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Anemia, Iron-Deficiency clinical trials

The registry lists 601 studies for Anemia, Iron-Deficiency across more than 10 countries. 96 are recruiting or about to start. 474 of them are mainly about Anemia, Iron-Deficiency (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-13.

ClinicalTrials.gov finds 971 studies for Anemia, Iron-Deficiency. How that becomes 599 here

This page counts the studies the registry files under Anemia, Iron-Deficiency, and those it files under no condition that list Anemia, Iron-Deficiencythemselves. Each study its search finds is placed by how the registry filed it and by the conditions it lists. ClinicalTrials.gov counts as of Nov 8, 2026. How condition pages count

  1. 971Found by its condition searchIt reads the conditions a study lists and their synonyms, and also titles and keywords.
  2. −15List Anemia, Iron-Deficiency as a condition, but the registry did not file them under itMost often written as “Iron Deficiency Anemia of Pregnancy” (7), “Iron Deficiency Anemia Treatment” (4), and “Iron Deficiency Anemia in Childbirth” (2). The registry filed them under other conditions only, most often Anemia (6) and Iron Deficiencies (5).
  3. −357Match it another way46 name it in the title, 3 in a keyword, and 308 by a synonym or other text the search reads.
  4. 599The count on this page17 of them list Anemia, Iron-Deficiency in their own words; the registry filed them under no condition.

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Status

Completed
365
Status unknown
73
Recruiting
55
Not yet recruiting
35
Terminated
33
Withdrawn
19

Phase

Phase 4
106
Phase 3
94
Phase 2
46
Phase 1
28
Early Phase 1
4

Where

United States
134
Switzerland
40
Egypt
34
United Kingdom
30
Germany
25
China
23

What is being tested here

Drugs under test in Anemia, Iron-Deficiency studies, those with the most open studies first. Medicines only given beside them are not counted. How drugs are counted

Coming up

30studies finish main data collection within a year5 of them phase 3

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 10 nearest, phase 3 first

Who these studies take

Of the 54 Anemia, Iron-Deficiency studies recruiting now, 19 (35%) set no upper age limit and 31 (57%) stop at 75 or younger. 15 (28%) take children under 18. 22 (41%) are for women only and 0 (0%) for men only; 17 (31%) take healthy volunteers.

Recruiting studies that take each age, of 54
AgeWomenMen
107 (13%)6 (11%)
1841 (76%)22 (41%)
3041 (76%)21 (39%)
4040 (74%)21 (39%)
5031 (57%)21 (39%)
6526 (48%)19 (35%)
7523 (43%)18 (33%)
8521 (39%)16 (30%)

Across all 600 studies, recruiting or not: 56% stop at 75 or younger and 52% at 65; 28% take children; 33% are for women only and <1% for men only; 35% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

How long Anemia, Iron-Deficiency studies take

Of 51 phase 4 interventional studies under Anemia, Iron-Deficiency, half reached primary completion within 22 months of starting, counting those still running.

Start to primary completionEvery sponsorIndustryNon-industry
Phase 234 mo20–62 · 16 studies——
Phase 323 mo14–41 · 48 studies——
Phase 422 mo15–35 · 51 studies—20 mo14–35 · 43 studies
Interventional, no phase11 mo3–21 · 141 studies—11 mo3–21 · 132 studies
Observational26 mo11–35 · 54 studies—24 mo11–38 · 49 studies

Each figure is the month by which half the studies had reached primary completion, with the range in which the middle half did. Studies still running count until their last registry update; studies that stopped early are left out. Phase 1 includes early phase 1; observational means prospective or not stated, as retrospective and cross-sectional studies date a window of data rather than a study. How these figures are worked out

What changed recently

From the registry's own updates since Oct 14, 2026.

Studies

Recruiting first, then most recently updated. Showing 50 of 601. Browse all 601 → or search them.