1 Erratum to: Drugs (2016) 76:1093–1118 DOI 10.1007/s40265-016-0600-5

Page 1093, Key Points box,

The last point, which previously read:

Newer agents are in development but comparative efficacy and safety is as yet unknown.

Should read:

Pimavanserin was approved recently in the USA and newer agents are in development; however, comparative efficacy and safety are as yet unknown.

Page 1107, Table 5, entitled ‘Drugs used to treat PD psychosis’

The dosage for pimavanserin, which previously read:

40 mg/day

Should read:

34 mg/day (equivalent to pimavanserin tartrate 40 mg/day)

The side effects for pimavanserin, which previously read:

Sedation; postural hypotension

Should read:

Oedema; confusional state

Page 1108, Section 4.1.3, paragraph 3

Sentence 5, which previously read:

A phase II study in 46 patients reported good tolerability over 28 days with a small reduction in psychosis versus placebo using SAPS.

Should read:

A phase II study in 59 patients reported good tolerability over 28 days with a small reduction in psychosis versus placebo using SAPS.

Last sentence, which previously read:

Eleven percent of patients in the treatment group withdrew from the trial because of worsening psychotic symptoms.

Should read:

Six patients in the treatment group withdrew from the trial because of worsening psychotic symptoms.