Evidence map›Paper›PMID 39964439›Full record

SynthesisOrthopadie (Heidelberg, Germany)2025

Intra-articular injections of hyaluronic acid versus plasma rich in growth factors (PRGF) for knee osteoarthritis: a meta-analysis of randomised controlled trials : A meta-analysis.

Filippo Migliorini, Nicola Maffulli, Gennaro Pipino, Madhan Jeyaraman, Swaminathan Ramasubramanian, Naveen Jeyaraman

Abstract readComparative StudyMeta-Analysis
PubMed Publisher
In one paragraph

Synthesis in Orthopadie (Heidelberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 4 pooled it
–field-weighted citation impact
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

7 citing papers in PubMed, 4 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Intra-articular hyaluronic acid injections for hip osteoarthritis: a level I systematic review.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2025
    Pooled it
  5. Review
  6. Article
  7. Article
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

6 authors.

Filippo MiglioriniDepartment of Orthopaedic and Trauma Surgery, Academic Hospital of Bolzano (SABES-ASDAA), 39100, Bolzano, Italy. migliorini.md@gmail.com.ORCID http://orcid.org/0000-0001-7220-1221
Nicola MaffulliDepartment of Trauma and Orthopaedic Surgery, Faculty of Medicine and Psychology, University La Sapienza, 00185, Roma, Italy.
Gennaro PipinoDepartment of Orthopaedic and Trauma Surgery, Villa Erbosa Hospital, San Raffaele University, Bologna, Italy.
Madhan JeyaramanDepartment of Orthopaedics, ACS Medical College and Hospital, Dr MGR Educational and Research Institute, 600077, Chennai, Tamil Nadu, India.
Swaminathan RamasubramanianDepartment of Orthopaedics, Government Medical College, Omandurar Government Estate, 600002, Chennai, Tamil Nadu, India.
Naveen JeyaramanDepartment of Orthopaedics, ACS Medical College and Hospital, Dr MGR Educational and Research Institute, 600077, Chennai, Tamil Nadu, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionThe present meta-analysis compared intra-articular injections of hyaluronic acid (HA) versus plasma rich in growth factors (PRGF) in patients with knee osteoarthritis (OA). The outcome of interest was the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC).

methodsThis study was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-analyses: the 2020 PRISMA statement. All the head-to-head randomised controlled trials (RCT) comparing intra-articular HA injections versus PRGF were accessed and included in the present study. Only studies that clearly stated that injections were performed in patients with knee OA, irrespective of the severity of OA, were considered. Data concerning the WOMAC index were retrieved at baseline and last follow-up. The endpoint of interest was to investigate whether intra-articular HA injections are associated with WOMAC score improvement compared to PRGF injections at 4-6 months follow-up.

resultsData from 432 patients were collected and 76.3% (330 of 432) of the patients were women. The mean age of the patients was 58.2 ± 1.5 years and the mean body mass index (BMI) was 28.0 ± 0.5 kg/m

conclusionThe current level I evidence suggests that the use of PRGF might be associated with more favorable clinical outcomes than using HA.

Indexed as

Hyaluronic AcidIntercellular Signaling Peptides and ProteinsOsteoarthritis, KneeFemaleHumansInjections, Intra-ArticularMaleMiddle AgedRandomized Controlled Trials as TopicTreatment OutcomeViscosupplementsHyaluronic AcidIntercellular Signaling Peptides and ProteinsViscosupplementsArthritisDegenerationOrthobiologicsOrthopaedicViscosupplementation

Identifiers

What Socratic holds

Textmetadata
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 Socratic graph.