2018 [112]FPLD22348Cohort study466NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallmoderateNA
29267953Hussain et al., 2018 [113]NANACohort study47c.29C > Tp.T10IChEBILeptin (Metreleptin Myalept)CHEBI: 81571smalllargeNA
31620670Kinzer et al., 2019 [114]FPLD22348Cohort Study45NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmallNA
30990519Lee et al., 2019 [115]FPLD22348Cohort study442NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallmoderateNA
31135595Melvin et al., 2019 [116]FPLD22348Expert review5NANANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmallNA
30805888Oral et al., 2019 [117]FPLD22348Cohort study441NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smalllargeNA
30539782Puschel et al., 2019 [118]FPLD22348Cohort study410NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmallNA
31194872Sekizkardes, et al., 2019 [75]FPLD22348Cohort study422c.1444C > TpArg482TrpChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmallNA
c.1445G > Ap.Arg482Gln
c.IVS8 + 5G > Cp.Ileu497Valfs*20
c.1543A > Gp.Lys515Glu
c.1662G > Cp.Arg541Pro
c.1751G > Ap.Arg584His
30296183Vatier et al., 2019a [76]FPLD22348Case series41c.1444C > Tp.Arg482TrpChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmalloestrogens contra-indicated
31300002Vatier et al., 2019b [119]FPLD22348Cohort study410NANAChEBILeptin (Metreleptin Myalept)CHEBI: 81571smallsmallNA
29044799Banning et al., 2017 [62]FPLD22348Case report51c.1445G > Ap.Arg482GlnChEBILiraglutideCHEBI: 71193smalllargeNA
12766116Herbst et al., 2003 [103]FPLD22348Case series413NANAChEBINicotinamideCHEBI: 17154NAsmallNA
17893350Hegele et al., 2007 [65]FPLD22348Case series42c.1445G > Ap.Arg482GlnMeSHNoninvasive VentilationD063087moderatemoderateNA
19418082Patel et al., 2009 [66]FPLD22348Case report51c.1445G > Ap.Arg482GlnMeSHNoninvasive VentilationD063087moderatelargeNA
18728124Gambineri et al., 2008 [64]FPLD22348Case report42c.1445G > Ap.Arg482GlnChEBIPioglitazone 30 mg/dCHEBI: 8228moderateNANA
17936664Moreau et al., 2007 [59]FPLD22348Case report51NANAChEBIPioglitazoneCHEBI: 8228smalllargeNA
MetforminCHEBI: 6801
18728124Gambineri et al., 2008 [64]FPLD22348Case report42c.1445G > Ap.Arg482GlnChEBIPioglitazone 30 mg/d; Metformin 1700 mg/d; Flutamide 250 mg/dCHEBI: 5132moderateNANA
19249234Collet-Gaudillat et al., 2009 [60]FPLD22348Case report51NANAChEBIPioglitazoneCHEBI: 8228smalllargeNA
MetforminCHEBI: 6801
InsulinCHEBI: 45810
14510863Owen et al., 2003 [58]FPLD22348Case report51c.1444C > Tp.Arg482TrpChEBIRosiglitazoneCHEBI: 50122smallNANA
16241930Ludtke et al., 2005 [120]FPLD22348Case report51c.1444C > Tp.Arg482TrpChEBIRosiglitazoneCHEBI: 50122smallmoderateNA
22274718Luedtke et al., 2012 [61]FPLD22348Cohort study35c.1444C > Tp.Arg482TrpChEBIRosiglitazoneCHEBI: 50122smallmoderateNA
c.1445G > Ap.Arg482Gln
27778252Grundfest-Broniatowski et al., 2017 [121]FPLD22348Case report51c.1444C > Tp.Arg482TrpMeSHRoux en Y Gastric BypassD015390moderateNANA
23360689Chen et al., 2013 [51]CMD1A300751Case report51c.513 + 1G > Ap.Lys171LysMeSHrt-PA (alteplase)D010959largeNANA
+ splice defect ?
21561824Calderoni et al., 2011 [67]FPLD22348Case report51NANAMeSHSurgery, PlasticD013518moderateNANA
21306965Hughes et al. 2011 [68]FPLD22348Case report51NANAMeSHSurgery, PlasticD013518moderateNANA
10929166Arioglu et al., 2000 [57]FPLD22348Cohort study37NANAChEBITroglitazoneCHEBI: 9753smallsmallNA

FPLD2: Familial Partial Lipodystrophy, Dunnigan Type; CMD1A: Familial dilated cardiomyopathy with conduction defect due to LMNA mutation. $Biomarkers effects are indicated only in this table V, as some were reported only for these class of phenotypes/symptoms/treatments. # # #Not possible to find how many patients with LMNA-related disease were reported in these meta-analyses.

