在 Duaer 里检索临床试验

能拿到什么

Duaer 数据市场里的「临床试验」按公开试验登记检索。一次成功查询 1 额度。

从 Duaer 数据分类 选「临床试验」，或在 数据市场 复制技能。

在画布里检索

1. 打开节点创建器，点「Duaer 数据」，再选「临床试验」。
2. 至少填一项：Condition、Other words、Intervention、Location、Title、Outcome、Sponsor、Lead sponsor、NCT ID、Status、Phase。Sort 单独不算检索。
3. Sort 可选 Recently updated。Limit 默认 10，最大 20。点执行此步骤。

成功扣 1 额度。结果含 nctId、status、phase、conditions、interventions、sponsor、startDate 等。正式运行交付进 数据池。

用 API 调用

• GET https://api.duaer.com/v1/data/trials?...
• Authorization: Bearer <Duaer key>
• 字段可组合；至少填一个检索字段。sort 单独不算检索。

密钥见 Duaer 公开 API 的身份验证。下方是完整英文调用技能。

调用技能（英文）

与数据市场「复制技能」一致。

---
name: duaer-trials
description: >-
  Search clinical trials through Duaer. One successful search uses 1 Duaer credit.
---

# Duaer trials

Search clinical trials through Duaer with a Duaer key.

## Call

`GET https://api.duaer.com/v1/data/trials?condition=diabetes&intervention=insulin&status=RECRUITING&limit=10`

Header: `Authorization: Bearer <Duaer key>`

Use an account key or a model API key.

At least one search field is required. Sort alone is not a search. Fields combine.

- `condition` — disease or condition.
- `term` — other words.
- `intervention` — drug, device, or other intervention.
- `location` — where the study runs.
- `title` — words in the title.
- `outcome` — words in the outcome.
- `sponsor` — sponsor name.
- `lead` — lead sponsor name.
- `nctId` — study id.
- `status` — recruitment status, such as `RECRUITING` or `COMPLETED`.
- `phase` — `EARLY_PHASE1`, `PHASE1`, `PHASE2`, `PHASE3`, `PHASE4`, or `NA`.
- `sort` — `recent` orders by last update. Omit it for relevance.
- `limit` — optional. From 1 to 20. Default 10.

## Result

Each item has `source`, `title`, `url`, `summary`, `nctId`, `status`, `phase`, `conditions`, `interventions`, `sponsor`, and `startDate`.

## Credits

One successful search uses 1 credit.
An empty search, a failed search, a compound that matches nothing, or no remaining credits uses 0.
No remaining credits returns 402 and does not search.
A missing key returns 401.