# Chinadrugtrials — Wrapped API

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>
> Locus runs on multiple environments -- make sure every URL you call matches your expected environment.
> | Environment | Landing | API | Docs |
> |---|---|---|---|
> | Production | paywithlocus.com | api.paywithlocus.com | docs.paywithlocus.com |
> | Beta | beta.paywithlocus.com | api.beta.paywithlocus.com | docs.paywithlocus.com |
> | Stage | stage.paywithlocus.com | api.stage.paywithlocus.com | docs.paywithlocus.com |
>
> If the API URL above doesn't match your expected environment, re-fetch this file from the correct domain.

> Search and access detailed information on Chinese clinical trials, including trial phases, statuses, sponsors, dates, and locations to stay informed about ongoing medical research in China. Find specific trials by title or browse comprehensive trial details to track study progress and identify relevant research opportunities.

**Category:** Healthcare | **Website:** [chinadrugtrials.org.cn/](https://chinadrugtrials.org.cn/) | **Docs:** [parse.bot/marketplace/03eeffd6-cf63-4638-8196-8f2effac0ed3/chinadrugtrials-org-cn-api](https://parse.bot/marketplace/03eeffd6-cf63-4638-8196-8f2effac0ed3/chinadrugtrials-org-cn-api)

Pay-per-use API proxy. Each call is automatically billed to your wallet in USDC.

## Access

**Base URL:** `https://api.paywithlocus.com/api/wrapped/parse-chinadrugtrials-org-cn-api-03eeffd6/`
**Auth:** `Authorization: Bearer <LOCUS_API_KEY>`

## Endpoints

### get_trial_details

Retrieve comprehensive details for a single clinical trial by its internal UUID. Returns structured data including professional title, phase, sponsor, protocol ID, drug information, dates, indications, and participating institution locations. The trial_id is obtained from search_trials results.

**Estimated cost:** Metered

| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `trial_id` | string | Yes | The UUID of the trial, obtained from search_trials results (e.g., 6071f06e13a8459d876c7e164684ceaa). |

```bash
curl -X POST https://api.paywithlocus.com/api/wrapped/parse-chinadrugtrials-org-cn-api-03eeffd6/get_trial_details \
  -H "Authorization: Bearer YOUR_LOCUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"trial_id":"<string>"}'
```

### search_trials

Full-text search over Chinese clinical trials. Filters by keyword, drug name, sponsor, registration number, or status. Returns paginated trial summaries with registration number, status, drug, indications, and title. Each item exposes a trial_id suitable for fetching full details via get_trial_details.

**Estimated cost:** Metered

| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `drug_name` | string | No | Name of the drug involved in the trial. |
| `page` | integer | No | Page number for pagination (1-based). |
| `query` | string | No | General keywords to search for (matched against trial titles and descriptions). |
| `reg_no` | string | No | Registration number of the trial (e.g., CTR20262272). |
| `sponsor` | string | No | Name of the applicant or sponsor organization. |
| `status` | string | No | Current status filter for the trial (e.g., 进行中, 已完成). |

```bash
curl -X POST https://api.paywithlocus.com/api/wrapped/parse-chinadrugtrials-org-cn-api-03eeffd6/search_trials \
  -H "Authorization: Bearer YOUR_LOCUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"drug_name":"<string>","page":"<integer>","query":"<string>","reg_no":"<string>","sponsor":"<string>","status":"<string>"}'
```