Rare studies report the effects of nonspecific antidiabetic medications such as metformin, thiazolidinediones and glucagon-like peptide-1 (GLP-1) receptor agonists, and insulin in some patients with LMNA-related lipodystrophies. Usually, these are case reports of different combinations with low evidence level. One open-label prospective trial with the thiazolidinedione troglitazone, which is withdrawn from the market since 2000, found that the drug lowered HbA1C levels in FPLD patients [57]. Additional anecdotal evidence exists from case reports [58–61] regarding thiazolidinediones (pioglitazone, rosiglitazone) in different associations with insulin and/or metformin, that improve metabolic markers (leptin levels, HbA1C levels, insulin sensitivity), but could exacerbate faciocervical fat accumulation [58]. To note, all thiazolidinediones were withdrawn from the market in France, so checking locally their availability is advisable. GLP-1 receptor agonists have shown promises as a glucose-lowering therapy in a case report [62].

Lipid-lowering drugs are also used in accordance to guidelines for the general population in LMNA-related lipodystrophies [63].

A case report has shown that thiazolidinediones could improve PCOS in women with FPLD2 [64]. Obstructive Sleep Apnea Syndrome is a known complication of LMNA-related lipodystrophies that should benefit from Non-Invasive Ventilation as treatment [65, 66]. We suspect that more systematic sleep studies in these populations will potentially disclose sleep disturbed breathing as a frequent feature. Dunnigan lipodystrophy syndrome is also a stigmatizing disease and plastic surgery can be useful for some patients (liposuction of lipohypertrophic areas and/or reconstructive procedures for lipoatrophic areas). A few case reports have described such surgical treatments [67, 68]. Bariatric surgery [69] has been occasionally used in cases of Dunnigan syndrome associated with obesity.

LMNA-related lipodystrophic syndromes, especially when lipoatrophic features are prominent, are associated with decreased leptin levels which contribute to the metabolic alterations and their associated comorbidities. The hormone replacement therapy’s efficiency using the orphan drug Metre-leptin, a recombinant leptin agonist, has not been studied in placebo-controlled studies. Still, several reports suggest that Metreleptin can be useful to improve glucose and lipid homeostasis and decrease hepatic steatosis in lipodystrophic syndromes, at least partly independently from its anorexigenic effects. Leptin-replacement therapy with Metreleptin has been assessed in two single-arm open-label trials [70–75]. They addressed heterogeneous populations with different genome-phenome associations, and Metreleptin seems to have some benefit in low-leptin populations in reducing triglycerides. Raised triglycerides are associated with cardiovascular risk and incidence of acute pancreatitis in these patients. No risk reduction figures of such outcomes are provided, though. A practice guideline reaches similar treatment recommendation for Metreleptin [63] as well as some case series and reports [72, 75, 76]. Although Metreleptin is more efficient in generalized than partial lipodystrophy, it could be useful in Dunnigan lipodystrophy, especially when metabolic alterations are severe and leptin levels very low at baseline [63, 71].

The increased cardiovascular risk in lipodystrophy should also lead to early screening and treatment of atherosclerotic events and rhythm and conduction disturbances. This has been mentioned in case reports, but specific recommendations are needed. [56].

Treatabolome data for LMNA-related progeroid syndromes

Although some progeroid syndromes still do not have a specific Orpha code, that is not the case of the archetypal LMNA-related progeroid presentation Hutchinson-Guilford Progeria Syndrome (HGPS) [77, 78]. It is an accelerated ageing developmental disorder that affects children at a young age, markedly reducing their life expectancy. Despite being born in apparent health, affected children fail to thrive before the first year of life and go on to develop the characteristic features that spare the cognitive development and that result in early cardiovascular death from a heart attack or stroke [79, 80]. Treatments described for the condition are summarized in Table 6.

