Evidence map›Paper›PMID 30156440›Full record

Trial reportHuman gene therapy. Clinical development2018

Long-Term Follow-Up of a Phase I/II Study of ProSavin, a Lentiviral Vector Gene Therapy for Parkinson's Disease.

Stéphane Palfi, Jean Marc Gurruchaga, Hélène Lepetit, Katy Howard, G Scott Ralph, Sarah Mason, Gaëtane Gouello, Philippe Domenech, Philip C Buttery, Philippe Hantraye and 3 more

Abstract readClinical Trial, Phase IClinical Trial, Phase II
In one paragraph

Trial report in Human gene therapy. Clinical development, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 69 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
69citing papers in PubMed, 1 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

69 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Review
  4. Article
  5. Article
  6. Article
  7. Deep brain stimulation is well tolerated and effective following ProSavin® gene therapy for Parkinson's disease.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2025
    Article
  8. Article
  9. Review
  10. Recent developments in translational imaging of in vivo gene therapy outcomes.Molecular therapy : the journal of the American Society of Gene Therapy · 2025
    Review
  11. Recent developments in gene therapy for Parkinson's disease.Molecular therapy : the journal of the American Society of Gene Therapy · 2025
    Review
  12. Review
  13. Review
  14. Review
  15. Review
  16. Review
  17. Review
  18. Article
  19. Neurosurgical gene therapy for central nervous system diseases.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2024
    Review
  20. Review

9 more citing papers are in PubMed but not listed here.

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

13 authors.

Stéphane Palfi1 AP-HP, Groupe Hospitalier Henri-Mondor , DHU PePsy, Neurochirurgie, Psychiatrie Créteil, France .
Jean Marc Gurruchaga1 AP-HP, Groupe Hospitalier Henri-Mondor , DHU PePsy, Neurochirurgie, Psychiatrie Créteil, France .
Hélène Lepetit1 AP-HP, Groupe Hospitalier Henri-Mondor , DHU PePsy, Neurochirurgie, Psychiatrie Créteil, France .
Katy Howard3 Oxford BioMedica Ltd. , Oxford, United Kingdom .
G Scott Ralph3 Oxford BioMedica Ltd. , Oxford, United Kingdom .
Sarah Mason4 John van Geest Centre for Brain Repair, Department of Clinical Neuroscience, Addenbrooke's Hospital , Cambridge, United Kingdom .
Gaëtane Gouello1 AP-HP, Groupe Hospitalier Henri-Mondor , DHU PePsy, Neurochirurgie, Psychiatrie Créteil, France .
Philippe Domenech1 AP-HP, Groupe Hospitalier Henri-Mondor , DHU PePsy, Neurochirurgie, Psychiatrie Créteil, France .
Philip C Buttery4 John van Geest Centre for Brain Repair, Department of Clinical Neuroscience, Addenbrooke's Hospital , Cambridge, United Kingdom .
Philippe Hantraye5 CEA, DSV FBM, MIRCen and CNRS URA2210, Fontenay-aux-Roses , France .
Nicola J Tuckwell3 Oxford BioMedica Ltd. , Oxford, United Kingdom .
Roger A Barker4 John van Geest Centre for Brain Repair, Department of Clinical Neuroscience, Addenbrooke's Hospital , Cambridge, United Kingdom .
Kyriacos A Mitrophanous3 Oxford BioMedica Ltd. , Oxford, United Kingdom .

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Parkinson's disease is typically treated with oral dopamine replacement therapies. However, long-term use is complicated by motor fluctuations from intermittent stimulation of dopamine receptors and off-target effects. ProSavin, a lentiviral vector based gene therapy that delivers local and continuous dopamine, was previously shown to be well tolerated in a Phase I/II first-in-human study, with significant improvements in motor behavior from baseline at 1 year. Here, patients with Parkinson's disease from the open-label trial were followed up in the long term to assess the safety and efficacy of ProSavin after bilateral injection into the putamen. Fifteen patients who were previously treated with ProSavin have been followed for up to 5 years, with some having been seen for 8 years. Eight patients received deep brain stimulation at different time points, and their subsequent assessments continued to assess safety. Ninety-six drug-related adverse events were reported (87 mild, 6 moderate, 3 severe) of which more than half occurred in the first year. The most common drug-related events were dyskinesias (33 events, 11 patients) and on-off phenomena (22 events, 11 patients). A significant improvement in the defined "off" Unified Parkinson's Disease Rating Scale part III motor scores, compared to baseline, was seen at 2 years (mean score 29 · 2 vs. 38 · 4, n = 14, p < 0.05) and at 4 years in 8/15 patients. ProSavin continued to be safe and well tolerated in patients with Parkinson's disease. Moderate improvements in motor behavior over baseline continued to be reported in the majority of patients who could still be evaluated up to 5 years of follow-up.

Indexed as

AdultAgedChildChild, PreschoolDrug-Related Side Effects and Adverse ReactionsFemaleFollow-Up StudiesGenetic TherapyGenetic VectorsHumansLentivirusMaleMiddle AgedParkinson DiseaseTreatment Outcomedopaminegene therapylentiviral vectorParkinson's disease

Identifiers

PMID30156440
PMCPMC6157351

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.