Evidence map›Paper›PMID 33529227›Full record

ArticlePloS one2021

Short-term outcomes of pubertal suppression in a selected cohort of 12 to 15 year old young people with persistent gender dysphoria in the UK.

Polly Carmichael, Gary Butler, Una Masic, Tim J Cole, Bianca L De Stavola, Sarah Davidson, Elin M Skageberg, Sophie Khadr, Russell M Viner

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed, 4 pooled it
9.4field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

48 citing papers in PubMed, 4 syntheses or guidelines pooled it, 139 citations in OpenAlex.

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  11. Cass Review does not guide care for trans young people.The Medical journal of Australia · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 3 institutions in 1 country.

Polly CarmichaelGender Identity Development Service (GIDS), Tavistock and Portman NHS Foundation Trust, London, United Kingdom.
Gary ButlerGender Identity Development Service (GIDS), Tavistock and Portman NHS Foundation Trust, London, United Kingdom.
Una MasicGender Identity Development Service (GIDS), Tavistock and Portman NHS Foundation Trust, London, United Kingdom.
Tim J ColeUCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom.
Bianca L De StavolaUCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom.
Sarah DavidsonGender Identity Development Service (GIDS), Tavistock and Portman NHS Foundation Trust, London, United Kingdom.
Elin M SkagebergGender Identity Development Service (GIDS), Tavistock and Portman NHS Foundation Trust, London, United Kingdom.
Sophie KhadrUCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom.
Russell M VinerUCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom.ORCID 0000-0003-3047-2247
The Tavistock and Portman NHS Foundation Trust · GBUniversity College London · GBUniversity College London Hospitals NHS Foundation Trust · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIn adolescents with severe and persistent gender dysphoria (GD), gonadotropin releasing hormone analogues (GnRHa) are used from early/middle puberty with the aim of delaying irreversible and unwanted pubertal body changes. Evidence of outcomes of pubertal suppression in GD is limited.

methodsWe undertook an uncontrolled prospective observational study of GnRHa as monotherapy in 44 12-15 year olds with persistent and severe GD. Prespecified analyses were limited to key outcomes: bone mineral content (BMC) and bone mineral density (BMD); Child Behaviour CheckList (CBCL) total t-score; Youth Self-Report (YSR) total t-score; CBCL and YSR self-harm indices; at 12, 24 and 36 months. Semistructured interviews were conducted on GnRHa.

results44 patients had data at 12 months follow-up, 24 at 24 months and 14 at 36 months. All had normal karyotype and endocrinology consistent with birth-registered sex. All achieved suppression of gonadotropins by 6 months. At the end of the study one ceased GnRHa and 43 (98%) elected to start cross-sex hormones. There was no change from baseline in spine BMD at 12 months nor in hip BMD at 24 and 36 months, but at 24 months lumbar spine BMC and BMD were higher than at baseline (BMC +6.0 (95% CI: 4.0, 7.9); BMD +0.05 (0.03, 0.07)). There were no changes from baseline to 12 or 24 months in CBCL or YSR total t-scores or for CBCL or YSR self-harm indices, nor for CBCL total t-score or self-harm index at 36 months. Most participants reported positive or a mixture of positive and negative life changes on GnRHa. Anticipated adverse events were common.

conclusionsOverall patient experience of changes on GnRHa treatment was positive. We identified no changes in psychological function. Changes in BMD were consistent with suppression of growth. Larger and longer-term prospective studies using a range of designs are needed to more fully quantify the benefits and harms of pubertal suppression in GD.

Indexed as

Absorptiometry, PhotonAdolescentBone DensityChildChild BehaviorEstradiolFemaleFollicle Stimulating HormoneGender DysphoriaGonadotropin-Releasing HormoneHumansLumbar VertebraeLuteinizing HormoneMalePubertyTestosteroneEstradiolFollicle Stimulating HormoneGonadotropin-Releasing HormoneLuteinizing HormoneTestosterone

Identifiers

PMID33529227
PMCPMC7853497
OpenAlexW3127253642

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.