Table 6

LMNA-related progeroid syndromes treatment

PubmedRef.Clinical diagnosis ORDOORPHA codeType of studyOCEBMNumber LMNA patientsHGVS cDNAHGVS proteinTreatment or intervention nameTreatment or intervention IDClinical effect
17935239Kosho et al., 2007 [87]MADA90153Case report51c.1585G > Ap.Ala529ThrAlendronic acid biphosphonates in generalCHEBI: 2567small
31199775Toni et al., 2019 [122]HGPS740Case report51c.433G > Ap.Glu145LysGrowth HormoneCHEBI: 37845small
17642424Sadeghi-Nejad et al., 2007 [84]HGPS740Case report51c.1822G > Ap.Gly608SerGrowth HormoneCHEBI: 37845small
9258264Abdenur et al., 1997 [85]HGPS740Case series43NANAGrowth Hormone; Nutritional Intervention (= no code)CHEBI: 37845small
23012407Gordon et al., 2012 [81]HGPS740Cohort study326c.1824C > Tp.Gly608GlyLonafarnibCHEBI: 47097small
29710166Gordon et al., 2018 [82]HGPS740Cohort study363c.1824C > Tp.Gly608GlyLonafarnibCHEBI: 47097small
27400896Gordon et al., 2016 [83]HGPS740Cohort study337c.1824C > Tp.Gly608GlyLonafarnibCHEBI: 47097;small
PravastatinCHEBI: 63618
Zoledronic acidCHEBI: 46557

MADA: Mandibulo Acral Dysplasia Type A with Lipodystrophy; HGPS: Hutchinson-Gilford Progeria Syndrome.

Two clinical trials involving a farnesyl transferase inhibitor, named lonafarnib, have risen great expectations. The initial 2012 trial (, NCT02579044) enrolled 26 subjects and was a non-randomized controlled trial [81]. At the conclusion, treated patients had improved weight, vascular stiffness, bone structure and audiological state. The treatment seemed to have a beneficial effect on survival but the findings were limited by the observational design [82]. A second trial (Clinical, NCT00879034) involving 37 patients followed, employing a combination of lonafarnib, pravastatin and zoledronic acid in which comparisons with lonafarnib monotherapy treatment revealed additional bone mineral density benefit [83]. There was no added cardiovascular benefit, leaving small hope that such an approach can improve survival. There is an ongoing Phase I/II trial combining lonafarnib and everolimus that estimates enrolling 80 patients and being completed by December 2021 (, NCT02579044).

Growth hormone (GH) has been mentioned as a treatment that may favor growth in HGPS patients. An initial 3 cases report of GH and nutritional therapy as well as a more recent case report suggest that it brings mild transient benefits [84, 85]. A mixed case with empty sella has found no improvement in long term outcome [86]. The evidence, therefore, remains weak for recommending this therapy in HGPS.

Finally, a case report of LMNA-related case of Mandibulo Acral Dysplasia (MADA) recommends bisphosphonates to prevent the clastic activity with a rationale based on mechanism, so with a low level of evidence supporting the suggestion [87]. This entity is sometimes found in association with lipodystrophy.


The current systematic literature review of the Treatabolome pilot study research question (“What treatments have been described for this condition/gene/variant; on which specific genetic variants have they been tested; and what is the strength of the associated supporting evidence?”) did not provide any accessible list of LMNA variant-specific treatments. As an example, LMNA variants reported as “malignant” because of their association with a high risk of sudden cardiac death require the same cardiological management as “unlabelled” variants, as they share the same potential risk. However, we could identify a list of inactivating mutations conferring a major risk of sudden cardiac death (Supplementary File S2). We recommend having in mind that although many papers based the assertion of variant pathogenicity on existing functional studies, a sizeable number have not indicated what scientific validation has been done for some of the previously undescribed variants. Keep in mind that variants reported in our Supplementary File S2 and this paper may have less than complete evidence regarding their pathogenicity.

In LMNA-triggered conditions, the specific treatment indications thus rather relate to significant genome-phenotype pairings. The evidence regarding these pairings are summarised in Tables 3 (LMNA-related muscular phenotypes treatment), 4 (Sudden Cardiac Death Prevention), 5 (LMNA-related lipodystrophy treatment) and 6 (LMNA-related progeroid syndrome treatment). Regarding the corresponding gene and variant information, we have included reported variants from case reports and series and some genetic hotspots for several diseases, bearing in mind there is no variant-specific relationship with the listed treatments.

