An exploratory study of clinical response assessment in systemic therapy for breast cancer by using photoacoustic imaging.

An exploratory study of clinical response assessment in systemic therapy for breast cancer by using photoacoustic imaging. - An exploratory study of clinical response assessment in systemic therapy for breast cancer by using photoacoustic imaging.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000023062

Enrollment

Registered

2016-09-13

Start date

2016-09-21

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast cancer

Interventions

Photoacoustic Imaging (Uses of the device are in three different days)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients who aged over 20 years and older at the time of informed consent. 2. Patients who are scheduled for or underwent systemic therapy for breast cancer. 3. Patients who have agreed to participate in this study from their own free will with document consents.

Exclusion criteria

Exclusion criteria: 1. Pregnant and lactating patients. 2. Patients who takes photosensitizer for photodynamic therapy. 3. Patients with a cardiac pacemaker. 4. Patients who are in poor general status. 5. Patients who are judged ineligible to enroll into this clinical study by the investigator or the sub-investigators due to communication difficulty, limitations in taking examination position and other reasons.

Design outcomes

Primary

Measure	Time frame
Photoacoustic imaging findings related to clinical response in systemic therapy for breast cancer.	—

Secondary

Measure	Time frame
Incidence of adverse events by using a photoacoustic imaging system. (Final monitoring is conducted within 90 days after intervention)	—

Countries

Japan

Contacts

Public ContactYoshiaki Matsumoto

Kyoto University Hospital Department of Breast Surgery

yoshiaki@kuhp.kyoto-u.ac.jp075-751-3660

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026