Converse of object

• randomize: The study is a randomized, placebo -controlled trial with 108 patients over 12 sites.

• randomize: At this moment there is no single homeopathic remedy that has shown a specific effect in a double blind randomized placebo controlled trial.

• receive: These patients were then compared with ten patients who had received the placebo.

• control: Results from a 2 year double blind placebo controlled trial.

• give: In all four trials the control group was given placebo.

• match: One phase was supplemented with sodium tablets and the other with matched placebo.

Adjective modifier

• double-blind: In a double-blind, placebo controlled study, patients were treated with magnets applied to the skin.

• blind: Results from a 2 year double blind placebo controlled trial.

• matching: Patients randomized to receive adefovir 60mg daily or matching placebo.

• identical: The treatment was 300 mg of enteric-coated aspirin or identical placebo, one tablet daily.

• oral: One study used a sham nCPAP in the control arm, allowing blinding, and the others used an oral placebo.

• double: Results from a 2 year double blind placebo controlled trial.

Modifies a noun

• capsule: The extract, diazepam or placebo capsule was ingested 1 H prior to the recording session ( 17-19 h ).

• pill: Despite the longstanding claims made for arnica, the Exeter team found that it had no more effect than the placebo pill.

• tablet: For eight weeks, half the women received two tablets per day of the combined herbs while half received placebo tablets.

• suicide: Some of the placebo suicides took place while patients were withdrawing from an older drug.

• effect: Indeed, the placebo effect alone can work for some.

• group: In the placebo group, common cold symptoms took an average of eight days to subside.

Preposition: in

• trial: There were four withdrawals with paracetamol and one with placebo in these trials.

• patient: Seven double-blind trials compared garlic with placebo in 383 patients.