I'm using the Drugs@FDA API to get data on submissions (e.g. for when labeling changes) for a list of drugs. I've noticed that sometimes I can get a "Submissions" table beneath "Results", but not always.
For example, I can see the submissions for HUMIRA https://api.fda.gov/drug/drugsfda.json?search=products.brand_name:%22HUMIRA%22
But cannot see submissions for ALINIA https://api.fda.gov/drug/drugsfda.json?search=products.brand_name:%22ALINIA%22
Checking against a direct search of Drugs@FDA, it's not as if ALINIA doesn't have any supplemental materials connected to its NDA. What explains why I don't consistently see the Submissions table? Is this the same problem as described here? New Indications via OpenFDA API