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Therapeutic potential of valproic acid for retinitis pigmentosa
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Other responses

  • Published on:
    Author Response Re: "Need to further investigate the efficacy of valproic acid therapy in retinal degenerative disorders" letter
    • Radouil Tzekov
    • Other Contributors:
      • , Christine Clemson, Mark Krebs, Jenna Checchi, Shalesh Kaushal

    Dear Editor,

    We appreciate the interest of Dr. Kahn and Dr. Philip [1] in our paper describing pilot results from a retrospective study in patients with retinitis pigmentosa (RP) treated with valproic acid (VPA) [2], and we would like to comment on the points raised by them.

    Length of treatment. As mentioned in our recent reply to another letter regarding the same article [3], the length of treatment...

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    Conflict of Interest:
    None declared.
  • Published on:
    Need to further investigate the efficacy of valproic acid therapy in retinal degenerative disorders
    • Sujoy Khan, Consultant Immunologist, Frimley Park Hospital NHS Foundation Trust, Frimley, Surrey, GU16 7UJ, UK
    • Other Contributors:
      • Swetha Philip, Consultant Ophthalmologist, Christian Medical College & Hospital, Vellore, India

    Dear Editor,

    We have a few concerns on the report by Clemson CM et al on the efficacy of valproic acid (VPA) in 7 patients with retinitis pigmentosa (RP) [1]. Was the time period of 6 months for using VPA the maximum time that was allowed by the institutional review boards? The degree to which the retina was affected by RP was not mentioned in each case (either in the form of photographic evidence or by electro...

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    Conflict of Interest:
    None declared.