P

PATCH (PR09)

A randomised controlled trial of transcutaneous oestrogen patches versus LHRH agonists in prostate cancer

PATCH I & II

Prophylactic Antibiotics for the Treatment of Cellulitis at Home

PCI

A randomised trial of prophylactic cranial irradiation in patients with limited disease SCLC and a complete response after induction therapy

PediCAP

Impact of oral step-down to amoxicillin or co-amoxiclav and of duration of antibiotic therapy on effectiveness, safety and selection of antibiotic resistance in severe childhood community-acquired pneumonia (CAP): a randomised controlled trial

PedPolyB01

Can the dose of the polymyxin B antibiotic be optimised to be used in babies, children and adolescents?

PENPACT 1

A phase II/III randomised, open-label study of combination antiretroviral regimens and treatment-switching strategies in HIV-1 infected antiretroviral naïve children >30 days and <18 years of age.

PENTA 11

Treatment interruption in children with chronic HIV-infection

PENTA 15

Plasma pharmacokinetic study of once versus twice daily abacavir as part of combination antiretroviral therapy in children with human immunodeficiency virus-1 infection aged 3 months to <36 months

PERA / PENTA 8

A randomised trial to evaluate the usefulness of resistance testing in the clinical management of children with HIV infection.

PIVOT

Protease Inhibitor monotherapy Versus Ongoing Triple-therapy in the long-term management of HIV infection

PPIP

Platelet Process Improvement Project - Comparison of platelets stored for 2-5 days versus platelets stored for 6-7 days in preventing and treating haemorrhage in thrombocytopenic patients – a randomised controlled trial

PR04

A randomised trial of oral sodium clodronate versus a matching placebo in patients with locally advanced prostatic adenocarcinoma

PR05

A randomised trial of oral sodium clodronate versus a matching placebo in patients with metastatic prostate adenocarcinoma.

PR06

Radical prostatectomy vs radical radiotherapy vs no immediate treatment for localised prostate cancer: a randomised controlled trial

PR07

A randomised trial of hormone therapy plus radical radiotherapy versus hormone therapy alone in non-metastatic prostate cancer

PREDICT

A randomised controlled trial of continuous positive airway pressure treatment in older people with obstructive sleep apnoea/hypopnoea syndrome

PrEPVacc

Do the prophylactic vaccines used in this study prevent the acquisition of HIV? Is Descovy PrEP as good as Truvada PrEP at preventing HIV in heterosexuals?

Prion disease: Systematic review

Systematic review of therapeutic interventions in human prion disease

PRION-1

Partially randomised trial of quinacrine in human prion disease

PRISM

Trial of Prion-filtered vs Standard Red cells in Surgical and Multi-transfused Patients

PROGRAMS

A multi-centre randomised controlled trial of prophylactic granulocyte-macrophage colony-stimulating factor (GM-CSF) to reduce sepsis in pre-term infants

PROMIS

Prostate MRI Imaging Study - Evaluation of multi-parametric magnetic imaging in the diagnosis and characterisation of prostate cancer

PROUD

PRe-exposure Option for reducing HIV in the UK: an open-label randomisation to immediate or Deferred daily Truvada for HIV negative gay men