ClinicalTrials.gg
Sign In

Recurrent respiratory papillomatosis clinical trials

The registry lists 31 studies for Recurrent respiratory papillomatosis across 6 countries. 9 are recruiting or about to start. 26 of them are mainly about Recurrent respiratory papillomatosis (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-13.

Get an email when these change. Save the Recurrent respiratory papillomatosis studies recruiting or about to start — once a week, free: studies that open, close, add sites or post results.

Watch these studies
See an example email

Example · made-up studies

Breast cancer · Recruiting: 2 came in, 3 changed

What changed in your saved searches, Oct 31 – Nov 6:

A study of drug A after surgery for early breast cancer

Came in · now Recruiting

Drug B with hormone therapy in advanced breast cancer

Changed

· Sites: 4 added, including Seoul and Busan

· Enrollment: 300 → 450 participants

Exercise during chemotherapy

Now Active, not recruiting

One email a week for all your saved searches. Stop any time.

Status

Completed
12
Recruiting
6
Withdrawn
4
Status unknown
4
Not yet recruiting
3
Active, not recruiting
1

Phase

Phase 2
13
Phase 1
7
Phase 3
4
Phase 4
3
Early Phase 1
1

Where

United States
20
Czechia
3
United Kingdom
1
Mexico
1
Hungary
1
France
1

Who runs them

National Cancer Institute (NCI) (3) · Massachusetts General Hospital (3) · Precigen, Inc (3) · Massachusetts Eye and Ear Infirmary (3) · University Hospital Ostrava (2) · Ruth Tachezy, PhD. (1) · Sanford Health (1) · University of Missouri-Columbia (1)

What is being tested here

Drugs under test in Recurrent respiratory papillomatosis studies, those with the most open studies first. Medicines only given beside them are not counted. How drugs are counted

DrugOpenPhase 3All
Zopapogene imadenovec314
Pembrolizumab102
Human Papillomavirus Recombinant Vaccine nonavalent101
Lenvatinib101
Cidofovir002
Bevacizumab002
Bintrafusp alfa001
Avelumab001
Celecoxib001
Verpasep caltespen001

Drug classes tested here Immune checkpoint inhibitors 1 open

Coming up

1phase 3 study under way
1study finishes main data collection within a year

Studies recruiting or running, from their records. “Main data collection” ends at the primary completion date, the sponsor’s own estimate, which often moves.

The study

Who these studies take

Of the 6 Recurrent respiratory papillomatosis studies recruiting now, 5 (83%) set no upper age limit and 0 (0%) stop at 75 or younger. 2 (33%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 0 (0%) take healthy volunteers.

Recruiting studies that take each age, of 6
AgeWomenMen
102 (33%)2 (33%)
186 (100%)6 (100%)
306 (100%)6 (100%)
406 (100%)6 (100%)
506 (100%)6 (100%)
656 (100%)6 (100%)
756 (100%)6 (100%)
856 (100%)6 (100%)

Across all 31 studies, recruiting or not: 26% stop at 75 or younger and 23% at 65; 48% take children; 0% are for women only and 0% for men only; 0% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

What changed recently

From the registry's own updates since Oct 15, 2026.

Newly registered1

Studies

Recruiting first, then most recently updated. Showing 31 of 31. search them.