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Didier Bessis is an expert in Dermatology at University Hospital of Montpellier (France). As of October 2026, ScienceLeadR ranks Didier Bessis in the top 1% of experts worldwide for Congenital Abnormalities and Sexually Transmitted Diseases. Didier Bessis has authored 489 publications, the most recent in 2026, and is an investigator in 17 clinical trials, 4 of them ongoing. SLR score: 1,434 (community average: 125). How the SLR is computed.

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Didier Bessis University Hospital of Montpellier France
1 434 ScienceLeadR Reputation 1434

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Dermatology

Subspecialties: Genetics - Pediatrics - Neurology

Full career – Last 3 years

Main Topics

Publications and Clinical Studies

Publications – Clinical Studies

Profile data updated on

Expert Rankings

Top experts on the MeSH terms this expert works on

Organizations

Career arc: 1993 - 2026
Source: PubMed

Hôpital Saint Eloi

Publications Synthesis

Sources: PubMed, OpenAlex

Number : 489

Citations

Citations: 8 464 1st author: 62 Last author: 119 Unique author: 7

Main journals

Ann Dermatol Venereol 140
Br J Dermatol 49
Acta Derm Venereol 26
J Am Acad Dermatol 26
Rev Med Interne 22

Best Journals

Lancet 1
Nat Genet 1

Breakdown by type

Click a legend label to hide or show it in the chart.

Latest Publications

5 most recent indexed articles

Source: Pubmed

Title Journal Year Citations
Palmar involvement in adult dermatomyositis: A French multicenter cohort.
PMID 42935945 — dermatomyositis, connective tissue diseases, myositis		JAAD Int20260
Peripheral vasomotor symptoms: Expanding the phenotype of GNA11-related capillary malformations.
PMID 42755085 — sexually transmitted diseases, capillaries, mosaicism, phenotype, skin diseases, signs and symptoms		J Eur Acad Dermatol Venereol20260
Germline POLE variant with constitutional mismatch-repair deficiency-like skin features and associated high-grade gliomas in a child.
PMID 42468069 — skin, sexually transmitted diseases, dna mismatch repair, glioma, dermatology, child		Ann Dermatol Venereol20260
Cutis Tricolor-Like Pigmentary Mosaicism in Mowat-Wilson Syndrome: Phenotypic Overlap With Ruggieri-Happle Syndrome.
PMID 42289242 — mosaicism, skin diseases, dermatology		Pediatr Dermatol20260
Novel Postzygotic Variants Associated With Hypomelanosis of Ito Expand the ACTB-Related Neurocutaneous Disease Spectrum.
PMID 42206741 — hypopigmentation, phenotype, neurodevelopment		Clin Genet20260

Clinical Studies 17

Sources: ClinicalTrials, EU CTIS

Synthesis

Principal Investigator: 2 Study Director: 2

By phase:

N/A 10
Phase 2 4
Phase 3 3

By status:

Completed 8
Recruiting 4
Unknown 4
Active not recruiting 1

By type:

Interventional 10
Observational 7

By Monocentric/Multicentric:

monocentric 9
multicentric2to4 1
multicentric5to9 1
multicentricup10 6

Main Topics

Cohort/Consortium Investigators 3

Ongoing Clinical Trials

4 ongoing trials started since 2021, where this expert is an investigator

Source: ClinicalTrials

Study Phase Status Start
A research study to find out if the study treatment alpelisib (BYL719) is safe for a long period of time for who has confirmed diagnosis of PIK3CA related overgrowth spectrum (PROS)
2023-508522-95-00 — safety, diagnosis, research, therapeutics		Phase 2Active not recruiting2022
A Long Term Extension Study to Learn More About the Safety of Litifilimab (BIIB059) Injections and Whether They Can Improve Symptoms of Adult Participants Who Have Active Cutaneous Lupus Erythematosus (CLE) (AMETHYST LTE)
2023-504863-17-00 — injections, lupus erythematosus, cutaneous, safety, signs and symptoms, therapeutics, antimalarials		Phase 3Recruiting2024
EPIK P4 A Phase II single arm study to assess the efficacy safety and pharmacokinetics of alpelisib (BYL719) in pediatric and adult patients with PIK3CA related overgrowth spectrum (PROS)
2024-519960-42-00 — safety, pharmacokinetics		Phase 2Recruiting2025
Genomic Study of Cutis Tricolor
NCT06073171 — skin, genes, blood, blood specimen collection, premedication, biopsy, skin diseases, exome, edetic acid, lidocaine		N/ARecruiting2024

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Sources: PubMed, OpenAlex, ClinicalTrials, EU CTIS