Our view is that the data assembled in our tables are of relevance for the Treatabolome database. A growing number of non-specialized clinicians gain access to genetic results and the Treatabolome database provides fundamental information for the management of patients. The integration of a treatment-related early warning system in the context of the genetic diagnosis tools has the potential to reduce management delays and to improve standards of care for patients with rare diseases.

Regarding the risk of sudden cardiac death, al-though superficially solved by a blanket indication of implantation of a defibrillator, the timing and risk assessment for that therapy have yet to achieve a clear consensus. The use of a “risk factors” approach, derived from the study by van Rijsingen et al. [41], has been implemented in the European and North American guidelines from cardiology scientific societies on sudden death prevention. A recent publication [39] has proposed an algorithm that is available as an online calculator ( and could reduce the risk for patients to die suddenly, along with the number of patients having unnecessary device placements. It is also noticeable that although life-saving, implantable cardioversion defibrillators (ICD) have unpleasant side-effects when patients receive inappropriate shocks. A meta-analysis estimates that about a fifth of patients have these complications [88] and analysis continues on the mechanisms that originate this unwanted side effect of treatment. This requires that a risk stratification strategy is clearly laid down, namely for asymptomatic candidates. Overall, the ratio between the benefit and risk of prophylactic ICD placements appear to be extremely favorable in the very arrhythmogenic condition and we recommend using the online tool developed as described by Wahbi et al. [39] to assess the risk of sudden cardiac death prior to ICD implantation. The risk factors were identified in cardiology tertiary centers’ LMNA patients, some of whom with neuromuscular involvement. The score was derived from a French nationwide cohort including all phenotypes, so one can reasonably conclude that the resulting sudden death risk stratification applies to any LMNA variant carriers. Therefore, we believe that it improves patient selection for implantation of ICD. Still, we recognize a limitation in Wahbi et al. paper’s approach [39] because it has not been specifically addressed whether the clinical presentation (myopathy, neuropathy, lipodystrophy...) influences the risk for cardiac events beyond the genetic and cardiac risk factors, although the authors intend to study this in the future.

Another clear point is that pacing is inadequate for these patients and should be replaced by ICD [33]. Cardiac Rehabilitation Therapy coupled with defibrillator (CRT-D) may support patients awaiting transplant and is a valid treatment option [39, 41, 42] but its wide use is limited by this population’s modest cardiac function response to CRT. There is no specific arrhythmogenic phenotype linked to the LMNA gene or its variants but general cardiological guidance for anticoagulation applies also in these cases.

In LMNA-related lipodystrophies, diet and exercise have to be strongly encouraged for prevention and treatment of metabolic complications. Nonspecific antidiabetic and lipid lowering treatments are largely used, and the numerous comorbidities (liver disease, cardiovascular risk, polycystic ovary syndrome, muscular symptoms, morphological and psychological consequences of the disease) require a multidisciplinary care. There was some success in reducing triglyceride levels and improving insulin resistance and glucose parameters by administering the orphan drug Metreleptin in patients with low leptin levels and severe metabolic alterations.

The literature about Progeroid Syndromes includes two non-randomized non-blinded controlled studies on the use of a farnesyl transferase inhibitor, lonafarnib, either in monotherapy or in association with pravastatin and zoledronic acid. The results show that weight, vascular stiffness, bone structure and audiological state (and bone density in the association trial) improve, but little or no effect on survival was observed. Reports on the use of Growth Hormone (GH) and nutritional measures unfortunately show only a transient advantage.


We have performed a systematic literature review to extract ‘uploadable’ data for Treatabolome data-set and to trigger the discussion on information management of laminopathies treatments. The corresponding dataset will integrate the Treatabolome platform and will be shared with interoperable data platforms like the Genome-Phenome Analysis Platform (, allowing its incorporation in this and other clinical support tools. As examples of platforms that may consider looking into how to make interoperability with Treatabolome happen in the future, we have considered OPALE [89] the National French Registry for Laminopathies, UMD-LMNA (available at, LOVD (available at and CMDIR (available at We are confident that others will arise in time, as the treatment component of all rare diseases is a concern of researchers, clinicians and patients alike.


This publication is part of the Solve-RD project ( The Solve-RD project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 779257.

The authors of this publication are members of the European Reference Network for Neuromuscular Diseases - Project ID N° 870177.


None to declare.




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