# Typical Versus Atypical Antipsychotics; Occupation of Striatal Receptors and the Appearance of Extrapyramidal Symptomatology, in Healthy Volunteers

> **NCT01259973** · PHASE1 · UNKNOWN · sponsor: **Hospital Clinic of Barcelona** · enrollment: 24 (estimated)

## Conditions studied

- Pharmacogenetics
- Healthy

## Interventions

- **DRUG:** Risperidone
- **DRUG:** Placebo
- **DRUG:** Haloperidol

## Key facts

- **NCT ID:** NCT01259973
- **Lead sponsor:** Hospital Clinic of Barcelona
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2011-02
- **Primary completion:** 2011-11
- **Final completion:** 2011-12
- **Target enrollment:** 24 (ESTIMATED)
- **Last updated:** 2011-04-18

## Collaborators

- [object Object]
- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01259973

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01259973, "Typical Versus Atypical Antipsychotics; Occupation of Striatal Receptors and the Appearance of Extrapyramidal Symptomatology, in Healthy Volunteers". Retrieved via AI Analytics 2026-09-21 from https://api.ai-analytics.org/clinical/NCT01259973. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
